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Release Notes - HBase - Version 2.0.0 - HTML format

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[HBASE-4624] - Remove and convert @deprecated RemoteExceptionHandler.decodeRemoteException calls
[HBASE-4625] - Convert @deprecated HBaseTestCase tests JUnit4 style tests
[HBASE-7612] - [JDK8] Replace use of high-scale-lib counters with intrinsic facilities
[HBASE-7767] - Get rid of ZKTable, and table enable/disable state in ZK
[HBASE-7847] - Use zookeeper multi to clear znodes
[HBASE-8139] - Allow job names to be overridden
[HBASE-8410] - Basic quota support for namespaces
[HBASE-8593] - Type support in ImportTSV tool
[HBASE-10092] - Move to slf4j
[HBASE-10378] - Divide HLog interface into User and Implementor specific interfaces
[HBASE-10588] - Remove deprecated public facing classes/methods related to KeyValue
[HBASE-10674] - HBCK should be updated to do replica related checks
[HBASE-10800] - Use CellComparator instead of KVComparator
[HBASE-10942] - support parallel request cancellation for multi-get
[HBASE-10944] - Remove all kv.getBuffer() and kv.getRow() references existing in the code
[HBASE-11179] - API parity between mapred and mapreduce
[HBASE-11261] - Handle splitting/merging of regions that have region_replication greater than one
[HBASE-11392] - add/remove peer requests should be routed through master
[HBASE-11393] - Replication TableCfs should be a PB object rather than a string
[HBASE-11470] - Move Server interface to hbase-server
[HBASE-11472] - Remove ZKTableStateClientSideReader class
[HBASE-11533] - AsciiDoctor POC
[HBASE-11567] - Write bulk load COMMIT events to WAL
[HBASE-11568] - Async WAL replication for region replicas
[HBASE-11569] - Flush / Compaction handling from secondary region replicas
[HBASE-11571] - Bulk load handling from secondary region replicas
[HBASE-11574] - hbase:meta's regions can be replicated
[HBASE-11580] - Failover handling for secondary region replicas
[HBASE-11598] - Add simple rpc throttling
[HBASE-11607] - Document HBase metrics
[HBASE-11643] - Read and write MOB in HBase
[HBASE-11644] - External MOB compaction tools
[HBASE-11645] - Snapshot for MOB
[HBASE-11646] - Handle the MOB in compaction
[HBASE-11647] - MOB integration testing
[HBASE-11683] - Metrics for MOB
[HBASE-11779] - Document the new requirement to set JAVA_HOME before starting HBase
[HBASE-11786] - Document web UI for tracking time spent in coprocessors
[HBASE-11842] - Integration test for async wal replication to secondary regions
[HBASE-11861] - Native MOB Compaction mechanisms.
[HBASE-11901] - Improve the value size of the reference cell in mob column
[HBASE-11903] - Directly invoking split & merge of replica regions should be disallowed
[HBASE-11908] - Region replicas should be added to the meta table at the time of table creation
[HBASE-11910] - Document Premptive Call Me Maybe HBase findings in the online manual
[HBASE-11911] - Break up tests into more fine grained categories
[HBASE-11912] - Catch some bad practices at compile time with error-prone
[HBASE-11975] - Remove the explicit list of maven repositories in pom.xml
[HBASE-11986] - Document MOB in Ref Guide
[HBASE-12000] - isMob and mobThreshold do not follow column descriptor property naming conventions
[HBASE-12012] - Improve cancellation for the scan RPCs
[HBASE-12015] - Not cleaning Mob data when Mob CF is removed from table
[HBASE-12048] - Remove deprecated APIs from Filter
[HBASE-12066] - Avoid major compaction in TestMobSweeper
[HBASE-12080] - Shorten the run time of integration test by default when using mvn failsafe:integration-test
[HBASE-12084] - Remove deprecated APIs from Result
[HBASE-12085] - mob status should print human readable numbers.
[HBASE-12093] - Support the mob attributes in hbase shell when create/alter table
[HBASE-12094] - Clean the code after adding IS_MOB and MOB_THRESHOLD to column family
[HBASE-12111] - Remove deprecated APIs from Mutation(s)
[HBASE-12148] - Remove TimeRangeTracker as point of contention when many threads writing a Store
[HBASE-12260] - MasterServices needs a short-back-and-sides; pare-back exposure of internals and IA.Private classes
[HBASE-12295] - Prevent block eviction under us if reads are in progress from the BBs
[HBASE-12296] - Filters should work with ByteBufferedCell
[HBASE-12331] - Shorten the mob snapshot unit tests
[HBASE-12332] - [mob] improve how we resolve mobfiles in reads
[HBASE-12343] - Document recommended configuration for 0.98 from HBASE-11964
[HBASE-12345] - Unsafe based ByteBuffer Comparator
[HBASE-12374] - Change DBEs to work with new BB based cell
[HBASE-12382] - Restore incremental compilation
[HBASE-12391] - Correct a typo in the mob metrics
[HBASE-12392] - Incorrect implementation of CompactionRequest.isRetainDeleteMarkers
[HBASE-12425] - Document the phases of the split transaction
[HBASE-12486] - Move the mob table name tag to the 2nd one
[HBASE-12487] - Explicitly flush the file name in sweep job
[HBASE-12489] - Incorrect 'mobFileCacheMissCount' calculated in the mob metrics
[HBASE-12523] - Update checkstyle plugin rules to match our use
[HBASE-12528] - Document the newly introduced params for providing principal and keytabs.
[HBASE-12543] - Incorrect log info in the store compaction of mob
[HBASE-12561] - Replicas of regions can be cached from different instances of the table in MetaCache
[HBASE-12562] - Handling memory pressure for secondary region replicas
[HBASE-12591] - Ignore the count of mob compaction metrics when there is issue
[HBASE-12593] - Tags to work with ByteBuffer
[HBASE-12646] - SnapshotInfo tool does not find mob data in snapshots
[HBASE-12648] - Document per cell TTLs
[HBASE-12669] - Have compaction scanner save info about delete markers
[HBASE-12670] - Add unit tests that exercise the added hfilelink link mob paths
[HBASE-12673] - Add a UT to read mob file when the mob hfile moving from the mob dir to the archive dir
[HBASE-12691] - sweep job needs to exit non-zero if job fails for any reason.
[HBASE-12695] - JDK 1.8 compilation broken
[HBASE-12698] - Add mob cell count to the metadata of each mob file
[HBASE-12708] - Document newly introduced params for using Thrift-over-HTTPS.
[HBASE-12714] - RegionReplicaReplicationEndpoint should not set the RPC Codec
[HBASE-12738] - Chunk Ref Guide into file-per-chapter
[HBASE-12748] - RegionCoprocessorHost.execOperation creates too many iterator objects
[HBASE-12758] - treat mob region as any other region when generating rs manifest.
[HBASE-12820] - Use table lock instead of MobZookeeper
[HBASE-12848] - Utilize Flash storage for WAL
[HBASE-12936] - Quota support for namespace should take region merge into account
[HBASE-13006] - Document visibility label support for groups
[HBASE-13012] - Add shell commands to trigger the mob file compactor
[HBASE-13013] - Add read lock to ExpiredMobFileCleanerChore
[HBASE-13067] - Fix caching of stubs to allow IP address changes of restarted remote servers
[HBASE-13095] - Document how to retrieve replication stats from HBase Shell
[HBASE-13107] - Refactor MOB Snapshot logic to reduce code duplication.
[HBASE-13108] - Reduce Connection creations in TestAcidGuarantees
[HBASE-13117] - improve mob sweeper javadoc
[HBASE-13121] - Async wal replication for region replicas and dist log replay does not work together
[HBASE-13130] - Add timeouts on TestMasterObserver, a frequent zombie show
[HBASE-13151] - IllegalArgumentException in compaction when table has a namespace
[HBASE-13152] - NPE in ExpiredMobFileCleanerChore
[HBASE-13154] - Add support for mob in TestAcidGuarantees and IntegrationTestAcidGuarantees
[HBASE-13157] - Add mob compaction actions and monkeys to Chaos Monkey
[HBASE-13164] - Update TestUsersOperationsWithSecureHadoop to use MiniKdc
[HBASE-13169] - ModifyTable increasing the region replica count should also auto-setup RRRE
[HBASE-13184] - Document turning off memstore for region replicas
[HBASE-13198] - Remove HConnectionManager
[HBASE-13201] - Remove HTablePool from thrift-server
[HBASE-13202] - Procedure v2 - core framework
[HBASE-13203] - Procedure v2 - master create/delete table
[HBASE-13204] - Procedure v2 - client create/delete table sync
[HBASE-13209] - Procedure V2 - master Add/Modify/Delete Column Family
[HBASE-13210] - Procedure V2 - master Modify table
[HBASE-13211] - Procedure V2 - master Enable/Disable table
[HBASE-13212] - Procedure V2 - master Create/Modify/Delete namespace
[HBASE-13213] - Split out locality metrics among primary and secondary region
[HBASE-13214] - Remove deprecated and unused methods from HTable class
[HBASE-13226] - Document enable_table_replication and disable_table_replication shell commands
[HBASE-13230] - [mob] reads hang when trying to read rows with large mobs (>10MB)
[HBASE-13244] - Test delegation token generation with kerberos enabled
[HBASE-13248] - Make HConnectionImplementation top-level class.
[HBASE-13252] - Get rid of managed connections and connection caching
[HBASE-13258] - Promote TestHRegion to LargeTests
[HBASE-13277] - add mob_threshold option to load test tool
[HBASE-13290] - Procedure v2 - client enable/disable table sync
[HBASE-13302] - fix new javadoc warns introduced by mob.
[HBASE-13303] - Fix size calculation of results on the region server
[HBASE-13307] - Making methods under ScannerV2#next inlineable, faster
[HBASE-13313] - Skip the disabled table in mob compaction chore and MasterRpcServices
[HBASE-13327] - Use Admin in ConnectionCache
[HBASE-13332] - Fix the usage of doAs/runAs in Visibility Controller tests.
[HBASE-13335] - Update ClientSmallScanner and ClientSmallReversedScanner
[HBASE-13387] - Add ByteBufferedCell an extension to Cell
[HBASE-13393] - Optimize memstore flushing to avoid writing tag information to hfiles when no tags are present.
[HBASE-13395] - Remove HTableInterface
[HBASE-13398] - Document HBase Quota
[HBASE-13415] - Procedure V2 - Use nonces for double submits from client
[HBASE-13421] - Reduce the number of object creations introduced by HBASE-11544 in scan RPC hot code paths
[HBASE-13429] - Remove deprecated seek/reseek methods from HFileScanner
[HBASE-13447] - Bypass logic in TimeRange.compare
[HBASE-13448] - New Cell implementation with cached component offsets/lengths
[HBASE-13450] - Purge RawBytescomparator from the writers and readers for HBASE-10800
[HBASE-13451] - Make the HFileBlockIndex blockKeys to Cells so that it could be easy to use in the CellComparators
[HBASE-13455] - Procedure V2 - master truncate table
[HBASE-13464] - Remove deprecations for 2.0.0 - Part 1
[HBASE-13466] - Document deprecations in 1.x - Part 1
[HBASE-13470] - High level Integration test for master DDL operations
[HBASE-13476] - Procedure V2 - Add Replay Order logic for child procedures
[HBASE-13478] - Document the change of default master ports being used .
[HBASE-13481] - Master should respect master (old) DNS/bind related configurations
[HBASE-13496] - Make Bytes$LexicographicalComparerHolder$UnsafeComparer::compareTo inlineable
[HBASE-13497] - Remove MVCC stamps from HFile when that is safe
[HBASE-13498] - Add more docs and a basic check for storage policy handling
[HBASE-13501] - Deprecate/Remove getComparator() in HRegionInfo.
[HBASE-13502] - Deprecate/remove getRowComparator() in TableName
[HBASE-13510] - Purge ByteBloomFilter
[HBASE-13514] - Fix test failures in TestScannerHeartbeatMessages caused by incorrect setting of hbase.rpc.timeout
[HBASE-13515] - Handle FileNotFoundException in region replica replay for flush/compaction events
[HBASE-13529] - Procedure v2 - WAL Improvements
[HBASE-13531] - Flakey failures of TestAcidGuarantees#testMobScanAtomicity
[HBASE-13536] - Cleanup the handlers that are no longer being used.
[HBASE-13537] - Procedure V2 - Change the admin interface for async operations to return Future (incompatible with branch-1.x)
[HBASE-13538] - Procedure v2 - client add/delete/modify column family sync (incompatible with branch-1.x)
[HBASE-13551] - Procedure V2 - Procedure classes should not be InterfaceAudience.Public
[HBASE-13563] - Add missing table owner to AC tests.
[HBASE-13569] - correct errors reported with mvn site
[HBASE-13571] - Procedure v2 - client modify table sync (incompatible with branch-1.x)
[HBASE-13572] - Procedure v2 - client truncate table sync (incompatible with branch-1.x)
[HBASE-13579] - Avoid isCellTTLExpired() for NO-TAG cases
[HBASE-13593] - Quota support for namespace should take snapshot restore and clone into account
[HBASE-13614] - Avoid temp KeyOnlyKeyValue temp objects creations in read hot path
[HBASE-13616] - Move ServerShutdownHandler to Pv2
[HBASE-13620] - Bring back the removed VisibilityClient methods and mark them as deprecated.
[HBASE-13636] - Remove deprecation for HBASE-4072 (Reading of zoo.cfg)
[HBASE-13641] - Deperecate Filter#filterRowKey(byte[] buffer, int offset, int length) in favor of filterRowKey(Cell firstRowCell)
[HBASE-13642] - Deprecate RegionObserver#postScannerFilterRow CP hook with byte[],int,int args in favor of taking Cell arg
[HBASE-13658] - Improve the test run time for TestAccessController class
[HBASE-13679] - Change ColumnTracker and SQM to deal with Cell instead of byte[], int, int
[HBASE-13720] - Mob files are not encrypting in mob compaction and Sweeper
[HBASE-13728] - Remove use of Hadoop's GenericOptionsParser
[HBASE-13736] - Add delay for the first execution of ExpiredMobFileCleanerChore and MobFileCompactorChore
[HBASE-13739] - Remove KeyValueUtil.ensureKeyValue(cell) from MOB code.
[HBASE-13754] - Allow non KeyValue Cell types also to oswrite
[HBASE-13759] - Improve procedure yielding
[HBASE-13762] - Use the same HFileContext with store files in mob files
[HBASE-13763] - Handle the rename, annotation and typo stuff in MOB
[HBASE-13790] - Remove the DeleteTableHandler
[HBASE-13791] - Remove the DeleteTableHandler
[HBASE-13803] - Disable the MobCompactionChore when the interval is not larger than 0
[HBASE-13804] - Revert the changes in pom.xml
[HBASE-13805] - Use LimitInputStream in hbase-common instead of ProtobufUtil.LimitedInputStream
[HBASE-13806] - Check the mob files when there are mob-enabled columns in HFileCorruptionChecker
[HBASE-13817] - ByteBufferOuputStream - add writeInt support
[HBASE-13819] - Make RPC layer CellBlock buffer a DirectByteBuffer
[HBASE-13823] - Procedure V2: unnecessaery operations on AssignmentManager#recoverTableInDisablingState() and recoverTableInEnablingState()
[HBASE-13827] - Delayed scanner close in KeyValueHeap and StoreScanner
[HBASE-13832] - Procedure V2: master fail to start due to WALProcedureStore sync failures when HDFS data nodes count is low
[HBASE-13836] - Do not reset the mvcc for bulk loaded mob reference cells in reading
[HBASE-13855] - Race in multi threaded PartitionedMobCompactor causes NPE
[HBASE-13856] - Wrong mob metrics names in TestRegionServerMetrics
[HBASE-13871] - Change RegionScannerImpl to deal with Cell instead of byte[], int, int
[HBASE-13886] - Return empty value when the mob file is corrupt instead of throwing exceptions
[HBASE-13898] - correct additional javadoc failures under java 8
[HBASE-13899] - Jacoco instrumentation fails under jdk8
[HBASE-13910] - add branch-1.2 to precommit branches
[HBASE-13911] - add 1.2 to prereq tables in ref guide
[HBASE-13916] - Create MultiByteBuffer an aggregation of ByteBuffers
[HBASE-13920] - Exclude Java files generated from protobuf from javadoc
[HBASE-13922] - Do not reset mvcc in compactions for mob-enabled column
[HBASE-13926] - Close the scanner only after Call#setResponse
[HBASE-13932] - Add mob integrity check in HFilePrettyPrinter
[HBASE-13939] - Make HFileReaderImpl.getFirstKeyInBlock() to return a Cell
[HBASE-13950] - Add a NoopProcedureStore for testing
[HBASE-13954] - Remove HTableInterface#getRowOrBefore related server side code
[HBASE-13963] - avoid leaking jdk.tools
[HBASE-13967] - add jdk profiles for jdk.tools dependency
[HBASE-13968] - Remove deprecated methods from BufferedMutator class
[HBASE-13973] - Update documentation for 10070 Phase 2 changes
[HBASE-13975] - add 1.2 RM to docs
[HBASE-13977] - Convert getKey and related APIs to Cell
[HBASE-13983] - Doc how the oddball HTable methods getStartKey, getEndKey, etc. will be removed in 2.0.0
[HBASE-13990] - clean up remaining errors for maven site goal
[HBASE-13993] - WALProcedureStore fencing is not effective if new WAL rolls
[HBASE-13998] - Remove CellComparator#compareRows(byte[] left, int loffset, int llength, byte[] right, int roffset, int rlength)
[HBASE-14003] - work around jdk8 spec bug in WALPerfEval
[HBASE-14013] - Retry when RegionServerNotYetRunningException rather than go ahead with assign so for sure we don't skip WAL replay
[HBASE-14017] - Procedure v2 - MasterProcedureQueue fix concurrency issue on table queue deletion
[HBASE-14020] - Unsafe based optimized write in ByteBufferOutputStream
[HBASE-14051] - Undo workarounds in IntegrationTestDDLMasterFailover for client double submit
[HBASE-14061] - Support CF-level Storage Policy
[HBASE-14063] - Use BufferBackedCell in read path after HBASE-12213 and HBASE-12295
[HBASE-14086] - remove unused bundled dependencies
[HBASE-14087] - ensure correct ASF policy compliant headers on source/docs
[HBASE-14102] - Add thank you to our thanks page for vectorportal.com
[HBASE-14104] - Add vectorportal.com to NOTICES.txt as src of our logo
[HBASE-14105] - Add shell tests for Snapshot
[HBASE-14107] - Procedure V2 - Administrative Task: Provide an API to List all procedures
[HBASE-14108] - Procedure V2 - Administrative Task: provide an API to abort a procedure
[HBASE-14116] - Change ByteBuff.getXXXStrictlyForward to relative position based reads
[HBASE-14120] - ByteBufferUtils#compareTo small optimization
[HBASE-14144] - Bloomfilter path to work with Byte buffered cells
[HBASE-14147] - REST Support for Namespaces
[HBASE-14176] - Add missing headers to META-INF files
[HBASE-14186] - Read mvcc vlong optimization
[HBASE-14188] - Read path optimizations after HBASE-11425 profiling
[HBASE-14202] - Reduce garbage we create
[HBASE-14212] - Add IT test for procedure-v2-based namespace DDL
[HBASE-14221] - Reduce the number of time row comparison is done in a Scan
[HBASE-14239] - Branch-1.2 AM can get stuck when meta moves
[HBASE-14274] - Deadlock in region metrics on shutdown: MetricsRegionSourceImpl vs MetricsRegionAggregateSourceImpl
[HBASE-14278] - Fix NPE that is showing up since HBASE-14274 went in
[HBASE-14322] - Master still not using more than it's priority threads
[HBASE-14368] - New TestWALLockup broken by addendum added to parent issue
[HBASE-14378] - Get TestAccessController* passing again on branch-1
[HBASE-14395] - Short circuit last byte check in CellUtil#matchingXXX methods for ByteBufferedCells
[HBASE-14398] - Create the fake keys required in the scan path to avoid copy to byte[]
[HBASE-14401] - Stamp failed appends with sequenceid too.... Cleans up latches
[HBASE-14421] - TestFastFail* are flakey
[HBASE-14423] - TestStochasticBalancerJmxMetrics.testJmxMetrics_PerTableMode:183 NullPointer
[HBASE-14428] - Upgrade our surefire-plugin from 2.18 to 2.18.1
[HBASE-14430] - TestHttpServerLifecycle#testStartedServerIsAlive times out
[HBASE-14432] - Procedure V2 - enforce ACL on procedure admin tasks
[HBASE-14433] - Set down the client executor core thread count from 256 in tests
[HBASE-14435] - thrift tests don't have test-specific hbase-site.xml so 'BindException: Address already in use' because info port is not turned off
[HBASE-14447] - Spark tests failing: bind exception when putting up info server
[HBASE-14464] - Removed unused fs code
[HBASE-14472] - TestHCM and TestRegionServerNoMaster fixes
[HBASE-14480] - Small optimization in SingleByteBuff
[HBASE-14484] - Follow-on from HBASE-14421, just disable TestFastFail* until someone digs in and fixes it
[HBASE-14487] - Procedure V2 - shell command to list all procedures
[HBASE-14488] - Procedure V2 - shell command to abort a procedure
[HBASE-14495] - TestHRegion#testFlushCacheWhileScanning goes zombie
[HBASE-14507] - Disable TestDistributedLogSplitting#testWorkerAbort Its flakey with tenuous chance of success
[HBASE-14513] - TestBucketCache runs obnoxious 1k threads in a unit test
[HBASE-14519] - Purge TestFavoredNodeAssignmentHelper, a test for an abandoned feature that can hang
[HBASE-14535] - Integration test for rpc connection concurrency / deadlock testing
[HBASE-14539] - Slight improvement of StoreScanner.optimize
[HBASE-14543] - Have findHangingTests.py dump more info
[HBASE-14551] - Procedure v2 - Reimplement split
[HBASE-14552] - Procedure V2: Reimplement DispatchMergingRegionHandler
[HBASE-14558] - Document ChaosMonkey enhancements from HBASE-14261
[HBASE-14559] - branch-1 test tweeks; disable assert explicit region lands post-restart and up a few handlers
[HBASE-14561] - Disable zombie TestReplicationShell
[HBASE-14563] - Disable zombie TestHFileOutputFormat2
[HBASE-14567] - Tuneup hanging test TestMobCompactor and TestMobSweeper
[HBASE-14570] - Split TestHBaseFsck in order to help with hanging tests
[HBASE-14571] - Purge TestProcessBasedCluster; it does nothing and then fails
[HBASE-14572] - TestImportExport#testImport94Table can't find its src data file
[HBASE-14575] - Relax region read lock for compactions
[HBASE-14585] - Clean up TestSnapshotCloneIndependence
[HBASE-14589] - Looking for the surefire-killer; builds being killed...ExecutionException: java.lang.RuntimeException: The forked VM terminated without properly saying goodbye. VM crash or System.exit called?
[HBASE-14590] - Shorten ByteBufferedCell#getXXXPositionInByteBuffer method name
[HBASE-14595] - For Wiki contents that are also in the Ref Guide, replace content with a URL
[HBASE-14596] - TestCellACLs failing... on1.2 builds
[HBASE-14600] - Make #testWalRollOnLowReplication looser still
[HBASE-14601] - Create list of Wiki contents missing from the Ref Guide
[HBASE-14602] - Convert HBasePoweredBy Wiki page to a hbase.apache.org page
[HBASE-14605] - Split fails due to 'No valid credentials' error when SecureBulkLoadEndpoint#start tries to access hdfs
[HBASE-14607] - Convert SupportingProjects wiki page to a site page
[HBASE-14614] - Procedure v2: Core Assignment Manager
[HBASE-14615] - Procedure V2: Implement single region assignment procedure from Master-side
[HBASE-14616] - Procedure v2: Replace the old AM with the new AM
[HBASE-14617] - Procedure V2: Update ServerCrashProcedure to interact with assignment procedures
[HBASE-14618] - Procedure V2: Implement move shell command to use Proc-V2 assignment
[HBASE-14620] - Procedure V2: Update HBCK to incorporate the Proc-V2-based assignment
[HBASE-14627] - Move Stargate docs to Ref Guide
[HBASE-14631] - Region merge request should be audited with request user through proper scope of doAs() calls to region observer notifications
[HBASE-14636] - Clear HFileScannerImpl#prevBlocks in between Compaction flow
[HBASE-14637] - Loosen TestChoreService assert AND have TestDataBlockEncoders do less work (and add timeouts)
[HBASE-14638] - Move Jython info from the Wiki to the Ref Guide
[HBASE-14639] - Move Scala info from Wiki to Ref Guide
[HBASE-14640] - Move Cascading info from Wiki to Ref Guide
[HBASE-14641] - Move JDO example from Wiki to Ref Guide
[HBASE-14646] - Move TestCellACLs from medium to large category
[HBASE-14647] - Disable TestWALProcedureStoreOnHDFS#testWalRollOnLowReplication
[HBASE-14648] - Reenable TestWALProcedureStoreOnHDFS#testWalRollOnLowReplication
[HBASE-14655] - Narrow the scope of doAs() calls to region observer notifications for compaction
[HBASE-14657] - Remove unneeded API from EncodedSeeker
[HBASE-14662] - Fix NPE in HFileOutputFormat2
[HBASE-14685] - Procedure Id is not set for MasterRpcServices#modifyTable
[HBASE-14698] - Set category timeouts on TestScanner and TestNamespaceAuditor
[HBASE-14702] - TestZKProcedureControllers.testZKCoordinatorControllerWithSingleMemberCohort is a flakey
[HBASE-14709] - Parent change breaks graceful_stop.sh on a cluster
[HBASE-14710] - Add category-based timeouts to MR tests
[HBASE-14720] - Make TestHCM and TestMetaWithReplicas large tests rather than mediums
[HBASE-14725] - Vet categorization of tests so they for sure go into the right small/medium/large buckets
[HBASE-14734] - BindException when setting up MiniKdc
[HBASE-14772] - Improve zombie detector; be more discerning
[HBASE-14785] - Hamburger menu for mobile site
[HBASE-14786] - TestProcedureAdmin hangs
[HBASE-14794] - Cleanup TestAtomicOperation, TestImportExport, and TestMetaWithReplicas
[HBASE-14798] - NPE reporting server load causes regionserver abort; causes TestAcidGuarantee to fail
[HBASE-14819] - hbase-it tests failing with OOME; permgen
[HBASE-14832] - Ensure write paths work with ByteBufferedCells in case of compaction
[HBASE-14837] - Procedure V2 - Procedure Queue Improvement
[HBASE-14841] - Allow Dictionary to work with BytebufferedCells
[HBASE-14863] - Add missing test/resources/log4j files in hbase modules
[HBASE-14877] - maven archetype: client application
[HBASE-14878] - maven archetype: client application with shaded jars
[HBASE-14884] - TestSplitTransactionOnCluster.testSSHCleanupDaugtherRegionsOfAbortedSplit is flakey
[HBASE-14888] - ClusterSchema: Add Namespace Operations
[HBASE-14895] - Seek only to the newly flushed file on scanner reset on flush
[HBASE-14902] - Revert some of the stringency recently introduced by checkstyle tightening
[HBASE-14908] - TestRowCounter flakey especially on branch-1
[HBASE-14909] - NPE testing for RIT
[HBASE-14919] - Infrastructure refactoring for In-Memory Flush
[HBASE-14920] - Compacting Memstore
[HBASE-14921] - Inmemory Compaction Optimizations; Segment Structure
[HBASE-14947] - Procedure V2 - WALProcedureStore improvements
[HBASE-14949] - Resolve name conflict when splitting if there are duplicated WAL entries
[HBASE-14962] - TestSplitWalDataLoss fails on all branches
[HBASE-14997] - Move compareOp and Comparators out of filter to client package
[HBASE-14998] - Unify synchronous and asynchronous methods in Admin and cleanup
[HBASE-15016] - StoreServices facility in Region
[HBASE-15023] - Reenable TestShell and TestStochasticLoadBalancer
[HBASE-15046] - Perf test doing all mutation steps under row lock
[HBASE-15071] - Cleanup bypass semantic in MasterCoprocessorHost
[HBASE-15072] - Use protobuf for serialization/deserialization.
[HBASE-15077] - Support OffheapKV write in compaction with out copying data on heap
[HBASE-15082] - Fix merge of MVCC and SequenceID performance regression
[HBASE-15087] - Fix hbase-common findbugs complaints
[HBASE-15094] - Selection of WAL files eligible for incremental backup is broken
[HBASE-15095] - isReturnResult=false on fast path in branch-1.1 and branch-1.0 is not respected
[HBASE-15105] - Procedure V2 - Procedure Queue with Namespaces
[HBASE-15106] - Procedure V2 - Procedure Queue pass Procedure for better debuggability
[HBASE-15107] - Procedure V2 - Procedure Queue with Regions
[HBASE-15113] - Procedure v2 - Speedup eviction of sys operation results
[HBASE-15114] - NPE when IPC server ByteBuffer reservoir is turned off
[HBASE-15115] - Fix findbugs complaints in hbase-client
[HBASE-15118] - Fix findbugs complaint in hbase-server
[HBASE-15142] - Procedure v2 - Basic WebUI listing the procedures
[HBASE-15143] - Procedure v2 - Web UI displaying queues
[HBASE-15144] - Procedure v2 - Web UI displaying Store state
[HBASE-15157] - Add *PerformanceTest for Append, CheckAnd*
[HBASE-15158] - Change order in which we do write pipeline operations; do all under row locks!
[HBASE-15160] - Put back HFile's HDFS op latency sampling code and add metrics for monitoring
[HBASE-15163] - Add sampling code and metrics for get/scan/multi/mutate count separately
[HBASE-15171] - Avoid counting duplicate kv and generating lots of small hfiles in PutSortReducer
[HBASE-15172] - Support setting storage policy in bulkload
[HBASE-15174] - Client Public API should not have PB objects in 2.0
[HBASE-15180] - Reduce garbage created while reading Cells from Codec Decoder
[HBASE-15194] - TestStochasticLoadBalancer.testRegionReplicationOnMidClusterSameHosts flaky on trunk
[HBASE-15202] - Reduce garbage while setting response
[HBASE-15203] - Reduce garbage created by path.toString() during Checksum verification
[HBASE-15204] - Try to estimate the cell count for adding into WALEdit
[HBASE-15205] - Do not find the replication scope for every WAL#append()
[HBASE-15210] - Undo aggressive load balancer logging at tens of lines per millisecond
[HBASE-15215] - TestBlockEvictionFromClient is flaky in jdk1.7 build
[HBASE-15232] - Exceptions returned over multi RPC don't automatically trigger region location reloads
[HBASE-15238] - HFileReaderV2 prefetch overreaches; runs off the end of the data
[HBASE-15239] - Remove unused LoadBalancer.immediateAssignment()
[HBASE-15244] - More doc around native lib setup and check and crc
[HBASE-15263] - TestIPv6NIOServerSocketChannel.testServerSocketFromLocalhostResolution can hang indefinetly
[HBASE-15264] - Implement a fan out HDFS OutputStream
[HBASE-15265] - Implement an asynchronous FSHLog
[HBASE-15270] - Use appropriate encoding for "filter" field in TaskMonitorTmpl.jamon
[HBASE-15272] - Add error handling for split and compact actions in table.jsp
[HBASE-15277] - TestRegionMergeTransactionOnCluster.testWholesomeMerge fails with no connection to master
[HBASE-15293] - Handle TableNotFound and IllegalArgument exceptions in table.jsp
[HBASE-15305] - Fix a couple of incorrect anchors in HBase ref guide
[HBASE-15311] - Prevent NPE in BlockCacheViewTmpl
[HBASE-15314] - Allow more than one backing file in bucketcache
[HBASE-15334] - Add avro support for spark hbase connector
[HBASE-15337] - Document date tiered compaction in the book
[HBASE-15346] - add 1.3 RM to docs
[HBASE-15351] - Fix description of hbase.bucketcache.size in hbase-default.xml
[HBASE-15354] - Use same criteria for clearing meta cache for all operations
[HBASE-15359] - Simplifying Segment hierarchy
[HBASE-15365] - Do not write to '/tmp' in TestHBaseConfiguration
[HBASE-15366] - Add doc, trace-level logging, and test around hfileblock
[HBASE-15368] - Add pluggable window support
[HBASE-15369] - Handle NPE in region.jsp
[HBASE-15371] - Procedure V2 - Completed support parent-child procedure
[HBASE-15373] - DEPRECATED_NAME_OF_NO_LIMIT_THROUGHPUT_CONTROLLER_CLASS value is wrong in CompactionThroughputControllerFactory
[HBASE-15375] - Do not write to '/tmp' in TestRegionMover
[HBASE-15376] - ScanNext metric is size-based while every other per-operation metric is time based
[HBASE-15377] - Per-RS Get metric is time based, per-region metric is size-based
[HBASE-15380] - Purge rollback support in Store etc.
[HBASE-15384] - Avoid using '/tmp' directory in TestBulkLoad
[HBASE-15386] - PREFETCH_BLOCKS_ON_OPEN in HColumnDescriptor is ignored
[HBASE-15389] - Write out multiple files when compaction
[HBASE-15390] - Unnecessary MetaCache evictions cause elevated number of requests to meta
[HBASE-15392] - Single Cell Get reads two HFileBlocks
[HBASE-15400] - Use DateTieredCompactor for Date Tiered Compaction
[HBASE-15407] - Add SASL support for fan out OutputStream
[HBASE-15412] - Add average region size metric
[HBASE-15416] - TestHFileBackedByBucketCache is flakey since it went in
[HBASE-15421] - Convert TestStoreScanner to junit4 from junit3 and clean up close of scanners
[HBASE-15422] - Procedure v2 - Avoid double yield
[HBASE-15435] - Add WAL (in bytes) written metric
[HBASE-15460] - Fix infer issues in hbase-common
[HBASE-15464] - Flush / Compaction metrics revisited
[HBASE-15477] - Do not save 'next block header' when we cache hfileblocks
[HBASE-15479] - No more garbage or beware of autoboxing
[HBASE-15484] - Correct the semantic of batch and partial
[HBASE-15488] - Add ACL for setting split merge switch
[HBASE-15495] - Connection leak in FanOutOneBlockAsyncDFSOutputHelper
[HBASE-15505] - ReplicationPeerConfig should be builder-style
[HBASE-15513] - hbase.hregion.memstore.chunkpool.maxsize is 0.0 by default
[HBASE-15518] - Add Per-Table metrics back
[HBASE-15521] - Procedure V2 - RestoreSnapshot and CloneSnapshot
[HBASE-15524] - Fix NPE in client-side metrics
[HBASE-15525] - OutOfMemory could occur when using BoundedByteBufferPool during RPC bursts
[HBASE-15527] - Refactor Compactor related classes
[HBASE-15532] - core favored nodes enhancements
[HBASE-15536] - Make AsyncFSWAL as our default WAL
[HBASE-15537] - Make multi WAL work with WALs other than FSHLog
[HBASE-15538] - Implement secure async protobuf wal writer
[HBASE-15554] - StoreFile$Writer.appendGeneralBloomFilter generates extra KV
[HBASE-15561] - See how G1GC works with MSLAB and chunk pool
[HBASE-15568] - Procedure V2 - Remove CreateTableHandler in HBase Apache 2.0 release
[HBASE-15575] - Rename table DDL *Handler methods in MasterObserver to more meaningful names
[HBASE-15579] - Procedure V2 - Remove synchronized around nonce in Procedure submit
[HBASE-15583] - Any HTableDescriptor we give out should be immutable
[HBASE-15628] - Implement an AsyncOutputStream which can work with any FileSystem implementation
[HBASE-15640] - L1 cache doesn't give fair warning that it is showing partial stats only when it hits limit
[HBASE-15651] - Add report-flakies.py to use jenkins api to get failing tests
[HBASE-15658] - RegionServerCallable / RpcRetryingCaller clear meta cache on retries
[HBASE-15662] - Hook up JvmPauseMonitor to REST server
[HBASE-15663] - Hook up JvmPauseMonitor to ThriftServer
[HBASE-15665] - Support using different StoreFileComparators for different CompactionPolicies
[HBASE-15671] - Add per-table metrics on memstore, storefile and regionsize
[HBASE-15675] - Add more details about region on table.jsp
[HBASE-15683] - Min latency in latency histograms are emitted as Long.MAX_VALUE
[HBASE-15689] - Changes to hbase-personality.sh to include/exclude flaky tests
[HBASE-15709] - Handle large edits for asynchronous WAL
[HBASE-15721] - Optimization in cloning cells into MSLAB
[HBASE-15735] - Tightening of the CP contract
[HBASE-15740] - Replication source.shippedKBs metric is undercounting because it is in KB
[HBASE-15743] - Add Transparent Data Encryption support for FanOutOneBlockAsyncDFSOutput
[HBASE-15754] - Add testcase for AES encryption
[HBASE-15763] - Isolate Wal related stuff from MasterFileSystem
[HBASE-15776] - Replace master.am.getTableStateManager() with the direct master.getTableStateManager()
[HBASE-15778] - replace master.am and master.sm direct access with getter calls
[HBASE-15785] - Unnecessary lock in ByteBufferArray
[HBASE-15786] - Create DBB backed MSLAB pool
[HBASE-15787] - Change the flush related heuristics to work with offheap size configured
[HBASE-15788] - Use Offheap ByteBuffers from BufferPool to read RPC requests.
[HBASE-15789] - PB related changes to work with offheap
[HBASE-15813] - Rename DefaultWALProvider to a more specific name and clean up unnecessary reference to it
[HBASE-15825] - Fix the null pointer in DynamicLogicExpressionSuite
[HBASE-15865] - Move TestTableDeleteFamilyHandler and TestTableDescriptorModification handler tests to procedure
[HBASE-15872] - Split TestWALProcedureStore
[HBASE-15883] - Adding WAL files and tracking offsets in HBase.
[HBASE-15896] - Add timeout tests to flaky list from report-flakies.py
[HBASE-15915] - Set timeouts on hanging tests
[HBASE-15917] - Flaky tests dashboard
[HBASE-15919] - Document @Rule vs @ClassRule. Also clarify timeout limits are on TestCase.
[HBASE-15927] - Remove HMaster.assignRegion()
[HBASE-15935] - Have a separate Walker task running concurrently with Generator
[HBASE-15948] - Port "HADOOP-9956 RPC listener inefficiently assigns connections to readers"
[HBASE-15971] - Regression: Random Read/WorkloadC slower in 1.x than 0.98
[HBASE-15974] - Create a ReplicationQueuesClientHBaseImpl
[HBASE-15984] - Given failure to parse a given WAL that was closed cleanly, replay the WAL.
[HBASE-15985] - clarify promises about edits from replication in ref guide
[HBASE-15991] - CompactingMemstore#InMemoryFlushRunnable should implement Comparable/Comparator
[HBASE-15994] - Allow selection of RpcSchedulers
[HBASE-15995] - Separate replication WAL reading from shipping
[HBASE-15999] - NPE in MemstoreCompactor
[HBASE-16023] - Fastpath for the FIFO rpcscheduler
[HBASE-16034] - Fix ProcedureTestingUtility#LoadCounter.setMaxProcId()
[HBASE-16036] - Fix ReplicationTableBase initialization to make it non-blocking
[HBASE-16038] - Ignore JVM crashes or machine shutdown failures in report-flakies
[HBASE-16056] - Procedure v2 - fix master crash for FileNotFound
[HBASE-16068] - Procedure v2 - use consts for conf properties in tests
[HBASE-16080] - Fix flakey tests
[HBASE-16082] - Procedure v2 - Move out helpers from MasterProcedureScheduler
[HBASE-16083] - Fix table based replication related configs
[HBASE-16092] - Procedure v2 - complete child procedure support
[HBASE-16094] - Procedure v2 - Improve cleaning up of proc wals
[HBASE-16101] - Procedure v2 - Perf Tool for WAL
[HBASE-16119] - Procedure v2 - Reimplement merge
[HBASE-16121] - Require only MasterServices to the ServerManager constructor
[HBASE-16134] - Introduce Cell extension for server side.
[HBASE-16143] - Change MemstoreScanner constructor to accept List<KeyValueScanner>
[HBASE-16146] - Counters are expensive...
[HBASE-16153] - Correct the config name 'hbase.memestore.inmemoryflush.threshold.factor'
[HBASE-16155] - Compacting Memstore : Few log improvements
[HBASE-16156] - In write heavy scenario creating in memory flushes leads to contention
[HBASE-16162] - Compacting Memstore : unnecessary push of active segments to pipeline
[HBASE-16163] - Compacting Memstore : CompactionPipeline#addFirst can use LinkedList#addFirst
[HBASE-16164] - Missing close of new compacted segments in few occasions which might leak MSLAB chunks from pool
[HBASE-16166] - Create a memstore impl that does not compact but creates pipelines and flushes all segments from pipeline
[HBASE-16167] - Verify the sizing part of Compacting Memstore.
[HBASE-16169] - Make RegionSizeCalculator scalable
[HBASE-16176] - Bug fixes/improvements on HBASE-15650 Remove TimeRangeTracker as point of contention when many threads reading a StoreFile
[HBASE-16181] - Allow snapshot of hbase:backup table
[HBASE-16194] - Should count in MSLAB chunk allocation into heap size change when adding duplicate cells
[HBASE-16195] - Should not add chunk into chunkQueue if not using chunk pool in HeapMemStoreLAB
[HBASE-16205] - When Cells are not copied to MSLAB, deep clone it while adding to Memstore
[HBASE-16208] - Make TableBasedReplicationQueuesImpl check that queue exists before attempting to remove it
[HBASE-16214] - Add in UI description of Replication Table
[HBASE-16217] - Identify calling user in ObserverContext
[HBASE-16219] - Move meta bootstrap out of HMaster
[HBASE-16229] - Cleaning up size and heapSize calculation
[HBASE-16233] - Procedure V2: Support acquire/release shared table lock concurrently
[HBASE-16236] - Typo in javadoc of InstancePending
[HBASE-16242] - Upgrade Avro to 1.7.7
[HBASE-16257] - Move staging dir to be under hbase root dir
[HBASE-16261] - MultiHFileOutputFormat Enhancement
[HBASE-16263] - Move all to do w/ protobuf -- *.proto files and generated classes -- under hbase-protocol
[HBASE-16264] - Figure how to deal with endpoints and shaded pb
[HBASE-16280] - Use hash based map in SequenceIdAccounting
[HBASE-16285] - Drop RPC requests if it must be considered as timeout at client
[HBASE-16286] - When TagRewriteCell are not copied to MSLAB, deep clone it while adding to Memstore
[HBASE-16308] - Contain protobuf references
[HBASE-16311] - Audit log for delete snapshot operation is missing in case of snapshot owner deleting the same
[HBASE-16314] - Retry on table snapshot failure during full backup
[HBASE-16317] - revert all ESAPI changes
[HBASE-16318] - fail build if license isn't in whitelist
[HBASE-16321] - Ensure findbugs jsr305 jar isn't present
[HBASE-16324] - Remove LegacyScanQueryMatcher
[HBASE-16336] - Removing peers seems to be leaving spare queues
[HBASE-16372] - References to previous cell in read path should be avoided
[HBASE-16378] - Procedure v2 - Make ProcedureException extend HBaseException
[HBASE-16392] - Backup delete fault tolerance
[HBASE-16398] - optimize HRegion computeHDFSBlocksDistribution
[HBASE-16404] - Make DeleteBloomFilters work with BloomContext
[HBASE-16405] - Change read path Bloom check to work with Cells with out any copy
[HBASE-16407] - Handle MemstoreChunkPool size when HeapMemoryManager tunes memory
[HBASE-16417] - In-Memory MemStore Policy for Flattening and Compactions
[HBASE-16433] - Remove AsyncRpcChannel related stuffs
[HBASE-16435] - Implement RpcChannel for RpcClientImpl
[HBASE-16436] - Add the CellChunkMap variant
[HBASE-16437] - Refactor MSLAB and Chunkpool to create ChunkIds
[HBASE-16438] - Create a cell type so that chunk id is embedded in it
[HBASE-16440] - MemstoreChunkPool might cross its maxCount of chunks to pool
[HBASE-16445] - Refactor and reimplement RpcClient
[HBASE-16451] - Procedure v2 - Test WAL protobuf entry size limit
[HBASE-16452] - Procedure v2 - Make ProcedureWALPrettyPrinter extend Tool
[HBASE-16474] - Remove dfs.support.append related code and documentation
[HBASE-16475] - Remove SequenceFile based WAL
[HBASE-16476] - Remove HLogKey
[HBASE-16477] - Remove Writable interface and related code from WALEdit/WALKey
[HBASE-16479] - Move WALEdit from hbase.regionserver.wal package to hbase.wal package
[HBASE-16485] - Procedure V2 - Add support to addChildProcedure() as last "step" in StateMachineProcedure
[HBASE-16505] - Save deadline in RpcCallContext according to request's timeout
[HBASE-16507] - Procedure v2 - Force DDL operation to always roll forward
[HBASE-16510] - Reset RpcController before retry
[HBASE-16516] - Revisit the implementation of PayloadCarryingRpcController
[HBASE-16519] - Procedure v2 - Avoid sync wait on DDLs operation
[HBASE-16522] - Procedure v2 - Cache system user and avoid IOException
[HBASE-16524] - Procedure v2 - Compute WALs cleanup on wal modification and not on every sync
[HBASE-16526] - Add more ipc tests
[HBASE-16530] - Reduce DBE code duplication
[HBASE-16531] - Move cell block related code out of IPCUtil
[HBASE-16532] - Procedure-V2: Enforce procedure ownership at submission
[HBASE-16533] - Procedure v2 - Extract chore from the executor
[HBASE-16534] - Procedure v2 - Perf Tool for Scheduler
[HBASE-16543] - Separate Create/Modify Table operations from open/reopen regions
[HBASE-16548] - Procedure v2 - Add handling of split region transition to the new AM
[HBASE-16549] - Procedure v2 - Add new AM metrics
[HBASE-16554] - Procedure V2 - Recover 'updated' part of WAL tracker if trailer is corrupted.
[HBASE-16570] - Compute region locality in parallel at startup
[HBASE-16586] - Procedure v2 - Cleanup sched wait/lock semantic
[HBASE-16587] - Procedure v2 - Cleanup suspended proc execution
[HBASE-16592] - Unify Delete request with AP
[HBASE-16596] - Reduce redundant interfaces in AsyncProcess
[HBASE-16608] - Introducing the ability to merge ImmutableSegments without copy-compaction or SQM usage
[HBASE-16618] - Procedure v2 - Add base class for table and ns procedures
[HBASE-16626] - User customized RegionScanner from 1.X is incompatible with 2.0.0's off-heap part
[HBASE-16642] - Procedure V2: Use DelayQueue instead of TimeoutBlockingQueue
[HBASE-16648] - [JDK8] Use computeIfAbsent instead of get and putIfAbsent
[HBASE-16650] - Wrong usage of BlockCache eviction stat for heap memory tuning
[HBASE-16651] - LRUBlockCache#returnBlock should try return block to Victim Handler L2 cache.
[HBASE-16695] - Procedure v2 - Support for parent holding locks
[HBASE-16735] - Procedure v2 - Fix yield while holding locks
[HBASE-16738] - L1 cache caching shared memory HFile block when blocks promoted from L2 to L1
[HBASE-16741] - Amend the generate protobufs out-of-band build step to include shade, pulling in protobuf source and a hook for patching protobuf
[HBASE-16742] - Add chapter for devs on how we do protobufs going forward
[HBASE-16744] - Procedure V2 - Lock procedures to allow clients to acquire locks on tables/namespaces/regions
[HBASE-16747] - Track memstore data size and heap overhead separately
[HBASE-16758] - Bring back HBaseZeroCopyByteStringer stuff
[HBASE-16759] - Avoid ByteString.copyFrom usage wherever possible
[HBASE-16760] - Deprecate ByteString related methods in Bytes.java
[HBASE-16786] - Procedure V2 - Move ZK-lock's uses to Procedure framework locks (LockProcedure)
[HBASE-16788] - Race in compacted file deletion between HStore close() and closeAndArchiveCompactedFiles()
[HBASE-16799] - CP exposed Store should not expose unwanted APIs
[HBASE-16802] - Procedure v2 - group procedure cleaning
[HBASE-16813] - Procedure v2 - Move ProcedureEvent to hbase-procedure module
[HBASE-16831] - Procedure V2 - Remove org.apache.hadoop.hbase.zookeeper.lock
[HBASE-16834] - Add AsyncConnection support for ConnectionFactory
[HBASE-16835] - Revisit the zookeeper usage at client side
[HBASE-16836] - Implement increment and append
[HBASE-16837] - Implement checkAndPut and checkAndDelete
[HBASE-16838] - Implement basic scan
[HBASE-16839] - Procedure v2 - Move all protobuf handling to ProcedureUtil
[HBASE-16846] - Procedure v2 - executor cleanup
[HBASE-16848] - Usage for show_peer_tableCFs command doesn't include peer
[HBASE-16851] - User-facing documentation for the In-Memory Compaction feature
[HBASE-16864] - Procedure v2 - Fix StateMachineProcedure support for child procs at last step
[HBASE-16865] - Procedure v2 - Inherit lock from root proc
[HBASE-16867] - Procedure V2 - Check ACLs for remote HBaseLock
[HBASE-16871] - Procedure v2 - add waiting procs back to the queue after restart
[HBASE-16872] - Implement mutateRow and checkAndMutate
[HBASE-16874] - Fix TestMasterFailoverWithProcedures and ensure single proc-executor for kill/restart tests
[HBASE-16890] - Analyze the performance of AsyncWAL and fix the same
[HBASE-16891] - Try copying to the Netty ByteBuf directly from the WALEdit
[HBASE-16892] - Use TableName instead of String in SnapshotDescription
[HBASE-16932] - Implement small scan
[HBASE-16937] - Replace SnapshotType protobuf conversion when we can directly use the pojo object
[HBASE-16941] - FavoredNodes - Split/Merge code paths
[HBASE-16942] - Add FavoredStochasticLoadBalancer and FN Candidate generators
[HBASE-16945] - Implement AsyncRegionLocator
[HBASE-16954] - Unify HTable#checkAndDelete with AP
[HBASE-16956] - Refactor FavoredNodePlan to use regionNames as keys
[HBASE-16968] - Refactor FanOutOneBlockAsyncDFSOutput
[HBASE-16970] - Clarify misleading Scan.java comment about caching
[HBASE-16982] - Better integrate Apache CLI in AbstractHBaseTool
[HBASE-16984] - Implement getScanner
[HBASE-16986] - Add note on how scanner caching has changed since 0.98 to refguid
[HBASE-16991] - Make the initialization of AsyncConnection asynchronous
[HBASE-16995] - Build client Java API and client protobuf messages
[HBASE-16996] - Implement storage/retrieval of filesystem-use quotas into quota table
[HBASE-16997] - [Master] Collect table use information from RegionServers
[HBASE-16998] - [Master] Analyze table use reports and update quota violations
[HBASE-16999] - [Master] Inform RegionServers on size quota violations
[HBASE-17000] - [RegionServer] Compute region filesystem space use and report to Master
[HBASE-17001] - [RegionServer] Implement enforcement of quota violation policies
[HBASE-17002] - [Master] Report quotas and active violations on Master UI and JMX metrics
[HBASE-17003] - Update book for filesystem use quotas
[HBASE-17008] - Examples to make AsyncClient go down easy
[HBASE-17012] - Handle Offheap cells in CompressedKvEncoder
[HBASE-17017] - Remove the current per-region latency histogram metrics
[HBASE-17021] - Use RingBuffer to reduce the contention in AsyncFSWAL
[HBASE-17025] - [Shell] Support space quota get/set via the shell
[HBASE-17029] - Procedure v2 - A couple of tweaks to the SplitTableRegionProcedure
[HBASE-17030] - Procedure v2 - A couple of tweaks to the SplitTableRegionProcedure
[HBASE-17035] - Check why we roll a wal writer at 10MB when the configured roll size is 120M+ with AsyncFSWAL
[HBASE-17036] - Unify HTable#checkAndPut with AP
[HBASE-17045] - Unify the implementation of small scan and regular scan
[HBASE-17048] - Calcuate suitable ByteBuf size when allocating send buffer in FanOutOneBlockAsyncDFSOutput
[HBASE-17049] - Do not issue sync request when there are still entries in ringbuffer
[HBASE-17050] - Upgrade Apache CLI version from 1.2 to 1.3.1
[HBASE-17053] - Remove LogRollerExitedChecker
[HBASE-17066] - Procedure v2 - Add handling of merge region transition to the new AM
[HBASE-17067] - Procedure v2 - remove tryAcquire*Lock and use wait/wake to make framework event based
[HBASE-17068] - Procedure v2 - inherit region locks
[HBASE-17071] - Do not initialize MemstoreChunkPool when use mslab option is turned off
[HBASE-17073] - Increase the max number of buffers in ByteBufferPool
[HBASE-17081] - Flush the entire CompactingMemStore content to disk
[HBASE-17085] - AsyncFSWAL may issue unnecessary AsyncDFSOutput.sync
[HBASE-17087] - Enable Aliasing for CodedInputStream created by ByteInputByteString#newCodedInput
[HBASE-17089] - Add doc on experience running with hedged reads
[HBASE-17090] - Procedure v2 - fast wake if nothing else is running
[HBASE-17101] - FavoredNodes should not apply to system tables
[HBASE-17107] - FN info should be cleaned up on region/table cleanup
[HBASE-17111] - Use Apache CLI in SnapshotInfo tool
[HBASE-17132] - Cleanup deprecated code for WAL
[HBASE-17139] - Remove sweep tool related configs from hbase-default.xml
[HBASE-17141] - Introduce a more user-friendly implementation of AsyncTable
[HBASE-17142] - Implement multi get
[HBASE-17148] - Procedure v2 - add bulk proc submit
[HBASE-17149] - Procedure V2 - Fix nonce submission to avoid unnecessary calling coprocessor multiple times
[HBASE-17162] - Avoid unconditional call to getXXXArray() in write path
[HBASE-17167] - Pass mvcc to client when scan
[HBASE-17169] - Remove Cell variants with ShareableMemory
[HBASE-17183] - Handle ByteBufferCell while making TagRewriteCell
[HBASE-17198] - FN updates during region merge (follow up to Procedure v2 merge)
[HBASE-17201] - Edit of HFileBlock comments and javadoc
[HBASE-17210] - Set timeout on trying rowlock according to client's RPC timeout
[HBASE-17223] - Make COS#newInstance(ByteOutput, int) as public API.
[HBASE-17251] - Add a timeout parameter when locating region
[HBASE-17259] - Missing functionality to remove space quota
[HBASE-17260] - Procedure v2 - Add setOwner() overload taking a User instance
[HBASE-17262] - Refactor RpcServer so as to make it extendable and/or pluggable
[HBASE-17263] - Netty based rpc server impl
[HBASE-17277] - Allow alternate BufferedMutator implementation
[HBASE-17281] - FN should use datanode port from hdfs configuration
[HBASE-17282] - Reduce the redundant requests to meta table
[HBASE-17294] - External Configuration for Memory Compaction
[HBASE-17312] - [JDK8] Use default method for Observer Coprocessors
[HBASE-17313] - Add BufferedMutatorParams#clone method
[HBASE-17316] - Addendum to HBASE-17294, 'External Configuration for Memory Compaction'
[HBASE-17320] - Add inclusive/exclusive support for startRow and endRow of scan
[HBASE-17334] - Add locate row before/after support for AsyncRegionLocator
[HBASE-17335] - enable/disable replication peer requests should be routed through master
[HBASE-17336] - get/update replication peer config requests should be routed through master
[HBASE-17337] - list replication peers request should be routed through master
[HBASE-17338] - Treat Cell data size under global memstore heap size only when that Cell can not be copied to MSLAB
[HBASE-17345] - Implement batch
[HBASE-17346] - Add coprocessor service support
[HBASE-17349] - Add doc for regionserver group-based assignment
[HBASE-17350] - Fixup of regionserver group-based assignment
[HBASE-17367] - Make HTable#getBufferedMutator thread safe
[HBASE-17372] - Make AsyncTable thread safe
[HBASE-17373] - Reverse the order of snapshot creation in the CompactingMemStore
[HBASE-17388] - Move ReplicationPeer and other replication related PB messages to the replication.proto
[HBASE-17389] - Convert all internal usages from ReplicationAdmin to Admin
[HBASE-17396] - Add first async admin impl and implement balance methods
[HBASE-17402] - TestAsyncTableScan sometimes hangs
[HBASE-17409] - Re-fix XSS request issue in JMXJsonServlet
[HBASE-17410] - Use isEmpty instead of size() == 0 in hbase-client
[HBASE-17416] - Use isEmpty instead of size() == 0 in hbase-protocol-shaded
[HBASE-17428] - Expand on shell commands for detailed insight
[HBASE-17442] - Move most of the replication related classes from hbase-client to hbase-replication package
[HBASE-17443] - Move listReplicated/enableTableRep/disableTableRep methods from ReplicationAdmin to Admin
[HBASE-17447] - Automatically delete quota when table is deleted
[HBASE-17470] - Remove merge region code from region server
[HBASE-17478] - Avoid sending FSUtilization reports to master when quota support is not enabled
[HBASE-17480] - Remove split region code from Region Server
[HBASE-17483] - Add equals/hashcode for OffheapKeyValue
[HBASE-17484] - Add non cached version of OffheapKV for write path
[HBASE-17491] - Remove all setters from HTable interface and introduce a TableBuilder to build Table instance
[HBASE-17492] - Fix the compacting memstore part in hbase shell ruby script
[HBASE-17497] - Add first async MetaTableAccessor impl and Implement tableExists method
[HBASE-17498] - Implement listTables and listTableNames methods
[HBASE-17500] - Implement getTable/creatTable/deleteTable/truncateTable methods
[HBASE-17508] - Unify the implementation of small scan and regular scan for sync client
[HBASE-17511] - Implement enable/disable table methods
[HBASE-17516] - Table quota not taking precedence over namespace quota
[HBASE-17520] - Implement isTableEnabled/Disabled/Available methods
[HBASE-17526] - Procedure v2 - cleanup isSuspended from MasterProcedureScheduler#Queue
[HBASE-17530] - Readd TestMergeTableRegionsProcedure mistakenly removed by HBASE-16786
[HBASE-17535] - Remove backup manifest duplicates from backup file system
[HBASE-17554] - Figure 2.0.0 Hadoop Version Support; update refguide
[HBASE-17557] - HRegionServer#reportRegionSizesForQuotas() should respond to UnsupportedOperationException
[HBASE-17561] - table status page should escape values that may contain arbitrary characters.
[HBASE-17562] - Remove documentation for coprocessor execution times after HBASE-14205
[HBASE-17566] - Jetty upgrade fixes
[HBASE-17568] - Expire region reports in the HMaster
[HBASE-17570] - rsgroup server move can get stuck if unassigning fails
[HBASE-17571] - Add batch coprocessor service support
[HBASE-17575] - Run critical tests with each of the Inmemory Compaction Policies enabled (Towards Making BASIC the Default In-Memory Compaction Policy)
[HBASE-17580] - Tooling to move table out of FAILED_OPEN state
[HBASE-17583] - Add inclusive/exclusive support for startRow and endRow of scan for sync client
[HBASE-17584] - Expose ScanMetrics with ResultScanner rather than Scan
[HBASE-17589] - Add doc for regionserver groups feature
[HBASE-17595] - Add partial result support for small/limited scan
[HBASE-17596] - Implement add/delete/modify column family methods
[HBASE-17599] - Use mayHaveMoreCellsInRow instead of isPartial
[HBASE-17600] - Implement get/create/modify/delete/list namespace admin operations
[HBASE-17602] - Tweak chore delay/period defaults
[HBASE-17608] - Add suspend support for RawScanResultConsumer
[HBASE-17615] - Use nonce and procedure v2 for add/remove replication peer
[HBASE-17619] - Add async admin Impl which connect to RegionServer and implement close region methods.
[HBASE-17644] - Always create ByteBufferCells after copying to MSLAB
[HBASE-17646] - Implement Async getRegion method
[HBASE-17647] - OffheapKeyValue#heapSize() implementation is wrong
[HBASE-17656] - Move new Address class from util to net package
[HBASE-17662] - Disable in-memory flush when replaying from WAL
[HBASE-17667] - Implement async flush/compact region methods
[HBASE-17668] - Implement async assgin/offline/move/unassign methods
[HBASE-17669] - Implement async mergeRegion/splitRegion methods.
[HBASE-17678] - FilterList with MUST_PASS_ONE may lead to redundant cells returned
[HBASE-17691] - Add ScanMetrics support for async scan
[HBASE-17730] - [DOC] Migration to 2.0 for coprocessors
[HBASE-17738] - BucketCache startup is slow
[HBASE-17740] - Correct the semantic of batch and partial for async client
[HBASE-17745] - Support short circuit connection for master services
[HBASE-17765] - Reviving the merge possibility in the CompactingMemStore
[HBASE-17786] - Create LoadBalancer perf-tests (test balancer algorithm decoupled from workload)
[HBASE-17790] - Mark ReplicationAdmin's peerAdded and listReplicationPeers as Deprecated
[HBASE-17794] - Remove lingering "violation" in favor of the accurate "snapshot"
[HBASE-17805] - We should remove BoundedByteBufferPool because it is replaced by ByteBufferPool
[HBASE-17809] - cleanup unused class
[HBASE-17819] - Reduce the heap overhead for BucketCache
[HBASE-17838] - Replace fixed Executor Threads with dynamic thread pool
[HBASE-17844] - Subset of HBASE-14614, Procedure v2: Core Assignment Manager (non-critical related changes)
[HBASE-17850] - Backup system repair utility
[HBASE-17855] - Fix typo in async client implementation
[HBASE-17857] - Remove IS annotations from IA.Public classes
[HBASE-17858] - Update refguide about the IS annotation if necessary
[HBASE-17859] - ByteBufferUtils#compareTo is wrong
[HBASE-17864] - Implement async snapshot/cloneSnapshot/restoreSnapshot methods
[HBASE-17865] - Implement async listSnapshot/deleteSnapshot methods.
[HBASE-17866] - Implement async setQuota/getQuota methods.
[HBASE-17867] - Implement async procedure RPC API(list/exec/abort/isFinished)
[HBASE-17872] - The MSLABImpl generates the invaild cells when unsafe is not availble
[HBASE-17873] - Change the IA.Public annotation to IA.Private for unstable API
[HBASE-17881] - Remove the ByteBufferCellImpl
[HBASE-17887] - Row-level consistency is broken for read
[HBASE-17895] - TestAsyncProcess#testAction fails if unsafe support is false
[HBASE-17896] - The FIXED_OVERHEAD of Segment is incorrect
[HBASE-17897] - StripeStoreFileManager#nonOpenRowCompare use the wrong comparison function
[HBASE-17908] - Upgrade guava
[HBASE-17914] - Create a new reader instead of cloning a new StoreFile when compaction
[HBASE-17915] - Implement async replication admin methods
[HBASE-17917] - Use pread by default for all user scan and switch to streaming read if needed
[HBASE-17920] - TestFSHDFSUtils always fails against hadoop 3.0.0-alpha2
[HBASE-17922] - TestRegionServerHostname always fails against hadoop 3.0.0-alpha2
[HBASE-17925] - mvn assembly:single fails against hadoop3-alpha2
[HBASE-17929] - Add more options for PE tool
[HBASE-17938] - General fault - tolerance framework for backup/restore operations
[HBASE-17952] - The new options for PE tool do not work
[HBASE-17955] - Commit Reviewboard comments from Vlad
[HBASE-17976] - Remove stability annotation from public audience-marked classes
[HBASE-17977] - Enabled Master observer to delete quotas on table deletion by default
[HBASE-17978] - Investigate hbase superuser permissions in the face of quota violation
[HBASE-17980] - Any HRegionInfo we give out should be immutable
[HBASE-17981] - Roll list_quota_violations into list_quota_snapshots
[HBASE-17994] - Add async client test to Performance Evaluation tool
[HBASE-18002] - Investigate why bucket cache filling up in file mode in an exisiting file is slower
[HBASE-18003] - Fix flaky test TestAsyncTableAdminApi
[HBASE-18008] - Any HColumnDescriptor we give out should be immutable
[HBASE-18009] - Move RpcServer.Call to a separated file
[HBASE-18010] - Connect CellChunkMap to be used for flattening in CompactingMemStore
[HBASE-18012] - Move RpcServer.Connection to a separated file
[HBASE-18013] - Write response directly instead of creating a fake call when setup connection
[HBASE-18016] - Implement abort for TruncateTableProcedure
[HBASE-18018] - Support abort for all procedures by default
[HBASE-18038] - Rename StoreFile to HStoreFile and add a StoreFile interface for CP
[HBASE-18039] - Create a copy of AccessControl.proto under hbase-protocol-shaed module
[HBASE-18052] - Add document for async admin
[HBASE-18068] - Fix flaky test TestAsyncSnapshotAdminApi
[HBASE-18091] - Add API for who currently holds a lock on namespace/ table/ region and log when state is LOCK_EVENT_WAIT
[HBASE-18102] - [SHELL] Purge close_region command that allows by-pass of Master
[HBASE-18103] - [AMv2] If Master gives OPEN to another, if original eventually succeeds, Master will kill it
[HBASE-18104] - [AMv2] Enable aggregation of RPCs (assigns/unassigns, etc.)
[HBASE-18105] - [AMv2] Split/Merge need cleanup; currently they diverge and do not fully embrace AMv2 world
[HBASE-18106] - Redo ProcedureInfo and LockInfo
[HBASE-18107] - [AMv2] Remove DispatchMergingRegionsRequest & DispatchMergingRegions
[HBASE-18108] - Procedure WALs are archived but not cleaned; fix
[HBASE-18109] - Assign system tables first (priority)
[HBASE-18112] - Write RequestTooBigException back to client for NettyRpcServer
[HBASE-18114] - Update the config of TestAsync*AdminApi to make test stable
[HBASE-18115] - Move SaslServer creation to HBaseSaslRpcServer
[HBASE-18160] - Fix incorrect logic in FilterList.filterKeyValue
[HBASE-18183] - Region interface cleanup for CP expose
[HBASE-18190] - Set version in branch-2 to 2.0.0-alpha-1
[HBASE-18191] - Include hbase-metrics-* in assembly
[HBASE-18213] - Add documentation about the new async client
[HBASE-18220] - Compaction scanners need not reopen storefile scanners while trying to switch over from pread to stream
[HBASE-18221] - Switch from pread to stream should happen under HStore's reentrant lock
[HBASE-18229] - create new Async Split API to embrace AM v2
[HBASE-18231] - Deprecate and throw unsupported operation when Admin#closeRegion is called.
[HBASE-18234] - Revisit the async admin api
[HBASE-18238] - Address ruby static analysis for bin directory
[HBASE-18239] - Address ruby static analysis for shell module
[HBASE-18240] - Add hbase-thirdparty, a project with hbase utility including an hbase-shaded-thirdparty module with guava, netty, etc.
[HBASE-18241] - Change client.Table, client.Admin, Region, Store, and HBaseTestingUtility to not use HTableDescriptor or HColumnDescriptor
[HBASE-18264] - Update pom plugins
[HBASE-18268] - Eliminate the findbugs warnings for hbase-client
[HBASE-18271] - Shade netty
[HBASE-18272] - Fix issue about RSGroupBasedLoadBalancer#roundRobinAssignment where BOGUS_SERVER_NAME is involved in two groups
[HBASE-18283] - Provide a construct method which accept a thread pool for AsyncAdmin
[HBASE-18293] - Only add the spotbugs dependency when jdk8 is active
[HBASE-18295] - The result contains the cells across different rows
[HBASE-18297] - Provide a AsyncAdminBuilder to create new AsyncAdmin instance
[HBASE-18298] - RegionServerServices Interface cleanup for CP expose
[HBASE-18308] - Eliminate the findbugs warnings for hbase-server
[HBASE-18314] - Eliminate the findbugs warnings for hbase-examples
[HBASE-18315] - Eliminate the findbugs warnings for hbase-rest
[HBASE-18316] - Implement async admin operations for draining region servers
[HBASE-18317] - Implement async admin operations for Normalizer/CleanerChore/CatalogJanitor
[HBASE-18318] - Implement updateConfiguration/stopMaster/stopRegionServer/shutdown methods
[HBASE-18319] - Implement getClusterStatus/getRegionLoad/getCompactionState/getLastMajorCompactionTimestamp methods
[HBASE-18342] - Add coprocessor service support for async admin
[HBASE-18343] - Track the remaining unimplemented methods for async admin
[HBASE-18347] - Implement a BufferedMutator for async client
[HBASE-18365] - Eliminate the findbugs warnings for hbase-common
[HBASE-18367] - Reduce ProcedureInfo usage
[HBASE-18375] - The pool chunks from ChunkCreator are deallocated while in pool because there is no reference to them
[HBASE-18398] - Snapshot operation fails with FileNotFoundException
[HBASE-18411] - Dividing FiterList into two separate sub-classes: FilterListWithOR , FilterListWithAND
[HBASE-18419] - Update IntegrationTestIngestWithMOB and Actions to use ColumnFamily builders for modification
[HBASE-18420] - Some methods of Admin don't use ColumnFamilyDescriptor
[HBASE-18423] - Fix TestMetaWithReplicas
[HBASE-18424] - Fix TestAsyncTableGetMultiThreaded
[HBASE-18428] - IntegrationTestDDLMasterFailover uses old-style immutable column descriptors
[HBASE-18440] - ITs and Actions modify immutable TableDescriptors
[HBASE-18446] - Mark StoreFileScanner/StoreFileReader as IA.LimitedPrivate(Phoenix)
[HBASE-18448] - EndPoint example for refreshing HFiles for stores
[HBASE-18453] - CompactionRequest should not be exposed to user directly
[HBASE-18489] - Expose scan cursor in RawScanResultConsumer
[HBASE-18502] - Change MasterObserver to use TableDescriptor and ColumnFamilyDescriptor
[HBASE-18503] - Change ***Util and Master to use TableDescriptor and ColumnFamilyDescriptor
[HBASE-18524] - Test reenabling Master carrying regions
[HBASE-18528] - DON'T allow user to modify the passed table/column descriptor
[HBASE-18553] - Expose scan cursor for asynchronous scanner
[HBASE-18593] - Tell m2eclipse what to do w/ replacer plugin
[HBASE-18595] - Set version in branch-2 from 2.0.0-alpha2-SNAPSHOT to 2.0.0-alpha2
[HBASE-18608] - AsyncConnection should return AsyncAdmin interface instead of the implemenation
[HBASE-18624] - Added support for clearing BlockCache based on table name
[HBASE-18656] - Address issues found by error-prone in hbase-common
[HBASE-18658] - Purge hokey hbase Service implementation; use (internal) Guava Service instead
[HBASE-18681] - Introduce a new constructor for StoreScanner for MOB
[HBASE-18687] - Add @since 2.0.0 to new classes
[HBASE-18688] - Upgrade commons-codec to 1.10
[HBASE-18691] - [compat 1-2] HCD remove and removeConfiguration change return type
[HBASE-18692] - [compat 1-2] ByteBufferUtils.copyFromBufferToBuffer goes from void to int
[HBASE-18697] - Need a shaded hbase-mapreduce module
[HBASE-18698] - MapreduceDependencyClasspathTool does not include hbase-server as a dependency
[HBASE-18700] - Document the new changes on mapreduce stuffs
[HBASE-18718] - Document the coprocessor.Export
[HBASE-18721] - Cleanup unused configs and private declaration
[HBASE-18729] - [compat 1-2] The input type of Result#createCompleteResult is changed
[HBASE-18731] - [compat 1-2] Mark protected methods of QuotaSettings that touch Protobuf internals as IA.Private
[HBASE-18732] - [compat 1-2] HBASE-14047 removed Cell methods w/o deprecation cycle
[HBASE-18733] - [compat 1-2] Hide WALKey
[HBASE-18736] - Cleanup the HTD/HCD for Admin
[HBASE-18739] - Make all TimeRange Constructors InterfaceAudience Private.
[HBASE-18747] - Introduce new example and helper classes to tell CP users how to do filtering on scanners
[HBASE-18749] - Apply the CF specific TimeRange from Scan to filter the segment scanner
[HBASE-18750] - Cleanup the docs saying "HTable use write buffer"
[HBASE-18752] - Recalculate the TimeRange in flushing snapshot to store file
[HBASE-18753] - Introduce the unsynchronized TimeRangeTracker
[HBASE-18754] - Get rid of Writable from TimeRangeTracker
[HBASE-18758] - [TEST][compat 1-2] Test delegation tokens continue to work when hbase1 going against hbase2 cluster
[HBASE-18769] - Make CompareFilter use generic CompareOperator instead of internal enum
[HBASE-18770] - Remove bypass method in ObserverContext and implement the 'bypass' logic case by case
[HBASE-18779] - Move CompareOperator to hbase-client module
[HBASE-18780] - Remove HLogPrettyPrinter and hlog command
[HBASE-18786] - FileNotFoundException should not be silently handled for primary region replicas
[HBASE-18793] - Remove deprecated methods in RegionObserver
[HBASE-18794] - Remove deprecated methods in MasterObserver
[HBASE-18797] - Deprecate Filter#filterKeyValue and add Filter#filterCell
[HBASE-18798] - Remove the unused methods in RegionServerObserver
[HBASE-18807] - Remove PB references from Observers for Quotas
[HBASE-18815] - We need to pass something like CompactionRequest in CP to give user some information about the compaction
[HBASE-18819] - Set version number to 2.0.0-alpha3 from 2.0.0-alpha3-SNAPSHOT
[HBASE-18820] - assembly is missing hbase-replication
[HBASE-18821] - Enforcer plugin NPEs again when generating site
[HBASE-18823] - Apply RegionInfo to MasterObserver/RegionObserver/WALObserver
[HBASE-18825] - Use HStoreFile instead of StoreFile in our own code base and remove unnecessary methods in StoreFile interface
[HBASE-18826] - Use HStore instead of Store in our own code base and remove unnecessary methods in Store interface
[HBASE-18828] - [2.0] Generate CHANGES.txt
[HBASE-18839] - Apply RegionInfo to code base
[HBASE-18859] - Purge PB from BulkLoadObserver
[HBASE-18867] - maven enforcer plugin needs update to work with jdk9
[HBASE-18873] - Hide protobufs in GlobalQuotaSettings
[HBASE-18878] - Use Optional<T> return types when T can be null
[HBASE-18905] - Allow CPs to request flush on Region and know the completion of the requested flush
[HBASE-18906] - Provide Region#waitForFlushes API
[HBASE-18909] - Deprecate Admin's methods which used String regex
[HBASE-18911] - Unify Admin and AsyncAdmin's methods name
[HBASE-18912] - Update Admin methods to return Lists instead of arrays
[HBASE-18914] - Remove AsyncAdmin's methods which were already deprecated in Admin interface
[HBASE-18931] - Make ObserverContext an interface and remove private/testing methods
[HBASE-18933] - set version number to 2.0.0-alpha4-SNAPSHOT following release of alpha3
[HBASE-18945] - Make a IA.LimitedPrivate interface for CellComparator
[HBASE-18949] - Remove the CompactionRequest parameter in preCompactSelection
[HBASE-18950] - Remove Optional parameters in AsyncAdmin interface
[HBASE-18951] - Use Builder pattern to remove nullable parameters for checkAndXXX methods in RawAsyncTable/AsyncTable interface
[HBASE-18952] - Remove the Optional(Int) usage in the constructors of HStore
[HBASE-18954] - Make *CoprocessorHost classes private
[HBASE-18957] - add test that confirms 2 FamilyFilters in a FilterList using MUST_PASS_ONE operator will return results that match either of the FamilyFilters and revert as needed to make it pass.
[HBASE-18960] - A few bug fixes and minor improvements around batchMutate()
[HBASE-18961] - doMiniBatchMutate() is big, split it into smaller methods
[HBASE-18962] - Support atomic BatchOperations through batchMutate()
[HBASE-18963] - Remove MultiRowMutationProcessor and implement mutateRows... methods using batchMutate()
[HBASE-18964] - Deprecate RowProcessor and processRowsWithLocks() APIs that take RowProcessor as an argument
[HBASE-18966] - Use non-sync TimeRangeTracker as a replacement for TimeRange in ImmutableSegment
[HBASE-18972] - Use Builder pattern to remove nullable parameters for coprocessor methods in RawAsyncTable interface
[HBASE-18977] - Reenable test of filterlist using MUST_PASS_ONE and two familyfilters
[HBASE-18980] - Address issues found by error-prone in hbase-hadoop2-compat
[HBASE-18981] - Address issues found by error-prone in hbase-client
[HBASE-18989] - Polish the compaction related CP hooks
[HBASE-18995] - Move methods that are for internal usage from CellUtil to Private util class
[HBASE-19000] - Group multiple block cache clear requests per server
[HBASE-19001] - Remove the hooks in RegionObserver which are designed to construct a StoreScanner which is marked as IA.Private
[HBASE-19002] - Introduce more examples to show how to intercept normal region operations
[HBASE-19003] - Make sure all balancer actions respect decommissioned server
[HBASE-19009] - implement modifyTable and enable/disableTableReplication for AsyncAdmin
[HBASE-19010] - Reimplement getMasterInfoPort for Admin
[HBASE-19029] - Align RPC timout methods in Table and AsyncTableBase
[HBASE-19031] - Align exist method in Table and AsyncTable interfaces
[HBASE-19033] - Allow CP users to change versions and TTL before opening StoreScanner
[HBASE-19045] - Deprecate RegionObserver#postInstantiateDeleteTracker
[HBASE-19046] - RegionObserver#postCompactSelection Avoid passing shaded ImmutableList param
[HBASE-19047] - CP exposed Scanner types should not extend Shipper
[HBASE-19048] - Cleanup MasterObserver hooks which takes IA private params
[HBASE-19053] - Split out o.a.h.h.http from hbase-server into a separate module
[HBASE-19057] - Fix other code review comments about FilterList Improvement
[HBASE-19067] - Do not expose getHDFSBlockDistribution in StoreFile
[HBASE-19069] - Do not wrap the original CompactionLifeCycleTracker when calling CP hooks
[HBASE-19070] - temporarily make the mvnsite nightly test non-voting.
[HBASE-19074] - Miscellaneous Observer cleanups
[HBASE-19090] - Add config 'hbase.systemtables.compacting.memstore.type' to hbase-default.xml
[HBASE-19092] - Make Tag IA.LimitedPrivate and expose for CPs
[HBASE-19093] - Check Admin/Table to ensure all operations go via AccessControl
[HBASE-19095] - Add CP hooks in RegionObserver for in memory compaction
[HBASE-19096] - Add RowMutions batch support in AsyncTable
[HBASE-19112] - Suspect methods on Cell to be deprecated
[HBASE-19114] - Split out o.a.h.h.zookeeper from hbase-server and hbase-client
[HBASE-19116] - Currently the tail of hfiles with CellComparator* classname makes it so hbase1 can't open hbase2 written hfiles; fix
[HBASE-19122] - preCompact and preFlush can bypass by returning null scanner; shut it down
[HBASE-19127] - Set State.SPLITTING, MERGING, MERGING_NEW, SPLITTING_NEW properly in RegionStatesNode
[HBASE-19128] - Purge Distributed Log Replay from codebase, configurations, text; mark the feature as unsupported, broken.
[HBASE-19131] - Add the ClusterStatus hook and cleanup other hooks which can be replaced by ClusterStatus hook
[HBASE-19133] - Transfer big cells or upserted/appended cells into MSLAB upon flattening to CellChunkMap
[HBASE-19136] - Set branch-2 version to 2.0.0-alpha4 from 2.0.0-alpha4-SNAPSHOT
[HBASE-19141] - [compat 1-2] getClusterStatus always return empty ClusterStatus
[HBASE-19152] - Update refguide 'how to build an RC' and the make_rc.sh script
[HBASE-19172] - [rolling upgrade] Migrate region state from zk to hbase:meta
[HBASE-19197] - Move version on branch-2 from 2.0.0-alpha4 to 2.0.0-beta-1.SNAPSHOT
[HBASE-19203] - Update Hadoop version used for build to 2.7.4
[HBASE-19212] - Align coprocessor in Table and AsyncTable
[HBASE-19213] - Align check and mutate operations in Table and AsyncTable
[HBASE-19214] - Align scan in Table and AsyncTable
[HBASE-19220] - Async tests time out talking to zk; 'clusterid came back null'
[HBASE-19235] - CoprocessorEnvironment should be exposed to CPs
[HBASE-19242] - Add MOB compact support for AsyncAdmin
[HBASE-19243] - Start mini cluster once before class for TestFIFOCompactionPolicy
[HBASE-19268] - Enable Replica tests that were disabled by Proc-V2 AM in HBASE-14614
[HBASE-19269] - Reenable TestShellRSGroups
[HBASE-19270] - Reenable TestRegionMergeTransactionOnCluster#testMergeWithReplicas disable by HBASE-14614
[HBASE-19272] - Deal with HBCK tests disabled by HBASE-14614 AMv2 when HBCK works again...
[HBASE-19276] - RegionPlan should correctly implement equals and hashCode
[HBASE-19278] - Reenable cleanup in test teardown in TestAccessController3 disabled by HBASE-14614
[HBASE-19282] - CellChunkMap Benchmarking and User Interface
[HBASE-19295] - The Configuration returned by CPEnv should be read-only.
[HBASE-19301] - Provide way for CPs to create short circuited connection with custom configurations
[HBASE-19313] - Call blockUntilConnected when constructing ZKAsyncRegistry(temporary workaround)
[HBASE-19344] - improve asyncWAL by using Independent thread for netty #IO in FanOutOneBlockAsyncDFSOutput
[HBASE-19346] - Use EventLoopGroup to create AsyncFSOutput
[HBASE-19357] - Bucket cache no longer L2 for LRU cache
[HBASE-19359] - Revisit the default config of hbase client retries number
[HBASE-19360] - Remove unused imports from hbase-zookeeper module
[HBASE-19362] - Remove unused imports from hbase-thrift module
[HBASE-19373] - Fix Checkstyle error in hbase-annotations
[HBASE-19375] - Fix import order in hbase-thrift
[HBASE-19399] - Purge curator dependency from hbase-client
[HBASE-19400] - Add missing security checks in MasterRpcServices
[HBASE-19426] - Move has() and setTimestamp() to Mutation
[HBASE-19427] - Add TimeRange support into Append to optimize for counters
[HBASE-19428] - Deprecate the compareTo(Row)
[HBASE-19430] - Remove the SettableTimestamp and SettableSequenceId
[HBASE-19439] - Mark ShortCircuitMasterConnection with InterfaceAudience Private
[HBASE-19462] - Deprecate all addImmutable methods in Put
[HBASE-19468] - FNFE during scans and flushes
[HBASE-19474] - Bring down number of Checkstyle errors in hbase-zookeeper
[HBASE-19479] - Fix Checkstyle error in hbase-shell
[HBASE-19480] - Enable Checkstyle in hbase-annotations
[HBASE-19481] - Enable Checkstyle in hbase-error-prone
[HBASE-19494] - Create simple WALKey filter that can be plugged in on the Replication Sink
[HBASE-19497] - Fix findbugs and error-prone warnings in hbase-common (branch-2)
[HBASE-19498] - Fix findbugs and error-prone warnings in hbase-client (branch-2)
[HBASE-19501] - [AMv2] Retain assignment across restarts
[HBASE-19502] - Make sure we have closed all StoreFileScanners if we fail to open any StoreFileScanners
[HBASE-19505] - Disable ByteBufferPool by default at HM
[HBASE-19527] - Make ExecutorService threads daemon=true.
[HBASE-19538] - Remove unnecessary semicolons in hbase-client
[HBASE-19539] - Remove unnecessary semicolons in hbase-common
[HBASE-19554] - AbstractTestDLS.testThreeRSAbort sometimes fails in pre commit
[HBASE-19556] - Remove TestAssignmentManager#testGoodSplit, which no longer make sense
[HBASE-19566] - Fix Checkstyle errors in hbase-client-project
[HBASE-19567] - ClassNotFoundException: org.apache.hadoop.hbase.KeyValue$RawBytesComparator starting 2.0.0 over a 0.98.25 data.
[HBASE-19575] - add copy constructor to Mutation
[HBASE-19581] - Fix Checkstyle error in hbase-external-blockcache
[HBASE-19591] - Cleanup the usage of ReplicationAdmin from hbase-shell
[HBASE-19602] - Cleanup the usage of ReplicationAdmin from document
[HBASE-19604] - Fix Checkstyle errors in hbase-protocol-shaded
[HBASE-19605] - Fix Checkstyle errors in hbase-metrics-api
[HBASE-19609] - Fix Checkstyle errors in hbase-metrics
[HBASE-19626] - Rename Cell.DataType to Cell.Type
[HBASE-19628] - ByteBufferCell should extend ExtendedCell
[HBASE-19629] - RawCell#getTags should return the Iterator<Tag> in order to avoid iterating through whole tag array at once
[HBASE-19648] - Move branch-2 version from 2.0.0-beta-1-SNAPSHOT to 2.0.0-beta-1
[HBASE-19653] - Reduce the default hbase.client.start.log.errors.counter
[HBASE-19660] - Up default retries from 10 to 15 and blocking store files limit from 10 to 16
[HBASE-19667] - Get rid of MasterEnvironment#supportGroupCPs
[HBASE-19670] - Workaround: Purge User API building from branch-2 so can make a beta-1
[HBASE-19725] - Build fails, unable to read hbase/checkstyle-suppressions.xml "invalid distance too far back"
[HBASE-19731] - TestFromClientSide#testCheckAndDeleteWithCompareOp and testNullQualifier are flakey
[HBASE-19743] - Disable TestMemstoreLABWithoutPool
[HBASE-19746] - Add default impl to Cell#getType
[HBASE-19772] - Do not close connection to zk when there are still pending request in ReadOnlyZKClient
[HBASE-19779] - The chunk encountering the OOM will store in ChunkCreator forever
[HBASE-19786] - acl table is created by coprocessor inside Master start procedure; broke TestJMXConnectorServer
[HBASE-19787] - Fix or disable tests broken in branch-2 so can cut beta-1
[HBASE-19791] - TestZKAsyncRegistry hangs
[HBASE-19793] - Minor improvements on Master/RS startup
[HBASE-19795] - Move the tests which only need zookeeper in TestZooKeeper to hbase-zookeeper module
[HBASE-19803] - False positive for the HBASE-Find-Flaky-Tests job
[HBASE-19809] - Fix findbugs and error-prone warnings in hbase-procedure (branch-2)
[HBASE-19810] - Fix findbugs and error-prone warnings in hbase-metrics (branch-2)
[HBASE-19811] - Fix findbugs and error-prone warnings in hbase-server (branch-2)
[HBASE-19827] - Addendum for Flakey TestAssignmentManager
[HBASE-19834] - Signalling server-hosted-clients to abort retries
[HBASE-19837] - Flakey TestRegionLoad
[HBASE-19839] - Flakey TestMergeTableRegionsProcedure & TestSplitTableRegionProcedure
[HBASE-19840] - Flakey TestMetaWithReplicas
[HBASE-19841] - Tests against hadoop3 fail with StreamLacksCapabilityException
[HBASE-19845] - Fix findbugs and error-prone warnings in hbase-rsgroup (branch-2)
[HBASE-19846] - Fix findbugs and error-prone warnings in hbase-rest (branch-2)
[HBASE-19847] - Fix findbugs and error-prone warnings in hbase-thrift (branch-2)
[HBASE-19862] - Fix TestTokenAuthentication - fake RegionCoprocessorEnvironment is not of type HasRegionServerServices
[HBASE-19866] - TestRegionServerReportForDuty doesn't timeout
[HBASE-19867] - Split TestStochasticLoadBalancer into several small tests
[HBASE-19868] - TestCoprocessorWhitelistMasterObserver is flakey
[HBASE-19870] - Fix the NPE in ReadOnlyZKClient#run
[HBASE-19873] - Add a CategoryBasedTimeout ClassRule for all UTs
[HBASE-19877] - hbase-common and hbase-zookeeper don't add the log4j.properties to the resource path for testing
[HBASE-19879] - Promote TestAcidGuaranteesXXX to LargeTests
[HBASE-19880] - Promote TestFuzzyRowFilterEndToEnd to LargeTests
[HBASE-19881] - Promote TestRegionReplicaReplicationEndpoint to LargeTests
[HBASE-19882] - Promote TestProcedureManager to MediumTests
[HBASE-19885] - Promote TestAssignmentManager to LargeTests
[HBASE-19887] - Do not overwrite the surefire junit listener property in the pom of sub modules
[HBASE-19891] - Up nightly test run timeout from 6 hours to 8
[HBASE-19895] - Add keepDeletedCells option in ScanOptions for customizing scanInfo in pre-hooks
[HBASE-19896] - Fix ScanInfo.customize() to update only the requested options
[HBASE-19903] - Split TestShell so it will not time out
[HBASE-19908] - TestCoprocessorShortCircuitRPC Timeout....
[HBASE-19909] - TestRegionLocationFinder Timeout
[HBASE-19910] - TestBucketCache TimesOut
[HBASE-19911] - Convert some tests from small to medium because they are timing out: TestNettyRpcServer, TestClientClusterStatus, TestCheckTestClasses
[HBASE-19913] - Split TestStochasticLoadBalancer2
[HBASE-19914] - Refactor TestVisibilityLabelsOnNewVersionBehaviorTable
[HBASE-19916] - TestCacheOnWrite Times Out
[HBASE-19918] - Promote TestAsyncClusterAdminApi to LargeTests
[HBASE-19927] - TestFullLogReconstruction flakey
[HBASE-19928] - TestVisibilityLabelsOnNewVersionBehaviorTable fails
[HBASE-19931] - TestMetaWithReplicas failing 100% of the time in testHBaseFsckWithMetaReplicas
[HBASE-19940] - TestMetaShutdownHandler flakey
[HBASE-19942] - Fix flaky TestSimpleRpcScheduler
[HBASE-19944] - Fix timeout TestVisibilityLabelsWithCustomVisLabService
[HBASE-19951] - Cleanup the explicit timeout value for test method
[HBASE-19956] - Remove category as a consideration timing out tests; set all test to timeout at 10minutes regardless
[HBASE-19960] - Doc test timeouts and test categories in hbase2
[HBASE-19965] - Fix flaky TestAsyncRegionAdminApi
[HBASE-19978] - The keepalive logic is incomplete in ProcedureExecutor
[HBASE-20000] - Remove the quantum logic in FairQueue, always put high priority queue in front
[HBASE-20002] - Reserve worker thread in ProcedureExecutor for high priority procedures
[HBASE-20011] - Disable TestRestoreSnapshotFromClientWithRegionReplicas; it is flakey. Needs attention.
[HBASE-20013] - TestZKPermissionWatcher is flakey
[HBASE-20014] - TestAdmin1 Times out
[HBASE-20015] - TestMergeTableRegionsProcedure and TestRegionMergeTransactionOnCluster flakey
[HBASE-20019] - Document the ColumnValueFilter
[HBASE-20021] - TestFromClientSideWithCoprocessor is flakey
[HBASE-20029] - @Ignore TestQuotaThrottle and TestReplicasClient#testCancelOfMultiGet
[HBASE-20035] - .TestQuotaStatusRPCs.testQuotaStatusFromMaster failed with NPEs and RuntimeExceptions
[HBASE-20036] - TestAvoidCellReferencesIntoShippedBlocks timed out
[HBASE-20038] - TestLockProcedure.testTimeout is flakey
[HBASE-20039] - move testhbasetestingutility mr tests to hbase-mapreduce
[HBASE-20041] - cannot start mini mapreduce cluster for ITs
[HBASE-20044] - TestClientClusterStatus is flakey
[HBASE-20048] - Revert serial replication feature
[HBASE-20059] - Make sure documentation is updated for the offheap Bucket cache usage
[HBASE-20069] - fix existing findbugs errors in hbase-server
[HBASE-20083] - Fix findbugs error for ReplicationSyncUp
[HBASE-20100] - TestEnableTableProcedure flakey
[HBASE-20113] - Move branch-2 version from 2.0.0-beta-2-SNAPSHOT to 2.0.0-beta-2
[HBASE-20131] - NPE in MoveRegionProcedure via IntegrationTestLoadAndVerify with CM
[HBASE-20142] - Copy master doc into branch-2 and edit to make it suit 2.0.0
[HBASE-20149] - Purge dev javadoc from bin tarball (or make a separate tarball of javadoc)
[HBASE-20173] - [AMv2] DisableTableProcedure concurrent to ServerCrashProcedure can deadlock
[HBASE-20178] - [AMv2] Throw exception if hostile environment
[HBASE-20180] - Avoid Class::newInstance
[HBASE-20190] - Fix default for MIGRATE_TABLE_STATE_FROM_ZK_KEY
[HBASE-20202] - [AMv2] Don't move region if its a split parent or offlined
[HBASE-20232] - [LOGGING] Formatting around close and flush
[HBASE-20240] - CLONE - Add Per-Table metrics back
[HBASE-20241] - splitormerge_enabled does not work
[HBASE-20245] - HTrace commands do not work
[HBASE-20247] - Set version as 2.0.0 in branch-2.0 in prep for first RC
[HBASE-20248] - [ITBLL] UNREFERENCED rows
[HBASE-20253] - Error message is missing for restore_snapshot
[HBASE-20254] - Incorrect help message for merge_region
[HBASE-20258] - Shell hangs when scanning a disabled table
[HBASE-20276] - [shell] Revert shell REPL change and document
[HBASE-20287] - After cluster startup list_regions command fails on disabled table
[HBASE-20298] - Doc change in read/write/total accounting metrics
[HBASE-20319] - Run a check that branch-2.0 has all it needs from branch-2
[HBASE-20337] - Update the doc on how to setup shortcircuit reads; its stale
[HBASE-20347] - [DOC] upgrade section should warn about logging changes
[HBASE-20349] - [DOC] upgrade guide should call out removal of prefix-tree data block encoding
[HBASE-20354] - [DOC] quickstart guide needs to include note about durability checks for standalone mode
[HBASE-20380] - Put up 2.0.0RC0
[HBASE-20454] - [DOC] Add note on perf to upgrade section

Bug

[HBASE-1989] - Admin (et al.) not accurate with Column vs. Column-Family usage
[HBASE-4072] - Deprecate/disable and remove support for reading ZooKeeper zoo.cfg files from the classpath
[HBASE-5401] - PerformanceEvaluation generates 10x the number of expected mappers
[HBASE-5878] - Use getVisibleLength public api from HdfsDataInputStream from Hadoop-2.
[HBASE-6416] - hbck dies on NPE when a region folder exists but the table does not
[HBASE-6778] - Deprecate Chore; its a thread per task when we should have one thread to do all tasks
[HBASE-7326] - SortedCopyOnWriteSet is not thread safe due to leaked TreeSet implementations
[HBASE-7332] - [webui] HMaster webui should display the number of regions a table has.
[HBASE-7621] - REST client (RemoteHTable) doesn't support binary row keys
[HBASE-8028] - Append, Increment: Adding rollback support
[HBASE-8473] - add note to ref guide about snapshots and ec2 reverse dns requirements.
[HBASE-8674] - JUnit and Surefire TRUNK-HBASE-2 plugins need a new home
[HBASE-8725] - Add total time RPC call metrics
[HBASE-8758] - Error in RegionCoprocessorHost class preScanner method documentation.
[HBASE-8942] - DFS errors during a read operation (get/scan), may cause write outliers
[HBASE-9393] - Region Server fails to properly close socket resulting in many CLOSE_WAIT to Data Nodes
[HBASE-9702] - Change unittests that use "table" or "testtable" to use method names.
[HBASE-9763] - Scan javadoc doesn't fully capture semantics of start and stop row
[HBASE-10728] - get_counter value is never used.
[HBASE-10844] - Coprocessor failure during batchmutation leaves the memstore datastructs in an inconsistent state
[HBASE-11153] - Document that http webUI's should redirect to https when enabled
[HBASE-11316] - Expand info about compactions beyond HBASE-11120
[HBASE-11333] - Remove deprecated class MetaMigrationConvertingToPB
[HBASE-11409] - Add more flexibility for input directory structure to LoadIncrementalHFiles
[HBASE-11499] - AsyncProcess.buildDetailedErrorMessage concatenates strings using + in a loop
[HBASE-11500] - Possible null pointer dereference of regionLocation in ReversedScannerCallable
[HBASE-11521] - Modify pom.xml to copy the images/ and css/ directories to the right location for the Ref Guide to see them correctly
[HBASE-11522] - Move Replication information into the Ref Guide
[HBASE-11529] - Images and CSS still don't work properly on both html and html-single book
[HBASE-11539] - Expand info about contributing to and building documentation
[HBASE-11542] - Unit Test KeyStoreTestUtil.java compilation failure in IBM JDK
[HBASE-11544] - [Ergonomics] hbase.client.scanner.caching is dogged and will try to return batch even if it means OOME
[HBASE-11556] - Move HTablePool to hbase-thrift module.
[HBASE-11560] - hbase.regionserver.global.memstore.size is documented twice
[HBASE-11625] - Reading datablock throws "Invalid HFile block magic" and can not switch to hdfs checksum
[HBASE-11629] - Operational concerns for Replication should call out ZooKeeper
[HBASE-11640] - Add syntax highlighting support to HBase Ref Guide programlistings
[HBASE-11648] - Typo of config: hbase.hstore.compaction.ratio in book.xml
[HBASE-11658] - Piped commands to hbase shell should return non-zero if shell command failed.
[HBASE-11661] - Quickstart chapter claims standalone mode has multiple processes
[HBASE-11665] - TestRegionReplicas doesn't work for me
[HBASE-11689] - Track meta in transition
[HBASE-11711] - In some environment HBase MiniCluster fails to load because Master info port clobbering
[HBASE-11721] - jdiff script no longer works as usage instructions indicate
[HBASE-11732] - Should not preemptively offline a region
[HBASE-11830] - TestReplicationThrottler.testThrottling failed on virtual boxes
[HBASE-11834] - TestHRegionBusyWait.testParallelAppendWithMemStoreFlush fails sporadically
[HBASE-11850] - RpcClient can get stuck when closing
[HBASE-11855] - HBase handbook chapter 18.9 out of date
[HBASE-11957] - Backport to 0.94 HBASE-5974 Scanner retry behavior with RPC timeout on next() seems incorrect
[HBASE-11968] - If MOB is enabled, it should make sure hfile v3 is being used.
[HBASE-11983] - HRegion constructors should not create HLog
[HBASE-11987] - Make zk-less table states backward compatible.
[HBASE-11998] - Document a workflow for cherry-picking a fix to a different branch
[HBASE-12005] - Split/merge fails if master restarts before PONR
[HBASE-12006] - [JDK 8] KeyStoreTestUtil#generateCertificate fails due to "subject class type invalid"
[HBASE-12027] - The ZooKeeperWatcher in HMobStore only uses the default conf
[HBASE-12030] - Wrong compaction report and assert when MOB compaction switches to minor
[HBASE-12073] - Shell command user_permission fails on the table created by user if he is not global admin.
[HBASE-12088] - Remove un-used profiles in non-root poms
[HBASE-12091] - Optionally ignore edits for dropped tables for replication.
[HBASE-12102] - Duplicate keys in HBase.RegionServer metrics JSON
[HBASE-12172] - Disable flakey TestRegionReplicaReplicationEndpoint and make fixing it a blocker on 1.0
[HBASE-12186] - Formatting error in Table 8.2. Examples of Visibility Expressions
[HBASE-12192] - Remove EventHandlerListener
[HBASE-12193] - Add missing docbook file to git
[HBASE-12201] - Close the writers in the MOB sweep tool
[HBASE-12216] - Lower closed region logging level
[HBASE-12283] - Clean up some checkstyle errors
[HBASE-12307] - Remove unused Imports in hbase-client and hbase-common
[HBASE-12326] - Document scanner timeout workarounds in troubleshooting section
[HBASE-12347] - Fix the edge case where Hadoop QA's parsing of attached patches breaks the JIRA status checker in dev-support/rebase_all_git_branches.sh
[HBASE-12380] - TestRegionServerNoMaster#testMultipleOpen is flaky after HBASE-11760
[HBASE-12397] - CopyTable fails to compile with the Hadoop 1 profile
[HBASE-12409] - Add actual tunable parameters for finding optimal # of regions per RS
[HBASE-12412] - update the ref guide(currently Example 10.2) to show "update an existing CF" with the new API modifyFamily in master
[HBASE-12413] - Mismatch in the equals and hashcode methods of KeyValue
[HBASE-12418] - Multiple branches for MOB feature breaking git for case insensitive filesystems
[HBASE-12421] - Clarify ACL concepts and best practices
[HBASE-12444] - Total number of requests overflow because it's int
[HBASE-12468] - AUTHORIZATIONS should be part of Visibility Label Docs
[HBASE-12474] - Incorrect handling of default namespace in user_permission command.
[HBASE-12488] - Small bug in publish_hbase_website.sh script
[HBASE-12532] - TestFilter failing occasionally with ExitCodeException doing chmod since HBASE-10378
[HBASE-12535] - NPE in WALFactory close under contention for getInstance
[HBASE-12540] - TestRegionServerMetrics#testMobMetrics test failure
[HBASE-12542] - Delete a family of table online will crash regionserver
[HBASE-12548] - Improve debuggability of IntegrationTestTimeBoundedRequestsWithRegionReplicas
[HBASE-12552] - listSnapshots should list only owned snapshots for non-super user
[HBASE-12553] - request value is not consistent for restoreSnapshot in audit logs
[HBASE-12558] - Disable TestHCM.testClusterStatus Unexpected exception, expected<org.apache.hadoop.hbase.regionserver.RegionServerStoppedException> but was<junit.framework.AssertionFailedError>
[HBASE-12563] - After Starting up mini hbase cluster, Real Configuration of Cluster never set to HBaseTestingUtility
[HBASE-12603] - Remove javadoc warnings introduced due to removal of unused imports
[HBASE-12612] - WALFactory use in upgrade path must clean up properly
[HBASE-12615] - Document GC conserving guidelines for contributors
[HBASE-12628] - Update instructions for running shell tests using maven.
[HBASE-12656] - TestVisibilityLabelsWithDeletes is flaky
[HBASE-12677] - Update replication docs to clarify terminology
[HBASE-12682] - compaction thread throttle value is not correct in hbase-default.xml
[HBASE-12687] - Book is missing styling
[HBASE-12688] - Update site with a bootstrap-based UI
[HBASE-12690] - list_quotas command is failing with not able to load Java class
[HBASE-12693] - [docs] nit fix in HBase and MapReduce section
[HBASE-12703] - Cleanup TestClientPushback for repeatability
[HBASE-12717] - Pre-split algorithm in HBaseAdmin.create() can not find the split point
[HBASE-12723] - Update ACL matrix to reflect reality
[HBASE-12734] - TestPerColumnFamilyFlush.testCompareStoreFileCount is flakey
[HBASE-12743] - [ITBLL] Master fails rejoining cluster stuck splitting logs; Distributed log replay=true
[HBASE-12749] - Tighten HFileLink api to enable non-snapshot uses
[HBASE-12751] - Allow RowLock to be reader writer
[HBASE-12772] - TestPerColumnFamilyFlush failing
[HBASE-12775] - CompressionTest ate my HFile (sigh!)
[HBASE-12777] - Multi-page book has broken links that work in the single-page version
[HBASE-12838] - After HBASE-5162 RSRpcServices accidentally applies mutations twice
[HBASE-12845] - ByteBufferOutputStream should grow as direct buffer if the initial buffer is also direct BB
[HBASE-12849] - LoadIncrementalHFiles should use unmanaged connection in branch-1
[HBASE-12858] - Remove unneeded files under src/main/docbkx
[HBASE-12865] - WALs may be deleted before they are replicated to peers
[HBASE-12867] - Shell does not support custom replication endpoint specification
[HBASE-12871] - Document JDK versions supported by each release missing in new documentation
[HBASE-12877] - Hbase documentation- a referenced link is not working
[HBASE-12902] - Post-asciidoc conversion fix-ups
[HBASE-12903] - Fix configuration which enables secure bulk load
[HBASE-12908] - Typos in MemStoreFlusher javadocs
[HBASE-12920] - hadoopqa should compile with different hadoop versions
[HBASE-12922] - Post-asciidoc conversion fix-ups part 2
[HBASE-12924] - HRegionServer#MovedRegionsCleaner Chore does not start
[HBASE-12931] - The existing KeyValues in memstore are not removed completely after inserting cell into memStore
[HBASE-12948] - Calling Increment#addColumn on the same column multiple times produces wrong result
[HBASE-12949] - Scanner can be stuck in infinite loop if the HFile is corrupted
[HBASE-12951] - TestHCM.testConnectionClose is flakey when using AsyncRpcClient as client implementation
[HBASE-12953] - RegionServer is not functionally working with AysncRpcClient in secure mode
[HBASE-12954] - Ability impaired using HBase on multihomed hosts
[HBASE-12961] - Negative values in read and write region server metrics
[HBASE-12964] - Add the ability for hbase-daemon.sh to start in the foreground
[HBASE-12969] - Parameter Validation is not there for shell script, local-master-backup.sh and local-regionservers.sh
[HBASE-12983] - HBase book mentions hadoop.ssl.enabled when it should be hbase.ssl.enabled
[HBASE-12993] - Use HBase 1.0 interfaces in hbase-thrift
[HBASE-12999] - Make foreground_start return the correct exit code
[HBASE-13001] - NullPointer in master logs for table.jsp
[HBASE-13004] - Make possible to explain why HBaseTestingUtility.waitFor fails
[HBASE-13007] - Fix the test timeouts being caused by ChoreService
[HBASE-13011] - TestLoadIncrementalHFiles is flakey when using AsyncRpcClient as client implementation
[HBASE-13023] - Document multiWAL
[HBASE-13029] - Table state should be deleted from META as a last operation in DeleteTableHandler
[HBASE-13032] - Migration of states should be performed once META is assigned and onlined.
[HBASE-13036] - Meta scanner should use its own threadpool
[HBASE-13040] - Possible failure of TestHMasterRPCException
[HBASE-13041] - TestEnableTableHandler should not call AssignmentManager#assign concurrently with master
[HBASE-13047] - Add "HBase Configuration" link missing on the table details pages
[HBASE-13048] - Use hbase.crypto.wal.algorithm in SecureProtobufLogReader while decrypting the data
[HBASE-13049] - wal_roll ruby command doesn't work.
[HBASE-13050] - Hbase shell create_namespace command throws ArrayIndexOutOfBoundException for (invalid) empty text input.
[HBASE-13052] - Explain each region split policy
[HBASE-13055] - HRegion FIXED_OVERHEAD missed one boolean
[HBASE-13058] - Hbase shell command 'scan' for non existent table shows unnecessary info for one unrelated existent table.
[HBASE-13061] - RegionStates can remove wrong region from server holdings
[HBASE-13062] - Add documentation coverage for configuring dns server with thrift and rest gateways
[HBASE-13065] - Increasing -Xmx when running TestDistributedLogSplitting
[HBASE-13066] - Fix typo in AsyncRpcChannel
[HBASE-13069] - Thrift Http Server returns an error code of 500 instead of 401 when authentication fails
[HBASE-13070] - Fix possibly zero length family and qualifier is TestCacheOnWrite
[HBASE-13072] - BucketCache.evictBlock returns true if block does not exist
[HBASE-13075] - TableInputFormatBase spuriously warning about multiple initializeTable calls
[HBASE-13076] - Table can be forcibly enabled in AssignmentManager during table disabling.
[HBASE-13077] - BoundedCompletionService doesn't pass trace info to server
[HBASE-13081] - Branch precommit builds are not updating to branch head before patch application
[HBASE-13082] - Coarsen StoreScanner locks to RegionScanner
[HBASE-13083] - Master can be dead-locked while assigning META.
[HBASE-13084] - Add labels to VisibilityLabelsCache asynchronously causes TestShell flakey
[HBASE-13085] - Security issue in the implementation of Rest gataway 'doAs' proxy user support
[HBASE-13088] - HBase native API was not released
[HBASE-13091] - Split ZK Quorum on Master WebUI
[HBASE-13093] - Local mode HBase instance doesn't shut down.
[HBASE-13097] - Use same EventLoopGroup for different AsyncRpcClients if possible
[HBASE-13102] - Fix Pseudo-distributed Mode which was broken in 1.0.0
[HBASE-13111] - truncate_preserve command is failing with undefined method error
[HBASE-13112] - quota.rb, security.rb and visibility_labels.rb leak connection
[HBASE-13114] - [UNITTEST] TestEnableTableHandler.testDeleteForSureClearsAllTableRowsFromMeta
[HBASE-13115] - Fix the usage of remote user in thrift doAs implementation.
[HBASE-13119] - FileLink should implement equals
[HBASE-13123] - Minor bug in ROW bloom filter
[HBASE-13131] - ReplicationAdmin leaks connections if there's an error in the constructor
[HBASE-13133] - NPE when running TestSplitLogManager
[HBASE-13134] - mutateRow and checkAndMutate apis don't throw region level exceptions
[HBASE-13135] - Move replication ops mgmt stuff from Javadoc to Ref Guide
[HBASE-13136] - TestSplitLogManager.testGetPreviousRecoveryMode is flakey
[HBASE-13139] - Clean up missing JAVA_HOME message in bin/hbase-config.sh
[HBASE-13141] - IntegrationTestAcidGuarantees returns incorrect values for getColumnFamilies
[HBASE-13143] - TestCacheOnWrite is flaky and needs a diet
[HBASE-13145] - TestNamespaceAuditor.testRegionMerge is flaky
[HBASE-13146] - Race Condition in ScheduledChore and ChoreService
[HBASE-13149] - HBase MR is broken on Hadoop 2.5+ Yarn
[HBASE-13150] - TestMasterObserver failing disable table at end of test
[HBASE-13155] - Fix TestPrefixTree
[HBASE-13156] - Fix minor rat violation recently introduced (asciidoctor.css).
[HBASE-13163] - Add HBase version to header and footer of HTML and PDF docs
[HBASE-13165] - Fix docs and scripts for default max heaps size after HBASE-11804
[HBASE-13167] - The check for balancerCutoffTime is buggy
[HBASE-13174] - Apply HBASE-11804 to Windows scripts
[HBASE-13176] - Flakey TestZooKeeper test.
[HBASE-13181] - TestHRegionReplayEvents.testReplayBulkLoadEvent fails frequently.
[HBASE-13186] - HBase build error due to checkstyle
[HBASE-13188] - java.lang.ArithmeticException issue in BoundedByteBufferPool.putBuffer
[HBASE-13191] - mvn site fails on jenkins due to permgen
[HBASE-13192] - IntegrationTestBulkLoad doesn't wait for table modification sometimes leading to spurious test failures
[HBASE-13193] - RegionScannerImpl filters should not be reset if a partial Result is returned
[HBASE-13194] - TableNamespaceManager not ready cause MasterQuotaManager initialization fail
[HBASE-13196] - Add info about default number of versions when using the export tool
[HBASE-13200] - Improper configuration can leads to endless lease recovery during failover
[HBASE-13206] - Fix TableLock tableName log format
[HBASE-13208] - Patch build should match the patch filename and not the whole relative URL in findBranchNameFromPatchName
[HBASE-13217] - Procedure fails due to ZK issue
[HBASE-13218] - Correct the syntax shown for using ExportSnapshot tool in the book
[HBASE-13220] - set_quota should fail for non-existing table and namespace
[HBASE-13221] - HDFS Transparent Encryption breaks WAL writing in Hadoop 2.6.0
[HBASE-13224] - Minor formatting issue when logging a namespace scope in AuthResult#toContextString
[HBASE-13227] - LoadIncrementalHFile should skip non-files inside a possible family-dir
[HBASE-13229] - Specify bash for local-regionservers.sh and local-master-backup.sh
[HBASE-13232] - ConnectionManger : Batch pool threads and metaLookup pool threads should use different name pattern
[HBASE-13239] - HBase grant at specific column level does not work for Groups
[HBASE-13242] - TestPerColumnFamilyFlush.testFlushingWhenLogRolling hung
[HBASE-13246] - Correct the assertion for namespace permissions in tearDown method of TestAccessController
[HBASE-13250] - chown of ExportSnapshot does not cover all path and files
[HBASE-13253] - LoadIncrementalHFiles unify hfiles discovery
[HBASE-13254] - EnableTableHandler#prepare would not throw TableNotFoundException during recovery
[HBASE-13262] - ResultScanner doesn't return all rows in Scan
[HBASE-13265] - Make thrift2 usable from c++
[HBASE-13273] - Make Result.EMPTY_RESULT read-only; currently it can be modified
[HBASE-13274] - Fix misplaced deprecation in Delete#addXYZ
[HBASE-13275] - Setting hbase.security.authorization to false does not disable authorization
[HBASE-13279] - Add src/main/asciidoc/asciidoctor.css to RAT exclusion list in POM
[HBASE-13281] - 'hbase.bucketcache.size' description in hbase book is not correct
[HBASE-13282] - Fix the minor issues of running Canary on kerberized environment
[HBASE-13285] - Fix flaky getRegions() in TestAccessController.setUp()
[HBASE-13288] - Fix naming of parameter in Delete constructor
[HBASE-13289] - typo in splitSuccessCount metric
[HBASE-13294] - Fix the critical ancient loopholes in security testing infrastructure.
[HBASE-13295] - TestInfoServers hang
[HBASE-13296] - Fix the deletion of acl notify nodes for namespace.
[HBASE-13298] - Clarify if Table.{set|get}WriteBufferSize() is deprecated or not
[HBASE-13299] - Add setReturnResults() to Increment, like Append has
[HBASE-13300] - Fix casing in getTimeStamp() and setTimestamp() for Mutations
[HBASE-13301] - Possible memory leak in BucketCache
[HBASE-13305] - Get(Get get) is not copying the row key
[HBASE-13308] - Fix flaky TestEndToEndSplitTransaction
[HBASE-13309] - Some tests do not reset EnvironmentEdgeManager
[HBASE-13311] - TestQuotaThrottle flaky on slow machine
[HBASE-13312] - SmallScannerCallable does not increment scan metrics
[HBASE-13314] - Fix NPE in HMaster.getClusterStatus()
[HBASE-13315] - BufferedMutator should be @InterfaceAudience.Public
[HBASE-13317] - Region server reportForDuty stuck looping if there is a master change
[HBASE-13318] - RpcServer.getListenerAddress should handle when the accept channel is closed
[HBASE-13320] - 'hbase.bucketcache.size' configuration value is not correct in hbase-default.xml
[HBASE-13321] - Fix flaky TestHBaseFsck
[HBASE-13324] - o.a.h.h.Coprocessor should be LimitedPrivate("Coprocessor")
[HBASE-13325] - Protocol Buffers 2.5 no longer available for download on code.google.com
[HBASE-13326] - Disabled table can't be enabled after HBase is restarted
[HBASE-13328] - LoadIncrementalHFile.doBulkLoad(Path,HTable) should handle managed connections
[HBASE-13329] - ArrayIndexOutOfBoundsException in CellComparator#getMinimumMidpointArray
[HBASE-13331] - Exceptions from DFS client can cause CatalogJanitor to delete referenced files
[HBASE-13333] - Renew Scanner Lease without advancing the RegionScanner
[HBASE-13337] - Table regions are not assigning back, after restarting all regionservers at once.
[HBASE-13339] - Update default Hadoop version to latest for master
[HBASE-13346] - Clean up Filter package for post 1.0 s/KeyValue/Cell/g
[HBASE-13352] - Add hbase.import.version to Import usage.
[HBASE-13355] - QA bot reports checking javac twice
[HBASE-13357] - If maxTables/maxRegions exceeds quota in a namespace, throw QuotaExceededException
[HBASE-13359] - Update ACL matrix to include table owner.
[HBASE-13364] - Make using the default javac on by default
[HBASE-13368] - Hash.java is declared as public Interface - but it should be Private
[HBASE-13371] - Fix typo in TestAsyncIPC
[HBASE-13374] - Small scanners (with particular configurations) do not return all rows
[HBASE-13377] - Canary may generate false alarm on the first region when there are many delete markers
[HBASE-13382] - IntegrationTestBigLinkedList should use SecureRandom
[HBASE-13383] - TestRegionServerObserver.testCoprocessorHooksInRegionsMerge zombie after HBASE-12975
[HBASE-13384] - Fix Javadoc warnings introduced by HBASE-12972
[HBASE-13385] - TestGenerateDelegationToken is broken with hadoop 2.8.0
[HBASE-13388] - Handling NullPointer in ZKProcedureMemberRpcs while getting ZNode data
[HBASE-13394] - Failed to recreate a table when quota is enabled
[HBASE-13397] - Purge duplicate rpc request thread local
[HBASE-13406] - TestAccessController is flaky when create is slow
[HBASE-13409] - Add categories to uncategorized tests
[HBASE-13410] - Bug in KeyValueUtil.oswrite() for non Keyvalue cases
[HBASE-13411] - Misleading error message when request size quota limit exceeds
[HBASE-13414] - TestHCM no longer needs to test for JRE 6.
[HBASE-13417] - batchCoprocessorService() does not handle NULL keys
[HBASE-13423] - Remove duplicate entry for hbase.regionserver.regionSplitLimit in hbase-default.xml
[HBASE-13430] - HFiles that are in use by a table cloned from a snapshot may be deleted when that snapshot is deleted
[HBASE-13437] - ThriftServer leaks ZooKeeper connections
[HBASE-13457] - SnapshotExistsException doesn't honor the DoNotRetry
[HBASE-13460] - Revise the MetaLookupPool executor-related defaults (introduced in HBASE-13036)
[HBASE-13471] - Fix a possible infinite loop in doMiniBatchMutation
[HBASE-13473] - deleted cells come back alive after the stripe compaction
[HBASE-13475] - Small spelling mistake in region_mover#isSuccessfulScan causes NoMethodError
[HBASE-13477] - Create metrics on failed requests
[HBASE-13480] - ShortCircuitConnection doesn't short-circuit all calls as expected
[HBASE-13482] - Phoenix is failing to scan tables on secure environments.
[HBASE-13486] - region_status.rb broken with NameError: uninitialized constant IOException
[HBASE-13490] - foreground daemon start re-executes ulimit output
[HBASE-13491] - Issue in FuzzyRowFilter#getNextForFuzzyRule
[HBASE-13499] - AsyncRpcClient test cases failure in powerpc
[HBASE-13517] - Publish a client artifact with shaded dependencies
[HBASE-13520] - NullPointerException in TagRewriteCell
[HBASE-13523] - API Doumentation formatting is broken
[HBASE-13524] - TestReplicationAdmin fails on JDK 1.8
[HBASE-13526] - TestRegionServerReportForDuty can be flaky: hang or timeout
[HBASE-13527] - The default value for hbase.client.scanner.max.result.size is never actually set on Scans
[HBASE-13528] - A bug on selecting compaction pool
[HBASE-13533] - section on configuring ~/.m2/settings.xml has no anchor
[HBASE-13546] - NPE on region server status page if all masters are down
[HBASE-13555] - StackServlet produces 500 error
[HBASE-13556] - In assignment, treat system tables as 'special'; assign after hbase:meta and before user-space tables
[HBASE-13560] - Large compaction queue should steal from small compaction queue when idle
[HBASE-13561] - ITBLL.Verify doesn't actually evaluate counters after job completes
[HBASE-13564] - Master MBeans are not published
[HBASE-13575] - TestChoreService has to make sure that the opened ChoreService is closed for each unit test
[HBASE-13576] - HBCK enhancement: Failure in checking one region should not fail the entire HBCK operation.
[HBASE-13577] - Documentation is pointing to wrong port for Master Web UI
[HBASE-13580] - region_mover.rb broken with TypeError: no public constructors for Java::OrgApacheHadoopHbaseClient::HTable
[HBASE-13585] - HRegionFileSystem#splitStoreFile() finishes without closing the file handle in some situation
[HBASE-13589] - [WINDOWS] hbase.cmd script is broken
[HBASE-13594] - MultiRowRangeFilter shouldn't call HBaseZeroCopyByteString.wrap() directly
[HBASE-13595] - Fix Javadoc warn induced in Bytes.java
[HBASE-13596] - src assembly does not build
[HBASE-13599] - The Example Provided in Section 69: Examples of the Documentation Does Not Compile
[HBASE-13600] - check_compatibility.sh should ignore shaded jars
[HBASE-13601] - Connection leak during log splitting
[HBASE-13604] - bin/hbase mapredcp does not include yammer-metrics jar
[HBASE-13606] - AssignmentManager.assign() is not sync in both path
[HBASE-13607] - TestSplitLogManager.testGetPreviousRecoveryMode consistently failing
[HBASE-13608] - 413 Error with Stargate through Knox, using AD, SPNEGO, and Pre-Auth
[HBASE-13611] - update clover to work for current versions
[HBASE-13612] - TestRegionFavoredNodes doesn't guard against setup failure
[HBASE-13617] - TestReplicaWithCluster.testChangeTable timeout
[HBASE-13618] - ReplicationSource is too eager to remove sinks
[HBASE-13625] - Use HDFS for HFileOutputFormat2 partitioner's path
[HBASE-13628] - Use AtomicLong as size in BoundedConcurrentLinkedQueue
[HBASE-13630] - Remove dead code in BufferedDataEncoder
[HBASE-13633] - draining_servers.rb broken with NoMethodError: undefined method 'getServerInfo'
[HBASE-13634] - Avoid unsafe reference equality checks to EMPTY byte[]
[HBASE-13635] - Regions stuck in transition because master is incorrectly assumed dead
[HBASE-13638] - Put copy constructor is shallow
[HBASE-13646] - HRegion#execService should not try to build incomplete messages
[HBASE-13647] - Default value for hbase.client.operation.timeout is too high
[HBASE-13648] - test-patch.sh should ignore 'protobuf.generated'
[HBASE-13649] - CellComparator.compareTimestamps javadoc inconsistent and wrong
[HBASE-13651] - Handle StoreFileScanner FileNotFoundException
[HBASE-13653] - Uninitialized HRegionServer#walFactory may result in NullPointerException at region server startup
[HBASE-13661] - Correct binary compatibility issues discovered in 1.1.0RC0
[HBASE-13662] - RSRpcService.scan() throws an OutOfOrderScannerNext if the scan has a retriable failure
[HBASE-13663] - HMaster fails to restart 'HMaster: Failed to become active master'
[HBASE-13668] - TestFlushRegionEntry is flaky
[HBASE-13686] - Fail to limit rate in RateLimiter
[HBASE-13693] - [HBase MOB] Mob files are not encrypting.
[HBASE-13694] - CallQueueSize is incorrectly decremented until the response is sent
[HBASE-13699] - Expand information about HBase quotas
[HBASE-13700] - Allow Thrift2 HSHA server to have configurable threads
[HBASE-13703] - ReplicateContext should not be a member of ReplicationSource
[HBASE-13704] - Hbase throws OutOfOrderScannerNextException when MultiRowRangeFilter is used
[HBASE-13706] - CoprocessorClassLoader should not exempt Hive classes
[HBASE-13709] - Updates to meta table server columns may be eclipsed
[HBASE-13711] - Provide an API to set min and max versions in HColumnDescriptor
[HBASE-13717] - TestBoundedRegionGroupingProvider#setMembershipDedups need to set HDFS diretory for WAL
[HBASE-13719] - Asynchronous scanner -- cache size-in-bytes bug fix
[HBASE-13721] - Improve shell scan performances when using LIMIT
[HBASE-13722] - Avoid non static method from BloomFilterUtil
[HBASE-13723] - In table.rb scanners are never closed.
[HBASE-13729] - Old hbase.regionserver.global.memstore.upperLimit and lowerLimit properties are ignored if present
[HBASE-13731] - TestReplicationAdmin should clean up MiniZKCluster resource
[HBASE-13732] - TestHBaseFsck#testParallelWithRetriesHbck fails intermittently
[HBASE-13733] - Failed MiniZooKeeperCluster startup did not shutdown ZK servers
[HBASE-13734] - Improper timestamp checking with VisibilityScanDeleteTracker
[HBASE-13737] - [HBase MOB] MOBTable cloned from a snapshot leads to data loss, when that actual snapshot and main table is deleted.
[HBASE-13741] - Disable TestRegionObserverInterface#testRecovery and testLegacyRecovery
[HBASE-13744] - TestCorruptedRegionStoreFile is flaky
[HBASE-13746] - list_replicated_tables command is not listing table in hbase shell.
[HBASE-13760] - Cleanup Findbugs keySet iterator warnings
[HBASE-13767] - Allow ZKAclReset to set and not just clear ZK ACLs
[HBASE-13768] - ZooKeeper znodes are bootstrapped with insecure ACLs in a secure configuration
[HBASE-13770] - Programmatic JAAS configuration option for secure zookeeper may be broken
[HBASE-13776] - Setting illegal versions for HColumnDescriptor does not throw IllegalArgumentException
[HBASE-13777] - Table fragmentation display triggers NPE on master status page
[HBASE-13778] - BoundedByteBufferPool incorrectly increasing runningAverage buffer length
[HBASE-13779] - Calling table.exists() before table.get() end up with an empty Result
[HBASE-13789] - ForeignException should not be sent to the client
[HBASE-13792] - Regionserver unable to report to master when master is restarted
[HBASE-13796] - ZKUtil doesn't clean quorum setting properly
[HBASE-13797] - Fix resource leak in HBaseFsck
[HBASE-13800] - TestStore#testDeleteExpiredStoreFiles should create unique data/log directory for each call
[HBASE-13801] - Hadoop src checksum is shown instead of HBase src checksum in master / RS UI
[HBASE-13802] - Procedure V2: Master fails to come up due to rollback of create namespace table
[HBASE-13809] - TestRowTooBig should use HDFS directory for its region directory
[HBASE-13811] - Splitting WALs, we are filtering out too many edits -> DATALOSS
[HBASE-13812] - Deleting of last Column Family of a table should not be allowed
[HBASE-13813] - Fix Javadoc warnings in Procedure.java
[HBASE-13820] - Zookeeper is failing to start
[HBASE-13821] - WARN if hbase.bucketcache.percentage.in.combinedcache is set
[HBASE-13824] - TestGenerateDelegationToken: Master fails to start in Windows environment
[HBASE-13825] - Use ProtobufUtil#mergeFrom and ProtobufUtil#mergeDelimitedFrom in place of builder methods of same name
[HBASE-13826] - Unable to create table when group acls are appropriately set.
[HBASE-13831] - TestHBaseFsck#testParallelHbck is flaky against hadoop 2.6+
[HBASE-13833] - LoadIncrementalHFile.doBulkLoad(Path,HTable) doesn't handle unmanaged connections when using SecureBulkLoad
[HBASE-13834] - Evict count not properly passed to HeapMemoryTuner.
[HBASE-13835] - KeyValueHeap.current might be in heap when exception happens in pollRealKV
[HBASE-13839] - Fix AssgnmentManagerTmpl.jamon issues (coloring, content etc.)
[HBASE-13843] - Fix internal constant text in ReplicationManager.java
[HBASE-13845] - Expire of one region server carrying meta can bring down the master
[HBASE-13847] - getWriteRequestCount function in HRegionServer uses int variable to return the count.
[HBASE-13849] - Remove restore and clone snapshot from the WebUI
[HBASE-13851] - RpcClientImpl.close() can hang with cancelled replica RPCs
[HBASE-13853] - ITBLL improvements after HBASE-13811
[HBASE-13857] - Slow WAL Append count in ServerMetricsTmpl.jamon is hardcoded to zero
[HBASE-13858] - RS/MasterDumpServlet dumps threads before its “Stacks” header
[HBASE-13861] - BucketCacheTmpl.jamon has wrong bucket free and used labels
[HBASE-13863] - Multi-wal feature breaks reported number and size of HLogs
[HBASE-13864] - HColumnDescriptor should parse the output from master and from describe for TTL
[HBASE-13865] - Increase the default value for hbase.hregion.memstore.block.multipler from 2 to 4 (part 2)
[HBASE-13866] - Add endpoint coprocessor to the section hbase.coprocessor.region.classes in HBase book
[HBASE-13873] - LoadTestTool addAuthInfoToConf throws UnsupportedOperationException
[HBASE-13875] - Clock skew between master and region server may render restored region without server address
[HBASE-13877] - Interrupt to flush from TableFlushProcedure causes dataloss in ITBLL
[HBASE-13878] - Set hbase.fs.tmp.dir config in HBaseTestingUtility.java for Phoenix UT to use
[HBASE-13882] - Fix RegionSplitPolicy section in HBase book
[HBASE-13883] - Fix Memstore Flush section in HBase book
[HBASE-13885] - ZK watches leaks during snapshots
[HBASE-13888] - Fix refill bug from HBASE-13686
[HBASE-13889] - Fix hbase-shaded-client artifact so it works on hbase-downstreamer
[HBASE-13892] - Scanner with all results filtered out results in NPE
[HBASE-13893] - Replace HTable with Table in client tests
[HBASE-13895] - DATALOSS: Region assigned before WAL replay when abort
[HBASE-13897] - OOM may occur when Import imports a row with too many KeyValues
[HBASE-13901] - Error while calling watcher on creating and deleting an HBase table
[HBASE-13905] - TestRecoveredEdits.testReplayWorksThoughLotsOfFlushing failing consistently on branch-1.1
[HBASE-13907] - Document how to deploy a coprocessor
[HBASE-13913] - RAT exclusion list missing asciidoctor support files
[HBASE-13918] - Fix hbase:namespace description in webUI
[HBASE-13923] - Loaded region coprocessors are not reported in shell status command
[HBASE-13924] - Description for hbase.dynamic.jars.dir is wrong
[HBASE-13930] - Exclude Findbugs packages from shaded jars
[HBASE-13933] - DBE's seekBefore with tags corrupts the tag's offset information thus leading to incorrect results
[HBASE-13938] - Deletes done during the region merge transaction may get eclipsed
[HBASE-13944] - Prefix_Tree seeks to null if the seeked Cell is greater than the last key in the file
[HBASE-13945] - Prefix_Tree seekBefore() does not work correctly
[HBASE-13958] - RESTApiClusterManager calls kill() instead of suspend() and resume()
[HBASE-13959] - Region splitting uses a single thread in most common cases
[HBASE-13966] - Limit column width in table.jsp
[HBASE-13969] - AuthenticationTokenSecretManager is never stopped in RPCServer
[HBASE-13970] - NPE during compaction in trunk
[HBASE-13971] - Flushes stuck since 6 hours on a regionserver.
[HBASE-13974] - TestRateLimiter#testFixedIntervalResourceAvailability may fail
[HBASE-13976] - release manager list in ref guide is missing 0.94 line
[HBASE-13978] - Variable never assigned in SimpleTotalOrderPartitioner.getPartition()
[HBASE-13982] - Add info for visibility labels/cell TTLs to ImportTsv
[HBASE-13988] - Add exception handler for lease thread
[HBASE-13989] - Threshold for combined MemStore and BlockCache percentages is not checked
[HBASE-13995] - ServerName is not fully case insensitive
[HBASE-13997] - ScannerCallableWithReplicas cause Infinitely blocking
[HBASE-14000] - Region server failed to report to Master and was stuck in reportForDuty retry loop
[HBASE-14004] - [Replication] Inconsistency between Memstore and WAL may result in data in remote cluster that is not in the origin
[HBASE-14005] - Set permission to .top hfile in LoadIncrementalHFiles
[HBASE-14010] - TestRegionRebalancing.testRebalanceOnRegionServerNumberChange fails; cluster not balanced
[HBASE-14011] - MultiByteBuffer position based reads does not work correctly
[HBASE-14012] - Double Assignment and Dataloss when ServerCrashProcedure runs during Master failover
[HBASE-14021] - Quota table has a wrong description on the UI
[HBASE-14024] - ImportTsv is not loading hbase-default.xml
[HBASE-14029] - getting started for standalone still references hadoop-version-specific binary artifacts
[HBASE-14038] - Incremental backup list set is ignored during backup
[HBASE-14041] - Client MetaCache is cleared if a ThrottlingException is thrown
[HBASE-14042] - Fix FATAL level logging in FSHLog where logged for non fatal exceptions
[HBASE-14050] - NPE in org.apache.hadoop.hbase.ipc.RpcServer$Connection.readAndProcess
[HBASE-14054] - Acknowledged writes may get lost if regionserver clock is set backwards
[HBASE-14065] - ref guide section on release candidate generation refers to old doc files
[HBASE-14073] - TestRemoteTable.testDelete failed in the latest trunk code
[HBASE-14076] - ResultSerialization and MutationSerialization can throw InvalidProtocolBufferException when serializing a cell larger than 64MB
[HBASE-14077] - Add package to hbase-protocol protobuf files.
[HBASE-14088] - Close Connection in LoadTestTool#applyColumnFamilyOptions
[HBASE-14089] - Remove unnecessary draw of system entropy from RecoverableZooKeeper
[HBASE-14092] - hbck should run without locks by default and only disable the balancer when necessary
[HBASE-14094] - Procedure.proto can't be compiled to C++
[HBASE-14098] - Allow dropping caches behind compactions
[HBASE-14100] - Fix high priority findbugs warnings
[HBASE-14106] - TestProcedureRecovery is flaky
[HBASE-14115] - Fix resource leak in HMasterCommandLine
[HBASE-14119] - Show meaningful error messages instead of stack traces in hbase shell commands. Fixing few commands in this jira.
[HBASE-14145] - Allow the Canary in regionserver mode to try all regions on the server, not just one
[HBASE-14146] - Once replication sees an error it slows down forever
[HBASE-14153] - Typo in ProcedureManagerHost.MASTER_PROCEUDRE_CONF_KEY
[HBASE-14155] - StackOverflowError in reverse scan
[HBASE-14156] - Fix test failure in TestOpenTableInCoprocessor
[HBASE-14157] - Interfaces implemented by subclasses should be checked when registering CoprocessorService
[HBASE-14162] - Fixing maven target for regenerating thrift classes fails against 0.9.2
[HBASE-14166] - Per-Region metrics can be stale
[HBASE-14168] - Avoid useless retry for DoNotRetryIOException in TableRecordReaderImpl
[HBASE-14173] - includeMVCCReadpoint parameter in DefaultCompactor#createTmpWriter() represents no-op
[HBASE-14178] - regionserver blocks because of waiting for offsetLock
[HBASE-14183] - [Shell] Scanning hbase meta table is failing in master branch
[HBASE-14185] - Incorrect region names logged by MemStoreFlusher
[HBASE-14192] - Fix REST Cluster constructor with String List
[HBASE-14196] - Thrift server idle connection timeout issue
[HBASE-14201] - hbck should not take a lock unless fixing errors
[HBASE-14205] - RegionCoprocessorHost System.nanoTime() performance bottleneck
[HBASE-14206] - MultiRowRangeFilter returns records whose rowKeys are out of allowed ranges
[HBASE-14208] - Remove yarn dependencies on -common and -client
[HBASE-14209] - TestShell visibility tests failing
[HBASE-14211] - Add more rigorous integration tests of splits
[HBASE-14214] - list_labels shouldn't raise ArgumentError if no labels are defined
[HBASE-14219] - src tgz no longer builds after HBASE-14085
[HBASE-14224] - Fix coprocessor handling of duplicate classes
[HBASE-14228] - Close BufferedMutator and connection in MultiTableOutputFormat
[HBASE-14229] - Flushing canceled by coprocessor still leads to memstoreSize set down
[HBASE-14234] - Procedure-V2: Exception encountered in WALProcedureStore#rollWriter() should be properly handled
[HBASE-14241] - Fix deadlock during cluster shutdown due to concurrent connection close
[HBASE-14243] - Incorrect NOTICE file in hbase-it test-jar
[HBASE-14249] - shaded jar modules create spurious source and test jars with incorrect LICENSE/NOTICE info
[HBASE-14250] - branch-1.1 hbase-server test-jar has incorrect LICENSE
[HBASE-14251] - javadoc jars use LICENSE/NOTICE from primary artifact
[HBASE-14252] - RegionServers fail to start when setting hbase.ipc.server.callqueue.scan.ratio to 0
[HBASE-14256] - Flush task message may be confusing when region is recovered
[HBASE-14257] - Periodic flusher only handles hbase:meta, not other system tables
[HBASE-14258] - Make region_mover.rb script case insensitive with regard to hostname
[HBASE-14269] - FuzzyRowFilter omits certain rows when multiple fuzzy keys exist
[HBASE-14273] - Rename MVCC to MVCC: From MultiVersionConsistencyControl to MultiVersionConcurrencyControl
[HBASE-14280] - Bulk Upload from HA cluster to remote HA hbase cluster fails
[HBASE-14283] - Reverse scan doesn’t work with HFile inline index/bloom blocks
[HBASE-14286] - Correct typo in argument name for WALSplitter.writeRegionSequenceIdFile
[HBASE-14291] - NPE On StochasticLoadBalancer Balance Involving RS With No Regions
[HBASE-14292] - Call Me Maybe HBase links haved moved
[HBASE-14302] - TableSnapshotInputFormat should not create back references when restoring snapshot
[HBASE-14307] - Incorrect use of positional read api in HFileBlock
[HBASE-14313] - After a Connection sees ConnectionClosingException it never recovers
[HBASE-14315] - Save one call to KeyValueHeap.peek per row
[HBASE-14317] - Stuck FSHLog: bad disk (HDFS-8960) and can't roll WAL
[HBASE-14326] - HBase book: fix definition of max min size to compact
[HBASE-14327] - TestIOFencing#testFencingAroundCompactionAfterWALSync is flaky
[HBASE-14329] - Report region in transition only ever operates on one region
[HBASE-14337] - build error on master
[HBASE-14338] - License notification misspells 'Asciidoctor'
[HBASE-14343] - Fix debug message in SimpleRegionNormalizer for small regions
[HBASE-14346] - Typo in FamilyFilter
[HBASE-14347] - Add a switch to DynamicClassLoader to disable it
[HBASE-14349] - pre-commit zombie finder is overly broad
[HBASE-14354] - Minor improvements for usage of the mlock agent
[HBASE-14359] - HTable#close will hang forever if unchecked error/exception thrown in AsyncProcess#sendMultiAction
[HBASE-14362] - org.apache.hadoop.hbase.master.procedure.TestWALProcedureStoreOnHDFS is super duper flaky
[HBASE-14366] - NPE in case visibility expression is not present in labels table during importtsv run
[HBASE-14367] - Add normalization support to shell
[HBASE-14370] - Use separate thread for calling ZKPermissionWatcher#refreshNodes()
[HBASE-14380] - Correct data gets skipped along with bad data in importTsv bulk load thru TsvImporterTextMapper
[HBASE-14382] - TestInterfaceAudienceAnnotations should hadoop-compt module resources
[HBASE-14384] - Trying to run canary locally with -regionserver option causes exception
[HBASE-14385] - Close the sockets that is missing in connection closure.
[HBASE-14392] - [tests] TestLogRollingNoCluster fails on master from time to time
[HBASE-14393] - Have TestHFileEncryption clean up after itself so it don't go all zombie on us
[HBASE-14394] - Properly close the connection after reading records from table.
[HBASE-14400] - Fix HBase RPC protection documentation
[HBASE-14411] - Fix unit test failures when using multiwal as default WAL provider
[HBASE-14425] - In Secure Zookeeper cluster superuser will not have sufficient permission if multiple values are configured in "hbase.superuser"
[HBASE-14427] - Fix 'should' assertions in TestFastFail
[HBASE-14429] - Checkstyle report is broken
[HBASE-14431] - AsyncRpcClient#removeConnection() never removes connection from connections pool if server fails
[HBASE-14437] - ArithmeticException in ReplicationInterClusterEndpoint
[HBASE-14445] - ExportSnapshot does not honor -chmod option
[HBASE-14449] - Rewrite deadlock prevention for concurrent connection close
[HBASE-14458] - AsyncRpcClient#createRpcChannel() should check and remove dead channel before creating new one to same server
[HBASE-14462] - rolling_restart.sh --master-only throws "line 142: test: 0: unary operator expected"
[HBASE-14463] - Severe performance downgrade when parallel reading a single key from BucketCache
[HBASE-14469] - Fix some comment, validation and logging around memstore lower limit configuration
[HBASE-14471] - Thrift - HTTP Error 413 full HEAD if using kerberos authentication
[HBASE-14473] - Compute region locality in parallel
[HBASE-14474] - DeadLock in RpcClientImpl.Connection.close()
[HBASE-14475] - Region split requests are always audited with "hbase" user rather than request user
[HBASE-14485] - ConnectionImplementation leaks on construction failure
[HBASE-14486] - Disable TestRegionPlacement, a flakey test for an unfinished feature
[HBASE-14489] - postScannerFilterRow consumes a lot of CPU
[HBASE-14492] - Increase REST server header buffer size from 8k to 64k
[HBASE-14494] - Wrong usage messages on shell commands
[HBASE-14497] - Reverse Scan threw StackOverflow caused by readPt checking
[HBASE-14499] - Master coprocessors shutdown will not happen on master abort
[HBASE-14500] - Remove load of deprecated MOB ruby scripts after HBASE-14227
[HBASE-14501] - NPE in replication when HDFS transparent encryption is enabled.
[HBASE-14510] - Can not set coprocessor from Shell after HBASE-14224
[HBASE-14512] - Cache UGI groups
[HBASE-14518] - Give TestScanEarlyTermination the same treatment as 'HBASE-14378 Get TestAccessController* passing again...' -- up priority handlers
[HBASE-14521] - Unify the semantic of hbase.client.retries.number
[HBASE-14523] - rolling-restart.sh --graceful will start regionserver process on master node
[HBASE-14525] - Append and increment operation throws NullPointerException on non-existing column families.
[HBASE-14531] - graceful_stop.sh "if [ "$local" ]" condition unexpected behaviour
[HBASE-14532] - [book] dfs.client.read.shortcircuit is referenced as hbase-site.xml config and not described in section 7
[HBASE-14541] - TestHFileOutputFormat.testMRIncrementalLoadWithSplit failed due to too many splits and few retries
[HBASE-14544] - Allow HConnectionImpl to not refresh the dns on errors
[HBASE-14545] - TestMasterFailover often times out
[HBASE-14555] - Deadlock in MVCC branch-1.2 toString()
[HBASE-14557] - MapReduce WALPlayer issue with NoTagsKeyValue
[HBASE-14577] - HBase shell help for scan and returning a column family has a typo
[HBASE-14578] - URISyntaxException during snapshot restore for table with user defined namespace
[HBASE-14581] - Znode cleanup throws auth exception in secure mode
[HBASE-14591] - Region with reference hfile may split after a forced split in IncreasingToUpperBoundRegionSplitPolicy
[HBASE-14592] - BatchRestartRsAction always restarts 0 RS when running SlowDeterministicMonkey
[HBASE-14594] - Use new DNS API introduced in HADOOP-12437
[HBASE-14597] - Fix Groups cache in multi-threaded env
[HBASE-14598] - ByteBufferOutputStream grows its HeapByteBuffer beyond JVM limitations
[HBASE-14599] - Modify site config to use protocol-relative URLs for CSS/JS
[HBASE-14603] - Lots of work on the POM to enhance Javadocs, Xrefs
[HBASE-14604] - Improve MoveCostFunction in StochasticLoadBalancer
[HBASE-14606] - TestSecureLoadIncrementalHFiles tests timed out in trunk build on apache
[HBASE-14608] - testWalRollOnLowReplication has some risk to assert failed after HBASE-14600
[HBASE-14621] - ReplicationLogCleaner gets stuck when a regionserver crashes
[HBASE-14624] - BucketCache.freeBlock is too expensive
[HBASE-14625] - Chaos Monkey should shut down faster
[HBASE-14632] - Region server aborts due to unguarded dereference of Reader
[HBASE-14633] - Try fluid width UI
[HBASE-14634] - Disable flakey TestSnapshotCloneIndependence.testOnlineSnapshotDeleteIndependent
[HBASE-14644] - Region in transition metric is broken
[HBASE-14650] - Reenable TestNamespaceAuditor
[HBASE-14654] - Reenable TestMultiParallel#testActiveThreadsCount
[HBASE-14658] - Allow loading a MonkeyFactory by class name
[HBASE-14660] - AssertionError found when using offheap BucketCache with assertion enabled
[HBASE-14661] - RegionServer link is not opening, in HBase Table page.
[HBASE-14663] - HStore::close does not honor config hbase.rs.evictblocksonclose
[HBASE-14664] - Master failover issue: Backup master is unable to start if active master is killed and started in short time interval
[HBASE-14667] - HBaseFsck constructors have diverged
[HBASE-14674] - Rpc handler / task monitoring seems to be broken after 0.98
[HBASE-14676] - HBaseTestCase clean out: Purge Incommon Interface and Table and Region implementations
[HBASE-14680] - Two configs for snapshot timeout and better defaults
[HBASE-14681] - Upgrade Checkstyle plugin to 2.16
[HBASE-14682] - CM restore functionality for regionservers is broken
[HBASE-14689] - Addendum and unit test for HBASE-13471
[HBASE-14690] - Fix css so there's no left/right scroll bar
[HBASE-14694] - Scan copy constructor doesn't handle allowPartialResults
[HBASE-14695] - Fix some easy HTML warnings
[HBASE-14701] - Fix flakey Failed tests: TestMobFlushSnapshotFromClient>TestFlushSnapshotFromClient.testSkipFlushTableSnapshot:199 null
[HBASE-14705] - Javadoc for KeyValue constructor is not correct.
[HBASE-14706] - RegionLocationFinder should return multiple servernames by top host
[HBASE-14711] - Remove or annotated deprecated methods in HRegionInfo
[HBASE-14712] - MasterProcWALs never clean up
[HBASE-14717] - enable_table_replication command should only create specified table for a peer cluster
[HBASE-14723] - Fix IT tests split too many times
[HBASE-14733] - Minor typo in alter_namespace.rb
[HBASE-14737] - Clear cachedMaxVersions when HColumnDescriptor#setValue(VERSIONS, value) is called
[HBASE-14739] - Fix broken link to Javadoc that is suppressed because it is generated code
[HBASE-14742] - TestHeapMemoryManager is flakey
[HBASE-14745] - Shade the last few dependencies in hbase-shaded-client
[HBASE-14751] - Book seems to be broken
[HBASE-14753] - TestShell is not invoked anymore
[HBASE-14754] - TestFastFailWithoutTestUtil failing on trunk now in #testPreemptiveFastFailException50Times
[HBASE-14755] - Fix some broken links and HTML problems
[HBASE-14759] - Avoid using Math.abs when selecting SyncRunner in FSHLog
[HBASE-14761] - Deletes with and without visibility expression do not delete the matching mutation
[HBASE-14763] - Remove usages of deprecated HConnection
[HBASE-14767] - Remove deprecated functions from HBaseAdmin
[HBASE-14768] - bin/graceful_stop.sh logs nothing as a balancer state to be stored
[HBASE-14769] - Remove unused functions and duplicate javadocs from HBaseAdmin
[HBASE-14770] - RowCounter argument input parse error
[HBASE-14771] - RpcServer#getRemoteAddress always returns null
[HBASE-14773] - Fix HBase shell tests are skipped when skipping server tests.
[HBASE-14774] - Raise the font size on high-DPI small-screen devices like iphone 6+
[HBASE-14777] - Fix Inter Cluster Replication Future ordering issues
[HBASE-14778] - Make block cache hit percentages not integer in the metrics system
[HBASE-14781] - Turn per cf flushing on for ITBLL by default
[HBASE-14782] - FuzzyRowFilter skips valid rows
[HBASE-14784] - Port conflict is not resolved in HBaseTestingUtility.randomFreePort()
[HBASE-14787] - Remove obsolete ConnectionImplementation.refCount
[HBASE-14788] - Splitting a region does not support the hbase.rs.evictblocksonclose config when closing source region
[HBASE-14793] - Allow limiting size of block into L1 block cache.
[HBASE-14797] - Last round of CSS fix-ups
[HBASE-14799] - Commons-collections object deserialization remote command execution vulnerability
[HBASE-14802] - Replaying server crash recovery procedure after a failover causes incorrect handling of deadservers
[HBASE-14804] - HBase shell's create table command ignores 'NORMALIZATION_ENABLED' attribute
[HBASE-14806] - Missing sources.jar for several modules when building HBase
[HBASE-14807] - TestWALLockup is flakey
[HBASE-14809] - Grant / revoke Namespace admin permission to group
[HBASE-14810] - Update Hadoop support description to explain "not tested" vs "not supported"
[HBASE-14812] - Fix ResultBoundedCompletionService deadlock
[HBASE-14815] - TestMobExportSnapshot.testExportFailure timeout occasionally
[HBASE-14818] - user_permission does not list namespace permissions
[HBASE-14822] - Renewing leases of scanners doesn't work
[HBASE-14823] - HBase Ref Guide Refactoring
[HBASE-14824] - HBaseAdmin.mergeRegions should recognize both full region names and encoded region names
[HBASE-14825] - HBase Ref Guide corrections of typos/misspellings
[HBASE-14838] - Clarify that SimpleRegionNormalizer does not merge empty (<1MB) regions
[HBASE-14840] - Sink cluster reports data replication request as success though the data is not replicated
[HBASE-14843] - TestWALProcedureStore.testLoad is flakey
[HBASE-14861] - HBASE_ZNODE_FILE on master server is overwritten by regionserver process in case of master-rs collocation
[HBASE-14867] - SimpleRegionNormalizer needs to have better heuristics to trigger merge operation
[HBASE-14885] - NullPointerException in HMaster#normalizeRegions() due to missing TableDescriptor
[HBASE-14890] - Fix javadoc checkstyle errors
[HBASE-14893] - Race between mutation on region and region closing operation leads to NotServingRegionException
[HBASE-14894] - Fix misspellings of threshold in log4j.properties files for tests
[HBASE-14896] - Resolve Javadoc warnings in WALKey and RegionMover
[HBASE-14897] - TestTableLockManager.testReapAllTableLocks is flakey
[HBASE-14898] - Correct Bloom filter documentation in the book
[HBASE-14901] - There is duplicated code to create/manage encryption keys
[HBASE-14904] - Mark Base[En|De]coder LimitedPrivate and fix binary compat issue
[HBASE-14905] - VerifyReplication does not honour versions option
[HBASE-14907] - NPE of MobUtils.hasMobColumns in Build failed in Jenkins: HBase-Trunk_matrix » latest1.8,Hadoop #513
[HBASE-14917] - Log in console if individual tests in test-patch.sh fail or pass
[HBASE-14922] - Delayed flush doesn't work causing flush storms.
[HBASE-14923] - VerifyReplication should not mask the exception during result comparison
[HBASE-14926] - Hung ThriftServer; no timeout on read from client; if client crashes, worker thread gets stuck reading
[HBASE-14928] - Start row should be set for query through HBase REST gateway involving globbing option
[HBASE-14929] - There is a space missing from Table "foo" is not currently available.
[HBASE-14930] - check_compatibility.sh needs smarter exit codes
[HBASE-14936] - CombinedBlockCache should overwrite CacheStats#rollMetricsPeriod()
[HBASE-14940] - Make our unsafe based ops more safe
[HBASE-14941] - locate_region shell command
[HBASE-14942] - Allow turning off BoundedByteBufferPool
[HBASE-14952] - hbase-assembly source artifact has some incorrect modules
[HBASE-14953] - HBaseInterClusterReplicationEndpoint: Do not retry the whole batch of edits in case of RejectedExecutionException
[HBASE-14954] - IllegalArgumentException was thrown when doing online configuration change in CompactSplitThread
[HBASE-14960] - Fallback to using default RPCControllerFactory if class cannot be loaded
[HBASE-14968] - ConcurrentModificationException in region close resulting in the region staying in closing state
[HBASE-14974] - Total number of Regions in Transition number on UI incorrect
[HBASE-14975] - Don't color the total RIT line yellow if it's zero
[HBASE-14977] - ChoreService.shutdown may result in ConcurrentModificationException
[HBASE-14987] - Compaction marker whose region name doesn't match current region's needs to be handled
[HBASE-14990] - Tests in BaseTestHBaseFsck are run by its subclasses redundantly
[HBASE-14991] - Fix the feature warning in scala code
[HBASE-14999] - Remove ref to org.mortbay.log.Log
[HBASE-15000] - Fix javadoc warn in LoadIncrementalHFiles
[HBASE-15001] - Thread Safety issues in ReplicationSinkManager and HBaseInterClusterReplicationEndpoint
[HBASE-15011] - turn off the jdk8 javadoc linter. :(
[HBASE-15014] - Fix filterCellByStore in WALsplitter is awful for performance
[HBASE-15015] - Checktyle plugin shouldn't check Jamon-generated Java classes
[HBASE-15018] - Inconsistent way of handling TimeoutException in the rpc client implementations
[HBASE-15019] - Replication stuck when HDFS is restarted
[HBASE-15020] - Remove DistributedLogReplay (a.k.a DLR)
[HBASE-15021] - hadoopqa doing false positives
[HBASE-15022] - undefined method `getZooKeeperClusterKey' for Java::OrgApacheHadoopHbaseZookeeper::ZKUtil:Class
[HBASE-15026] - The default value of "hbase.regions.slop" in hbase-default.xml is obsolete
[HBASE-15027] - Refactor the way the CompactedHFileDischarger threads are created
[HBASE-15028] - Minor fix on RegionGroupingProvider
[HBASE-15030] - Deadlock in master TableNamespaceManager while running IntegrationTestDDLMasterFailover
[HBASE-15032] - hbase shell scan filter string assumes UTF-8 encoding
[HBASE-15034] - IntegrationTestDDLMasterFailover does not clean created namespaces
[HBASE-15035] - bulkloading hfiles with tags that require splits do not preserve tags
[HBASE-15039] - HMaster and RegionServers should try to refresh token keys from zk when facing InvalidToken
[HBASE-15043] - region_status.rb broken with TypeError: no public constructors for Java::OrgApacheHadoopHbaseClient::HBaseAdmin
[HBASE-15050] - Block Ref counting does not work in Region Split cases.
[HBASE-15052] - Use EnvironmentEdgeManager in ReplicationSource
[HBASE-15057] - local-master-backup.sh doesn't start HMaster correctly
[HBASE-15063] - Bug in MultiByteBuf#toBytes
[HBASE-15064] - BufferUnderflowException after last Cell fetched from an HFile Block served from L2 offheap cache
[HBASE-15065] - SimpleRegionNormalizer should return multiple normalization plans in one run
[HBASE-15070] - DistributedHBaseCluster#restoreRegionServers() starts new RS process on master server
[HBASE-15074] - Zombie maker to test zombie detector
[HBASE-15079] - TestMultiParallel.validateLoadedData AssertionError: null
[HBASE-15083] - Gets from Multiactions are not counted in metrics for gets.
[HBASE-15085] - IllegalStateException was thrown when scanning on bulkloaded HFiles
[HBASE-15093] - Replication can report incorrect size of log queue for the global source when multiwal is enabled
[HBASE-15098] - Normalizer switch in configuration is not used
[HBASE-15100] - Master WALProcs still never clean up
[HBASE-15101] - Leaked References to StoreFile.Reader after HBASE-13082
[HBASE-15102] - HeapMemoryTuner can "overtune" memstore size and suddenly drop it into blocking zone
[HBASE-15104] - Occasional failures due to NotServingRegionException in IT tests
[HBASE-15109] - HM/RS failed to start when "fs.hdfs.impl.disable.cache" is set to true
[HBASE-15117] - Resolve ICAST findbugs warnings in current codes
[HBASE-15122] - Servlets generate XSS_REQUEST_PARAMETER_TO_SERVLET_WRITER findbugs warnings
[HBASE-15125] - HBaseFsck's adoptHdfsOrphan function creates region with wrong end key boundary
[HBASE-15126] - HBaseFsck's checkRegionBoundaries function sets incorrect 'storesFirstKey'
[HBASE-15128] - Disable region splits and merges switch in master
[HBASE-15132] - Master region merge RPC should authorize user request
[HBASE-15133] - Data loss after compaction when a row has more than Integer.MAX_VALUE columns
[HBASE-15137] - CallTimeoutException and CallQueueTooBigException should trigger PFFE
[HBASE-15139] - Connection manager doesn't pass client metrics to RpcClient
[HBASE-15145] - HBCK and Replication should authenticate to zookepeer using server principal
[HBASE-15146] - Don't block on Reader threads queueing to a scheduler queue
[HBASE-15147] - Shell should use Admin.listTableNames() instead of Admin.listTables()
[HBASE-15148] - Resolve IS2_INCONSISTENT_SYNC findbugs warning in AuthenticationTokenSecretManager
[HBASE-15152] - Automatically include prefix-tree module in MR jobs if present
[HBASE-15164] - Fix broken links found via LinkLint
[HBASE-15173] - Execute mergeRegions RPC call as the request user
[HBASE-15186] - HBASE-15158 Preamble 1 of 2: fix findbugs, add javadoc, change Region#getReadpoint to #getReadPoint, and some util
[HBASE-15187] - Integrate CSRF prevention filter to REST gateway
[HBASE-15190] - Monkey dies when running on shared cluster (gives up when can't kill the other fellows processes)
[HBASE-15193] - Rename ByteBufferInputStream in master
[HBASE-15195] - Don't run findbugs on hbase-it; it has nothing in src/main/java
[HBASE-15196] - HBASE-15158 Preamble 2 of 2:Add Increment tests
[HBASE-15198] - RPC client not using Codec and CellBlock for puts by default
[HBASE-15200] - ZooKeeper znode ACL checks should only compare the shortname
[HBASE-15206] - Flakey testSplitDaughtersNotInMeta test
[HBASE-15209] - disable table in HBaseTestingUtility.truncateTable
[HBASE-15214] - Valid mutate Ops fail with RPC Codec in use and region moves across
[HBASE-15216] - Canary does not accept config params from command line
[HBASE-15218] - On RS crash and replay of WAL, loosing all Tags in Cells
[HBASE-15221] - HTableMultiplexer improvements (stale region locations and resource leaks)
[HBASE-15231] - Make TableState.State private
[HBASE-15234] - ReplicationLogCleaner can abort due to transient ZK issues
[HBASE-15236] - Inconsistent cell reads over multiple bulk-loaded HFiles
[HBASE-15247] - InclusiveStopFilter does not respect reverse Filter property
[HBASE-15250] - Fix links that are currently redirected from old URLs
[HBASE-15251] - During a cluster restart, Hmaster thinks it is a failover by mistake
[HBASE-15252] - Data loss when replaying wal if HDFS timeout
[HBASE-15253] - Small bug in CellUtil.matchingRow(Cell, byte[])
[HBASE-15259] - WALEdits under replay will also be replicated
[HBASE-15271] - Spark Bulk Load: Need to write HFiles to tmp location then rename to protect from Spark Executor Failures
[HBASE-15276] - TestFlushSnapshotFromClient hung
[HBASE-15278] - AsyncRPCClient hangs if Connection closes before RPC call response
[HBASE-15279] - OrderedBytes.isEncodedValue does not check for int8 and int16 types
[HBASE-15285] - Forward-port respect for isReturnResult from HBASE-15095
[HBASE-15287] - mapreduce.RowCounter returns incorrect result with binary row key inputs
[HBASE-15289] - Add details about how to get usage instructions for Import and Export utilities
[HBASE-15290] - Hbase Rest CheckAndAPI should save other cells along with compared cell
[HBASE-15292] - Refined ZooKeeperWatcher to prevent ZooKeeper's callback while construction
[HBASE-15295] - MutateTableAccess.multiMutate() does not get high priority causing a deadlock
[HBASE-15297] - error message is wrong when a wrong namspace is specified in grant in hbase shell
[HBASE-15298] - Fix missing or wrong asciidoc anchors in the reference guide
[HBASE-15302] - Reenable the other tests disabled by HBASE-14678
[HBASE-15319] - clearJmxCache does not take effect actually
[HBASE-15322] - Operations using Unsafe path broken for platforms not having sun.misc.Unsafe
[HBASE-15323] - Hbase Rest CheckAndDeleteAPi should be able to delete more cells
[HBASE-15324] - Jitter may cause desiredMaxFileSize overflow in ConstantSizeRegionSplitPolicy and trigger unexpected split
[HBASE-15325] - ResultScanner allowing partial result will miss the rest of the row if the region is moved between two rpc requests
[HBASE-15327] - Canary will always invoke admin.balancer() in each sniffing period when writeSniffing is enabled
[HBASE-15328] - Unvalidated Redirect in HMaster
[HBASE-15329] - Cross-Site Scripting: Reflected in table.jsp
[HBASE-15332] - Document how to take advantage of HDFS-6133 in HBase
[HBASE-15348] - Fix tests broken by recent metrics re-work
[HBASE-15357] - TableInputFormatBase getSplitKey does not handle signed bytes correctly
[HBASE-15358] - canEnforceTimeLimitFromScope should use timeScope instead of sizeScope
[HBASE-15360] - Fix flaky TestSimpleRpcScheduler
[HBASE-15364] - Fix unescaped < characters in Javadoc
[HBASE-15378] - Scanner cannot handle heartbeat message with no results
[HBASE-15379] - Fake cells created in read path not implementing SettableSequenceId
[HBASE-15393] - Enable table replication command will fail when parent znode is not default in peer cluster
[HBASE-15397] - Create bulk load replication znode(hfile-refs) in ZK replication queue by default
[HBASE-15405] - Synchronize final results logging single thread in PE, fix wrong defaults in help message
[HBASE-15424] - Add bulk load hfile-refs for replication in ZK after the event is appended in the WAL
[HBASE-15425] - Failing to write bulk load event marker in the WAL is ignored
[HBASE-15430] - Failed taking snapshot - Manifest proto-message too large
[HBASE-15433] - SnapshotManager#restoreSnapshot not update table and region count quota correctly when encountering exception
[HBASE-15437] - Response size calculated in RPCServer for warning tooLarge responses does NOT count CellScanner payload
[HBASE-15439] - getMaximumAllowedTimeBetweenRuns in ScheduledChore ignores the TimeUnit
[HBASE-15441] - Fix WAL splitting when region has moved multiple times
[HBASE-15461] - ref guide has bad links to blogs originally posted on cloudera website
[HBASE-15463] - Region normalizer should check whether split/merge is enabled
[HBASE-15465] - userPermission returned by getUserPermission() for the selected namespace does not have namespace set
[HBASE-15467] - Remove 1.x/2.0 TableDescriptor incompatibility
[HBASE-15485] - Filter.reset() should not be called between batches
[HBASE-15497] - Incorrect javadoc for atomicity guarantee of Increment and Append
[HBASE-15504] - Fix Balancer in 1.3 not moving regions off overloaded regionserver
[HBASE-15515] - Improve LocalityBasedCandidateGenerator in Balancer
[HBASE-15520] - Fix broken TestAsyncIPC
[HBASE-15528] - Clean up outdated entries in hbase-default.xml
[HBASE-15535] - Correct link to Trafodion
[HBASE-15548] - SyncTable: sourceHashDir is supposed to be optional but won't work without
[HBASE-15559] - BaseMasterAndRegionObserver doesn't implement all the methods
[HBASE-15563] - 'counter' may overflow in BoundedGroupingStrategy
[HBASE-15566] - Add timeouts on TestMobFlushSnapshotFromClient and TestRegionMergeTransactionOnCluster
[HBASE-15567] - TestReplicationShell broken by recent replication changes
[HBASE-15574] - Minor typo on HRegionServerCommandLine.java
[HBASE-15578] - Handle HBASE-15234 for ReplicationHFileCleaner
[HBASE-15582] - SnapshotManifestV1 too verbose when there are no regions
[HBASE-15587] - FSTableDescriptors.getDescriptor() logs stack trace erronously
[HBASE-15591] - ServerCrashProcedure not yielding
[HBASE-15613] - TestNamespaceCommand times out
[HBASE-15615] - Wrong sleep time when RegionServerCallable need retry
[HBASE-15616] - Allow null qualifier for all table operations
[HBASE-15617] - Canary in regionserver mode might not enumerate all regionservers
[HBASE-15621] - Suppress Hbase SnapshotHFile cleaner error messages when a snaphot is going on
[HBASE-15622] - Superusers does not consider the keytab credentials
[HBASE-15623] - Update refguide to change hadoop <= 2.3.x from NT to X for hbase-1.2.x
[HBASE-15624] - Move master branch/hbase-2.0.0 to jdk-8 only
[HBASE-15627] - Miss space and closing quote in AccessController#checkSystemOrSuperUser
[HBASE-15634] - TestDateTieredCompactionPolicy#negativeForMajor is flaky
[HBASE-15635] - Mean age of Blocks in cache (seconds) on webUI should be greater than zero
[HBASE-15636] - hard coded wait time out value in HBaseTestingUtility#waitUntilAllRegionsAssigned might cause test failure
[HBASE-15637] - TSHA Thrift-2 server should allow limiting call queue size
[HBASE-15638] - Shade protobuf
[HBASE-15639] - Unguarded access to stackIndexes in Procedure#toStringDetails()
[HBASE-15645] - hbase.rpc.timeout is not used in operations of HTable
[HBASE-15650] - Remove TimeRangeTracker as point of contention when many threads reading a StoreFile
[HBASE-15664] - Use Long.MAX_VALUE instead of HConstants.FOREVER in CompactionPolicy
[HBASE-15668] - HFileReplicator$Copier fails to replicate other hfiles in the request when a hfile in not found in FS anywhere
[HBASE-15669] - HFile size is not considered correctly in a replication request
[HBASE-15670] - Add missing Snapshot.proto to the maven profile for compiling protobuf
[HBASE-15672] - hadoop.hbase.security.visibility.TestVisibilityLabelsWithDeletes fails
[HBASE-15673] - [PE tool] Fix latency metrics for multiGet
[HBASE-15674] - HRegionLocator#getAllRegionLocations should put the results in cache
[HBASE-15676] - FuzzyRowFilter fails and matches all the rows in the table if the mask consists of all 0s
[HBASE-15684] - Fix the broken log file size accounting
[HBASE-15685] - Typo in REST documentation
[HBASE-15693] - Reconsider the ImportOrder rule of checkstyle
[HBASE-15697] - Excessive TestHRegion running time on branch-1
[HBASE-15698] - Increment TimeRange not serialized to server
[HBASE-15699] - Can not sync AsyncFSWAL if no edit is appended
[HBASE-15703] - Deadline scheduler needs to return to the client info about skipped calls, not just drop them
[HBASE-15707] - ImportTSV bulk output does not support tags with hfile.format.version=3
[HBASE-15708] - Docker for dev-support scripts
[HBASE-15710] - Include issue servers information in RetriesExhaustedWithDetailsException message
[HBASE-15711] - Add client side property to allow logging details for batch errors
[HBASE-15714] - We are calling checkRow() twice in doMiniBatchMutation()
[HBASE-15725] - make_patch.sh should add the branch name when -b is passed.
[HBASE-15732] - hbase-rsgroups should be in the assembly
[HBASE-15738] - Ensure artifacts in project dist area include required md5 file
[HBASE-15741] - Provide backward compatibility for HBase coprocessor service names
[HBASE-15742] - Reduce allocation of objects in metrics
[HBASE-15746] - Remove extra RegionCoprocessor preClose() in RSRpcServices#closeRegion
[HBASE-15752] - ClassNotFoundException is encountered when custom WAL codec is not found in WALPlayer job
[HBASE-15755] - SnapshotDescriptionUtils and SnapshotTestingUtils do not have any Interface audience marked
[HBASE-15769] - Perform validation on cluster key for add_peer
[HBASE-15781] - Remove unused TableEventHandler and TotesHRegionInfo
[HBASE-15782] - TestShell fails due to some moved types
[HBASE-15783] - AccessControlConstants#OP_ATTRIBUTE_ACL_STRATEGY_CELL_FIRST not used any more.
[HBASE-15784] - Misuse core/maxPoolSize of LinkedBlockingQueue in ThreadPoolExecutor
[HBASE-15796] - TestMetaCache fails after HBASE-15745
[HBASE-15797] - TestIPCUtil fails after HBASE-15795
[HBASE-15799] - Two Shell 'close_region' Example Syntaxes Don't Work
[HBASE-15801] - Upgrade checkstyle for all branches
[HBASE-15803] - ZooKeeperWatcher's constructor can leak a ZooKeeper instance with throwing ZooKeeperConnectionException when canCreateBaseZNode is true
[HBASE-15807] - Update report-flakies.py to look for "FAILED" status in test report
[HBASE-15811] - Batch Get after batch Put does not fetch all Cells
[HBASE-15824] - LocalHBaseCluster gets bind exception in master info port
[HBASE-15828] - fix extant findbug
[HBASE-15830] - Sasl encryption doesn't work with AsyncRpcChannelImpl
[HBASE-15834] - Correct Bloom filter documentation in section 96.4 of Reference Guide
[HBASE-15835] - HBaseTestingUtility#startMiniCluster throws "HMasterAddress already in use" RuntimeException when a local instance of HBase is running
[HBASE-15840] - WAL.proto compilation broken for cpp
[HBASE-15841] - Performance Evaluation tool total rows may not be set correctly
[HBASE-15844] - We should respect hfile.block.index.cacheonwrite when write intermediate index Block
[HBASE-15845] - Shell Cleanup : move formatter to commands.rb; move one of the two hbase.rb to hbase_constants.rb
[HBASE-15848] - Fix possible null point dereference in RSGroupBasedLoadBalancer#getMisplacedRegions()
[HBASE-15850] - Localize the configuration change in testCheckTableLocks to reduce flakiness of TestHBaseFsck test suite
[HBASE-15853] - HBase backups fail if there is no /user/hbase directory on HDFS
[HBASE-15856] - Cached Connection instances can wind up with addresses never resolved
[HBASE-15858] - Some region server group shell commands don't work
[HBASE-15863] - Typo in Put.java class documentation
[HBASE-15866] - Split hbase.rpc.timeout into *.read.timeout and *.write.timeout
[HBASE-15871] - Memstore flush doesn't finish because of backwardseek() in memstore scanner.
[HBASE-15875] - Remove HTable references and HTableInterface
[HBASE-15876] - Remove doBulkLoad(Path hfofDir, final HTable table) though it has not been through a full deprecation cycle
[HBASE-15880] - RpcClientImpl#tracedWriteRequest incorrectly closes HTrace span
[HBASE-15884] - NPE in StoreFileScanner#skipKVsNewerThanReadpoint during reverse scan
[HBASE-15889] - String case conversions are locale-sensitive, used without locale
[HBASE-15891] - Closeable resources potentially not getting closed if exception is thrown
[HBASE-15897] - Fix a wrong comment about QOS order
[HBASE-15907] - Missing documentation of create table split options
[HBASE-15908] - Checksum verification is broken due to incorrect passing of ByteBuffers in DataChecksum
[HBASE-15909] - Use Yetus' patch naming rules in submit-patch.py
[HBASE-15912] - REST module has 2 extant results in findbugs
[HBASE-15918] - Cleanup excludes/includes file after use in hbase-personality.sh to avoid asf license error.
[HBASE-15925] - compat-module maven variable not evaluated
[HBASE-15929] - There are two classes with name TestRegionServerMetrics
[HBASE-15932] - Shell test fails due to uninitialized constant
[HBASE-15933] - NullPointerException may be thrown from SimpleRegionNormalizer#getRegionSize()
[HBASE-15938] - submit-patch.py: Don't crash if there are tests with same name. Refactor: Split out html template to separate file.
[HBASE-15944] - Spark test flooding mvn output. Redirect test logs to file.
[HBASE-15946] - Eliminate possible security concerns in RS web UI's store file metrics
[HBASE-15947] - Classes used only for tests included in main code base
[HBASE-15950] - Fix memstore size estimates to be more tighter
[HBASE-15952] - Bulk load data replication is not working when RS user does not have permission on hfile-refs node
[HBASE-15954] - REST server should log requests with TRACE instead of DEBUG
[HBASE-15955] - Disable action in CatalogJanitor#setEnabled should wait for active cleanup scan to finish
[HBASE-15957] - RpcClientImpl.close never ends in some circumstances
[HBASE-15959] - Fix flaky test TestRegionServerMetrics.testMobMetrics
[HBASE-15965] - Shell test changes. Use @shell.command instead directly calling functions in admin.rb and other libraries.
[HBASE-15975] - logic in TestHTableDescriptor#testAddCoprocessorWithSpecStr is wrong
[HBASE-15976] - RegionServerMetricsWrapperRunnable will be failure when disable blockcache.
[HBASE-15977] - Failed variable substitution on home page
[HBASE-15982] - Interface ReplicationEndpoint extends Guava's Service
[HBASE-15990] - The priority value of subsequent coprocessors in the Coprocessor.Priority.SYSTEM list are not incremented by one
[HBASE-15993] - Regex support in table names
[HBASE-16000] - Table#checkAndPut() docs are too vague
[HBASE-16007] - Job's Configuration should be passed to TableMapReduceUtil#addDependencyJars() in WALPlayer
[HBASE-16011] - TableSnapshotScanner and TableSnapshotInputFormat can produce duplicate rows
[HBASE-16012] - Major compaction can't work due to obsolete scanner read point in RegionServer
[HBASE-16014] - Get and Put constructor argument lists are divergent
[HBASE-16016] - AssignmentManager#waitForAssignment could have unexpected negative deadline
[HBASE-16017] - HBase TableOutputFormat has connection leak in getRecordWriter
[HBASE-16021] - graceful_stop.sh: Wrap variables in double quote to avoid "[: too many arguments" error
[HBASE-16031] - Documents about "hbase.replication" default value seems wrong
[HBASE-16032] - Possible memory leak in StoreScanner
[HBASE-16035] - Nested AutoCloseables might not all get closed
[HBASE-16040] - Remove configuration "hbase.replication"
[HBASE-16044] - Fix 'hbase shell' output parsing in graceful_stop.sh
[HBASE-16045] - endtime argument for VerifyReplication was incorrectly specified in usage
[HBASE-16047] - TestFastFail is broken again
[HBASE-16053] - Master code is not setting the table in ENABLING state in create table
[HBASE-16054] - OutOfMemory exception when using AsyncRpcClient with encryption
[HBASE-16055] - PutSortReducer loses any Visibility/acl attribute set on the Puts
[HBASE-16058] - TestHRegion fails on 1.4 builds
[HBASE-16059] - Region normalizer fails to trigger merge action where one of the regions is empty
[HBASE-16060] - 1.x clients cannot access table state talking to 2.0 cluster
[HBASE-16061] - Allow logging to a buffered console
[HBASE-16062] - Improper error handling in WAL Reader/Writer creation
[HBASE-16066] - Resolve RpC_REPEATED_CONDITIONAL_TEST findbugs warnings in HMaster
[HBASE-16069] - Typo "trapsparently" in item 3 of chapter 87.2 of Reference Guide
[HBASE-16070] - Mapreduce Serialization classes do not have Interface audience
[HBASE-16074] - ITBLL fails, reports lost big or tiny families
[HBASE-16076] - Cannot configure split policy in HBase shell
[HBASE-16081] - Replication remove_peer gets stuck and blocks WAL rolling
[HBASE-16084] - Clean up the stale references in javadoc
[HBASE-16090] - ResultScanner is not closed in SyncTable#finishRemainingHashRanges()
[HBASE-16091] - Canary takes lot more time when there are delete markers in the table
[HBASE-16095] - Add priority to TableDescriptor and priority region open thread pool
[HBASE-16096] - Replication keeps accumulating znodes
[HBASE-16103] - Procedure v2 - TestCloneSnapshotProcedure relies on execution order
[HBASE-16109] - Add Interface audience annotation to a few classes
[HBASE-16110] - AsyncFS WAL doesn't work with Hadoop 2.8+
[HBASE-16111] - Truncate preserve shell command is broken
[HBASE-16117] - Fix Connection leak in mapred.TableOutputFormat
[HBASE-16120] - Add shell test for truncate_preserve
[HBASE-16122] - PerformanceEvaluation should provide user friendly hint when client threads argument is missing
[HBASE-16125] - RegionMover uses hardcoded, Unix-style tmp folder - breaks Windows
[HBASE-16129] - check_compatibility.sh is broken when using Java API Compliance Checker v1.7
[HBASE-16132] - Scan does not return all the result when regionserver is busy
[HBASE-16133] - RSGroupBasedLoadBalancer.retainAssignment() might miss a region
[HBASE-16135] - PeerClusterZnode under rs of removed peer may never be deleted
[HBASE-16144] - Replication queue's lock will live forever if RS acquiring the lock has died prematurely
[HBASE-16150] - Remove ConcurrentIndex
[HBASE-16157] - The incorrect block cache count and size are caused by removing duplicate block key in the LruBlockCache
[HBASE-16159] - OutOfMemory exception when using AsyncRpcClient with encryption to read rpc response
[HBASE-16160] - Get the UnsupportedOperationException when using delegation token with encryption
[HBASE-16165] - Decrease RpcServer.callQueueSize before writeResponse causes OOM
[HBASE-16171] - Fix the potential problems in TestHCM.testConnectionCloseAllowsInterrupt
[HBASE-16172] - Unify the retry logic in ScannerCallableWithReplicas and RpcRetryingCallerWithReadReplicas
[HBASE-16177] - In dev mode thrift server can't be run
[HBASE-16182] - Increase IntegrationTestRpcClient timeout
[HBASE-16183] - Correct errors in example programs of coprocessor in Ref Guide
[HBASE-16184] - Shell test fails due to rLoadSink being nil
[HBASE-16186] - Fix AssignmentManager MBean name
[HBASE-16187] - Fix typo in blog post for metrics2
[HBASE-16190] - IntegrationTestDDLMasterFailover failed with IllegalArgumentException: n must be positive
[HBASE-16192] - Fix the potential problems in TestAcidGuarantees
[HBASE-16201] - NPE in RpcServer causing intermittent UT failure of TestMasterReplication#testHFileCyclicReplication
[HBASE-16207] - can't restore snapshot without "Admin" permission
[HBASE-16209] - Provide an ExponentialBackOffPolicy sleep between failed region open requests
[HBASE-16211] - JMXCacheBuster restarting the metrics system might cause tests to hang
[HBASE-16221] - Thrift server drops connection on long scans
[HBASE-16227] - [Shell] Column value formatter not working in scans
[HBASE-16234] - Expect and handle nulls when assigning replicas
[HBASE-16235] - TestSnapshotFromMaster#testSnapshotHFileArchiving will fail if there are too many hfiles
[HBASE-16238] - It's useless to catch SESSIONEXPIRED exception and retry in RecoverableZooKeeper
[HBASE-16239] - Better logging for RPC related exceptions
[HBASE-16244] - LocalHBaseCluster start timeout should be configurable
[HBASE-16267] - Remove commons-httpclient dependency from hbase-rest module
[HBASE-16270] - Handle duplicate clearing of snapshot in region replicas
[HBASE-16271] - Fix logging and re-run the test in IntegrationTestBulkLoad
[HBASE-16272] - Overflow in ServerName's compareTo method
[HBASE-16281] - TestMasterReplication is flaky
[HBASE-16283] - Batch Append/Increment will always fail if set ReturnResults to false
[HBASE-16284] - Unauthorized client can shutdown the cluster
[HBASE-16288] - HFile intermediate block level indexes might recurse forever creating multi TB files
[HBASE-16289] - AsyncProcess stuck messages need to print region/server
[HBASE-16290] - Dump summary of callQueue content; can help debugging
[HBASE-16292] - Can't start a local instance
[HBASE-16293] - TestSnapshotFromMaster#testSnapshotHFileArchiving flakey
[HBASE-16294] - hbck reporting "No HDFS region dir found" for replicas
[HBASE-16296] - Reverse scan performance degrades when using filter lists
[HBASE-16300] - LruBlockCache.CACHE_FIXED_OVERHEAD should calculate LruBlockCache size correctly
[HBASE-16301] - Trigger flush without waiting when compaction is disabled on a table
[HBASE-16303] - FilterList with MUST_PASS_ONE optimization
[HBASE-16304] - HRegion#RegionScannerImpl#handleFileNotFoundException may lead to deadlock when trying to obtain write lock on updatesLock
[HBASE-16306] - Add specific imports to avoid namespace clash in defaultSource.scala
[HBASE-16309] - TestDefaultCompactSelection.testCompactionRatio is flaky
[HBASE-16310] - Revisit the logic of filterRowKey for Filters
[HBASE-16315] - RegionSizeCalculator prints region names as binary without escapes
[HBASE-16319] - Fix TestCacheOnWrite after HBASE-16288
[HBASE-16326] - CellModel / RowModel should override 'equals', 'hashCode' and 'toString'
[HBASE-16341] - Missing bit on "Regression: Random Read/WorkloadC slower in 1.x than 0.98"
[HBASE-16345] - RpcRetryingCallerWithReadReplicas#call() should catch some RegionServer Exceptions
[HBASE-16347] - Unevaluated expressions in book
[HBASE-16350] - Undo server abort from HBASE-14968
[HBASE-16353] - Deprecate / Remove Get.isClosestRowBefore()
[HBASE-16355] - hbase-client dependency on hbase-common test-jar should be test scope
[HBASE-16356] - REST API scanner: row prefix filter and custom filter parameters are mutually exclusive
[HBASE-16359] - NullPointerException in RSRpcServices.openRegion()
[HBASE-16360] - TableMapReduceUtil addHBaseDependencyJars has the wrong class name for PrefixTreeCodec
[HBASE-16361] - Revert of HBASE-16317, "revert all ESAPI..." broke TestLogLevel
[HBASE-16362] - Mob compaction does not set cacheBlocks to false when creating StoreScanner
[HBASE-16363] - Correct javadoc for qualifier length and value length in Cell interface
[HBASE-16367] - Race between master and region server initialization may lead to premature server abort
[HBASE-16368] - test*WhenRegionMove in TestPartialResultsFromClientSide is flaky
[HBASE-16375] - Mapreduce mini cluster using HBaseTestingUtility not setting correct resourcemanager and jobhistory webapp address of MapReduceTestingShim
[HBASE-16384] - Update report-flakies.py script to allow specifying a list of build ids to be excluded
[HBASE-16386] - Fix findbug RV_RETURN_VALUE_IGNORED: Method ignores return value In HRegionServer
[HBASE-16389] - Thread leak in CoprocessorHost#getTable(TableName) API
[HBASE-16390] - Fix documentation around setAutoFlush
[HBASE-16409] - Row key for bad row should be properly delimited in VerifyReplication
[HBASE-16429] - FSHLog: deadlock if rollWriter called when ring buffer filled with appends
[HBASE-16430] - Fix RegionServer Group's bug when moving multiple tables
[HBASE-16444] - CellUtil#estimatedSerializedSizeOfKey() should consider KEY_INFRASTRUCTURE_SIZE
[HBASE-16446] - append_peer_tableCFs failed when there already have this table's partial cfs in the peer
[HBASE-16454] - Compactor's shipping logic decision should be based on the current store's block size
[HBASE-16456] - Fix findbugs warnings in hbase-rsgroup module
[HBASE-16460] - Can't rebuild the BucketAllocator's data structures when BucketCache uses FileIOEngine
[HBASE-16464] - archive folder grows bigger and bigger due to corrupt snapshot under tmp dir
[HBASE-16471] - Region Server metrics context will be wrong when machine hostname contain "master" word
[HBASE-16490] - Fix race condition between SnapshotManager and SnapshotCleaner
[HBASE-16491] - A few org.apache.hadoop.hbase.rsgroup classes missing @InterfaceAudience annotation
[HBASE-16495] - When accessed via Thrift, all column families have timeToLive equal to -1
[HBASE-16499] - slow replication for small HBase clusters
[HBASE-16515] - AsyncProcess has incorrent count of tasks if the backoff policy is enabled
[HBASE-16527] - IOExceptions from DFS client still can cause CatalogJanitor to delete referenced files
[HBASE-16528] - Procedure-V2: ServerCrashProcedure misses owner information
[HBASE-16535] - Use regex to exclude generated classes for findbugs
[HBASE-16538] - Version mismatch in HBaseConfiguration.checkDefaultsVersion
[HBASE-16540] - Scan should do additional validation on start and stop row
[HBASE-16544] - Remove or Clarify 'Using Amazon S3 Storage' section in the reference guide
[HBASE-16547] - hbase-archetype-builder shell scripts assume bash is installed in /bin
[HBASE-16551] - Cleanup SplitLogManager and CatalogJanitor
[HBASE-16552] - MiniHBaseCluster#getServerWith() does not ignore stopped RSs
[HBASE-16556] - The read/write timeout are not used in HTable.delete(List), HTable.get(List), and HTable.existsAll(List)
[HBASE-16572] - Sync method in RecoverableZooKeeper failed to pass callback function in
[HBASE-16576] - Shell add_peer doesn't allow setting cluster_key for custom endpoints
[HBASE-16578] - Mob data loss after mob compaction and normal compaction
[HBASE-16589] - Adjust log level for FATAL messages from HBaseReplicationEndpoint that are not fatal
[HBASE-16604] - Scanner retries on IOException can cause the scans to miss data
[HBASE-16609] - Fake cells EmptyByteBufferedCell created in read path not implementing SettableSequenceId
[HBASE-16611] - Flakey org.apache.hadoop.hbase.client.TestReplicasClient.testCancelOfMultiGet
[HBASE-16612] - Use array to cache Types for KeyValue.Type.codeToType
[HBASE-16614] - Use daemon thread for netty event loop
[HBASE-16615] - Fix flaky TestScannerHeartbeatMessages
[HBASE-16621] - HBCK should have -fixHFileLinks
[HBASE-16622] - Fix some issues with the HBase reference guide
[HBASE-16624] - MVCC DeSerialization bug in the HFileScannerImpl
[HBASE-16630] - Fragmentation in long running Bucket Cache
[HBASE-16635] - RpcClient under heavy load leaks some netty bytebuf
[HBASE-16643] - Reverse scanner heap creation may not allow MSLAB closure due to improper ref counting of segments
[HBASE-16644] - Errors when reading legit HFile Trailer of old (v2.0) format file
[HBASE-16645] - Wrong range of Cells is caused by CellFlatMap#tailMap, headMap, and SubMap
[HBASE-16647] - hbck should do offline reference repair before online repair
[HBASE-16649] - Truncate table with splits preserved can cause both data loss and truncated data appeared again
[HBASE-16654] - Better handle channelInactive and close for netty rpc client
[HBASE-16660] - ArrayIndexOutOfBounds during the majorCompactionCheck in DateTieredCompaction
[HBASE-16662] - Fix open POODLE vulnerabilities
[HBASE-16663] - JMX ConnectorServer stopped when unauthorized user try to stop HM/RS/cluster
[HBASE-16664] - Timeout logic in AsyncProcess is broken
[HBASE-16665] - Check whether KeyValueUtil.createXXX could be replaced by CellUtil without copy
[HBASE-16669] - fix flaky TestAdmin#testmergeRegions
[HBASE-16670] - Make RpcServer#processRequest logic more robust
[HBASE-16675] - Average region size may be incorrect when there is region whose RegionLoad cannot be retrieved
[HBASE-16678] - MapReduce jobs do not update counters from ScanMetrics
[HBASE-16679] - Flush throughput controller: Minor perf change and fix flaky TestFlushWithThroughputController
[HBASE-16681] - Fix flaky TestReplicationSourceManagerZkImpl
[HBASE-16682] - Fix Shell tests failure. NoClassDefFoundError for MiniKdc
[HBASE-16688] - Split TestMasterFailoverWithProcedures
[HBASE-16693] - The commit of HBASE-16604 creates a unrelated folder
[HBASE-16696] - After HBASE-16604 - does not release blocks in case of scanner exception
[HBASE-16697] - bump TestRegionServerMetrics to LargeTests
[HBASE-16699] - Overflows in AverageIntervalRateLimiter's refill() and getWaitInterval()
[HBASE-16701] - TestHRegion and TestHRegionWithInMemoryFlush timing out
[HBASE-16704] - Scan will be broken while working with DBE and KeyValueCodecWithTags
[HBASE-16711] - Fix hadoop-3.0 profile compile
[HBASE-16712] - fix hadoop-3.0 profile mvn install
[HBASE-16716] - OfflineMetaRepair leaves empty directory inside /hbase/WALs which remains forever
[HBASE-16718] - TestMobFlushSnapshotFromClient,TestFlushSnapshotFromClient, TestRestoreFlushSnapshotFromClient are failing in QA builds
[HBASE-16721] - Concurrency issue in WAL unflushed seqId tracking
[HBASE-16722] - Document: Broken link in CatalogJanitor
[HBASE-16723] - RMI registry is not destroyed after stopping JMX Connector Server
[HBASE-16724] - Snapshot owner can't clone
[HBASE-16731] - Inconsistent results from the Get/Scan if we use the empty FilterList
[HBASE-16732] - Avoid possible NPE in MetaTableLocator
[HBASE-16733] - add hadoop 3.0.0-alpha1 to precommit checks
[HBASE-16739] - Timed out exception message should include encoded region name
[HBASE-16743] - TestSimpleRpcScheduler#testCoDelScheduling is broke
[HBASE-16746] - The log of “region close” should differ from “region move”
[HBASE-16752] - Upgrading from 1.2 to 1.3 can lead to replication failures due to difference in RPC size limit
[HBASE-16753] - There is a mismatch between suggested Java version in hbase-env.sh
[HBASE-16754] - Regions failing compaction due to referencing non-existent store file
[HBASE-16763] - Remove unintentional dependency on net.sf.ehcache.search.Results
[HBASE-16764] - hbase-protocol-shaded generate-shaded-classes profile unpacks shaded java files into wrong location
[HBASE-16765] - New SteppingRegionSplitPolicy, avoid too aggressive spread of regions for small tables.
[HBASE-16767] - Mob compaction needs to clean up files in /hbase/mobdir/.tmp and /hbase/mobdir/.tmp/.bulkload when running into IO exceptions
[HBASE-16768] - Inconsistent results from the Append/Increment
[HBASE-16769] - Deprecate/remove PB references from MasterObserver and RegionServerObserver
[HBASE-16771] - VerifyReplication should increase GOODROWS counter if re-comparison passes
[HBASE-16780] - Since move to protobuf3.1, Cells are limited to 64MB where previous they had no limit
[HBASE-16785] - We are not running all tests
[HBASE-16793] - Exclude shaded protobuf files from rat check
[HBASE-16801] - The Append/Increment may return the data from future
[HBASE-16807] - RegionServer will fail to report new active Hmaster until HMaster/RegionServer failover
[HBASE-16808] - Included the generated, shaded java files from "HBASE-15638 Shade protobuf" in our src assembly
[HBASE-16810] - HBase Balancer throws ArrayIndexOutOfBoundsException when regionservers are in /hbase/draining znode and unloaded
[HBASE-16815] - Low scan ratio in RPC queue tuning triggers divide by zero exception
[HBASE-16824] - Writer.flush() can be called on already closed streams in WAL roll
[HBASE-16829] - DemoClient should detect secure mode
[HBASE-16841] - Data loss in MOB files after cloning a snapshot and deleting that snapshot
[HBASE-16853] - Regions are assigned to Region Servers in /hbase/draining after HBase Master failover
[HBASE-16855] - Avoid NPE in MetricsConnection’s construction
[HBASE-16856] - Exception message in SyncRunner.run() should print currentSequence
[HBASE-16858] - TestFuzzyRowFilterEndToEnd fails in QA builds
[HBASE-16866] - Avoid NPE in AsyncRequestFutureImpl#updateStats
[HBASE-16870] - Add the metrics of replication sources which were transformed from other dead rs to ReplicationLoad
[HBASE-16875] - Changed try-with-resources in the docs to recommended way
[HBASE-16880] - Correct the javadoc/behaviour of the APIs in ByteBufferUtils
[HBASE-16884] - Add HBase-2.0.x to the hadoop version support matrix in our documentation
[HBASE-16886] - hbase-client: scanner with reversed=true and small=true gets no result
[HBASE-16887] - Allow setting different hadoopcheck versions in precommit for different branches
[HBASE-16889] - Proc-V2: verifyTables in the IntegrationTestDDLMasterFailover test after each table DDL is incorrect
[HBASE-16910] - Avoid NPE when starting StochasticLoadBalancer
[HBASE-16929] - Move default method of shipped to Shipper interface
[HBASE-16930] - AssignmentManager#checkWals() function can recur infinitely
[HBASE-16931] - Setting cell's seqId to zero in compaction flow might cause RS down.
[HBASE-16938] - TableCFsUpdater maybe failed due to no write permission on peerNode
[HBASE-16939] - ExportSnapshot: set owner and permission on right directory
[HBASE-16948] - Fix inconsistency between HRegion and Region javadoc on getRowLock
[HBASE-16949] - Fix RAT License complaint about the hbase-protocol-shaded/src/main/patches content
[HBASE-16960] - RegionServer hang when aborting
[HBASE-16962] - Add readPoint to preCompactScannerOpen() and preFlushScannerOpen() API
[HBASE-16964] - Successfully archived files are not cleared from compacted store file list if archiving of any file fails
[HBASE-16966] - Re-enable TestSimpleRpcScheduler#testCoDelScheduling in master branch
[HBASE-16971] - The passed durability of Append/Increment isn't used in wal sync
[HBASE-16974] - Update os-maven-plugin to 1.4.1.final+ for building shade file on RHEL/CentOS
[HBASE-16976] - hbase-protocol-shaded module generates classes to wrong directory
[HBASE-16980] - TestRowProcessorEndpoint failing consistently
[HBASE-16983] - TestMultiTableSnapshotInputFormat failing with Unable to create region directory: /tmp/...
[HBASE-16985] - TestClusterId failed due to wrong hbase rootdir
[HBASE-16989] - RowProcess#postBatchMutate doesn’t be executed before the mvcc transaction completion
[HBASE-16992] - The usage of mutation from CP is weird.
[HBASE-16993] - BucketCache throw java.io.IOException: Invalid HFile block magic when configuring hbase.bucketcache.bucket.sizes
[HBASE-17020] - keylen in midkey() dont computed correctly
[HBASE-17032] - CallQueueTooBigException and CallDroppedException should not be triggering PFFE
[HBASE-17033] - LogRoller makes a lot of allocations unnecessarily
[HBASE-17039] - SimpleLoadBalancer schedules large amount of invalid region moves
[HBASE-17042] - Remove 'public' keyword from MasterObserver interface
[HBASE-17044] - Fix merge failed before creating merged region leaves meta inconsistent
[HBASE-17052] - compile-protobuf profile does not compile protobufs in some modules anymore
[HBASE-17054] - Compactor#preCreateCoprocScanner should be passed user
[HBASE-17056] - Remove checked in PB generated files
[HBASE-17058] - Lower epsilon used for jitter verification from HBASE-15324
[HBASE-17062] - RegionSplitter throws ClassCastException
[HBASE-17069] - RegionServer writes invalid META entries for split daughters in some circumstances
[HBASE-17072] - CPU usage starts to climb up to 90-100% when using G1GC; purge ThreadLocal usage
[HBASE-17074] - PreCommit job always fails because of OOM
[HBASE-17078] - hadoop.profile=3.0 profile build fails because hadoop-three-compat.xml does not exist
[HBASE-17079] - HBase build fails on windows, hbase-archetype-builder is reason for failure
[HBASE-17082] - ForeignExceptionUtil isn’t packaged when building shaded protocol with -Pcompile-protobuf
[HBASE-17091] - IntegrationTestZKAndFSPermissions failed with 'KeeperException$NoNodeException'
[HBASE-17092] - Both LoadIncrementalHFiles#doBulkLoad() methods should set return value
[HBASE-17095] - The ClientSimpleScanner keeps retrying if the hfile is corrupt or cannot found
[HBASE-17105] - Annotate RegionServerObserver
[HBASE-17112] - Prevent setting timestamp of delta operations the same as previous value's
[HBASE-17116] - [PerformanceEvaluation] Add option to configure block size
[HBASE-17118] - StoreScanner leaked in KeyValueHeap
[HBASE-17125] - Inconsistent result when use filter to read data
[HBASE-17127] - Locate region should fail fast if underlying Connection already closed
[HBASE-17131] - Avoid livelock caused by HRegion#processRowsWithLocks
[HBASE-17133] - Backup documentation update
[HBASE-17144] - Possible offheap read ByteBuffers leak
[HBASE-17158] - Avoid deadlock caused by HRegion#doDelta
[HBASE-17160] - Undo unnecessary inter-module dependency; spark to hbase-it and hbase-it to shell
[HBASE-17166] - ITBLL fails on master unable to find hbase-protocol-shaded content
[HBASE-17170] - HBase is also retrying DoNotRetryIOException because of class loader differences.
[HBASE-17171] - IntegrationTestTimeBoundedRequestsWithRegionReplicas fails with obtuse error when readers have no time to run
[HBASE-17186] - MasterProcedureTestingUtility#testRecoveryAndDoubleExecution displays stale procedure state info
[HBASE-17187] - DoNotRetryExceptions from coprocessors should bubble up to the application
[HBASE-17192] - remove use of scala-tools.org from pom
[HBASE-17197] - hfile does not work in 2.0
[HBASE-17206] - FSHLog may roll a new writer successfully with unflushed entries
[HBASE-17224] - There are lots of spelling errors in the HBase logging and exception messages
[HBASE-17228] - precommit grep -c ERROR may grab non errors
[HBASE-17231] - Region#getCellCompartor sp?
[HBASE-17237] - Override the correct compact method in HMobStore
[HBASE-17240] - ImportTsv encounters ClassNotFoundException for MasterProtos$MasterService$BlockingInterface
[HBASE-17248] - SimpleRegionNormalizer javadoc correction
[HBASE-17252] - Wrong arguments for ValueAndTagRewriteCell in CellUtil
[HBASE-17256] - Rpc handler monitoring will be removed when the task queue is full
[HBASE-17271] - hbase-thrift QA tests only run one test
[HBASE-17286] - LICENSE.txt in binary tarball contains only ASL text
[HBASE-17287] - Master becomes a zombie if filesystem object closes
[HBASE-17290] - Potential loss of data for replication of bulk loaded hfiles
[HBASE-17297] - Single Filter in parenthesis cannot be parsed correctly
[HBASE-17302] - The region flush request disappeared from flushQueue
[HBASE-17309] - Fix connection leaks in TestAcidGuarantees
[HBASE-17326] - Fix findbugs warning in BufferedMutatorParams
[HBASE-17328] - Properly dispose of looped replication peers
[HBASE-17330] - SnapshotFileCache will always refresh the file cache
[HBASE-17333] - HBASE-17294 always ensures CompactingMemstore is default
[HBASE-17341] - Add a timeout during replication endpoint termination
[HBASE-17344] - The regionserver web UIs miss the coprocessors of RegionServerCoprocessorHost.
[HBASE-17347] - ExportSnapshot may write snapshot info file to wrong directory when specifying target name
[HBASE-17351] - Enforcer plugin fails with NullPointerException
[HBASE-17352] - Fix hbase-assembly build with bash 4
[HBASE-17357] - PerformanceEvaluation parameters parsing triggers NPE.
[HBASE-17366] - Run TestHFile#testReaderWithoutBlockCache failes
[HBASE-17374] - ZKPermissionWatcher crashed when grant after region close
[HBASE-17376] - ClientAsyncPrefetchScanner may fail due to too many rows
[HBASE-17381] - ReplicationSourceWorkerThread can die due to unhandled exceptions
[HBASE-17385] - Change usage documentation from bin/hbase to hbase in various tools
[HBASE-17387] - Reduce the overhead of exception report in RegionActionResult for multi()
[HBASE-17390] - Online update of configuration for all servers leaves out masters
[HBASE-17403] - ClientAsyncPrefetchScanner doesn’t load any data if the MaxResultSize is too small
[HBASE-17407] - Correct update of maxFlushedSeqId in HRegion
[HBASE-17421] - Update refguide w.r.t. MOB Sweeper
[HBASE-17424] - Protect REST client against malicious XML responses.
[HBASE-17426] - Inconsistent environment variable names for enabling JMX
[HBASE-17429] - HBase bulkload cannot support HDFS viewFs
[HBASE-17430] - dead links in ref guide to class javadocs that moved out of user APIs.
[HBASE-17434] - New Synchronization Scheme for Compaction Pipeline
[HBASE-17435] - Call to preCommitStoreFile() hook encounters SaslException in secure deployment
[HBASE-17441] - precommit test "hadoopcheck" not properly testing Hadoop 3 profile
[HBASE-17445] - Count size of serialized exceptions in checking max result size quota
[HBASE-17450] - TablePermission#equals throws NPE after namespace support was added
[HBASE-17452] - Failed taking snapshot - region Manifest proto-message too large
[HBASE-17460] - enable_table_replication can not perform cyclic replication of a table
[HBASE-17464] - Fix HBaseTestingUtility.getNewDataTestDirOnTestFS to always return a unique path
[HBASE-17469] - Properly handle empty TableName in TablePermission#readFields and #write
[HBASE-17471] - Region Seqid will be out of order in WAL if using mvccPreAssign
[HBASE-17475] - Stack overflow in AsyncProcess if retry too much
[HBASE-17482] - mvcc mechanism fails when using mvccPreAssign
[HBASE-17486] - Tighten the contract for batch client methods
[HBASE-17489] - ClientScanner may send a next request to a RegionScanner which has been exhausted
[HBASE-17496] - RSGroup shell commands:get_server_rsgroup don't work and commands display an incorrect result size
[HBASE-17501] - NullPointerException after Datanodes Decommissioned and Terminated
[HBASE-17513] - Thrift Server 1 uses different QOP settings than RPC and Thrift Server 2 and can easily be misconfigured so there is no encryption when the operator expects it.
[HBASE-17518] - HBase Reference Guide has a syntax error
[HBASE-17522] - RuntimeExceptions from MemoryMXBean should not take down server process
[HBASE-17538] - HDFS.setStoragePolicy() logs errors on local fs
[HBASE-17540] - Change SASL server GSSAPI callback log line from DEBUG to TRACE in RegionServer to reduce log volumes in DEBUG mode
[HBASE-17545] - 'mvn test' does not run all the tests in hbase-endpoint
[HBASE-17558] - ZK dumping jsp should escape html
[HBASE-17565] - StochasticLoadBalancer may incorrectly skip balancing due to skewed multiplier sum
[HBASE-17578] - Thrift per-method metrics should still update in the case of exceptions
[HBASE-17581] - mvn clean test -PskipXXXTests does not work properly for some modules
[HBASE-17582] - Drop page cache hint is broken
[HBASE-17587] - Do not Rethrow DoNotRetryIOException as UnknownScannerException
[HBASE-17590] - Drop cache hint should work for StoreFile write path
[HBASE-17593] - Fix build with hadoop 3 profile
[HBASE-17601] - close() in TableRecordReaderImpl assumes the split has started
[HBASE-17603] - REST API for scan should return 404 when table does not exist
[HBASE-17606] - Fix failing TestRpcControllerFactory introduced by HBASE-17508
[HBASE-17607] - Rest api for scan should return 404 when table not exists
[HBASE-17611] - Thrift 2 per-call latency metrics are capped at ~ 2 seconds
[HBASE-17616] - Incorrect actions performed by CM
[HBASE-17622] - Add hbase-metrics package to TableMapReduceUtil
[HBASE-17624] - Address late review of HBASE-6721, rsgroups feature
[HBASE-17631] - Canary interval too low
[HBASE-17638] - Remove duplicated initialization of CacheConfig in HRegionServer
[HBASE-17639] - Do not stop server if ReplicationSourceManager's waitUntilCanBePushed throws InterruptedException
[HBASE-17640] - Unittest error in TestMobCompactor with different timezone
[HBASE-17648] - HBase Table-level synchronization fails between two secured(kerberized) clusters
[HBASE-17649] - REST API for scan should return 410 when table is disabled
[HBASE-17653] - HBASE-17624 rsgroup synchronizations will (distributed) deadlock
[HBASE-17658] - Fix bookkeeping error with max regions for a table
[HBASE-17660] - HFileSplitter is not being applied during full table restore
[HBASE-17661] - fix the queue length passed to FastPathBalancedQueueRpcExecutor
[HBASE-17670] - LruBlockCache with VictimHandler should evict from bucket cache also when eviction by filename happens
[HBASE-17673] - Monitored RPC Handler not shown in the WebUI
[HBASE-17674] - Major compaction may be cancelled in CompactionChecker
[HBASE-17675] - ReplicationEndpoint should choose new sinks if a SaslException occurs
[HBASE-17677] - ServerName parsing from directory name should be more robust to errors from guava's HostAndPort
[HBASE-17682] - Region stuck in merging_new state indefinitely
[HBASE-17688] - MultiRowRangeFilter not working correctly if given same start and stop RowKey
[HBASE-17698] - ReplicationEndpoint choosing sinks
[HBASE-17699] - Fix TestLockProcedure
[HBASE-17705] - Procedure execution must fail fast if procedure is not registered
[HBASE-17706] - TableSkewCostFunction improperly computes max skew
[HBASE-17710] - HBase in standalone mode creates directories with 777 permission
[HBASE-17712] - Remove/Simplify the logic of RegionScannerImpl.handleFileNotFound
[HBASE-17713] - the interface '/version/cluster' with header 'Accept: application/json' return is not JSON but plain text
[HBASE-17717] - Incorrect ZK ACL set for HBase superuser
[HBASE-17718] - Difference between RS's servername and its ephemeral node cause SSH stop working
[HBASE-17722] - Metrics subsystem stop/start messages add a lot of useless bulk to operational logging
[HBASE-17723] - ClientAsyncPrefetchScanner may end prematurely when the size of the cache is one
[HBASE-17729] - Missing shortcuts for some useful HCD options
[HBASE-17736] - Some options can't be configured by the shell
[HBASE-17746] - TestSimpleRpcScheduler.testCoDelScheduling is broken
[HBASE-17760] - HDFS Balancer doc is misleading
[HBASE-17761] - Test TestRemoveRegionMetrics.testMoveRegion fails intermittently because of race condition
[HBASE-17763] - IPCUtil.wrapException will wrap DoNotRetryIOException with IOException
[HBASE-17772] - IntegrationTestRSGroup won't run
[HBASE-17773] - VerifyReplication tool wrongly emits warning "ERROR: Invalid argument '--recomparesleep=xx'"
[HBASE-17779] - disable_table_replication returns misleading message and does not turn off replication
[HBASE-17780] - BoundedByteBufferPool "At capacity" messages are not actionable
[HBASE-17781] - TestAcidGuarantees is broken
[HBASE-17785] - RSGroupBasedLoadBalancer fails to assign new table regions when cloning snapshot
[HBASE-17792] - Use a shared thread pool for AtomicityWriter, AtomicGetReader, AtomicScanReader's connections in TestAcidGuarantees
[HBASE-17798] - RpcServer.Listener.Reader can abort due to CancelledKeyException
[HBASE-17803] - PE always re-creates table when we specify the split policy
[HBASE-17807] - correct the value of zookeeper.session.timeout in hbase doc
[HBASE-17811] - TestThriftHttpServer.testRunThriftServerWithHeaderBufferLength is broken in "branch-1"
[HBASE-17812] - Remove RpcConnection from pool in AbstractRpcClient.cancelConnections
[HBASE-17816] - HRegion#mutateRowWithLocks should update writeRequestCount metric
[HBASE-17821] - The CompoundConfiguration#toString is wrong
[HBASE-17839] - "Data Model" section: Table 1 has only 5 data rows instead 6.
[HBASE-17853] - Link to "Why does HBase care about /etc/hosts?" does not work
[HBASE-17862] - Condition that always returns true
[HBASE-17863] - Procedure V2: Proc Executor cleanup. Split FINISHED state to two states: SUCCESS and FAILED.
[HBASE-17869] - UnsafeAvailChecker wrongly returns false on ppc
[HBASE-17871] - scan#setBatch(int) call leads wrong result of VerifyReplication
[HBASE-17874] - Limiting of read request response size based on block size may go wrong when blocks are read from onheap or off heap bucket cache
[HBASE-17878] - java.lang.NoSuchMethodError: org.joda.time.format.DateTimeFormatter.withZoneUTC()Lorg/joda/time/format/DateTimeFormatter when starting HBase with hbase.rootdir on S3
[HBASE-17879] - Avoid NPE in snapshot.jsp when accessing without any request parameter
[HBASE-17886] - Fix compatibility of ServerSideScanMetrics
[HBASE-17900] - VerifyReplication - input param variables declared as static causing issues to run VerifyReplication multiple times in single JVM(mainly for unit tests)
[HBASE-17903] - Corrected the alias for the link of HBASE-6580
[HBASE-17904] - Get runs into NoSuchElementException when using Read Replica, with hbase. ipc.client.specificThreadForWriting to be true and hbase.rpc.client.impl to be org.apache.hadoop.hbase.ipc.RpcClientImpl
[HBASE-17905] - [hbase-spark] bulkload does not work when table not exist
[HBASE-17930] - Avoid using Canary.sniff in HBaseTestingUtility
[HBASE-17931] - Assign system tables to servers with highest version
[HBASE-17936] - Refine sum endpoint example in ref guide
[HBASE-17937] - Memstore size becomes negative in case of expensive postPut/Delete Coprocessor call
[HBASE-17940] - HMaster can not start due to Jasper related classes conflict
[HBASE-17941] - CellArrayMap#getCell may throw IndexOutOfBoundsException
[HBASE-17943] - The in-memory flush size is different for each CompactingMemStore located in the same region
[HBASE-17946] - Shell command compact_rs don't work
[HBASE-17947] - Location of Examples.proto is wrong in comment of RowCountEndPoint.java
[HBASE-17950] - Write the chunkId also as Int instead of long into the first byte of the chunk
[HBASE-17957] - Custom metrics of replicate endpoints don't prepend "source." to global metrics
[HBASE-17958] - Avoid passing unexpected cell to ScanQueryMatcher when optimize SEEK to SKIP
[HBASE-17964] - ensure hbase-metrics-api is included in mapreduce job classpaths
[HBASE-17970] - Set yarn.app.mapreduce.am.staging-dir when starting MiniMRCluster
[HBASE-17975] - TokenUtil.obtainToken squashes remote exceptions
[HBASE-17982] - Is the word "occured" should be "occurred ?
[HBASE-17985] - Inline package manage updates with package installation in Yetus Dockerfile
[HBASE-17988] - get-active-master.rb and draining_servers.rb no longer work
[HBASE-17991] - Add more details about compaction queue on /dump
[HBASE-17997] - In dev environment, add jruby-complete jar to classpath only when jruby is needed
[HBASE-18000] - Make sure we always return the scanner id with ScanResponse
[HBASE-18005] - read replica: handle the case that region server hosting both primary replica and meta region is down
[HBASE-18006] - AsyncClientScanner does not retry openScan RPCs
[HBASE-18024] - HRegion#initializeRegionInternals should not re-create .hregioninfo file when the region directory no longer exists
[HBASE-18025] - CatalogJanitor should collect outdated RegionStates from the AM
[HBASE-18027] - Replication should respect RPC size limits when batching edits
[HBASE-18030] - Per Cell TTL tags may get duplicated with increments/Append causing tags length overflow
[HBASE-18035] - Meta replica does not give any primaryOperationTimeout to primary meta region
[HBASE-18042] - Client Compatibility breaks between versions 1.2 and 1.3
[HBASE-18049] - It is not necessary to re-open the region when MOB files cannot be found
[HBASE-18051] - balance_rsgroup still run when the Load Balancer is not enabled.
[HBASE-18053] - AsyncTableResultScanner will hang when scan wrong column family
[HBASE-18054] - log when we add/remove failed servers in client
[HBASE-18055] - Releasing L2 cache HFileBlocks before shipped() when switching from pread to stream causes result corruption
[HBASE-18058] - Zookeeper retry sleep time should have an upper limit
[HBASE-18069] - Fix flaky test TestReplicationAdminWithClusters#testDisableAndEnableReplication
[HBASE-18071] - Fix flaky test TestStochasticLoadBalancer#testBalanceCluster
[HBASE-18077] - Update JUnit license to EPL from CPL
[HBASE-18081] - The way we process connection preamble in SimpleRpcServer is broken
[HBASE-18084] - Improve CleanerChore to clean from directory which consumes more disk space
[HBASE-18085] - Prevent parallel purge in ObjectPool
[HBASE-18088] - The version of scala plugin in the reporting section is missing
[HBASE-18092] - Removing a peer does not properly clean up the ReplicationSourceManager state and metrics
[HBASE-18093] - Overloading the meaning of 'enabled' in Quota Manager to indicate either quota disabled or quota manager not ready is not good
[HBASE-18099] - FlushSnapshotSubprocedure should wait for concurrent Region#flush() to finish
[HBASE-18111] - Replication stuck when cluster connection is closed
[HBASE-18113] - Handle old client without include_stop_row flag when startRow equals endRow
[HBASE-18118] - Default storage policy if not configured cannot be "NONE"
[HBASE-18120] - Fix TestAsyncRegionAdminApi
[HBASE-18122] - Scanner id should include ServerName of region server
[HBASE-18125] - HBase shell disregards spaces at the end of a split key in a split file
[HBASE-18129] - truncate_preserve fails when the truncate method doesn't exists on the master
[HBASE-18132] - Low replication should be checked in period in case of datanode rolling upgrade
[HBASE-18137] - Replication gets stuck for empty WALs
[HBASE-18141] - Regionserver fails to shutdown when abort triggered in RegionScannerImpl during RPC call
[HBASE-18142] - Deletion of a cell deletes the previous versions too
[HBASE-18143] - [AMv2] Backoff on failed report of region transition quickly goes to astronomical time scale
[HBASE-18145] - The flush may cause the corrupt data for reading
[HBASE-18149] - The setting rules for table-scope attributes and family-scope attributes should keep consistent
[HBASE-18155] - TestMasterProcedureWalLease is flakey
[HBASE-18158] - Two running in-memory compaction threads may lose data
[HBASE-18166] - [AMv2] We are splitting already-split files
[HBASE-18177] - FanOutOneBlockAsyncDFSOutputHelper fails to compile against Hadoop 3
[HBASE-18180] - Possible connection leak while closing BufferedMutator in TableOutputFormat
[HBASE-18184] - Add hbase-hadoop2-compat jar as MapReduce job dependency
[HBASE-18185] - IntegrationTestTimeBoundedRequestsWithRegionReplicas unbalanced tests fails with AssertionError
[HBASE-18192] - Replication drops recovered queues on region server shutdown
[HBASE-18193] - Master web UI presents the incorrect number of regions
[HBASE-18195] - Remove redundant single quote from start message for HMaster and HRegionServer
[HBASE-18199] - Race in NettyRpcConnection may cause call stuck in BufferCallBeforeInitHandler forever
[HBASE-18200] - Set hadoop check versions for branch-2 and branch-2.x in pre commit
[HBASE-18207] - branch-2 build fails in the checkstyle phase
[HBASE-18209] - Include httpclient / httpcore jars in build artifacts
[HBASE-18212] - In Standalone mode with local filesystem HBase logs Warning message:Failed to invoke 'unbuffer' method in class class org.apache.hadoop.fs.FSDataInputStream
[HBASE-18216] - [AMv2] Workaround for HBASE-18152, corrupt procedure WAL
[HBASE-18219] - Fix typo in constant HConstants.HBASE_CLIENT_MEAT_REPLICA_SCAN_TIMEOUT
[HBASE-18225] - Fix findbugs regression calling toString() on an array
[HBASE-18227] - [AMv2] Fix test hbase.coprocessor.TestCoprocessorMetrics#testRegionObserverAfterRegionClosed
[HBASE-18230] - Generated LICENSE file includes unsubstituted Velocity variables
[HBASE-18235] - LoadBalancer.BOGUS_SERVER_NAME should not have a bogus hostname
[HBASE-18244] - org.apache.hadoop.hbase.client.rsgroup.TestShellRSGroups hangs/fails
[HBASE-18246] - Proc-V2 AM: Maintain Data locality in ServerCrashProcedure
[HBASE-18254] - ServerCrashProcedure checks and waits for meta initialized, instead should check and wait for meta loaded
[HBASE-18259] - HBase book link to "beginner" issues includes resolved issues
[HBASE-18260] - Address new license dependencies from hadoop3-alpha4
[HBASE-18262] - name of parameter quote need update in hbase-default.xml
[HBASE-18263] - Resolve NPE in backup Master UI when access to procedures.jsp
[HBASE-18265] - Correct the link unuseful in regionServer's region state UI
[HBASE-18267] - The result from the postAppend is ignored
[HBASE-18274] - hbase autorestart will overwrite the gc log
[HBASE-18278] - [AMv2] Enable and fix uni test hbase.master.procedure.TestServerCrashProcedure#testRecoveryAndDoubleExecutionOnRsWithMeta
[HBASE-18282] - ReplicationLogCleaner can delete WALs not yet replicated in case of a KeeperException
[HBASE-18287] - Remove log warning in PartitionedMobCompactor.java#getFileStatus
[HBASE-18290] - Fix TestAddColumnFamilyProcedure and TestDeleteTableProcedure
[HBASE-18292] - Fix flaky test hbase.master.locking.TestLockProcedure#testLocalMasterLockRecovery()
[HBASE-18301] - Enable TestSimpleRegionNormalizerOnCluster#testRegionNormalizationMergeOnCluster that was disabled by Proc-V2 AM in HBASE-14614
[HBASE-18302] - Protobuf section in the docs needs some clean up
[HBASE-18306] - Get rid of TableDescriptor#getConfiguration
[HBASE-18310] - LoadTestTool unable to write data
[HBASE-18311] - clean up the quickstart guide
[HBASE-18312] - Ineffective handling of FileNotFoundException in FileLink$FileLinkInputStream.tryOpen()
[HBASE-18320] - Address maven-site-plugin upgrade steps
[HBASE-18323] - Remove multiple ACLs for the same user in kerberos
[HBASE-18325] - Disable flakey TestMasterProcedureWalLease
[HBASE-18329] - update links in config guide to point to java 8 references
[HBASE-18330] - NPE in ReplicationZKLockCleanerChore
[HBASE-18335] - clean up configuration guide
[HBASE-18337] - hbase-shaded-server brings in signed jars
[HBASE-18341] - Update findHangingTests.py script to match changed consoleText of trunk build
[HBASE-18348] - The implementation of AsyncTableRegionLocator does not follow the javadoc
[HBASE-18350] - RSGroups are broken under AMv2
[HBASE-18352] - Enable TestMasterOperationsForRegionReplicas#testCreateTableWithMultipleReplicas disabled by Proc-V2 AM in HBASE-14614
[HBASE-18353] - Enable TestCorruptedRegionStoreFile that were disabled by Proc-V2 AM in HBASE-14614
[HBASE-18354] - Fix TestMasterMetrics that were disabled by Proc-V2 AM in HBASE-14614
[HBASE-18355] - Enable export snapshot tests that were disabled by Proc-V2 AM in HBASE-14614
[HBASE-18356] - Enable TestFavoredStochasticBalancerPickers#testPickers that was disabled by Proc-V2 AM in HBASE-14614
[HBASE-18357] - Enable disabled tests in TestHCM that were disabled by Proc-V2 AM in HBASE-14614
[HBASE-18358] - Backport HBASE-18099 'FlushSnapshotSubprocedure should wait for concurrent Region#flush() to finish' to branch-1.3
[HBASE-18362] - hbck should not report split replica parent region from meta as errors
[HBASE-18369] - hbase thrift web-ui not available
[HBASE-18377] - Error handling for FileNotFoundException should consider RemoteException in openReader()
[HBASE-18390] - Sleep too long when finding region location failed
[HBASE-18393] - hbase shell non-interactive broken
[HBASE-18404] - Small typo on ACID documentation page
[HBASE-18406] - In ServerCrashProcedure.java start(MasterProcedureEnv) is a no-op
[HBASE-18427] - minor cleanup around AssignmentManager
[HBASE-18430] - Typo in "contributing to documentation" page
[HBASE-18431] - Mitigate compatibility concerns between branch-1.3 and branch-1.4
[HBASE-18433] - Convenience method for creating simple ColumnFamilyDescriptor
[HBASE-18437] - Revoke access permissions of a user from a table does not work as expected
[HBASE-18438] - Precommit doesn't warn about unused imports
[HBASE-18441] - ZookeeperWatcher#interruptedException should throw exception
[HBASE-18445] - Upgrading Guava broke hadoop-3.0 profile
[HBASE-18447] - MetricRegistryInfo#hashCode uses hashCode instead of toHashCode
[HBASE-18449] - Fix client.locking.TestEntityLocks#testHeartbeatException
[HBASE-18452] - VerifyReplication by Snapshot should cache HDFS token before submit job for kerberos env.
[HBASE-18461] - Build broken If the username contains a backslash
[HBASE-18470] - Remove the redundant comma from RetriesExhaustedWithDetailsException#getDesc
[HBASE-18471] - The DeleteFamily cell is skipped when StoreScanner seeks to next column
[HBASE-18472] - Add guava license and update supplemental-models.xml
[HBASE-18473] - VC.listLabels() erroneously closes any connection
[HBASE-18475] - MasterProcedureScheduler incorrectly passes null Procedure to table locking
[HBASE-18476] - HTable#put should call RS#mutate rather than RS#multi
[HBASE-18480] - The cost of BaseLoadBalancer.cluster is changed even if the rollback is done
[HBASE-18481] - The autoFlush flag was not used in PE tool
[HBASE-18487] - Minor fixes in row lock implementation
[HBASE-18490] - Modifying a table descriptor to enable replicas does not create replica regions
[HBASE-18491] - [AMv2] Fail UnassignProcedure if source Region Server is not online.
[HBASE-18492] - [AMv2] Embed code for selecting highest versioned region server for system table regions in AssignmentManager.processAssignQueue()
[HBASE-18493] - [AMv2] On region server crash do not process system table regions through AssignmentManager.checkIfShouldMoveSystemRegionAsync()
[HBASE-18505] - Our build/yetus personality will run tests on individual modules and then on all (i.e. 'root'). Should do one or other
[HBASE-18516] - [AMv2] Remove dead code in ServerManager resulted mostly from AMv2 refactoring
[HBASE-18517] - limit max log message width in log4j
[HBASE-18525] - TestAssignmentManager#testSocketTimeout fails in master branch
[HBASE-18526] - FIFOCompactionPolicy pre-check uses wrong scope
[HBASE-18543] - Re-enable test master.TestMasterFailover on master
[HBASE-18551] - [AMv2] UnassignProcedure and crashed regionservers
[HBASE-18557] - change splitable to mergeable in MergeTableRegionsProcedure
[HBASE-18560] - Test master.assignment.TestAssignmentManager hangs on master and its in flaky list
[HBASE-18563] - Fix RAT License complaint about website jenkins scripts
[HBASE-18568] - Correct metric of numRegions
[HBASE-18572] - Delete can't remove the cells which have no visibility label
[HBASE-18575] - [AMv2] Enable and fix TestRestartCluster#testRetainAssignmentOnRestart on master
[HBASE-18577] - shaded client includes several non-relocated third party dependencies
[HBASE-18587] - Fix Flaky TestFileIOEngine
[HBASE-18592] - [hbase-thirdparty] Doc on new hbase-thirdparty dependency for the refguide
[HBASE-18598] - AsyncNonMetaRegionLocator use FIFO algorithm to get a candidate locate request
[HBASE-18599] - Add missing @Deprecated annotations
[HBASE-18606] - Tests in hbase-spark module fail with UnsatisfiedLinkError
[HBASE-18607] - fix submit-patch.py to support utf8
[HBASE-18614] - Setting BUCKET_CACHE_COMBINED_KEY to false disables stats on RS UI
[HBASE-18615] - hbase-rest tests fail in hbase-2.0.0-alpha2
[HBASE-18617] - FuzzyRowKeyFilter should not modify the filter pairs
[HBASE-18627] - Fix TestRegionServerReadRequestMetrics
[HBASE-18628] - ZKPermissionWatcher blocks all ZK notifications
[HBASE-18633] - Add more info to understand the source/scenario of large batch requests exceeding threshold
[HBASE-18634] - Fix client.TestClientClusterStatus
[HBASE-18635] - Fix asciidoc warnings
[HBASE-18637] - Update the link of "Bending time in HBase"
[HBASE-18640] - Move mapreduce out of hbase-server into separate hbase-mapreduce module
[HBASE-18641] - Include block content verification logic used in lruCache in bucketCache
[HBASE-18644] - Duplicate "compactionQueueLength" metric in Region Server metrics
[HBASE-18647] - Parameter cacheBlocks does not take effect in REST API for scan
[HBASE-18655] - TestAsyncClusterAdminApi2 failing sometimes
[HBASE-18665] - ReversedScannerCallable invokes getRegionLocations incorrectly
[HBASE-18671] - Support Append/Increment in rest api
[HBASE-18679] - YARN may null Counters object and cause an NPE in ITBLL
[HBASE-18714] - The dropBehind and readahead don't be applied when useHBaseChecksum is enabled
[HBASE-18723] - [pom cleanup] Do a pass with dependency:analyze; remove unused and explicity list the dependencies we exploit
[HBASE-18741] - Remove cancel command from backup code
[HBASE-18743] - HFiles in use by a table which has the same name and namespace with a default table cloned from snapshot may be deleted when that snapshot and default table are deleted
[HBASE-18757] - Fix Improper bitwise & in BucketCache offset calculation
[HBASE-18759] - Fix hbase-shaded-check-invariants failure
[HBASE-18762] - Canary sink type cast error
[HBASE-18763] - quotas.TestQuotaThrottle failing on all nightly runs
[HBASE-18765] - The value of balancerRan is true even though no plans are executed
[HBASE-18771] - Incorrect StoreFileRefresh leading to split and compaction failures
[HBASE-18787] - Fix the "dependencies connecting to an HBase cluster"
[HBASE-18789] - Displays the reporting interval of each RS on the Master page
[HBASE-18791] - HBASE_HOME/lib does not contain hbase-mapreduce-${project.version}-tests.jar
[HBASE-18796] - Admin#isTableAvailable returns incorrect result before daughter regions are opened
[HBASE-18801] - Bulk load cleanup may falsely deem file deletion successful
[HBASE-18803] - Mapreduce job get failed caused by NoClassDefFoundError: org/apache/commons/lang3/ArrayUtils
[HBASE-18808] - Ineffective config check in BackupLogCleaner#getDeletableFiles()
[HBASE-18813] - TestCanaryTool fails on branch-1 / branch-1.4
[HBASE-18818] - TestConnectionImplemenation fails
[HBASE-18830] - TestCanaryTool does not check Canary monitor's error code
[HBASE-18831] - Add explicit dependency on javax.el
[HBASE-18832] - LTT fails with casting exception for HColumnDescriptor
[HBASE-18834] - fix shellcheck warning on hbase personality
[HBASE-18836] - Note need for explicit javax.el and exclude from shaded artifacts
[HBASE-18838] - shaded artifacts are incorrect when built against hadoop 3
[HBASE-18844] - Release hbase-2.0.0-alpha-4; Theme "Coprocessor API Cleanup"
[HBASE-18845] - TestReplicationSmallTests fails after HBASE-14004
[HBASE-18846] - Accommodate the hbase-indexer/lily/SEP consumer deploy-type
[HBASE-18851] - LICENSE failure after HADOOP-14799 with Hadoop 3
[HBASE-18852] - Take down the hbasecon asia banner on home page
[HBASE-18853] - hbase-protocol-shaded includes protobuf (since we moved to hbase-thirdparty)
[HBASE-18866] - clean up warnings about proto syntax
[HBASE-18874] - HMaster abort message will be skipped if Throwable is passed null
[HBASE-18876] - Backup create command fails to take queue parameter as option
[HBASE-18880] - Failed to start rest server if the value of hbase.rest.threads.max is too small.
[HBASE-18885] - HFileOutputFormat2 hardcodes default FileOutputCommitter
[HBASE-18887] - After full backup passed on hdfs root and incremental failed, full backup cannot be cleaned
[HBASE-18888] - StealJobQueue should call super() to init the PriorityBlockingQueue
[HBASE-18893] - Remove Add/Modify/DeleteColumnFamilyProcedure in favor of using ModifyTableProcedure
[HBASE-18894] - null pointer exception in list_regions in shell command
[HBASE-18896] - Work around incompatible change to DistCpOptions for hadoop-3
[HBASE-18904] - Missing break in NEXT_ROW case of FilterList#mergeReturnCodeForOrOperator()
[HBASE-18913] - TestShell fails because NoMethodError: undefined method parseColumn
[HBASE-18921] - Result.current() throws ArrayIndexOutOfBoundsException after calling advance()
[HBASE-18922] - Fix all dead links in our HBase book
[HBASE-18928] - Backup delete command shows wrong number of deletes requested
[HBASE-18932] - Backups masking exception in a scenario and though it fails , it shows success message.
[HBASE-18934] - precommit on branch-1 isn't supposed to run against hadoop 3
[HBASE-18940] - branch-2 (and probably others) fail check of generated source artifact
[HBASE-18941] - Confusing logging error around rerun of restore on an existing table.
[HBASE-18942] - hbase-hadoop2-compat module ignores hadoop-3 profile
[HBASE-18946] - Stochastic load balancer assigns replica regions to the same RS
[HBASE-18958] - Remove the IS annotation from SpaceLimitingException
[HBASE-18973] - clean up maven warnings about pom well-formedness for master/branch-2
[HBASE-18975] - Fix backup / restore hadoop3 incompatibility
[HBASE-18983] - Upgrade to latest error-prone
[HBASE-18984] - [AMv2] Retain assignment does not work well in AMv2
[HBASE-18990] - ServerLoad doesn't override #equals which leads to #equals in ClusterStatus always false
[HBASE-18992] - Comparators passed to the Memstore's flattened segments seems to be wrong
[HBASE-18997] - Remove the redundant methods in RegionInfo
[HBASE-18998] - processor.getRowsToLock() always assumes there is some row being locked
[HBASE-19014] - surefire fails; When writing xml report stdout/stderr ... No such file or directory
[HBASE-19016] - Coordinate storage policy property name for table schema and bulkload
[HBASE-19017] - [AMv2] EnableTableProcedure is not retaining the assignments
[HBASE-19018] - Use of hadoop internals that require bouncycastle should declare bouncycastle dependency
[HBASE-19020] - TestXmlParsing exception checking relies on a particular xml implementation without declaring it.
[HBASE-19021] - Restore a few important missing logics for balancer in 2.0
[HBASE-19023] - Usage for rowcounter in refguide is out of sync with code
[HBASE-19030] - nightly runs should attempt to log test results after archiving
[HBASE-19032] - Set Content-Type header for patches uploaded by submit-patch.py
[HBASE-19035] - Miss metrics when coprocessor use region scanner to read data
[HBASE-19038] - precommit mvn install should run from root on patch
[HBASE-19039] - refactor shadedjars test to only run on java changes.
[HBASE-19042] - Oracle Java 8u144 downloader broken in precommit check
[HBASE-19054] - Switch precommit docker image to one based on maven images
[HBASE-19056] - TestCompactionInDeadRegionServer is top of the flakies charts!
[HBASE-19058] - The wget isn't installed in building docker image
[HBASE-19060] - "Hadoop check" test is running all the time instead of just when changes to java
[HBASE-19061] - enforcer NPE on hbase-shaded-invariants
[HBASE-19065] - HRegion#bulkLoadHFiles() should wait for concurrent Region#flush() to finish
[HBASE-19066] - Correct the directory of openjdk-8 for jenkins
[HBASE-19072] - Missing break in catch block of InterruptedException in HRegion#waitForFlushes()
[HBASE-19073] - Cleanup CoordinatedStateManager
[HBASE-19075] - Task tabs on master UI cause page scroll
[HBASE-19077] - Have Region*CoprocessorEnvironment provide an ImmutableOnlineRegions
[HBASE-19085] - Fix findbug EQ_OVERRIDING_EQUALS_NOT_SYMMETRIC warning
[HBASE-19087] - Log an Optional's value/null instead of Optional[value]/Optional.empty.
[HBASE-19088] - move_tables_rsgroup will throw an exception when the table is disabled
[HBASE-19089] - Fix the list of included moduleSets in src and binary tars
[HBASE-19094] - NPE in RSGroupStartupWorker.waitForGroupTableOnline during master startup
[HBASE-19098] - Python based compatiblity checker fails if git repo does not have a remote named 'origin'
[HBASE-19100] - Missing break in catch block of InterruptedException in HRegion#waitForFlushesAndCompactions
[HBASE-19102] - TestZooKeeperMainServer fails with KeeperException$ConnectionLossException
[HBASE-19111] - Add missing CellUtil#isPut(Cell) methods
[HBASE-19117] - Avoid NPE occurring while active master dies
[HBASE-19118] - Use SaslUtil to set Sasl.QOP in 'Thrift'
[HBASE-19119] - hbase-http shouldn't have a native profile
[HBASE-19120] - IllegalArgumentException from ZNodeClearer when master shuts down
[HBASE-19124] - Move HBase-Nightly source artifact creation test from JenkinsFile to a script in dev-support
[HBASE-19129] - TestChoreService is flaky (branch-1 / branch-1.4)
[HBASE-19130] - Typo in HStore.initializeRegionInternals for replaying wal
[HBASE-19134] - Make WALKey an Interface; expose Read-Only version to CPs
[HBASE-19135] - TestWeakObjectPool time out
[HBASE-19137] - Nightly test should make junit reports optional rather than attempt archive after reporting.
[HBASE-19138] - Rare failure in TestLruBlockCache
[HBASE-19144] - [RSgroups] Retry assignments in FAILED_OPEN state when servers (re)join the cluster
[HBASE-19147] - All branch-2 unit tests pass
[HBASE-19148] - Reevaluate default values of configurations
[HBASE-19150] - TestSnapshotWithAcl is flaky
[HBASE-19156] - Duplicative regions_per_server options on LoadTestTool
[HBASE-19160] - Re-expose CellComparator
[HBASE-19163] - "Maximum lock count exceeded" from region server's batch processing
[HBASE-19165] - TODO Handle stuck in transition: rit=OPENING, location=ve0538....
[HBASE-19166] - AsyncProtobufLogWriter persists ProtobufLogWriter as class name for backward compatibility
[HBASE-19167] - RowCounter not working on 2.0.0-alpha3
[HBASE-19173] - Configure IntegrationTestRSGroup automatically for minicluster mode
[HBASE-19178] - table.rb use undefined method 'getType' for Cell interface
[HBASE-19181] - LogRollBackupSubprocedure will fail if we use AsyncFSWAL instead of FSHLog
[HBASE-19184] - clean up nightly source artifact test to match expectations from switch to git-archive
[HBASE-19185] - ClassNotFoundException: com.fasterxml.jackson.*
[HBASE-19193] - [AMv2] Master dies during Table Drop, new Master confused on what to do w/ Regions
[HBASE-19194] - TestRSGroupsBase has some always false checks
[HBASE-19195] - More error-prone fixes
[HBASE-19196] - Release hbase-2.0.0-beta-1; the "Finish-line" release
[HBASE-19198] - TestIPv6NIOServerSocketChannel fails; unable to bind
[HBASE-19199] - RatioBasedCompactionPolicy#shouldPerformMajorCompaction() always return true when only one file needs to compact
[HBASE-19210] - TestNamespacesInstanceResource fails
[HBASE-19211] - B&R: update configuration string in BackupRestoreConstants
[HBASE-19215] - Incorrect exception handling on the client causes incorrect call timeouts and byte buffer allocations on the server
[HBASE-19218] - Master stuck thinking hbase:namespace is assigned after restart preventing intialization
[HBASE-19221] - NoClassDefFoundError: org/hamcrest/SelfDescribing while running IT tests in 2.0-alpha4
[HBASE-19223] - Remove references to Date Tiered compaction from branch-1.2 and branch-1.1 ref guide
[HBASE-19229] - Nightly script to check source artifact should not do a destructive git operation without opt-in
[HBASE-19240] - Fix error-prone errors, part four?
[HBASE-19244] - Fix simple typos in HBASE-15518 descriptions
[HBASE-19245] - MultiTableInputFormatBase#getSplits creates a Connection per Table
[HBASE-19246] - Trivial fix in findHangingTests.py
[HBASE-19249] - test for "hbase antipatterns" should check _count_ of occurance rather than text of
[HBASE-19250] - TestClientClusterStatus is flaky
[HBASE-19255] - PerformanceEvaluation class not found when run PE test
[HBASE-19260] - Add lock back to avoid parallel accessing meta to locate region
[HBASE-19285] - Add per-table latency histograms
[HBASE-19287] - master hangs forever if RecoverMeta send assign meta region request to target server fail
[HBASE-19304] - KEEP_DELETED_CELLS should ignore case
[HBASE-19310] - Verify IntegrationTests don't rely on Rules outside of JUnit context
[HBASE-19312] - Find out why sometimes we need to spend more than one second to get the cluster id
[HBASE-19315] - Incorrect snapshot version is used for 2.0.0-beta-1
[HBASE-19317] - Increase "yarn.nodemanager.disk-health-checker.max-disk-utilization-per-disk-percentage" to avoid host-related failures on MiniMRCluster
[HBASE-19318] - MasterRpcServices#getSecurityCapabilities explicitly checks for the HBase AccessController implementation
[HBASE-19319] - Fix bug in synchronizing over ProcedureEvent
[HBASE-19321] - ZKAsyncRegistry ctor would hang when zookeeper cluster is not available
[HBASE-19325] - Pass a list of server name to postClearDeadServers
[HBASE-19330] - Remove duplicated dependency from hbase-rest
[HBASE-19332] - DumpReplicationQueues misreports total WAL size
[HBASE-19335] - Fix waitUntilAllRegionsAssigned
[HBASE-19337] - AsyncMetaTableAccessor may hang when call ScanController.terminate many times
[HBASE-19339] - Eager policy results in the negative size of memstore
[HBASE-19349] - Introduce wrong version depencency of servlet-api jar
[HBASE-19350] - TestMetaWithReplicas is flaky
[HBASE-19351] - Deprecated is missing in Table implementations
[HBASE-19355] - Missing dependency on hbase-zookeeper module causes CopyTable to fail
[HBASE-19363] - Tests under TestCheckAndMutate are identical
[HBASE-19371] - Running WALPerformanceEvaluation against asyncfswal throws exceptions
[HBASE-19383] - [1.2] java.lang.AssertionError: expected:<2> but was:<1> at org.apache.hadoop.hbase.TestChoreService.testTriggerNowFailsWhenNotScheduled(TestChoreService.java:707)
[HBASE-19384] - Results returned by preAppend hook in a coprocessor are replaced with null from other coprocessor even on bypass
[HBASE-19385] - [1.3] TestReplicator failed 1.3 nightly
[HBASE-19386] - HBase UnsafeAvailChecker returns false on Arm64
[HBASE-19388] - Incorrect value is being set for Compaction Pressure in RegionLoadStats object inside HRegion class
[HBASE-19390] - Revert to older version of Jetty 9.3
[HBASE-19391] - Calling HRegion#initializeRegionInternals from a region replica can still re-create a region directory
[HBASE-19392] - TestReplicaWithCluster#testReplicaGetWithPrimaryAndMetaDown failure in master
[HBASE-19394] - Support multi-homing env for the publication of RS status with multicast (hbase.status.published)
[HBASE-19396] - Fix flaky test TestHTableMultiplexerFlushCache
[HBASE-19406] - Fix CompactionRequest equals and hashCode
[HBASE-19412] - Fix TestBlockEvictionFromClient
[HBASE-19417] - Remove boolean return value from postBulkLoadHFile hook
[HBASE-19422] - using hadoop-profile property leads to confusing failures
[HBASE-19424] - Metrics servlet throws NPE
[HBASE-19431] - The tag array written by IndividualBytesFieldCell#write is out of bounds
[HBASE-19433] - ChangeSplitPolicyAction modifies an immutable HTableDescriptor
[HBASE-19434] - create_namespace command for existing namespace does not throw useful error message
[HBASE-19435] - Reopen Files for ClosedChannelException in BucketCache
[HBASE-19437] - Batch operation can't handle the null result for Append/Increment
[HBASE-19445] - PerformanceEvaluation NPE processing split policy option
[HBASE-19447] - INFO level logging of GetClusterStatus from HMaster is too chatty
[HBASE-19454] - Debugging TestDistributedLogSplitting#testThreeRSAbort
[HBASE-19456] - RegionMover's region server hostname option is no longer case insensitive
[HBASE-19457] - Debugging flaky TestTruncateTableProcedure#testRecoveryAndDoubleExecutionPreserveSplits
[HBASE-19461] - TestRSGroups is broke
[HBASE-19484] - The value array written by ExtendedCell#write is out of bounds
[HBASE-19490] - Rare failure in TestRateLimiter
[HBASE-19493] - Make TestWALMonotonicallyIncreasingSeqId also work with AsyncFSWAL
[HBASE-19495] - Fix failed ut TestShell
[HBASE-19496] - Reusing the ByteBuffer in rpc layer corrupt the ServerLoad and RegionLoad
[HBASE-19503] - Fix TestWALOpenAfterDNRollingStart for AsyncFSWAL
[HBASE-19508] - ReadOnlyConfiguration throws exception if any Configuration in current context calls addDefautlResource
[HBASE-19509] - RSGroupAdminEndpoint#preCreateTable triggers TableNotFoundException
[HBASE-19510] - TestDistributedLogSplitting is flakey for AsyncFSWAL
[HBASE-19511] - Splits causes blocks to be cached again and so such blocks cannot be evicted from bucket cache
[HBASE-19513] - Fix the wrapped AsyncFSOutput implementation
[HBASE-19516] - IntegrationTestBulkLoad and IntegrationTestImportTsv run into 'java.lang.RuntimeException: DistributedHBaseCluster@1bb564e2 not an instance of MiniHBaseCluster'
[HBASE-19522] - The complete order may be wrong in AsyncBufferedMutatorImpl
[HBASE-19530] - New regions should always be added with state CLOSED
[HBASE-19532] - AssignProcedure#COMPARATOR may produce incorrect sort order
[HBASE-19542] - fix TestSafemodeBringsDownMaster
[HBASE-19546] - TestMasterReplication.testCyclicReplication2 uses wrong assertion
[HBASE-19547] - HBase fails building on AArch64 due to asciidoctor-maven-plugin.
[HBASE-19549] - Change path comparison in CommonFSUtils
[HBASE-19555] - TestSplitTransactionOnCluster is flaky
[HBASE-19558] - TestRegionsOnMasterOptions hack so it works reliablly
[HBASE-19559] - Fix TestLogRolling.testLogRollOnDatanodeDeath
[HBASE-19561] - maxCacheSize in CacheEvictionStats can't be accumulated repeatedly When dealing with each region
[HBASE-19563] - A few hbase-procedure classes missing @InterfaceAudience annotation
[HBASE-19565] - TestSafemodeBringsDownMaster constantly hangs
[HBASE-19578] - MasterProcWALs cleaning is incorrect
[HBASE-19583] - update RM list to remove EOM versions
[HBASE-19588] - Additional jar dependencies needed for mapreduce PerformanceEvaluation
[HBASE-19589] - New regions should always be added with state CLOSED (followup of HBASE-19530)
[HBASE-19593] - Possible NPE if wal is closed during waledit append.
[HBASE-19598] - Fix TestAssignmentManagerMetrics flaky test
[HBASE-19600] - ITBLL failing on branch-2
[HBASE-19608] - Race in MasterRpcServices.getProcedureResult
[HBASE-19619] - Modify replication_admin.rb to use ReplicationPeerConfigBuilder
[HBASE-19624] - TestIOFencing hangs
[HBASE-19639] - ITBLL can't go big because RegionTooBusyException... Above memstore limit
[HBASE-19643] - Need to update cache location when get error in AsyncBatchRpcRetryingCaller
[HBASE-19654] - Remove misleading and chatty debug message in ReplicationLogCleaner
[HBASE-19656] - Disable TestAssignmentManagerMetrics for beta-1
[HBASE-19658] - Fix and reenable TestCompactingToCellFlatMapMemStore#testFlatteningToJumboCellChunkMap
[HBASE-19666] - TestDefaultCompactSelection test failed
[HBASE-19671] - Fix TestMultiParallel#testActiveThreadsCount
[HBASE-19672] - Correct comments for default values of major compaction in SortedCompactionPolicy#getNextMajorCompactTime()
[HBASE-19685] - Fix TestFSErrorsExposed#testFullSystemBubblesFSErrors
[HBASE-19688] - TimeToLiveProcedureWALCleaner should extends BaseLogCleanerDelegate
[HBASE-19691] - Do not require ADMIN permission for obtaining ClusterStatus
[HBASE-19694] - The initialization order for a fresh cluster is incorrect
[HBASE-19696] - Filter returning INCLUDE_AND_NEXT_COL doesn't skip remaining versions when scan has explicit columns
[HBASE-19703] - Functionality added as part of HBASE-12583 is not working after moving the split code to master
[HBASE-19706] - Cells are always eclipsed by Deleted cells even if in time range scan
[HBASE-19709] - Guard against a ThreadPool size of 0 in CleanerChore
[HBASE-19712] - Fix TestSnapshotQuotaObserverChore#testSnapshotSize
[HBASE-19713] - Enable TestInterfaceAudienceAnnotations
[HBASE-19714] - `status 'detailed'` invokes nonexistent "getRegionsInTransition" method on ClusterStatus
[HBASE-19716] - Fix flaky test master.assignment.TestAssignmentManager
[HBASE-19717] - IntegrationTestDDLMasterFailover is using outdated values for DataBlockEncoding
[HBASE-19721] - Unnecessary stubbings detected in test class: TestReversedScannerCallable
[HBASE-19726] - Failed to start HMaster due to infinite retrying on meta assign
[HBASE-19728] - Add lock to filesCompacting in all place.
[HBASE-19729] - UserScanQueryMatcher#mergeFilterResponse should return INCLUDE_AND_SEEK_NEXT_ROW when filterResponse is INCLUDE_AND_SEEK_NEXT_ROW
[HBASE-19732] - Replica regions does not return back the MSLAB chunks to pool
[HBASE-19734] - IntegrationTestReplication broken w/ separate clusters
[HBASE-19740] - Repeated error message for NamespaceExistException
[HBASE-19744] - Fix flakey TestZKLeaderManager
[HBASE-19749] - Revisit logic of UserScanQueryMatcher#mergeFilterResponse method
[HBASE-19752] - RSGroupBasedLoadBalancer#getMisplacedRegions() should handle the case where rs group cannot be determined
[HBASE-19755] - Error message for non-existent namespace is inaccurate
[HBASE-19756] - Master NPE during completed failed proc eviction
[HBASE-19757] - System table gets stuck after enabling region server group feature in secure cluster
[HBASE-19767] - Master web UI shows negative values for Remaining KVs
[HBASE-19768] - RegionServer startup failing when DN is dead
[HBASE-19769] - IllegalAccessError on package-private Hadoop metrics2 classes in MapReduce jobs
[HBASE-19771] - restore_snapshot shell command gives wrong namespace if the namespace doesn't exist
[HBASE-19773] - Adding javadoc around getting instance of RawCellBuilder
[HBASE-19774] - incorrect behavior of locateRegionInMeta
[HBASE-19775] - hbase shell doesn't handle the exceptions that are wrapped in java.io.UncheckedIOException
[HBASE-19780] - Change execution phase of checkstyle plugin back to default 'verify'
[HBASE-19783] - Change replication peer cluster key/endpoint from a not-null value to null is not allowed
[HBASE-19784] - stop-hbase gives unfriendly message when local hbase isn't running
[HBASE-19792] - TestReplicationSmallTests.testDisableEnable fails
[HBASE-19794] - TestZooKeeper hangs
[HBASE-19797] - Operator priority leads to wrong logic in ReplicationSourceWALReader
[HBASE-19802] - Wrong usage messages on shell commands (grant/revoke namespace syntax)
[HBASE-19806] - Lower max versions for table column family of hbase:meta
[HBASE-19808] - Reenable TestMultiParallel
[HBASE-19812] - TestFlushSnapshotFromClient fails because of failing region.flush
[HBASE-19814] - Release hbase-2.0.0-beta-2; "rolling upgrade" release
[HBASE-19815] - Flakey TestAssignmentManager.testAssignWithRandExec
[HBASE-19816] - Replication sink list is not updated on UnknownHostException
[HBASE-19818] - Scan time limit not work if the filter always filter row key
[HBASE-19821] - TestCleanerChore#testOnConfigurationChange() requires at least 4 processors to get passed
[HBASE-19822] - HFileCleaner threads stick around after shutdown stuck on queue#take
[HBASE-19825] - Fix hadoop3 compat test failures
[HBASE-19828] - Flakey TestRegionsOnMasterOptions.testRegionsOnAllServers
[HBASE-19829] - hadoop-minicluster pulls zookeeper:test-jar:tests 3.4.6
[HBASE-19836] - Fix TestZooKeeper.testLogSplittingAfterMasterRecoveryDueToZKExpiry
[HBASE-19838] - Can not shutdown backup master cleanly when it has already tried to become the active master
[HBASE-19853] - duplicate slf4j declaration in mapreduce pom
[HBASE-19863] - java.lang.IllegalStateException: isDelete failed when SingleColumnValueFilter is used
[HBASE-19871] - delete.rb should require user to provide the column
[HBASE-19876] - The exception happening in converting pb mutation to hbase.mutation messes up the CellScanner
[HBASE-19884] - BucketEntryGroup's equals, hashCode and compareTo methods are not consistent
[HBASE-19892] - Checking 'patch attach' and yetus 0.7.0 and move to Yetus 0.7.0
[HBASE-19900] - Region-level exception destroy the result of batch
[HBASE-19901] - Up yetus proclimit on nightlies
[HBASE-19905] - ReplicationSyncUp tool will not exit if a peer replication is disabled
[HBASE-19906] - TestZooKeeper Timeout
[HBASE-19907] - TestMetaWithReplicas still flakey
[HBASE-19919] - Tidying up logging
[HBASE-19920] - TokenUtil.obtainToken unnecessarily creates a local directory
[HBASE-19924] - hbase rpc throttling does not work for multi() with request count rater.
[HBASE-19926] - Use a separated class to implement the WALActionListener for Replication
[HBASE-19929] - Call RS.stop on a session expired RS may hang
[HBASE-19934] - HBaseSnapshotException when read replicas is enabled and online snapshot is taken after region splitting
[HBASE-19937] - Ensure createRSGroupTable be called after ProcedureExecutor and LoadBalancer are initialized
[HBASE-19939] - TestSplitTableRegionProcedure#testSplitWithoutPONR() and testRecoveryAndDoubleExecution() are failing with NPE
[HBASE-19941] - Flaky TestCreateTableProcedure times out in nightly, needs to LargeTests
[HBASE-19953] - Avoid calling post* hook when procedure fails
[HBASE-19954] - Separate TestBlockReorder into individual tests to avoid ShutdownHook suppression error against hadoop3
[HBASE-19964] - TestWriteHeavyIncrementObserver fails
[HBASE-19966] - The WriteEntry for WALKey maybe null if we failed to call WAL.append
[HBASE-19968] - MapReduce test fails with NoClassDefFoundError against hadoop3
[HBASE-19972] - Should rethrow the RetriesExhaustedWithDetailsException when failed to apply the batch in ReplicationSink
[HBASE-19974] - Fix decommissioned servers cannot be removed by remove_servers_rsgroup methods
[HBASE-19977] - FileMmapEngine allocation of byte buffers should be synchronized
[HBASE-19979] - ReplicationSyncUp tool may leak Zookeeper connection
[HBASE-19980] - NullPointerException when restoring a snapshot after splitting a region
[HBASE-19986] - If HBaseTestClassRule timesout a test, thread dump.
[HBASE-19987] - update error-prone to 2.2.0
[HBASE-19991] - lots of hbase-rest test failures against hadoop 3
[HBASE-19996] - Some nonce procs might not be cleaned up (follow up HBASE-19756)
[HBASE-19998] - Flakey TestVisibilityLabelsWithDefaultVisLabelService
[HBASE-20017] - BufferedMutatorImpl submit the same mutation repeatedly
[HBASE-20020] - Make sure we throw DoNotRetryIOException when ConnectionImplementation is closed
[HBASE-20023] - CompactionTool command line examples are incorrect
[HBASE-20024] - TestMergeTableRegionsProcedure is STILL flakey
[HBASE-20027] - Add test TestClusterPortAssignment
[HBASE-20032] - Receving multiple warnings for missing reporting.plugins.plugin.version
[HBASE-20037] - Race when calling SequenceIdAccounting.resetHighest
[HBASE-20043] - ITBLL fails against hadoop3
[HBASE-20049] - Region replicas of SPLIT and MERGED regions are kept in in-memory states until restarting master
[HBASE-20054] - Forward port HBASE-18282 ReplicationLogCleaner can delete WALs not yet replicated in case of KeeperException
[HBASE-20061] - HStore synchronized member variable filesCompacting should be private
[HBASE-20062] - findbugs is not running on precommit checks
[HBASE-20066] - Region sequence id may go backward after split or merge
[HBASE-20070] - website generation is failing
[HBASE-20074] - [FindBugs] Same code on both branches in CompactingMemStore#initMemStoreCompactor
[HBASE-20078] - MultiByteBuff : bug in reading primitives when individual buffers are too small
[HBASE-20086] - PE randomSeekScan fails with ClassNotFoundException
[HBASE-20090] - Properly handle Preconditions check failure in MemStoreFlusher$FlushHandler.run
[HBASE-20104] - Fix infinite loop of RIT when creating table on a rsgroup that has no online servers
[HBASE-20106] - API Compliance checker should fall back to specifying origin as remote repo
[HBASE-20108] - `hbase zkcli` falls into a non-interactive prompt after HBASE-15199
[HBASE-20110] - Findbugs in zk and mr caused nightly #409 branch-2 to fail
[HBASE-20111] - Able to split region explicitly even on shouldSplit return false from split policy
[HBASE-20114] - Fix IllegalFormatConversionException in rsgroup.jsp
[HBASE-20130] - Use defaults (16020 & 16030) as base ports when the RS is bound to localhost
[HBASE-20134] - support scripts use hard-coded /tmp
[HBASE-20141] - Fix TooManyFiles exception when RefreshingChannels in FileIOEngine
[HBASE-20144] - The shutdown of master will hang if there are no live region server
[HBASE-20146] - Regions are stuck while opening when WAL is disabled
[HBASE-20153] - enable error-prone analysis in precommit
[HBASE-20157] - WAL file might get broken
[HBASE-20160] - TestRestartCluster.testRetainAssignmentOnRestart uses the wrong condition to decide whether the assignment is finished
[HBASE-20162] - [nightly] depending on pipeline execution we sometimes refer to the wrong workspace
[HBASE-20164] - failed hadoopcheck should add footer link
[HBASE-20182] - Can not locate region after split and merge
[HBASE-20185] - Fix ACL check for MasterRpcServices#execProcedure
[HBASE-20187] - Shell startup fails with IncompatibleClassChangeError
[HBASE-20189] - Typo in Required Java Version error message while building HBase.
[HBASE-20200] - list_procedures fails in shell
[HBASE-20201] - HBase must provide commons-cli-1.4 for mapreduce jobs with H3
[HBASE-20203] - [AMv2] CODE-BUG: Uncaught runtime exception for pid=...., state=SUCCESS; AssignProcedure
[HBASE-20213] - [LOGGING] Aligning formatting and logging less (compactions, in-memory compactions)
[HBASE-20219] - An error occurs when scanning with reversed=true and loadColumnFamiliesOnDemand=true
[HBASE-20224] - Web UI is broken in standalone mode
[HBASE-20229] - ConnectionImplementation.locateRegions() returns duplicated entries when region replication is on
[HBASE-20231] - Not able to delete column family from a row using RemoteHTable
[HBASE-20233] - [metrics] Ill-formatted numRegions metric in "Hadoop:service=HBase,name=RegionServer,sub=Regions" mbean
[HBASE-20237] - Put back getClosestRowBefore and throw UnknownProtocolException instead... for asynchbase client
[HBASE-20259] - Doc configs for in-memory-compaction and add detail to in-memory-compaction logging
[HBASE-20261] - Table page (table.jsp) in Master UI does not show replicaIds for hbase meta table
[HBASE-20280] - Fix possibility of deadlocking in refreshFileConnections when prefetch is enabled
[HBASE-20282] - Provide short name invocations for useful tools
[HBASE-20292] - Wrong URLs in the descriptions for update_all_config and update_config commands in shell
[HBASE-20293] - get_splits returns duplicate split points when region replication is on
[HBASE-20295] - TableOutputFormat.checkOutputSpecs throw NullPointerException Exception
[HBASE-20308] - test Dockerfile needs to include git
[HBASE-20310] - [hbck] bin/hbase hbck -metaonly shows false inconsistency on HBase 2
[HBASE-20314] - Precommit build for master branch fails because of surefire fork fails
[HBASE-20330] - ProcedureExecutor.start() gets stuck in recover lease on store.
[HBASE-20343] - [DOC] fix log directory paths
[HBASE-20350] - NullPointerException in Scanner during close()
[HBASE-20351] - Shell dumps netty properties on startup
[HBASE-20353] - REST server startup fails
[HBASE-20358] - Fix bin/hbase thrift usage text
[HBASE-20362] - TestMasterShutdown.testMasterShutdownBeforeStartingAnyRegionServer is flaky
[HBASE-20363] - TestNamespaceAuditor.testRegionMerge is flaky
[HBASE-20376] - RowCounter and CellCounter documentations are incorrect
[HBASE-20382] - If RSGroups not enabled, rsgroup.jsp prints stack trace
[HBASE-20384] - [AMv2] Logging format improvements; use encoded name rather than full region name marking transitions
[HBASE-20385] - Purge md5-making from our little make_rc.sh script
[HBASE-20394] - HBase over rides the value of HBASE_OPTS (if any) set by client
[HBASE-20397] - Make it more explicit that monkey.properties is found on CLASSPATH
[HBASE-20398] - Redirect doesn't work on web UI
[HBASE-20399] - Fix merge layout
[HBASE-20410] - upgrade protoc compiler to 3.5.1-1
[HBASE-20427] - thrift.jsp displays "Framed transport" incorrectly
[HBASE-20439] - Clean up incorrect use of commons-logging in hbase-server
[HBASE-20440] - Clean up incorrect use of commons-lang 2.y
[HBASE-20442] - clean up incorrect use of commons-collections 3
[HBASE-20464] - Disable IMC
[HBASE-20465] - Fix TestEnableRSGroup flaky
[HBASE-21617] - HBase Bytes.putBigDecimal error

New Feature

[HBASE-3727] - MultiHFileOutputFormat
[HBASE-4224] - Need a flush by regionserver rather than by table option
[HBASE-5162] - Basic client pushback mechanism
[HBASE-5238] - Add a log4j category for all edits to META/ROOT
[HBASE-5980] - Scanner responses from RS should include metrics on rows/KVs filtered
[HBASE-6721] - RegionServer Group based Assignment
[HBASE-9774] - HBase native metrics and metric collection for coprocessors
[HBASE-10070] - HBase read high-availability using timeline-consistent region replicas
[HBASE-10358] - Shell changes for setting consistency per request
[HBASE-11262] - Avoid empty columns while doing bulk-load
[HBASE-12268] - Add support for Scan.setRowPrefixFilter to shell
[HBASE-12721] - Create Docker container cluster infrastructure to enable better testing
[HBASE-12869] - Add a REST API implementation of the ClusterManager interface
[HBASE-12911] - Client-side metrics
[HBASE-12944] - Support patches to branches in precommit jenkins build
[HBASE-12972] - Region, a supportable public/evolving subset of HRegion
[HBASE-13057] - Provide client utility to easily enable and disable table replication
[HBASE-13063] - Allow to turn off memstore replication for region replicas
[HBASE-13071] - Hbase Streaming Scan Feature
[HBASE-13090] - Progress heartbeats for long running scanners
[HBASE-13153] - Bulk Loaded HFile Replication
[HBASE-13170] - Allow block cache to be external
[HBASE-13259] - mmap() based BucketCache IOEngine
[HBASE-13356] - HBase should provide an InputFormat supporting multiple scans in mapreduce jobs over snapshots
[HBASE-13412] - Region split decisions should have jitter
[HBASE-13639] - SyncTable - rsync for HBase tables
[HBASE-13698] - Add RegionLocator methods to Thrift2 proxy.
[HBASE-13702] - ImportTsv: Add dry-run functionality and log bad rows
[HBASE-13784] - Add Async Client Table API
[HBASE-14125] - HBase Backup/Restore Phase 2: Cancel backup
[HBASE-14130] - HBase Backup/Restore Phase 2: Delete backup image
[HBASE-14131] - HBase Backup/Restore Phase 2: Describe backup image
[HBASE-14132] - HBase Backup/Restore Phase 2: History of backups
[HBASE-14133] - HBase Backup/Restore Phase 2: Status (and progress) of backup request
[HBASE-14134] - HBase Backup/Restore Phase 2: Backup sets management
[HBASE-14135] - HBase Backup/Restore Phase 3: Merge backup images
[HBASE-14137] - HBase Backup/Restore Phase 2: Backup throttling
[HBASE-14141] - HBase Backup/Restore Phase 3: Filter WALs on backup to include only edits from backed up tables
[HBASE-14154] - DFS Replication should be configurable at column family level
[HBASE-14355] - Scan different TimeRange for each column family
[HBASE-14417] - Incremental backup and bulk loading
[HBASE-14456] - Implement a namespace-based region grouping strategy for RegionGroupingProvider
[HBASE-14459] - Add request and response sizes metrics
[HBASE-14477] - Compaction improvements: Date tiered compaction policy
[HBASE-14529] - Respond to SIGHUP to reload config
[HBASE-14980] - Project Astro
[HBASE-15036] - Update HBase Spark documentation to include bulk load with thin records
[HBASE-15134] - Add visibility into Flush and Compaction queues
[HBASE-15135] - Add metrics for storefile age
[HBASE-15136] - Explore different queuing behaviors while busy
[HBASE-15181] - A simple implementation of date based tiered compaction
[HBASE-15228] - Add the methods to RegionObserver to trigger start/complete restoring WALs
[HBASE-15281] - Allow the FileSystem inside HFileSystem to be wrapped
[HBASE-15321] - Ability to open a HRegion from hdfs snapshot.
[HBASE-15432] - TableInputFormat - support multi column family scan
[HBASE-15481] - Add pre/post roll to WALObserver
[HBASE-15576] - Scanning cursor to prevent blocking long time on ResultScanner.next()
[HBASE-15592] - Print Procedure WAL content
[HBASE-15780] - Expose AuthUtil as IA.Public
[HBASE-15798] - Add Async RpcChannels to all RpcClients
[HBASE-15806] - An endpoint-based export tool
[HBASE-15847] - VerifyReplication prefix filtering
[HBASE-15881] - Allow BZIP2 compression
[HBASE-15892] - submit-patch.py: Single command line to make patch, upload it to jira, and update review board
[HBASE-15943] - Add page displaying JVM process metrics
[HBASE-15968] - New behavior of versions considering mvcc and ts rather than ts only
[HBASE-16213] - A new HFileBlock structure for fast random get
[HBASE-16388] - Prevent client threads being blocked by only one slow region server
[HBASE-16447] - Replication by namespaces config in peer
[HBASE-16463] - Improve transparent table/CF encryption with Commons Crypto
[HBASE-16677] - Add table size (total store file size) to table page
[HBASE-16751] - Add tuning information to HBase Book
[HBASE-16961] - FileSystem Quotas
[HBASE-16981] - Expand Mob Compaction Partition policy from daily to weekly, monthly
[HBASE-17076] - implement getAndPut() and getAndDelete()
[HBASE-17151] - New API to create HFile.Reader without instantiating block cache
[HBASE-17174] - Refactor the AsyncProcess, BufferedMutatorImpl, and HTable
[HBASE-17181] - Let HBase thrift2 support TThreadedSelectorServer
[HBASE-17542] - Move backup system table into separate namespace
[HBASE-17737] - Thrift2 proxy should support scan timeRange per column family
[HBASE-17757] - Unify blocksize after encoding to decrease memory fragment
[HBASE-17758] - [RSGROUP] Add shell command to move servers and tables at the same time
[HBASE-17849] - PE tool random read is not totally random
[HBASE-17928] - Shell tool to clear compaction queues
[HBASE-18131] - Add an hbase shell command to clear deadserver list in ServerManager
[HBASE-18161] - Incremental Load support for Multiple-Table HFileOutputFormat
[HBASE-18171] - Scanning cursor for async client
[HBASE-18226] - Disable reverse DNS lookup at HMaster and use the hostname provided by RegionServer
[HBASE-18546] - Always overwrite the TS for Append/Increment unless no existing cells are found
[HBASE-18875] - Thrift server supports read-only mode
[HBASE-19103] - Add BigDecimalComparator for filter
[HBASE-19189] - Ad-hoc test job for running a subset of tests lots of times
[HBASE-19326] - Remove decommissioned servers from rsgroup
[HBASE-19504] - Add TimeRange support into checkAndMutate
[HBASE-19528] - Major Compaction Tool
[HBASE-19799] - Add web UI to rsgroup
[HBASE-19844] - Shell should support flush by regionserver
[HBASE-19886] - Display maintenance mode in shell, web UI
[HBASE-19897] - RowMutations should follow the fluent pattern
[HBASE-19950] - Introduce a ColumnValueFilter

Improvement

[HBASE-2631] - Decide between "InMB" and "MB" as suffix for field names in ClusterStatus objects
[HBASE-3135] - Make our MR jobs implement Tool and use ToolRunner so can do -D trickery, etc.
[HBASE-3462] - Fix table.jsp in regards to splitting a region/table with an optional splitkey
[HBASE-3935] - HServerLoad.storefileIndexSizeMB should be changed to storefileIndexSizeKB
[HBASE-5291] - Add Kerberos HTTP SPNEGO authentication support to HBase web consoles
[HBASE-5696] - Use Hadoop's DataOutputOutputStream instead of have a copy local
[HBASE-6290] - Add a function a mark a server as dead and start the recovery the process
[HBASE-6580] - Deprecate HTablePool in favor of HConnection.getTable(...)
[HBASE-6617] - ReplicationSourceManager should be able to track multiple WAL paths
[HBASE-6919] - Remove unnecessary throws IOException from Bytes.readVLong
[HBASE-7171] - Initial web UI for region/memstore/storefiles details
[HBASE-7541] - Convert all tests that use HBaseTestingUtility.createMultiRegions to HBA.createTable
[HBASE-7782] - HBaseTestingUtility.truncateTable() not acting like CLI
[HBASE-7972] - Add a configuration for the TCP backlog in the Thrift server
[HBASE-8309] - TableLockManager: allow lock timeout to be set at the individual lock level
[HBASE-8329] - Limit compaction speed
[HBASE-8386] - deprecate TableMapReduce.addDependencyJars(Configuration, class<?> ...)
[HBASE-8486] - IS_ROOT isnt needed in HTableDescriptor.
[HBASE-8518] - Get rid of hbase.hstore.compaction.complete setting
[HBASE-8642] - [Snapshot] List and delete snapshot by table
[HBASE-9899] - for idempotent operation dups, return the result instead of throwing conflict exception
[HBASE-10201] - Port 'Make flush decisions per column family' to trunk
[HBASE-10240] - Remove 0.94->0.96 migration code
[HBASE-10367] - RegionServer graceful stop / decommissioning
[HBASE-10699] - Optimize some code; set capacity on arraylist when possible; use isEmpty; reduce allocations
[HBASE-11013] - Clone Snapshots on Secure Cluster Should provide option to apply Retained User Permissions
[HBASE-11144] - Filter to support scanning multiple row key ranges
[HBASE-11344] - Hide row keys and such from the web UIs
[HBASE-11400] - Edit, consolidate, and update Compression and data encoding docs
[HBASE-11462] - MetaTableAccessor shouldn't use ZooKeeeper
[HBASE-11548] - [PE] Add 'cycling' test N times and unit tests for size/zipf/valueSize calculations
[HBASE-11585] - PE: Allows warm-up
[HBASE-11611] - Clean up ZK-based region assignment
[HBASE-11707] - Using Map instead of list in FailedServers of RpcClient
[HBASE-11760] - Tighten up region state transition
[HBASE-11792] - Organize PerformanceEvaluation usage output
[HBASE-11843] - MapReduce classes shouldn't be in hbase-server
[HBASE-11862] - Get rid of Writables in HTableDescriptor, HColumnDescriptor
[HBASE-11864] - Enhance HLogPrettyPrinter to print information from WAL Header
[HBASE-11869] - Support snapshot owner
[HBASE-11927] - Use Native Hadoop Library for HFile checksum (And flip default from CRC32 to CRC32C)
[HBASE-11939] - Document compressed blockcache
[HBASE-12003] - Fix SecureBulkLoadEndpoint class javadoc formatting
[HBASE-12035] - Keep table state in META
[HBASE-12195] - Fix dev-support/findHangingTests
[HBASE-12203] - Remove Master from table status query path.
[HBASE-12207] - A script to help keep your Git repo fresh
[HBASE-12220] - Add hedgedReads and hedgedReadWins metrics
[HBASE-12223] - MultiTableInputFormatBase.getSplits is too slow
[HBASE-12251] - [book] Hadoop compat matrix 0.94 section needs cleaned up
[HBASE-12256] - Update patch submission guidelines to call out binary file support
[HBASE-12350] - Backport error-prone build support to branch-1 and branch-2
[HBASE-12405] - WAL accounting by Store
[HBASE-12415] - Add add(byte[][] arrays) to Bytes.
[HBASE-12429] - Add port to ClusterManager's actions.
[HBASE-12559] - Provide LoadBalancer with online configuration capability
[HBASE-12590] - A solution for data skew in HBase-Mapreduce Job
[HBASE-12596] - bulkload needs to follow locality
[HBASE-12601] - Explain how to grant/revoke permission to a group/namespace in grant/revoke command usage
[HBASE-12620] - Add HBASE-11639 related items to Ref Guide
[HBASE-12627] - Add back snapshot batching facility from HBASE-11360 dropped by HBASE-11742
[HBASE-12650] - Move ServerName to hbase-common module
[HBASE-12684] - Add new AsyncRpcClient
[HBASE-12706] - Support multiple port numbers in ZK quorum string
[HBASE-12761] - On region jump ClientScanners should get next row start key instead of a skip.
[HBASE-12769] - Replication fails to delete all corresponding zk nodes when peer is removed
[HBASE-12770] - Don't transfer all the queued hlogs of a dead server to the same alive server
[HBASE-12796] - Clean up HTable and HBaseAdmin deprecated constructor usage
[HBASE-12808] - Use Java API Compliance Checker for binary/source compatibility
[HBASE-12812] - Update Netty dependency to latest release
[HBASE-12822] - Option for Unloading regions through region_mover.rb without Acknowledging
[HBASE-12839] - Remove synchronization in ServerStatisticsTracker
[HBASE-12840] - Improve unit test coverage of the client pushback mechanism
[HBASE-12870] - "Major compaction triggered" and "Skipping major compaction" messages lack the region information
[HBASE-12887] - Cleanup many checkstyle errors in o.a.h.h.client
[HBASE-12888] - Display number of regions on the table jsp page.
[HBASE-12891] - Parallel execution for Hbck checkRegionConsistency
[HBASE-12894] - Upgrade Jetty to 9.2.6
[HBASE-12896] - checkstyle report diff tool
[HBASE-12940] - Expose listPeerConfigs and getPeerConfig to the HBase shell
[HBASE-12957] - region_mover#isSuccessfulScan may be extremely slow on region with lots of expired data
[HBASE-12975] - Supportable SplitTransaction and RegionMergeTransaction interfaces
[HBASE-12982] - Adding timeouts to TestChoreService
[HBASE-12986] - Compaction pressure based client pushback
[HBASE-12987] - HBCK should print status while scanning over many regions
[HBASE-12988] - [Replication]Parallel apply edits across regions
[HBASE-12990] - MetaScanner should be replaced by MetaTableAccessor
[HBASE-13002] - Make encryption cipher configurable
[HBASE-13014] - Java Tool For Region Moving
[HBASE-13016] - Clean up remnants of table states stored in table descriptors
[HBASE-13018] - WALSplitter should not try to get table states while splitting META
[HBASE-13044] - Configuration option for disabling coprocessor loading
[HBASE-13054] - Provide more tracing information for locking/latching events.
[HBASE-13056] - Refactor table.jsp code to remove repeated code and make it easier to add new checks
[HBASE-13059] - Set executable bit for scripts in dev-support
[HBASE-13080] - Hbase shell message containing extra quote at the end of error message.
[HBASE-13086] - Show ZK root node on Master WebUI
[HBASE-13100] - Shell command to retrieve table splits
[HBASE-13103] - [ergonomics] add region size balancing as a feature of master
[HBASE-13109] - Make better SEEK vs SKIP decisions during scanning
[HBASE-13118] - [PE] Add being able to write many columns
[HBASE-13120] - Allow disabling hadoop classpath and native library lookup
[HBASE-13122] - Improve efficiency for return codes of some filters
[HBASE-13127] - Add timeouts on all tests so less zombie sightings
[HBASE-13128] - Make HBCK's lock file retry creation and deletion
[HBASE-13129] - Add troubleshooting hints around WAL retention from replication
[HBASE-13132] - Improve RemoveColumn action debug message
[HBASE-13138] - Clean up TestMasterObserver (debug, trying to figure why fails)
[HBASE-13142] - [PERF] Reuse the IPCUtil#buildCellBlock buffer
[HBASE-13158] - When client supports CellBlock, return the result Cells as controller payload for get(Get) API also
[HBASE-13162] - Add capability for cleaning hbase acls to hbase cleanup script.
[HBASE-13171] - Change AccessControlClient methods to accept connection object to reduce setup time.
[HBASE-13183] - Make ZK tickTime configurable in standalone HBase
[HBASE-13185] - Document hbase.regionserver.thrift.framed.max_frame_size_in_mb more clearly
[HBASE-13189] - PrefixTreecell should implement HeapSize
[HBASE-13197] - Connection API cleanup
[HBASE-13199] - Some small improvements on canary tool
[HBASE-13216] - Add version info in RPC connection header
[HBASE-13222] - Provide means of non-destructive balancer inspection
[HBASE-13223] - Add testMoveMeta to IntegrationTestMTTR
[HBASE-13235] - Revisit the security auditing semantics.
[HBASE-13236] - Clean up m2e-related warnings/errors from poms
[HBASE-13240] - add an exemption to test-patch for build-only changes.
[HBASE-13241] - Add tests for group level grants
[HBASE-13247] - Change BufferedMutatorExample to use addColumn() since add() is deprecated
[HBASE-13251] - Correct 'HBase, MapReduce, and the CLASSPATH' section in HBase Ref Guide
[HBASE-13255] - Bad grammar in RegionServer status page
[HBASE-13256] - HBaseConfiguration#checkDefaultsVersion(Configuration) has spelling error
[HBASE-13270] - Setter for Result#getStats is #addResults; confusing!
[HBASE-13271] - Table#puts(List<Put>) operation is indeterminate; needs fixing
[HBASE-13286] - Minimum timeout for a rpc call could be 1 ms instead of 2 seconds
[HBASE-13316] - Reduce the downtime on planned moves of regions
[HBASE-13322] - Replace explicit HBaseAdmin creation with connection#getAdmin()
[HBASE-13334] - FindBugs should create precise report for new bugs introduced
[HBASE-13340] - Include LimitedPrivate interfaces in the API compatibility report
[HBASE-13341] - Add option to disable filtering on interface annotations for the API compatibility report
[HBASE-13342] - Fix incorrect interface annotations
[HBASE-13344] - Add enforcer rule that matches our JDK support statement
[HBASE-13345] - Fix LocalHBaseCluster so that different region server impl can be used for different slaves
[HBASE-13347] - Deprecate FirstKeyValueMatchingQualifiersFilter
[HBASE-13348] - Separate the thread number configs for meta server and server operations
[HBASE-13350] - Add a debug-warn if we fail HTD checks even if table.sanity.checks is false
[HBASE-13351] - Annotate internal MasterRpcServices methods with admin priority
[HBASE-13358] - Upgrade VisibilityClient API to accept Connection object.
[HBASE-13362] - Set max result size from client only (like scanner caching).
[HBASE-13366] - Throw DoNotRetryIOException instead of read only IOException
[HBASE-13369] - Expose scanNext stats to region server level
[HBASE-13370] - PE tool could give option for using Explicit Column Tracker which leads to seeks
[HBASE-13375] - Provide HBase superuser higher priority over other users in the RPC handling
[HBASE-13376] - Improvements to Stochastic load balancer
[HBASE-13381] - Expand TestSizeFailures to include small scans
[HBASE-13419] - Thrift gateway should propagate text from exception causes.
[HBASE-13420] - RegionEnvironment.offerExecutionLatency Blocks Threads under Heavy Load
[HBASE-13425] - Documentation nit in REST Gateway impersonation section
[HBASE-13431] - Allow to skip store file range check based on column family while creating reference files in HRegionFileSystem#splitStoreFile
[HBASE-13436] - Include user name in ADE for scans
[HBASE-13453] - Master should not bind to region server ports
[HBASE-13456] - Improve HFilePrettyPrinter first hbase:meta region processing
[HBASE-13500] - Deprecate KVComparator and move to CellComparator
[HBASE-13516] - Increase PermSize to 128MB
[HBASE-13518] - Typo in hbase.hconnection.meta.lookup.threads.core parameter
[HBASE-13525] - Update test-patch to leverage Apache Yetus
[HBASE-13530] - Add param for bulkload wait duration in HRegion.
[HBASE-13532] - Make UnknownScannerException logging less scary
[HBASE-13534] - Change HBase master WebUI to explicitly mention if it is a backup master
[HBASE-13550] - [Shell] Support unset of a list of table attributes
[HBASE-13552] - ChoreService shutdown message could be more informative
[HBASE-13578] - Remove Arrays.asList().subList() from FSHLog.offer()
[HBASE-13598] - Make hbase assembly 'attach' to the project
[HBASE-13622] - document upgrade rollback
[HBASE-13645] - Rename *column methods in MasterObserver to *columnFamily
[HBASE-13655] - Deprecate duplicate getCompression methods in HColumnDescriptor
[HBASE-13656] - Rename getDeadServers to getDeadServersSize in Admin
[HBASE-13670] - [HBase MOB] ExpiredMobFileCleaner tool deletes mob files later for one more day after they are expired
[HBASE-13671] - More classes to add to the invoking repository of org.apache.hadoop.hbase.mapreduce.driver
[HBASE-13673] - WALProcedureStore procedure is chatty
[HBASE-13675] - ProcedureExecutor completion report should be at DEBUG log level
[HBASE-13677] - RecoverableZookeeper WARNs on expected events
[HBASE-13684] - Allow mlockagent to be used when not starting as root
[HBASE-13701] - Consolidate SecureBulkLoadEndpoint into HBase core as default for bulk load
[HBASE-13710] - Remove use of Hadoop's ReflectionUtil in favor of our own.
[HBASE-13718] - Add a pretty printed table description to the table detail page of HBase's master
[HBASE-13725] - [documentation] Pseudo-Distributed Local Install can link to hadoop instructions
[HBASE-13742] - buildbot should run link checker over book
[HBASE-13745] - Say why a flush was requested in log message
[HBASE-13755] - Provide single super user check implementation
[HBASE-13761] - Optimize FuzzyRowFilter
[HBASE-13780] - Default to 700 for HDFS root dir permissions for secure deployments
[HBASE-13816] - Build shaded modules only in release profile
[HBASE-13828] - Add group permissions testing coverage to AC.
[HBASE-13829] - Add more ThrottleType
[HBASE-13844] - Move static helper methods from KeyValue into CellUtils
[HBASE-13846] - Run MiniCluster on top of other MiniDfsCluster
[HBASE-13848] - Access InfoServer SSL passwords through Credential Provder API
[HBASE-13876] - Improving performance of HeapMemoryManager
[HBASE-13894] - Avoid visitor alloc each call of ByteBufferArray get/putMultiple()
[HBASE-13900] - duplicate methods between ProtobufMagic and ProtobufUtil
[HBASE-13902] - Remove Sync RpcClientImpl
[HBASE-13914] - Minor improvements to dev-support/publish_hbase_website.sh
[HBASE-13917] - Remove string comparison to identify request priority
[HBASE-13925] - Use zookeeper multi to clear znodes in ZKProcedureUtil
[HBASE-13927] - Allow hbase-daemon.sh to conditionally redirect the log or not
[HBASE-13931] - Move Unsafe based operations to UnsafeAccess
[HBASE-13943] - Get rid of KeyValue#heapSizeWithoutTags
[HBASE-13965] - Stochastic Load Balancer JMX Metrics
[HBASE-13980] - Distinguish blockedFlushCount vs unblockedFlushCount when tuning heap memory
[HBASE-13985] - Add configuration to skip validating HFile format when bulk loading
[HBASE-13996] - Add write sniffing in canary
[HBASE-14001] - Optimize write(OutputStream out, boolean withTags) for SizeCachedNoTagsKeyValue
[HBASE-14002] - Add --noReplicationSetup option to IntegrationTestReplication
[HBASE-14007] - Writing to table through MR should fail upfront if table does not exist/is disabled
[HBASE-14015] - Allow setting a richer state value when toString a pv2
[HBASE-14027] - Clean up netty dependencies
[HBASE-14040] - Small refactoring in BackupHandler
[HBASE-14045] - Bumping thrift version to 0.9.2.
[HBASE-14047] - Cleanup deprecated APIs from Cell class
[HBASE-14058] - Stabilizing default heap memory tuner
[HBASE-14068] - How to Release docs should include pointers for making signed tags
[HBASE-14078] - improve error message when HMaster can't bind to port
[HBASE-14082] - Add replica id to JMX metrics names
[HBASE-14097] - Log link to client scan troubleshooting section when scanner exceptions happen.
[HBASE-14099] - StoreFile.passesKeyRangeFilter need not create Cells from the Scan's start and stop Row
[HBASE-14110] - Add CostFunction for balancing primary region replicas
[HBASE-14122] - Client API for determining if server side supports cell level security
[HBASE-14148] - Web UI Framable Page
[HBASE-14151] - Remove the unnecessary file ProtobufUtil.java.rej which is brought in by merging hbase-11339
[HBASE-14152] - Fix the warnings in Checkstyle and FindBugs brought in by merging hbase-11339
[HBASE-14164] - Display primary region replicas distribution on table.jsp
[HBASE-14165] - The initial size of RWQueueRpcExecutor.queues should be (numWriteQueues + numReadQueues + numScanQueues)
[HBASE-14172] - Upgrade existing thrift binding using thrift 0.9.3 compiler.
[HBASE-14193] - Remove support for direct upgrade from pre-0.96 versions
[HBASE-14194] - Undeprecate methods in ThriftServerRunner.HBaseHandler
[HBASE-14203] - remove duplicate code getTableDescriptor in HTable
[HBASE-14220] - nightly tests should verify src tgz generates and builds correctly
[HBASE-14230] - replace reflection in FSHlog with HdfsDataOutputStream#getCurrentBlockReplication()
[HBASE-14247] - Separate the old WALs into different regionserver directories
[HBASE-14255] - Simplify Cell creation post 1.0
[HBASE-14260] - don't build javadocs for hbase-protocol module
[HBASE-14261] - Enhance Chaos Monkey framework by adding zookeeper and datanode fault injections.
[HBASE-14266] - RegionServers have a lock contention of Configuration.getProps
[HBASE-14268] - Improve KeyLocker
[HBASE-14306] - Refine RegionGroupingProvider: fix issues and make it more scalable
[HBASE-14309] - Allow load balancer to operate when there is region in transition by adding force flag
[HBASE-14314] - Metrics for block cache should take region replicas into account
[HBASE-14325] - Add snapshotinfo command to hbase script
[HBASE-14332] - Show the table state when we encounter exception while disabling / enabling table
[HBASE-14334] - Move Memcached block cache in to it's own optional module.
[HBASE-14345] - Consolidate printUsage in IntegrationTestLoadAndVerify
[HBASE-14387] - Compaction improvements: Maximum off-peak compaction size
[HBASE-14397] - PrefixFilter doesn't filter all remaining rows if the prefix is longer than rowkey being compared
[HBASE-14436] - HTableDescriptor#addCoprocessor will always make RegionCoprocessorHost create new Configuration
[HBASE-14448] - Refine RegionGroupingProvider Phase-2: remove provider nesting and formalize wal group name
[HBASE-14455] - Try to get rid of unused HConnection instance
[HBASE-14461] - Cleanup IncreasingToUpperBoundRegionSplitPolicy
[HBASE-14467] - Compaction improvements: DefaultCompactor should not compact TTL-expired files
[HBASE-14468] - Compaction improvements: FIFO compaction policy
[HBASE-14478] - A ThreadPoolExecutor with a LinkedBlockingQueue cannot execute tasks concurrently
[HBASE-14490] - [RpcServer] reuse request read buffer
[HBASE-14517] - Show regionserver's version in master status page
[HBASE-14520] - Optimize the number of calls for tags creation in bulk load
[HBASE-14524] - Short-circuit comparison of rows in CellComparator
[HBASE-14547] - Add more debug/trace to zk-procedure
[HBASE-14548] - Expand how table coprocessor jar and dependency path can be specified
[HBASE-14565] - Make ZK connection timeout configurable in MiniZooKeeperCluster
[HBASE-14573] - Edit on the ByteBufferedCell javadoc
[HBASE-14574] - TableOutputFormat#getRecordWriter javadoc misleads
[HBASE-14580] - Make the HBaseMiniCluster compliant with Kerberos
[HBASE-14582] - Regionserver status webpage bucketcache list can become huge
[HBASE-14586] - Use a maven profile to run Jacoco analysis
[HBASE-14587] - Attach a test-sources.jar for hbase-server
[HBASE-14588] - Stop accessing test resources from within src folder
[HBASE-14643] - Avoid Splits from once again opening a closed reader for fetching the first and last key
[HBASE-14665] - Remove deprecated HBaseTestingUtility#createTable methods
[HBASE-14666] - Remove deprecated HBaseTestingUtility#deleteTable methods
[HBASE-14668] - Remove deprecated HBaseTestCase dependency from TestHFile
[HBASE-14669] - remove unused import and fix javadoc
[HBASE-14670] - Remove deprecated HBaseTestCase from TestBlocksRead
[HBASE-14671] - Remove deprecated HBaseTestCase/Put/Delete apis from TestGetClosestAtOrBefore
[HBASE-14672] - Exorcise deprecated Delete#delete* apis
[HBASE-14675] - Exorcise deprecated Put#add(...) and replace with Put#addColumn(...)
[HBASE-14683] - Batching in buffered mutator is awful when adding lists of mutations.
[HBASE-14684] - Try to remove all MiniMapReduceCluster in unit tests
[HBASE-14687] - Un-synchronize BufferedMutator
[HBASE-14693] - Add client-side metrics for received pushback signals
[HBASE-14696] - Support setting allowPartialResults in mapreduce Mappers
[HBASE-14700] - Support a "permissive" mode for secure clusters to allow "simple" auth clients
[HBASE-14703] - HTable.mutateRow does not collect stats
[HBASE-14708] - Use copy on write Map for region location cache
[HBASE-14714] - some cleanup to snapshot code
[HBASE-14715] - Add javadocs to DelegatingRetryingCallable
[HBASE-14719] - Add metric for number of MasterProcWALs
[HBASE-14721] - Memstore add cells - Avoid many garbage
[HBASE-14731] - Add -DuseMob option to ITBLL
[HBASE-14743] - Add metrics around HeapMemoryManager
[HBASE-14749] - Make changes to region_mover.rb to use RegionMover Java tool
[HBASE-14752] - Add example of using the HBase client in a multi-threaded environment
[HBASE-14765] - Remove snappy profile
[HBASE-14766] - In WALEntryFilter, cell.getFamily() needs to be replaced with the new low-cost implementation
[HBASE-14780] - Integration Tests that run with ChaosMonkey need to specify CFs
[HBASE-14790] - Implement a new DFSOutputStream for logging WAL only
[HBASE-14795] - Enhance the spark-hbase scan operations
[HBASE-14796] - Enhance the Gets in the connector
[HBASE-14800] - Expose checkAndMutate via Thrift2
[HBASE-14805] - status should show the master in shell
[HBASE-14821] - CopyTable should allow overriding more config properties for peer cluster
[HBASE-14826] - Small improvement in KVHeap seek() API
[HBASE-14829] - Add more checkstyles
[HBASE-14859] - Better checkstyle reporting
[HBASE-14860] - Improve BoundedByteBufferPool; make lockless
[HBASE-14862] - Add support for reporting p90 for histogram metrics
[HBASE-14865] - Support passing multiple QOPs to SaslClient/Server via hbase.rpc.protection
[HBASE-14866] - VerifyReplication should use peer configuration in peer connection
[HBASE-14871] - Allow specifying the base branch for make_patch
[HBASE-14881] - Provide a Put API that uses the provided row without coping
[HBASE-14882] - Provide a Put API that adds the provided family, qualifier, value without copying
[HBASE-14891] - Add log for uncaught exception in RegionServerMetricsWrapperRunnable
[HBASE-14906] - Improvements on FlushLargeStoresPolicy
[HBASE-14925] - Develop HBase shell command/tool to list table's region info through command line
[HBASE-14946] - Don't allow multi's to over run the max result size.
[HBASE-14951] - Make hbase.regionserver.maxlogs obsolete
[HBASE-14963] - Remove use of Guava Stopwatch from HBase client code
[HBASE-14969] - Add throughput controller for flush
[HBASE-14976] - Add RPC call queues to the web ui
[HBASE-14978] - Don't allow Multi to retain too many blocks
[HBASE-14983] - Create metrics for per block type hit/miss ratios
[HBASE-14984] - Allow memcached block cache to set optimze to false
[HBASE-14985] - TimeRange constructors should set allTime when appropriate
[HBASE-14996] - Some more API cleanup for 2.0
[HBASE-15005] - Use value array in computing block length for 1.2 and 1.3
[HBASE-15038] - ExportSnapshot should support separate configurations for source and destination clusters
[HBASE-15044] - Region normalization should be allowed when underlying namespace has quota
[HBASE-15060] - Cull TestHFileWriterV2 and HFileWriterFactory
[HBASE-15062] - IntegrationTestMTTR conditionally run some tests
[HBASE-15066] - Small improvements to Canary tool
[HBASE-15068] - Add metrics for region normalization plans
[HBASE-15076] - Add getScanner(Scan scan, List<KeyValueScanner> additionalScanners) API into Region interface
[HBASE-15111] - "hbase version" should write to stdout
[HBASE-15119] - Include git SHA in check_compatibility reports
[HBASE-15123] - Remove duplicate code in LocalHBaseCluster and minor formatting
[HBASE-15129] - Set default value for hbase.fs.tmp.dir rather than fully depend on hbase-default.xml
[HBASE-15177] - Reduce garbage created under high load
[HBASE-15191] - CopyTable and VerifyReplication - Option to specify batch size, versions
[HBASE-15197] - Expose filtered read requests metric to metrics framework and Web UI
[HBASE-15201] - Add hbase-spark to hbase assembly
[HBASE-15211] - Don't run the CatalogJanitor if there are regions in transition
[HBASE-15212] - RPCServer should enforce max request size
[HBASE-15219] - Canary tool does not return non-zero exit code when one of regions is in stuck state
[HBASE-15222] - Use less contended classes for metrics
[HBASE-15223] - Make convertScanToString public for Spark
[HBASE-15229] - Canary Tools should not call System.Exit on error
[HBASE-15243] - Utilize the lowest seek value when all Filters in MUST_PASS_ONE FilterList return SEEK_NEXT_USING_HINT
[HBASE-15296] - Break out writer and reader from StoreFile
[HBASE-15300] - Upgrade to zookeeper 3.4.8
[HBASE-15301] - Remove the never-thrown NamingException from TableInputFormatBase#reverseDNS method signature
[HBASE-15306] - Make RPC call queue length dynamically configurable
[HBASE-15312] - Update the dependences of pom for mini cluster in HBase Book
[HBASE-15315] - Remove always set super user call as high priority
[HBASE-15338] - Add a option to disable the data block cache for testing the performance of underlying file system
[HBASE-15339] - Improve DateTieredCompactionPolicy
[HBASE-15349] - Update surefire version to 2.19.1
[HBASE-15353] - Add metric for number of CallQueueTooBigExceptions
[HBASE-15356] - Remove unused Imports
[HBASE-15391] - Avoid too large "deleted from META" info log
[HBASE-15396] - Enhance mapreduce.TableSplit to add encoded region name
[HBASE-15410] - Utilize the max seek value when all Filters in MUST_PASS_ALL FilterList return SEEK_NEXT_USING_HINT
[HBASE-15413] - Procedure-V2: print out ProcedureInfo during trace
[HBASE-15415] - Improve Master WebUI snapshot information
[HBASE-15429] - Add a split policy for busy regions
[HBASE-15447] - Improve javadocs description for Delete methods
[HBASE-15451] - Remove unnecessary wait in MVCC
[HBASE-15456] - CreateTableProcedure/ModifyTableProcedure needs to fail when there is no family in table descriptor
[HBASE-15466] - precommit should not run all java goals when given a docs-only patch
[HBASE-15470] - Add a setting for Priority queue length
[HBASE-15471] - Add num calls in priority and general queue to RS UI
[HBASE-15475] - Allow TimestampsFilter to provide a seek hint
[HBASE-15478] - add comments to FSHLog explaining why syncRunnerIndex won't overflow
[HBASE-15482] - Provide an option to skip calculating block locations for SnapshotInputFormat
[HBASE-15486] - Avoid multiple disable/enable balancer calls while running rolling-restart.sh --graceful
[HBASE-15496] - Throw RowTooBigException only for user scan/get
[HBASE-15507] - Online modification of enabled ReplicationPeerConfig
[HBASE-15508] - Add command for exporting snapshot in hbase command script
[HBASE-15511] - ClusterStatus should be able to return responses by scope
[HBASE-15526] - Make SnapshotManager accessible through MasterServices
[HBASE-15529] - Override needBalance in StochasticLoadBalancer
[HBASE-15551] - Make call queue too big exception use servername
[HBASE-15569] - Make Bytes.toStringBinary faster
[HBASE-15571] - Make MasterProcedureManagerHost accessible through MasterServices
[HBASE-15586] - Unify human readable numbers in the web UI
[HBASE-15593] - Time limit of scanning should be offered by client
[HBASE-15600] - Add provision for adding mutations to memstore or able to write to same region in batchMutate coprocessor hooks
[HBASE-15605] - Remove PB references from HCD and HTD for 2.0
[HBASE-15606] - Limit creating zk connection in HBaseAdmin#getCompactionState() only to case when 'hbase:meta' is checked.
[HBASE-15607] - Remove PB references from Admin for 2.0
[HBASE-15608] - Remove PB references from SnapShot related Exceptions
[HBASE-15609] - Remove PB references from Result, DoubleColumnInterpreter and any such public facing class for 2.0
[HBASE-15610] - Remove deprecated HConnection for 2.0 thus removing all PB references for 2.0
[HBASE-15612] - Minor improvements to CellCounter and RowCounter documentation
[HBASE-15614] - Report metrics from JvmPauseMonitor
[HBASE-15632] - Undo the checking of lastStoreFlushTimeMap.isEmpty() introduced in HBASE-13145
[HBASE-15641] - Shell "alter" should do a single modifyTable operation
[HBASE-15667] - Add more clarity to Reference Guide related to importing Eclipse Formatter
[HBASE-15680] - Examples in shell help message for TIMERANGE scanner specifications should use milliseconds instead of seconds
[HBASE-15686] - Add override mechanism for the exempt classes when dynamically loading table coprocessor
[HBASE-15688] - Use MasterServices directly instead of casting to HMaster when possible
[HBASE-15706] - HFilePrettyPrinter should print out nicely formatted tags
[HBASE-15720] - Print row locks at the debug dump page
[HBASE-15727] - Canary Tool for Zookeeper
[HBASE-15744] - Port over small format/text improvements from HBASE-13784
[HBASE-15745] - Refactor RPC classes to better accept async changes.
[HBASE-15756] - Pluggable RpcServer
[HBASE-15759] - RegionObserver.preStoreScannerOpen() doesn't have acces to current readpoint
[HBASE-15767] - Upgrade httpclient dependency
[HBASE-15768] - fix capitalization of ZooKeeper usage
[HBASE-15773] - CellCounter improvements
[HBASE-15791] - Improve javadoc in ScheduledChore
[HBASE-15793] - Port over AsyncCall improvements
[HBASE-15794] - Fix Findbugs instanceof always true issue in MultiServerCallable
[HBASE-15795] - Cleanup all classes in package org.apache.hadoop.hbase.ipc for code style
[HBASE-15802] - ConnectionUtils should use ThreadLocalRandom instead of Random
[HBASE-15808] - Reduce potential bulk load intermediate space usage and waste
[HBASE-15816] - Provide client with ability to set priority on Operations
[HBASE-15837] - Memstore size accounting is wrong if postBatchMutate() throws exception
[HBASE-15842] - SnapshotInfo should display ownership information
[HBASE-15843] - Replace RegionState.getRegionInTransition() Map with a Set
[HBASE-15849] - Shell Cleanup: Simplify handling of commands' runtime
[HBASE-15854] - Log the cause of SASL connection failures
[HBASE-15864] - Reuse the testing helper to wait regions in transition
[HBASE-15870] - Specify columns in REST multi gets
[HBASE-15882] - Upgrade to yetus precommit 0.3.0
[HBASE-15890] - Allow thrift to set/unset "cacheBlocks" for Scans
[HBASE-15910] - Update hbase ref guide to explain submit-patch.py
[HBASE-15921] - Add first AsyncTable impl and create TableImpl based on it
[HBASE-15924] - Enhance hbase services autorestart capability to hbase-daemon.sh
[HBASE-15931] - Add log for long-running tasks in AsyncProcess
[HBASE-15941] - HBCK repair should not unsplit healthy splitted region
[HBASE-15949] - Cleanup TestRegionServerMetrics
[HBASE-15981] - Stripe and Date-tiered compactions inaccurately suggest disabling table in docs
[HBASE-16004] - Update to Netty 4.1.1
[HBASE-16008] - A robust way deal with early termination of HBCK
[HBASE-16010] - Put draining function through Admin API
[HBASE-16018] - Better documentation of ReplicationPeers
[HBASE-16026] - Master UI should display status of additional ZK switches
[HBASE-16033] - Add more details in logging of responseTooSlow/TooLarge
[HBASE-16042] - Add support in PE tool for InMemory Compaction
[HBASE-16048] - Tag InternalScanner with LimitedPrivate(HBaseInterfaceAudience.COPROC)
[HBASE-16052] - Improve HBaseFsck Scalability
[HBASE-16085] - Add on metric for failed compactions
[HBASE-16086] - TableCfWALEntryFilter and ScopeWALEntryFilter should not redundantly iterate over cells.
[HBASE-16087] - Replication shouldn't start on a master if if only hosts system tables
[HBASE-16089] - Add on FastPath for CoDel
[HBASE-16108] - RowCounter should support multiple key ranges
[HBASE-16114] - Get regionLocation of required regions only for MR jobs
[HBASE-16116] - Remove redundant pattern *.iml
[HBASE-16124] - Make check_compatibility.sh less verbose when building HBase
[HBASE-16130] - Add comments to ProcedureStoreTracker
[HBASE-16139] - Use CellUtil instead of KeyValueUtil in Import
[HBASE-16140] - bump owasp.esapi from 2.1.0 to 2.1.0.1
[HBASE-16147] - Shell command for getting compaction state
[HBASE-16149] - Log the underlying RPC exception in RpcRetryingCallerImpl
[HBASE-16188] - Add EventCounter information to log4j properties file
[HBASE-16196] - Update jruby to a newer version.
[HBASE-16220] - Demote log level for "HRegionFileSystem - No StoreFiles for" messages to TRACE
[HBASE-16224] - Reduce the number of RPCs for the large PUTs
[HBASE-16225] - Refactor ScanQueryMatcher
[HBASE-16231] - Integration tests should support client keytab login for secure clusters
[HBASE-16241] - Allow specification of annotations to use when running check_compatibility.sh
[HBASE-16256] - Purpose of EnvironmentEdge, EnvironmentEdgeManager
[HBASE-16266] - Do not throw ScannerTimeoutException when catch UnknownScannerException
[HBASE-16275] - Change ServerManager#onlineServers from ConcurrentHashMap to ConcurrentSkipListMap
[HBASE-16287] - LruBlockCache size should not exceed acceptableSize too many
[HBASE-16299] - Update REST API scanner with ability to do reverse scan
[HBASE-16302] - age of last shipped op and age of last applied op should be histograms
[HBASE-16312] - update jquery version
[HBASE-16348] - update jcoding and joni versions
[HBASE-16351] - do dependency license check via enforcer plugin
[HBASE-16379] - [replication] Minor improvement to replication/copy_tables_desc.rb
[HBASE-16381] - Shell deleteall command should support row key prefixes
[HBASE-16385] - Have hbase-rest pull hbase.rest.port from Constants.java
[HBASE-16399] - Provide an API to get list of failed regions and servername in Canary
[HBASE-16414] - Improve performance for RPC encryption with Apache Common Crypto
[HBASE-16419] - check REPLICATION_SCOPE's value more stringently
[HBASE-16422] - Tighten our guarantees on compatibility across patch versions
[HBASE-16423] - Add re-compare option to VerifyReplication to avoid occasional inconsistent rows
[HBASE-16434] - Improve flaky dashboard
[HBASE-16448] - Custom metrics for custom replication endpoints
[HBASE-16450] - Shell tool to dump replication queues
[HBASE-16455] - Provide API for obtaining all the WAL files
[HBASE-16466] - HBase snapshots support in VerifyReplication tool to reduce load on live HBase cluster with large tables
[HBASE-16469] - Several log refactoring/improvement suggestions
[HBASE-16486] - Unify system table creation using the same createSystemTable API.
[HBASE-16502] - Reduce garbage in BufferedDataBlockEncoder
[HBASE-16506] - Use subprocedure of Proc V2 for snapshot in BackupProcedure
[HBASE-16508] - Move UnexpectedStateException to common
[HBASE-16509] - Add option to LoadIncrementalHFiles which allows skipping unmatched column families
[HBASE-16541] - Avoid unnecessary cell copy in Result#compareResults
[HBASE-16561] - Add metrics about read/write/scan queue length and active read/write/scan handler count
[HBASE-16562] - ITBLL should fail to start if misconfigured
[HBASE-16574] - Add backup / restore feature to refguide
[HBASE-16585] - Rewrite the delegation token tests with Parameterized pattern
[HBASE-16598] - Enable zookeeper useMulti always and clean up in HBase code
[HBASE-16616] - Rpc handlers stuck on ThreadLocalMap.expungeStaleEntry
[HBASE-16640] - TimeoutBlockingQueue#remove() should return whether the entry is removed
[HBASE-16646] - Enhance LoadIncrementalHFiles API to accept store file paths as input
[HBASE-16657] - Expose per-region last major compaction timestamp in RegionServer UI
[HBASE-16658] - Optimize UTF8 string/byte conversions
[HBASE-16659] - Use CellUtil.createFirstOnRow instead of KeyValueUtil.createFirstOnRow in some places.
[HBASE-16661] - Add last major compaction age to per-region metrics
[HBASE-16666] - Add append and remove peer namespaces cmds for replication
[HBASE-16667] - Building with JDK 8: ignoring option MaxPermSize=256m
[HBASE-16672] - Add option for bulk load to always copy hfile(s) instead of renaming
[HBASE-16680] - Reduce garbage in BufferChain
[HBASE-16690] - Move znode path configs to a separated class
[HBASE-16691] - Optimize KeyOnlyFilter by utilizing KeyOnlyCell
[HBASE-16692] - Make ByteBufferUtils#equals safer and correct
[HBASE-16694] - Reduce garbage for onDiskChecksum in HFileBlock
[HBASE-16698] - Performance issue: handlers stuck waiting for CountDownLatch inside WALKey#getWriteEntry under high writing workload
[HBASE-16700] - Allow for coprocessor whitelisting
[HBASE-16705] - Eliminate long to Long auto boxing in LongComparator
[HBASE-16708] - Expose endpoint Coprocessor name in "responseTooSlow" log messages
[HBASE-16714] - Procedure V2 - use base class to remove duplicate set up test code in table DDL procedures
[HBASE-16720] - Sort build ids in flaky dashboard
[HBASE-16730] - Exclude junit as a transitive dependency from hadoop-common
[HBASE-16734] - add hadoop 3.0.0-alpha1 to post commit checks
[HBASE-16772] - Add verbose option to VerifyReplication for logging good rows
[HBASE-16773] - AccessController should access local region if possible
[HBASE-16774] - [shell] Add coverage to TestShell when ZooKeeper is not reachable
[HBASE-16783] - Use ByteBufferPool for the header and message during Rpc response
[HBASE-16784] - Make use of ExtendedCell#write(OutputStream os) for the default HFileWriter#append()
[HBASE-16792] - Reuse KeyValue.KeyOnlyKeyValue in BufferedDataBlockEncoder.SeekerState
[HBASE-16809] - Save one cell length calculation in HeapMemStoreLAB#copyCellInto
[HBASE-16818] - Avoid multiple copies of binary data during the conversion from Result to Row
[HBASE-16821] - Enhance LoadIncrementalHFiles API to convey missing hfiles if any
[HBASE-16840] - Reuse cell's timestamp and type in ScanQueryMatcher
[HBASE-16844] - Procedure V2: DispatchMergingRegionsProcedure to use base class StateMachineProcedure for abort and rollback
[HBASE-16854] - Refactor the org.apache.hadoop.hbase.client.Action
[HBASE-16868] - Add a replicate_all flag to avoid misuse the namespaces and table-cfs config of replication peer
[HBASE-16888] - Avoid unnecessary tags copy in Append
[HBASE-16893] - Use Collection.removeIf instead of Iterator.remove in DependentColumnFilter
[HBASE-16894] - Create more than 1 split per region, generalize HBASE-12590
[HBASE-16946] - Provide Raw scan as an option in VerifyReplication
[HBASE-16947] - Some improvements for DumpReplicationQueues tool
[HBASE-16950] - Print raw stats in the end of procedure performance tools for parsing results from scripts
[HBASE-16969] - RegionCoprocessorServiceExec should override the toString() for debugging
[HBASE-16972] - Log more details for Scan#next request when responseTooSlow
[HBASE-16977] - VerifyReplication should log a printable representation of the row keys
[HBASE-17004] - Refactor IntegrationTestManyRegions to use @ClassRule for timing out
[HBASE-17005] - Improve log message in MobFileCache
[HBASE-17006] - Add names to threads for better debugability of thread dumps
[HBASE-17013] - Add constructor to RowMutations for initializing the capacity of internal list
[HBASE-17014] - Add clearly marked starting and shutdown log messages for all services.
[HBASE-17026] - VerifyReplication log should distinguish whether good row key is result of revalidation
[HBASE-17034] - avoid unnecessary Get copy in HTable#exist
[HBASE-17037] - Enhance LoadIncrementalHFiles API to convey loaded files
[HBASE-17047] - Add an API to get HBase connection cache statistics
[HBASE-17057] - Minor compactions should also drop page cache behind reads
[HBASE-17063] - Cleanup TestHRegion : remove duplicate variables for method name and two unused params in initRegion
[HBASE-17064] - Add TaskMonitor#getTasks() variant which accepts type selection
[HBASE-17065] - Perform more effective sorting for RPC Handler Tasks
[HBASE-17077] - Don't copy the replication queue belonging to the peer which has been deleted
[HBASE-17083] - Enable hedged reads by default in hbase-2.0.0
[HBASE-17086] - Add comments to explain why Cell#getTagsLength() returns an int, rather than a short
[HBASE-17088] - Refactor RWQueueRpcExecutor/BalancedQueueRpcExecutor/RpcExecutor
[HBASE-17110] - Improve SimpleLoadBalancer to always take server-level balance into account
[HBASE-17123] - Add postBulkLoadHFile variant that notifies the final paths for the hfiles
[HBASE-17126] - Expose KeyValue#checkParameters() and checkForTagsLength() to be used by other Cell implementations
[HBASE-17129] - Remove public from methods in DataType interface
[HBASE-17157] - Increase the default mergeable threshold for mob compaction
[HBASE-17161] - MOB : Make ref cell creation more efficient
[HBASE-17165] - Add retry to LoadIncrementalHFiles tool
[HBASE-17172] - Optimize mob compaction with _del files
[HBASE-17176] - Reuse the builder in RequestConverter
[HBASE-17178] - Add region balance throttling
[HBASE-17184] - Code cleanup of LruBlockCache
[HBASE-17191] - Make use of UnsafeByteOperations#unsafeWrap(ByteBuffer buffer) in PBUtil#toCell(Cell cell)
[HBASE-17194] - Assign the new region to the idle server after splitting
[HBASE-17205] - Add a metric for the duration of region in transition
[HBASE-17207] - Arrays.asList() with too few arguments
[HBASE-17211] - Add more details in log when UnknownScannerException thrown in ScannerCallable
[HBASE-17212] - Should add null checker on table name in HTable constructor and RegionServerCallable
[HBASE-17215] - Separate small/large file delete threads in HFileCleaner to accelerate archived hfile cleanup speed
[HBASE-17216] - A Few Fields Can Be Safely Made Static
[HBASE-17221] - Abstract out an interface for RpcServer.Call
[HBASE-17232] - Replace HashSet with ArrayList to accumulate delayed scanners in KVHeap and StoreScanner.
[HBASE-17235] - Improvement in creation of CIS for onheap buffer cases
[HBASE-17239] - Add UnsafeByteOperations#wrap(ByteInput, int offset, int len) API
[HBASE-17241] - Avoid compacting already compacted mob files with _del files
[HBASE-17243] - Reuse CompactionPartitionId and avoid creating MobFileName in PartitionedMobCompactor to avoid unnecessary new objects
[HBASE-17245] - Replace HTableDescriptor#htd.getColumnFamilies().length with a low-cost implementation
[HBASE-17249] - Get/Scan's setTimeRange/setColumnFamilyTimeRange can take the TimeRange reference as the parameter instead of creating a new setColumnFamilyTimeRange instance
[HBASE-17276] - Reduce log spam from WrongRegionException in large multi()'s
[HBASE-17280] - Add mechanism to control hbase cleaner behavior
[HBASE-17291] - Remove ImmutableSegment#getKeyValueScanner
[HBASE-17292] - Add observer notification before bulk loaded hfile is moved to region directory
[HBASE-17296] - Provide per peer throttling for replication
[HBASE-17298] - remove unused code in HRegion#doMiniBatchMutation
[HBASE-17314] - Limit total buffered size for all replication sources
[HBASE-17318] - Increment does not add new column if the increment amount is zero at first time writing
[HBASE-17331] - Avoid busy waiting in ThrottledInputStream
[HBASE-17332] - Replace HashMap to Array for DataBlockEncoding.idToEncoding
[HBASE-17343] - Make Compacting Memstore default in 2.0 with BASIC as the default type
[HBASE-17348] - Remove the unused hbase.replication from javadoc/comment/book completely
[HBASE-17404] - Replace explicit type with diamond operator in hbase-annotations
[HBASE-17408] - Introduce per request limit by number of mutations
[HBASE-17425] - Fix calls to deprecated APIs in TestUpdateConfiguration
[HBASE-17437] - Support specifying a WAL directory outside of the root directory
[HBASE-17448] - Export metrics from RecoverableZooKeeper
[HBASE-17449] - Add explicit document on different timeout settings
[HBASE-17462] - Use sliding window for read/write request costs in StochasticLoadBalancer
[HBASE-17472] - Correct the semantic of permission grant
[HBASE-17488] - WALEdit should be lazily instantiated
[HBASE-17505] - Do not issue close scanner request if RS tells us there is no more results for this region
[HBASE-17514] - Warn when Thrift Server 1 is configured for proxy users but not the HTTP transport
[HBASE-17515] - Reduce memory footprint of RegionLoads kept by StochasticLoadBalancer
[HBASE-17532] - Replace explicit type with diamond operator
[HBASE-17543] - Create additional ReplicationEndpoint WALEntryFilters by configuration
[HBASE-17552] - Update developer section in hbase book
[HBASE-17555] - Change calls to deprecated getHBaseAdmin to getAdmin
[HBASE-17563] - Foreach and switch in RootDocProcessor and StabilityOptions
[HBASE-17569] - HBase-Procedure module need to support mvn clean test -PskipProcedureTests to skip unit test
[HBASE-17588] - Remove unused imports brought in by HBASE-17437
[HBASE-17591] - Update documentation to say distributed log replay defaults to 'false'
[HBASE-17592] - Fix typo in IPCUtil and RpcConnection
[HBASE-17605] - Refactor procedure framework code
[HBASE-17613] - avoid copy of family when initializing the FSWALEntry
[HBASE-17623] - Reuse the bytes array when building the hfile block
[HBASE-17627] - Active workers metric for thrift
[HBASE-17634] - Clean up the usage of Result.isPartial
[HBASE-17637] - Update progress more frequently in IntegrationTestBigLinkedList.Generator.persist
[HBASE-17654] - RSGroup code refactoring
[HBASE-17676] - Get class name once for all in AbstractFSWAL
[HBASE-17689] - Add support for table.existsAll in thrift2 THBaseservice
[HBASE-17690] - Clean up MOB code
[HBASE-17716] - Formalize Scan Metric names
[HBASE-17731] - Fractional latency reporting in MultiThreadedAction
[HBASE-17732] - Coprocessor Design Improvements
[HBASE-17734] - Guard against possibly copying the qualifier in the ScanDeleteTracker
[HBASE-17747] - Support both weak and soft object pool
[HBASE-17777] - TestMemstoreLAB#testLABThreading runs too long for a small test
[HBASE-17778] - Remove the testing code in the AsyncRequestFutureImpl
[HBASE-17815] - Remove the unused field in PrefixTreeSeeker
[HBASE-17817] - Make Regionservers log which tables it removed coprocessors from when aborting
[HBASE-17823] - Migrate to Apache Yetus Audience Annotations
[HBASE-17826] - Backup: submit M/R job to a particular Yarn queue
[HBASE-17831] - Support small scan in thrift2
[HBASE-17835] - Spelling mistakes in the Java source
[HBASE-17836] - CellUtil#estimatedSerializedSizeOf is slow when input is ByteBufferCell
[HBASE-17854] - Use StealJobQueue in HFileCleaner after HBASE-17215
[HBASE-17875] - Document why objects over 10MB are not well-suited for hbase
[HBASE-17877] - Improve HBase's byte[] comparator
[HBASE-17888] - Add generic methods for updating metrics on start and end of a procedure execution
[HBASE-17910] - Use separated StoreFileReader for streaming read
[HBASE-17912] - Avoid major compactions on region server startup
[HBASE-17924] - Consider sorting the row order when processing multi() ops before taking rowlocks
[HBASE-17944] - Removed unused JDK version parsing from ClassSize.
[HBASE-17956] - Raw scan should ignore TTL
[HBASE-17959] - Canary timeout should be configurable on a per-table basis
[HBASE-17962] - Improve documentation on Rest interface
[HBASE-17973] - Create shell command to identify regions with poor locality
[HBASE-17979] - HBase Shell 'list' Command Help Doc Improvements
[HBASE-17990] - Refactor TestFSUtils to use Before
[HBASE-17995] - improve log messages during snapshot related tests
[HBASE-18001] - Extend the "count" shell command to support specified conditions
[HBASE-18004] - getRegionLocations needs to be called once in ScannerCallableWithReplicas#call()
[HBASE-18007] - Clean up rest module code
[HBASE-18011] - Refactor RpcServer
[HBASE-18015] - Storage class aware block placement for procedure v2 WALs
[HBASE-18017] - Reduce frequency of setStoragePolicy failure warnings
[HBASE-18019] - Close redundant memstore scanners
[HBASE-18020] - Update API Compliance Checker to Incorporate Improvements Done in Hadoop
[HBASE-18021] - Add more info in timed out RetriesExhaustedException for read replica client get processing,
[HBASE-18022] - Refine the error message issued with TableNotFoundException when expected table is not the same as the one fetched from meta
[HBASE-18023] - Log multi-* requests for more than threshold number of rows
[HBASE-18033] - Update supplemental models for new deps in Hadoop trunk
[HBASE-18041] - Add pylintrc file to HBase
[HBASE-18043] - Institute a hard limit for individual cell size that cannot be overridden by clients
[HBASE-18067] - Support a default converter for data read shell commands
[HBASE-18075] - Support namespaces and tables with non-latin alphabetical characters
[HBASE-18083] - Make large/small file clean thread number configurable in HFileCleaner
[HBASE-18090] - Improve TableSnapshotInputFormat to allow more multiple mappers per region
[HBASE-18094] - Display the return value of the command append
[HBASE-18101] - Fix type mismatch on container access in QuotaCache#chore
[HBASE-18164] - Much faster locality cost function and candidate generator
[HBASE-18169] - Coprocessor fix and cleanup before 2.0.0 release
[HBASE-18224] - Upgrade jetty
[HBASE-18248] - Warn if monitored RPC task has been tied up beyond a configurable threshold
[HBASE-18251] - Remove unnecessary traversing to the first and last keys in the CellSet
[HBASE-18252] - Resolve BaseLoadBalancer bad practice warnings
[HBASE-18261] - [AMv2] Create new RecoverMetaProcedure and use it from ServerCrashProcedure and HMaster.finishActiveMasterInitialization()
[HBASE-18275] - Formatting and grammar mistakes in schemadoc chapter
[HBASE-18281] - Performance update in StoreFileWriter.java for string replacement
[HBASE-18286] - Create static empty byte array to save memory
[HBASE-18294] - Reduce global heap pressure: flush based on heap occupancy
[HBASE-18303] - Clean up some parameterized test declarations
[HBASE-18307] - Share the same EventLoopGroup for NettyRpcServer, NettyRpcClient and AsyncFSWALProvider at RS side
[HBASE-18309] - Support multi threads in CleanerChore
[HBASE-18332] - Upgrade asciidoctor-maven-plugin
[HBASE-18339] - Update test-patch to use hadoop 3.0.0-alpha4
[HBASE-18374] - RegionServer Metrics improvements
[HBASE-18387] - [Thrift] Make principal configurable in DemoClient.java
[HBASE-18389] - Remove byte[] from formal parameter of sizeOf() of ClassSize, ClassSize.MemoryLayout and ClassSize.UnsafeLayout
[HBASE-18402] - Thrift2 should support DeleteFamilyVersion type
[HBASE-18412] - [Shell] Support unset of list of configuration for a table
[HBASE-18426] - nightly job should use independent stages to check supported jdks
[HBASE-18434] - Address some alerts raised by lgtm.com
[HBASE-18436] - Add client-side hedged read metrics
[HBASE-18467] - nightly job needs to run all stages and then comment on jira
[HBASE-18469] - Correct RegionServer metric of totalRequestCount
[HBASE-18478] - Allow users to remove RegionFinder from LoadBalancer calculations if no locality possible
[HBASE-18485] - Performance issue: ClientAsyncPrefetchScanner is slower than ClientSimpleScanner
[HBASE-18500] - Performance issue: Don't use BufferedMutator for HTable's put method
[HBASE-18504] - Add documentation for WAL compression
[HBASE-18519] - Use builder pattern to create cell
[HBASE-18520] - Add jmx value to determine true Master Start time
[HBASE-18522] - Add RowMutations support to Batch
[HBASE-18532] - Improve cache related stats rendered on RS UI
[HBASE-18533] - Expose BucketCache values to be configured
[HBASE-18548] - Move sources of important Jenkins jobs into source control
[HBASE-18555] - Remove redundant familyMap.put() from addxxx() of sub-classes of Mutation and Query
[HBASE-18559] - Add histogram to MetricsConnection to track concurrent calls per server
[HBASE-18566] - [RSGROUP]Log the client IP/port of the rsgroup admin
[HBASE-18573] - Update Append and Delete to use Mutation#getCellList(family)
[HBASE-18581] - Remove dead code and some tidy up in BaseLoadBalancer
[HBASE-18601] - Update Htrace to 4.2
[HBASE-18602] - rsgroup cleanup unassign code
[HBASE-18609] - Apply ClusterStatus#getClusterStatus(EnumSet<Option>) in code base
[HBASE-18621] - Refactor ClusterOptions before applying to code base
[HBASE-18629] - Enhance ChaosMonkeyRunner with interruptibility
[HBASE-18631] - Allow configuration of ChaosMonkey properties via hbase-site
[HBASE-18649] - Deprecate KV Usage in MR to move to Cells in 3.0
[HBASE-18651] - Let ChaosMonkeyRunner expose the chaos monkey runner it creates
[HBASE-18652] - Expose individual cache stats in a CombinedCache through JMX
[HBASE-18662] - The default values for many configuration items in the code are not consistent with hbase-default.xml
[HBASE-18673] - Some more unwanted reference to unshaded PB classes
[HBASE-18674] - upgrade hbase to commons-lang3
[HBASE-18675] - Making {max,min}SessionTimeout configurable for MiniZooKeeperCluster
[HBASE-18677] - typo in namespace docs
[HBASE-18683] - Upgrade hbase to commons-math 3
[HBASE-18699] - Copy LoadIncrementalHFiles to another package and mark the old one as deprecated
[HBASE-18701] - Optimize reference guide to use cell acl conveniently
[HBASE-18704] - Upgrade hbase to commons-collections 4
[HBASE-18737] - Display configured max size of memstore and cache on RS UI
[HBASE-18740] - Upgrade Zookeeper version to 3.4.10
[HBASE-18746] - Throw exception with job.getStatus().getFailureInfo() when ExportSnapshot fails
[HBASE-18772] - [JDK8] Replace AtomicLong with LongAdder
[HBASE-18778] - Use Comparator for StealJobQueue
[HBASE-18784] - Use of filesystem that requires hflush / hsync / append / etc should query outputstream capabilities
[HBASE-18795] - Expose KeyValue.getBuffer() for tests alone
[HBASE-18806] - VerifyRep by snapshot need not to restore snapshot for each mapper
[HBASE-18814] - Make ScanMetrics enabled and add counter <HBase Counters, ROWS_SCANNED> into the MapReduce Job over snapshot
[HBASE-18824] - Add meaningful comment to HConstants.LATEST_TIMESTAMP to explain why it is MAX_VALUE
[HBASE-18843] - Add DistCp support to incremental backup with bulk loading
[HBASE-18849] - expand "thirdparty" reference to give examples of setting netty location in common testing modules
[HBASE-18870] - Hbase Backup should set the details to MR job name
[HBASE-18883] - Upgrade to Curator 4.0
[HBASE-18884] - Coprocessor Design Improvements follow up of HBASE-17732
[HBASE-18899] - Make Fileinfo more readable in HFilePrettyPrinter
[HBASE-18925] - Need updated mockito for using java optional
[HBASE-18929] - Hbase backup command doesn’t show debug option to enable backup in debug mode
[HBASE-18986] - Remove unnecessary null check after CellUtil.cloneQualifier()
[HBASE-18994] - Decide if META/System tables should use Compacting Memstore or Default Memstore
[HBASE-19027] - Honor the CellComparator of ScanInfo in scanning over a store
[HBASE-19051] - Add new split algorithm for num string
[HBASE-19091] - Code annotation wrote "BinaryComparator" instead of "LongComparator"
[HBASE-19110] - Add default for Server#isStopping & #getFileSystem
[HBASE-19139] - Create Async Admin methods for Clear Block Cache
[HBASE-19140] - hbase-cleanup.sh uses deprecated call to remove files in hdfs
[HBASE-19180] - Remove unused imports from AlwaysPasses
[HBASE-19186] - Unify to use bytes to show size in master/rs ui
[HBASE-19187] - Remove option to create on heap bucket cache
[HBASE-19227] - Nightly jobs should archive JVM dumpstream files
[HBASE-19228] - nightly job should gather machine stats.
[HBASE-19251] - Merge RawAsyncTable and AsyncTable
[HBASE-19252] - Move the transform logic of FilterList into transformCell() method to avoid extra ref to question cell
[HBASE-19262] - Revisit checkstyle rules
[HBASE-19274] - Log IOException when unable to determine the size of committed file
[HBASE-19290] - Reduce zk request when doing split log
[HBASE-19293] - Support adding a new replication peer in disabled state
[HBASE-19311] - Promote TestAcidGuarantees to LargeTests and start mini cluster once to make it faster
[HBASE-19336] - Improve rsgroup to allow assign all tables within a specified namespace by only writing namespace
[HBASE-19341] - Ensure CP can abort a Server
[HBASE-19358] - Improve the stability of splitting log when do fail over
[HBASE-19367] - Refactoring in RegionStates, and RSProcedureDispatcher
[HBASE-19372] - Remove the Span object in SyncFuture as it is useless now
[HBASE-19382] - Update report-flakies.py script to handle yetus builds
[HBASE-19432] - Roll the specified writer in HFileOutputFormat2
[HBASE-19448] - Replace StringBuffer with StringBuilder for hbase-server
[HBASE-19463] - Make CPEnv#getConnection return a facade that throws Unsupported if CP calls #close
[HBASE-19464] - Replace StringBuffer with StringBuilder for hbase-common
[HBASE-19472] - Remove ArrayUtil Class
[HBASE-19473] - Miscellaneous changes to ClientScanner
[HBASE-19483] - Add proper privilege check for rsgroup commands
[HBASE-19486] - Periodically ensure records are not buffered too long by BufferedMutator
[HBASE-19489] - Check against only the latest maintenance release in pre-commit hadoopcheck.
[HBASE-19491] - Exclude flaky tests from nightly master run
[HBASE-19492] - Add EXCLUDE_NAMESPACE and EXCLUDE_TABLECFS support to replication peer config
[HBASE-19521] - HBase mob compaction need to check hfile version
[HBASE-19531] - Remove needless volatile declaration
[HBASE-19545] - Replace getBytes(StandardCharsets.UTF_8) with Bytes.toBytes
[HBASE-19570] - Add hadoop3 tests to Nightly master/branch-2 runs
[HBASE-19571] - Minor refactor of Nightly run scripts
[HBASE-19576] - Introduce builder for ReplicationPeerConfig and make it immutable
[HBASE-19590] - Remove the duplicate code in deprecated ReplicationAdmin
[HBASE-19613] - Miscellaneous changes to WALSplitter
[HBASE-19615] - CompositeImmutableSegment ArrayList Instead of LinkedList
[HBASE-19618] - Remove replicationQueuesClient.class/replicationQueues.class config and remove table based ReplicationQueuesClient/ReplicationQueues implementation
[HBASE-19621] - Revisit the methods in ReplicationPeerConfigBuilder
[HBASE-19641] - AsyncHBaseAdmin should use exponential backoff when polling the procedure result
[HBASE-19647] - Logging cleanups; emit regionname when RegionTooBusyException inside RetriesExhausted... make netty connect/disconnect TRACE-level
[HBASE-19649] - Use singleton feature for ImmutableSegment
[HBASE-19651] - Remove LimitInputStream
[HBASE-19659] - Enable -x in make_rc.sh so logs where it is in execution
[HBASE-19675] - Miscellaneous HStore Class Improvements
[HBASE-19676] - CleanerChore logging improvements
[HBASE-19677] - Miscellaneous HFileCleaner Improvements
[HBASE-19679] - Superusers Logging and Data Structures
[HBASE-19680] - BufferedMutatorImpl#mutate should wait the result from AP in order to throw the failed mutations
[HBASE-19683] - Remove Superfluous Methods From String Class
[HBASE-19684] - BlockCacheKey toString Performance
[HBASE-19702] - Improve RSGroupInfo constructors
[HBASE-19723] - hbase-thrift declares slf4j-api twice
[HBASE-19736] - Remove BaseLogCleanerDelegate deprecated #isLogDeletable(FileStatus) and use #isFileDeletable(FileStatus) instead
[HBASE-19739] - Include thrift IDL files in HBase binary distribution
[HBASE-19751] - Use RegionInfo directly instead of an identifier and a namespace when getting WAL
[HBASE-19758] - Split TestHCM to several smaller tests
[HBASE-19770] - Add '--return-values' option to Shell to print return values of commands in interactive mode
[HBASE-19789] - Not exclude flaky tests from nightly builds
[HBASE-19820] - Restore public constructor of MiniHBaseCluster (API compat)
[HBASE-19823] - Make RawCellBuilderFactory LimitedPrivate.UNITTEST
[HBASE-19826] - Provide a option to see rows behind a delete in a time range queries
[HBASE-19861] - Avoid using RPCs when querying table infos for master status pages
[HBASE-19899] - Dump ulimit -a, fd count, and free output at end of build into system dir
[HBASE-19904] - Break dependency of WAL constructor on Replication
[HBASE-19912] - The flag "writeToWAL" of Region#checkAndRowMutate is useless
[HBASE-19915] - From split/ merge procedures daughter/ merged regions get created in OFFLINE state
[HBASE-19917] - Improve RSGroupBasedLoadBalancer#filterServers() to be more efficient
[HBASE-19988] - HRegion#lockRowsAndBuildMiniBatch() is too chatty when interrupted while waiting for a row lock
[HBASE-19994] - Create a new class for RPC throttling exception, make it retryable.
[HBASE-20055] - Remove declaration of un-thrown exceptions and unused setRegionStateBackToOpen() from MergeTableRegionsProcedure
[HBASE-20065] - Revisit the timestamp usage in MetaTableAccessor
[HBASE-20135] - NullPointerException during reading bloom filter when upgraded from hbase-1 to hbase-2
[HBASE-20409] - Set hbase.client.meta.operation.timeout in TestClientOperationTimeout
[HBASE-20438] - Add an HBase antipattern check for reintroducing commons-logging
[HBASE-20459] - Majority of scan CPU time in HBase-1 spent in size estimation

Test

[HBASE-4744] - Remove @Ignore for testLogRollAfterSplitStart
[HBASE-11039] - [VisibilityController] Integration test for labeled data set mixing and filtered excise
[HBASE-11461] - Compilation errors are not posted back to JIRA during QA run
[HBASE-11616] - TestNamespaceUpgrade fails in trunk
[HBASE-11673] - TestIOFencing#testFencingAroundCompactionAfterWALSync fails
[HBASE-11866] - TestDistributedLogSplitting is flaky
[HBASE-11867] - TestSplitLogManager.testUnassignedTimeout is flaky
[HBASE-12764] - TestPerColumnFamilyFlush#testCompareStoreFileCount may fail due to new table not available
[HBASE-12992] - TestChoreService doesn't close services, that can break test on slow virtual hosts.
[HBASE-13106] - Ensure endpoint-only table coprocessors can be dynamically loaded
[HBASE-13179] - TestMasterObserver deleteTable is flaky
[HBASE-13182] - Test NamespaceAuditor/AccessController create/delete table is flaky
[HBASE-13280] - TestSecureRPC failed
[HBASE-13372] - Unit tests for SplitTransaction and RegionMergeTransaction listeners
[HBASE-13413] - Create an integration test for Replication
[HBASE-13591] - TestHBaseFsck is flakey
[HBASE-13609] - TestFastFail is still failing
[HBASE-13940] - IntegrationTestBulkLoad needs option to specify output folders used by test
[HBASE-14197] - TestRegionServerHostname#testInvalidRegionServerHostnameAbortsServer fails in Jenkins
[HBASE-14200] - Separate RegionReplica subtests of TestStochasticLoadBalancer into TestStochasticLoadBalancer2
[HBASE-14210] - Create test for cell level ACLs involving user group
[HBASE-14277] - TestRegionServerHostname.testRegionServerHostname may fail at host with a case sensitive name
[HBASE-14293] - TestStochasticBalancerJmxMetrics intermittently fails due to port conflict
[HBASE-14310] - test-patch.sh should handle spurious non-zero exit code from maven
[HBASE-14344] - Add timeouts to TestHttpServerLifecycle
[HBASE-14466] - Remove duplicated code from MOB snapshot tests
[HBASE-14584] - TestNamespacesInstanceModel fails on jdk8
[HBASE-14688] - Cleanup MOB tests
[HBASE-14728] - TestRowCounter is broken in master
[HBASE-14758] - Add UT case for unchecked error/exception thrown in AsyncProcess#sendMultiAction
[HBASE-15192] - TestRegionMergeTransactionOnCluster#testCleanMergeReference is flaky
[HBASE-15420] - TestCacheConfig failed after HBASE-15338
[HBASE-15679] - Assertion on wrong variable in TestReplicationThrottler#testThrottling
[HBASE-15760] - TestBlockEvictionFromClient#testParallelGetsAndScanWithWrappedRegionScanner fails in master branch
[HBASE-15923] - Shell rows counter test fails
[HBASE-15939] - Two shell test failures on master
[HBASE-16049] - TestRowProcessorEndpoint is failing on Apache Builds
[HBASE-16051] - TestScannerHeartbeatMessages fails on some machines
[HBASE-16185] - TestReplicationSmallTests fails in master branch
[HBASE-16274] - Add more peer tests to replication_admin_test
[HBASE-16349] - TestClusterId may hang during cluster shutdown
[HBASE-16418] - Reduce duration of sleep waiting for region reopen in IntegrationTestBulkLoad#installSlowingCoproc()
[HBASE-16634] - Speedup TestExportSnapshot
[HBASE-16639] - TestProcedureInMemoryChore#testChoreAddAndRemove occasionally fails
[HBASE-16671] - Split TestExportSnapshot
[HBASE-16725] - Don't let flushThread hang in TestHRegion
[HBASE-16776] - Remove duplicated versions of countRow() in tests
[HBASE-16777] - Fix flaky TestMasterProcedureEvents
[HBASE-16778] - Move testIllegalTableDescriptor out from TestFromClientSide
[HBASE-16781] - Fix flaky TestMasterProcedureWalLease
[HBASE-16791] - Fix TestDispatchMergingRegionsProcedure
[HBASE-16794] - TestDispatchMergingRegionsProcedure#testMergeRegionsConcurrently is flaky
[HBASE-16975] - Disable two subtests of TestSerialReplication
[HBASE-17080] - rest.TestTableResource fails in master branch
[HBASE-17120] - TestAssignmentListener#testAssignmentListener fails
[HBASE-17189] - TestMasterObserver#wasModifyTableActionCalled uses wrong variables
[HBASE-17246] - TestSerialReplication#testRegionMerge fails in master branch
[HBASE-17371] - Enhance 'HBaseContextSuite @ distributedScan to test HBase client' with filter
[HBASE-17474] - Reduce frequency of NoSuchMethodException when calling setStoragePolicy()
[HBASE-17628] - Local mode of mini cluster shouldn't use hdfs
[HBASE-17657] - TestZKAsyncRegistry is flaky
[HBASE-17672] - "Grant should set access rights appropriately" test fails
[HBASE-17703] - TestThriftServerCmdLine is flaky in master branch
[HBASE-17806] - TestRSGroups#testMoveServersAndTables is flaky in master branch
[HBASE-17824] - Add test for multiple RS per host support
[HBASE-18147] - nightly job to check health of active branches
[HBASE-18632] - TestMultiParallel#testFlushCommitsWithAbort fails in master branch
[HBASE-18902] - TestCoprocessorServiceBackwardCompatibility fails
[HBASE-19026] - TestLockProcedure#testRemoteNamespaceLockRecovery fails in master
[HBASE-19237] - TestMaster.testMasterOpsWhileSplitting fails
[HBASE-19248] - TestZooKeeper#testMultipleZK fails due to missing method getKeepAliveZooKeeperWatcher
[HBASE-19266] - TestAcidGuarantees should cover adaptive in-memory compaction
[HBASE-19273] - IntegrationTestBulkLoad#installSlowingCoproc() uses read-only HTableDescriptor
[HBASE-19288] - Intermittent test failure in TestHStore.testRunDoubleMemStoreCompactors
[HBASE-19289] - CommonFSUtils$StreamLacksCapabilityException: hflush when running test against hadoop3 beta1
[HBASE-19299] - Assert only one Connection is constructed when calculating splits in a MultiTableInputFormat
[HBASE-19342] - fix TestTableBasedReplicationSourceManagerImpl#testRemovePeerMetricsCleanup
[HBASE-19514] - Use random port for TestJMXListener
[HBASE-19832] - TestConfServlet#testWriteJson fails against hadoop3 due to spelling change
[HBASE-19869] - Wrong class name used in TestLockManager
[HBASE-19949] - TestRSGroupsWithACL fails with ExceptionInInitializerError
[HBASE-20031] - Unable to run integration test using mvn due to missing HBaseClassTestRule
[HBASE-20052] - TestRegionOpen#testNonExistentRegionReplica fails due to NPE
[HBASE-20107] - Add a test case for HBASE-14317
[HBASE-20228] - [Umbrella] Verify 1.2.7 shell works against 2.0.0 server
[HBASE-20272] - TestAsyncTable#testCheckAndMutateWithTimeRange fails due to TableExistsException

Wish

[HBASE-16145] - MultiRowRangeFilter constructor shouldn't throw IOException
[HBASE-16729] - Define the behavior of (default) empty FilterList

Task

[HBASE-4368] - Expose processlist in shell (per regionserver and perhaps by cluster)
[HBASE-4593] - Design and document the official procedure for posting patches, commits, commit messages, etc. to smooth process and make integration with tools easier
[HBASE-7126] - Update website with info on how to report security bugs
[HBASE-8450] - Update hbase-default.xml and general recommendations to better suit current hw, h2, experience, etc.
[HBASE-9604] - Add metric on short-circuit reads
[HBASE-10398] - HBase book updates for Replication after HBASE-10322
[HBASE-10504] - Define Replication Interface
[HBASE-10607] - [JDK8] NoSuchMethodError involving ConcurrentHashMap.keySet if running on JRE 7
[HBASE-11045] - Replace deprecated method FileSystem#createNonRecursive
[HBASE-11276] - Add back support for running ChaosMonkey as standalone tool
[HBASE-11459] - Add more doc on compression codecs, how to hook up native lib, lz4, etc.
[HBASE-11606] - Enable ZK-less region assignment by default
[HBASE-11619] - Remove unused test class from TestHLogSplit
[HBASE-11670] - Build PDF of Ref Guide
[HBASE-11677] - Make Logger instance modifiers consistent
[HBASE-11720] - Set up jenkins job to build site documentation
[HBASE-11729] - Document HFile v3
[HBASE-11741] - Document the how users can use the Cell Visibility and authorizations with special characters
[HBASE-11791] - Update docs on visibility tags and ACLs, transparent encryption, secure bulk upload
[HBASE-11961] - Document region state transitions
[HBASE-11985] - Document sizing rules of thumb
[HBASE-12168] - Document Rest gateway SPNEGO-based authentication for client
[HBASE-12180] - Fix and reenable TestRegionReplicaReplicationEndpoint
[HBASE-12239] - Document hedged reads
[HBASE-12362] - Interim documentation of important master and regionserver metrics
[HBASE-12438] - Add -Dsurefire.rerunFailingTestsCount=2 to patch build runs so flakies get rerun
[HBASE-12466] - Document visibility scan label generator usage and behavior
[HBASE-12515] - update test-patch to use git
[HBASE-12586] - Task 6 & 7 from HBASE-9117, delete all public HTable constructors and delete ConnectionManager#{delete,get}Connection
[HBASE-12589] - Forward-port fix for TestFromClientSideWithCoprocessor.testMaxKeyValueSize
[HBASE-12623] - Remove pre-0.96 to 0.96 upgrade code
[HBASE-12701] - Document how to set the split policy on a given table
[HBASE-12783] - Create efficient RegionLocator implementation
[HBASE-12785] - Use FutureTask to timeout the attempt to get the lock for hbck
[HBASE-12794] - Guidelines for filing JIRA issues
[HBASE-12995] - Document that HConnection#getTable methods do not check table existence since 0.98.1
[HBASE-13074] - Cleaned up usage of hbase.master.lease.thread.wakefrequency
[HBASE-13079] - Add an admonition to Scans example that the results scanner should be closed
[HBASE-13089] - Fix test compilation error on building against htrace-3.2.0-incubating
[HBASE-13177] - Document HBASE-13012
[HBASE-13187] - Add ITBLL that exercises per CF flush
[HBASE-13233] - add hbase-11339 branch to the patch testing script
[HBASE-13234] - Improve the obviousness of the download link on hbase.apache.org
[HBASE-13237] - Improve trademark marks on the hbase.apache.org homepage
[HBASE-13257] - Show coverage report on jenkins
[HBASE-13310] - Fix high priority findbugs warnings
[HBASE-13361] - Remove or undeprecate {get|set}ScannerCaching in HTable
[HBASE-13373] - Squash HFileReaderV3 together with HFileReaderV2 and AbstractHFileReader; ditto for Scanners and BlockReader, etc.
[HBASE-13446] - Add docs warning about missing data for downstream on versions prior to HBASE-13262
[HBASE-13487] - Doc KEEP_DELETED_CELLS
[HBASE-13554] - Update book clarifying API stability guarantees
[HBASE-13582] - Update docs for HTrace
[HBASE-13586] - Update book on Hadoop and Java supported versions for 1.1.x
[HBASE-13660] - Add link to cloud bigtable schema modeling guide into our refguide
[HBASE-13666] - book.pdf is not renamed during site build
[HBASE-13713] - See about dropping ClassLoaderBase#getClassLoadingLock
[HBASE-13716] - Stop using Hadoop's FSConstants
[HBASE-13726] - stop using Hadoop's IOUtils
[HBASE-13799] - javadoc how Scan gets polluted when used; if you set attributes or ask for scan metrics
[HBASE-13867] - Add endpoint coprocessor guide to HBase book
[HBASE-13868] - Correct "Disable automatic splitting" section in HBase book
[HBASE-13869] - Fix typo in HBase book
[HBASE-13915] - Remove EOL HBase versions from java and hadoop prereq tables
[HBASE-13929] - make_rc.sh publishes empty shaded artifacts
[HBASE-13948] - Expand hadoop2 versions built on the pre-commit
[HBASE-13949] - Expand hadoop2 versions built on the pre-commit
[HBASE-13956] - Add myself as 1.1 release manager
[HBASE-13964] - Skip region normalization for tables under namespace quota
[HBASE-14026] - Clarify "Web API" in version and compatibility docs
[HBASE-14031] - HBase Backup/Restore Phase 1: Abstract DistCp in incremental backup
[HBASE-14033] - HBase Backup/Restore Phase1: Abstract WALPlayer (incremental restore)
[HBASE-14036] - HBase Backup/Restore Phase 1: Custom WAL archive cleaner
[HBASE-14052] - Mark a few methods in CellUtil audience private since only make sense internally to hbase
[HBASE-14053] - Disable DLR in branch-1+
[HBASE-14057] - HBase shell user_permission should list super users defined on hbase-site.xml
[HBASE-14071] - Document troubleshooting unexpected filesystem usage by snapshots and WALs
[HBASE-14081] - (outdated) references to SVN/trunk in documentation
[HBASE-14085] - Correct LICENSE and NOTICE files in artifacts
[HBASE-14091] - Update site documentation with code of conduct and project policy for transgressions
[HBASE-14175] - Adopt releasedocmaker for better generated release notes
[HBASE-14227] - Fold special cased MOB APIs into existing APIs
[HBASE-14253] - update docs + build for maven 3.0.4+
[HBASE-14271] - Improve Nexus staging instructions
[HBASE-14288] - Upgrade asciidoctor plugin to v1.5.2.1
[HBASE-14290] - Spin up less threads in tests
[HBASE-14308] - HTableDescriptor WARN is not actionable
[HBASE-14318] - make_rc.sh should purge/re-resolve dependencies from local repository
[HBASE-14348] - Update download mirror link
[HBASE-14350] - Procedure V2 Phase 2: Assignment Manager
[HBASE-14361] - ReplicationSink should create Connection instances lazily
[HBASE-14424] - Document that DisabledRegionSplitPolicy blocks manual splits
[HBASE-14481] - Decommission HBase wiki
[HBASE-14482] - Add hadoop 2.6.1 to the test-patch build list
[HBASE-14493] - Upgrade the jamon-runtime dependency
[HBASE-14502] - Purge use of jmock and remove as dependency
[HBASE-14516] - categorize hadoop-compat tests
[HBASE-14526] - Remove delayed rpc
[HBASE-14534] - Bump yammer/coda/dropwizard metrics dependency version
[HBASE-14635] - Fix flaky test TestSnapshotCloneIndependence
[HBASE-14652] - Improve / update publish-website script in dev-support
[HBASE-14678] - Experiment: Temporarily disable balancer and a few others to see if root of crashed/timedout JVMs
[HBASE-14713] - Remove simple deprecated-since-1.0 code in hbase-server from hbase 2.0
[HBASE-14732] - Update HBase website skin and CSS
[HBASE-14762] - Update docs about publishing website to show gitsubpub method instead of svnsubpub
[HBASE-14764] - Stop using post-site target
[HBASE-14851] - Add test showing how to use TTL from thrift
[HBASE-14994] - Clean up some broken links and references to old APIs
[HBASE-15003] - Remove BoundedConcurrentLinkedQueue and associated test
[HBASE-15007] - update Hadoop support matrix to list 2.6.1+ as supported
[HBASE-15017] - Close out GitHub pull requests that aren't likely to update into a usable patch
[HBASE-15042] - refactor so that site materials are in the Standard Maven Place
[HBASE-15099] - Move RegionStateListener class out of quotas package
[HBASE-15141] - Procedure V2 - Web UI
[HBASE-15151] - Rely on nightly tests for findbugs compliance on existing branch
[HBASE-15199] - Move jruby jar so only on hbase-shell module classpath; currently globally available
[HBASE-15220] - Change two logs in SimpleRegionNormalizer to INFO level
[HBASE-15494] - Close obviated PRs on github
[HBASE-15502] - Skeleton unit test to copy/paste
[HBASE-15644] - Add maven-scala-plugin for scaladoc
[HBASE-15646] - Add some docs about exporting and importing snapshots using S3
[HBASE-15656] - Fix unused protobuf warning in Admin.proto
[HBASE-15729] - Remove old JDiff wrapper scripts in dev-support
[HBASE-15888] - Extend HBASE-12769 for bulk load data replication
[HBASE-15895] - remove unmaintained jenkins build analysis tool.
[HBASE-15989] - Remove hbase.online.schema.update.enable
[HBASE-16073] - update compatibility_checker for jacc dropping comma sep args
[HBASE-16100] - Procedure V2 - Tools
[HBASE-16215] - clean up references for EOM release lines
[HBASE-16260] - Audit dependencies for Category-X
[HBASE-16332] - update LMAX disruptor to latest
[HBASE-16333] - update commons-* to latest
[HBASE-16335] - update to latest apache parent pom
[HBASE-16338] - update jackson to 2.y
[HBASE-16340] - ensure no Xerces jars included
[HBASE-16354] - Clean up defunct GitHub PRs
[HBASE-16376] - Document implicit side-effects on partial results when calling Scan#setBatch(int)
[HBASE-16413] - Add apache-hbase.slack.com #users channel to ref guide
[HBASE-16426] - Remove company affiliations from committer list
[HBASE-16459] - Remove unused hbase shell --format option
[HBASE-16467] - Move AbstractHBaseTool to hbase-common
[HBASE-16518] - Remove old .arcconfig file
[HBASE-16591] - Add a docker file only contains java 8 for running pre commit on master
[HBASE-16710] - Add ZStandard Codec to Compression.java
[HBASE-16728] - Add hadoop.profile=3.0 pass to precommit checks.
[HBASE-16811] - Remove mob sweep job
[HBASE-16812] - Clean up the locks in MOB
[HBASE-16869] - Typo in "Disabling Blockcache" doc
[HBASE-16952] - Replace hadoop-maven-plugins with protobuf-maven-plugin for building protos
[HBASE-16955] - Fixup precommit protoc check to do new distributed protos and pb 3.1.0 build
[HBASE-17046] - Add 1.1 doc to hbase.apache.org
[HBASE-17121] - Undo the building of xref as part of site build
[HBASE-17272] - Doc how to run Standalone HBase over an HDFS instance; all daemons in one JVM but persisting to an HDFS instance
[HBASE-17397] - AggregationClient cleanup
[HBASE-17401] - Remove unnecessary semicolons in hbase-annotations
[HBASE-17502] - Document hadoop pre-2.6.1 and Java 1.8 Kerberos problem in our hadoop support matrix
[HBASE-17553] - Make a 2.0.0 Release
[HBASE-17609] - Allow for region merging in the UI
[HBASE-17614] - Move Backup/Restore into separate module
[HBASE-17618] - Refactor the implementation of modify table and delete column in MOB
[HBASE-17782] - Extend IdReadWriteLock to support using both weak and soft reference
[HBASE-17802] - Add note that minor versions can add methods to Interfaces
[HBASE-17828] - Revisit the IS annotation and the documentation
[HBASE-17834] - close stale github PRs
[HBASE-17847] - update documentation to include positions on recent Hadoop releases
[HBASE-17898] - Update dependencies
[HBASE-17954] - Switch findbugs implementation to spotbugs
[HBASE-17965] - Canary tool should print the regionserver name on failure
[HBASE-17967] - clean up documentation references to -ROOT- table.
[HBASE-17968] - Update copyright year in NOTICE file
[HBASE-17972] - Remove mergePool from CompactSplitThread
[HBASE-18096] - Limit HFileUtil visibility and add missing annotations
[HBASE-18187] - Release hbase-2.0.0-alpha1
[HBASE-18257] - Cover exposed guava Service Interface in ReplicationEndpoint
[HBASE-18258] - Take down hbasecon2017 logo from hbase.apache.org and put up hbaseconasia2017 instead.
[HBASE-18284] - Update hbasecon asia logo on home page of hbase.apache.org
[HBASE-18288] - Declared dependency on specific javax.ws.rs
[HBASE-18291] - Regenerate thrift2 python examples
[HBASE-18344] - Introduce Append.addColumn as a replacement for Append.add
[HBASE-18364] - Downgrade surefire
[HBASE-18384] - Add link to refguide schema section on apache blog on hbase application archetypes
[HBASE-18421] - update hadoop prerequisites docs to call out 2.8.1
[HBASE-18465] - [AMv2] remove old split region code that is no longer needed
[HBASE-18511] - Default no regions on master
[HBASE-18514] - Backport space quota "phase2" work to branch-2
[HBASE-18515] - Introduce Delete.add as a replacement for Delete#addDeleteMarker
[HBASE-18518] - Remove jersey1* dependencies from project and jersey1* jars from lib dir
[HBASE-18527] - update nightly builds to compensate for jenkins plugin upgrades
[HBASE-18544] - Move the HRegion#addRegionToMETA to TestDefaultMemStore
[HBASE-18582] - Correct the docs for Mutation#setCellVisibility
[HBASE-18588] - Verify we're using netty .so epolling on linux post HBASE-18271
[HBASE-18594] - Release hbase-2.0.0-alpha2
[HBASE-18596] - [TEST] A hbase1 cluster should be able to replicate to a hbase2 cluster; verify
[HBASE-18611] - Copy all tests from o.a.h.h.p.TestProtobufUtil to o.a.h.h.s.p.TestProtobufUtil
[HBASE-18623] - Frequent failed to parse at EOF warnings from WALEntryStream
[HBASE-18630] - Prune dependencies; as is branch-2 has duplicates
[HBASE-18653] - Undo hbase2 check against < hadoop2.6.x; i.e. implement agreed drop of hadoop 2.4 and 2.5 support in hbase2
[HBASE-18660] - Remove duplicate code from the checkAndPut method in HTable
[HBASE-18670] - Add .DS_Store to .gitignore
[HBASE-18695] - Remove HTablePool
[HBASE-18705] - bin/hbase does not find cached_classpath.txt
[HBASE-18710] - Move on to hbase-thirdparty 1.0.1 (it was just released).
[HBASE-18766] - Make TableSnapshotScanner Audience Private
[HBASE-18767] - Release hbase-2.0.0-alpha-3; Theme "Scrubbed API"
[HBASE-18768] - Move TestTableName to hbase-common from hbase-server
[HBASE-18782] - Module untangling work
[HBASE-18783] - Declare the builder of ClusterStatus as IA.Private, and remove the Writables from ClusterStatus
[HBASE-18792] - hbase-2 needs to defend against hbck operations
[HBASE-18817] - Pull hbase-spark module out of branch-2
[HBASE-18833] - Ensure precommit personality is up to date on all active branches
[HBASE-18835] - The return type of ExtendedCell#deepClone should be ExtendedCell rather than Cell
[HBASE-18877] - Move Type out of KeyValue to Cell
[HBASE-18882] - [TEST] Run MR branch-1 jobs against hbase2 cluster
[HBASE-18897] - Substitute MemStore for Memstore
[HBASE-18927] - Add the DataType which is subset of KeyValue#Type to CellBuilder for building cell
[HBASE-18970] - The version of jruby we use now can't get interactive input from prompt
[HBASE-18988] - Add release managers to reference guide
[HBASE-18991] - Remove RegionMergeRequest
[HBASE-19007] - Align Services Interfaces in Master and RegionServer
[HBASE-19043] - Purge TableWrapper and CoprocessorHConnnection
[HBASE-19049] - Update kerby to 1.0.1 GA release
[HBASE-19050] - Improve javadoc of Scan#setMvccReadPoint
[HBASE-19097] - update testing to use Apache Yetus Test Patch version 0.6.0
[HBASE-19123] - Purge 'complete' support from Coprocesor Observers
[HBASE-19158] - Ref guide needs upgrade update
[HBASE-19176] - Remove hbase-native-client from branch-2
[HBASE-19179] - Remove hbase-prefix-tree
[HBASE-19200] - make hbase-client only depend on ZKAsyncRegistry and ZNodePaths
[HBASE-19217] - Update supplemental-models.xml for jetty-sslengine
[HBASE-19224] - LICENSE failure for Hadoop 3.1 on dnsjava
[HBASE-19241] - Improve javadoc for AsyncAdmin and cleanup warnings for the implementation classes
[HBASE-19267] - Eclipse project import issues on 2.0
[HBASE-19298] - CellScanner and CellScannable should be declared as IA.Public
[HBASE-19323] - Make netty engine default in hbase2
[HBASE-19328] - Remove asked if splittable log messages
[HBASE-19404] - Fix DisabledWALProvider
[HBASE-19407] - [branch-2] Remove backup/restore
[HBASE-19408] - Remove WALActionsListener.Base
[HBASE-19410] - Move zookeeper related UTs to hbase-zookeeper and mark them as ZKTests
[HBASE-19416] - Document dynamic configurations currently support
[HBASE-19477] - Move and align documentation in hbase-annotations
[HBASE-19485] - Minor improvement to TestCompactedHFilesDischarger
[HBASE-19512] - Move EventType and ExecutorType from hbase-client to hbase-server
[HBASE-19526] - Update hadoop version to 3.0 GA
[HBASE-19548] - Backport the missed doc fix from master to branch-2
[HBASE-19550] - Wrap the cell passed via Mutation#add(Cell) to be of ExtendedCell
[HBASE-19552] - update hbase to use new thirdparty libs
[HBASE-19596] - RegionMetrics/ServerMetrics/ClusterMetrics should apply to all public classes
[HBASE-19620] - Add UT to confirm the race in MasterRpcServices.getProcedureResult
[HBASE-19637] - Add .checkstyle to gitignore
[HBASE-19644] - add the checkstyle rule to reject the illegal imports
[HBASE-19652] - Turn down CleanerChore logging; too chatty
[HBASE-19657] - Reenable TestAssignmentManagerMetrics for beta-2
[HBASE-19720] - Rename WALKey#getTabnename to WALKey#getTableName
[HBASE-19922] - ProtobufUtils::PRIMITIVES is unused
[HBASE-19946] - TestPerColumnFamilyFlush and TestWalAndCompactingMemStoreFlush fail against h3
[HBASE-19947] - MR jobs using ITU use wrong filesystem
[HBASE-19963] - TestFSHDFSUtils assumes wrong default port for Hadoop 3.0.1+
[HBASE-20072] - remove 1.1 release line from the prerequisite tables
[HBASE-20075] - remove logic for branch-1.1 nightly testing
[HBASE-20084] - Refactor the RSRpcServices#doBatchOp
[HBASE-20089] - make_rc.sh should name SHA-512 checksum files with the extension .sha512
[HBASE-20092] - Fix TestRegionMetrics#testRegionMetrics
[HBASE-20093] - Replace ServerLoad by ServerMetrics for ServerManager
[HBASE-20097] - Merge TableDescriptors#getAll and TableDescriptors#getAllDescriptors into one
[HBASE-20119] - Introduce a pojo class to carry coprocessor information in order to make TableDescriptorBuilder accept multiple cp at once
[HBASE-20132] - Change the "KV" to "Cell" for web UI
[HBASE-20171] - Remove o.a.h.h.ProcedureState
[HBASE-20199] - Add test to prevent further permission regression around table flush and snapshot
[HBASE-20212] - Make all Public classes have InterfaceAudience category
[HBASE-20223] - Use hbase-thirdparty 2.1.0
[HBASE-20246] - Remove the spark module
[HBASE-20299] - Update MOB in hbase refguide
[HBASE-20365] - start branch-2.0 specific website section
[HBASE-20386] - [DOC] Align WALPlayer help text and refguide
[HBASE-20441] - Use checkstyle to ban imports from commons-lang 2
[HBASE-20443] - Use checkstyle to ban imports from commons-collections 3

Brainstorming

[HBASE-8770] - deletes and puts with the same ts should be resolved according to mvcc/seqNum
[HBASE-12859] - New master API to track major compaction completion
[HBASE-14869] - Better request latency and size histograms

Umbrella

[HBASE-6581] - Build with hadoop.profile=3.0
[HBASE-7320] - Remove KeyValue.getBuffer()
[HBASE-7781] - Update security unit tests to use a KDC if available
[HBASE-10403] - Simplify offheap cache configuration
[HBASE-10462] - Recategorize some of the client facing Public / Private interfaces
[HBASE-11339] - HBase MOB
[HBASE-11425] - Cell/DBB end-to-end on the read-path
[HBASE-11871] - Avoid usage of KeyValueUtil#ensureKeyValue
[HBASE-13747] - Promote Java 8 to "yes" in support matrix
[HBASE-14420] - Zombie Stomping Session
[HBASE-14457] - Umbrella: Improve Multiple WAL for production usage
[HBASE-14460] - [Perf Regression] Merge of MVCC and SequenceId (HBASE-8763) slowed Increments, CheckAndPuts, batch operations
[HBASE-15086] - Fix findbugs complaint so yetus reports more green
[HBASE-15179] - Cell/DBB end-to-end on the write-path
[HBASE-16432] - Revisit the asynchronous ipc implementation
[HBASE-16567] - Upgrade to protobuf-3.1.x
[HBASE-16617] - Procedure V2 - Improvements
[HBASE-16833] - Implement asynchronous hbase client based on HBASE-15921
[HBASE-17143] - Scan improvement
[HBASE-17359] - Implement async admin
[HBASE-18037] - Do not expose implementation classes to CP
[HBASE-18110] - [AMv2] Reenable tests temporarily disabled
[HBASE-18266] - Eliminate the warnings from the spotbugs
[HBASE-18410] - FilterList Improvement.
[HBASE-18429] - ITs attempt to modify immutable table/column descriptors
[HBASE-18501] - Use TableDescriptor and ColumnFamilyDescriptor as far as possible
[HBASE-18696] - Fix the problems when introducing the new hbase-mapreduce module
[HBASE-18703] - Inconsistent behavior for preBatchMutate in doMiniBatchMutate and processRowsWithLocks
[HBASE-18751] - Revisit the TimeRange and TimeRangeTracker
[HBASE-18805] - Unify Admin and AsyncAdmin
[HBASE-18926] - Cleanup Optional<T> from method params
[HBASE-18978] - Align the methods in Table and AsyncTable
[HBASE-19296] - Fix findbugs and error-prone warnings (branch-2)
[HBASE-19425] - Align the methods in Put/Delete/Increment/Append
[HBASE-19627] - Stabilize the method signature for Cell and its impl
[HBASE-19948] - Since HBASE-19873, HBaseClassTestRule, Small/Medium/Large has different semantic
[HBASE-19976] - Dead lock if the worker threads in procedure executor are exhausted
[HBASE-20067] - Clean up findbugs warnings
[HBASE-20179] - [TESTING] Scale for 2.0.0

Edit/Copy Release Notes

The text area below allows the project release notes to be edited and copied to another document.

Release Notes - HBase - Version 2.0.0
    
<h2>        Sub-task
</h2>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-4624'>HBASE-4624</a>] -         Remove and convert @deprecated RemoteExceptionHandler.decodeRemoteException calls
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-4625'>HBASE-4625</a>] -         Convert @deprecated HBaseTestCase tests  JUnit4 style tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-7612'>HBASE-7612</a>] -         [JDK8] Replace use of high-scale-lib counters with intrinsic facilities
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-7767'>HBASE-7767</a>] -         Get rid of ZKTable, and table enable/disable state in ZK 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-7847'>HBASE-7847</a>] -         Use zookeeper multi to clear znodes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-8139'>HBASE-8139</a>] -         Allow job names to be overridden
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-8410'>HBASE-8410</a>] -         Basic quota support for namespaces
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-8593'>HBASE-8593</a>] -         Type support in ImportTSV tool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-10092'>HBASE-10092</a>] -         Move to slf4j
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-10378'>HBASE-10378</a>] -         Divide HLog interface into User and Implementor specific interfaces
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-10588'>HBASE-10588</a>] -         Remove deprecated public facing classes/methods related to KeyValue
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-10674'>HBASE-10674</a>] -         HBCK should be updated to do replica related checks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-10800'>HBASE-10800</a>] -         Use CellComparator instead of KVComparator
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-10942'>HBASE-10942</a>] -         support parallel request cancellation for multi-get
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-10944'>HBASE-10944</a>] -         Remove all kv.getBuffer() and kv.getRow() references existing in the code
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11179'>HBASE-11179</a>] -         API parity between mapred and mapreduce
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11261'>HBASE-11261</a>] -         Handle splitting/merging of regions that have region_replication greater than one
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11392'>HBASE-11392</a>] -         add/remove peer requests should be routed through master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11393'>HBASE-11393</a>] -         Replication TableCfs should be a PB object rather than a string
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11470'>HBASE-11470</a>] -         Move Server interface to hbase-server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11472'>HBASE-11472</a>] -         Remove ZKTableStateClientSideReader class
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11533'>HBASE-11533</a>] -         AsciiDoctor POC
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11567'>HBASE-11567</a>] -         Write bulk load COMMIT events to WAL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11568'>HBASE-11568</a>] -         Async WAL replication for region replicas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11569'>HBASE-11569</a>] -         Flush / Compaction handling from secondary region replicas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11571'>HBASE-11571</a>] -         Bulk load handling from secondary region replicas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11574'>HBASE-11574</a>] -         hbase:meta&#39;s regions can be replicated
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11580'>HBASE-11580</a>] -         Failover handling for secondary region replicas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11598'>HBASE-11598</a>] -         Add simple rpc throttling
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11607'>HBASE-11607</a>] -         Document HBase metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11643'>HBASE-11643</a>] -         Read and write MOB in HBase
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11644'>HBASE-11644</a>] -         External MOB compaction tools
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11645'>HBASE-11645</a>] -         Snapshot for MOB
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11646'>HBASE-11646</a>] -         Handle the MOB in compaction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11647'>HBASE-11647</a>] -         MOB integration testing
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11683'>HBASE-11683</a>] -         Metrics for MOB
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11779'>HBASE-11779</a>] -         Document the new requirement to set JAVA_HOME before starting HBase
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11786'>HBASE-11786</a>] -         Document web UI for tracking time spent in coprocessors
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11842'>HBASE-11842</a>] -         Integration test for async wal replication to secondary regions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11861'>HBASE-11861</a>] -         Native MOB Compaction mechanisms.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11901'>HBASE-11901</a>] -         Improve the value size of the reference cell in mob column
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11903'>HBASE-11903</a>] -         Directly invoking split &amp; merge of replica regions should be disallowed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11908'>HBASE-11908</a>] -         Region replicas should be added to the meta table at the time of table creation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11910'>HBASE-11910</a>] -         Document Premptive Call Me Maybe HBase findings in the online manual
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11911'>HBASE-11911</a>] -         Break up tests into more fine grained categories
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11912'>HBASE-11912</a>] -         Catch some bad practices at compile time with error-prone
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11975'>HBASE-11975</a>] -         Remove the explicit list of maven repositories in pom.xml
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11986'>HBASE-11986</a>] -         Document MOB in Ref Guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12000'>HBASE-12000</a>] -         isMob and mobThreshold do not follow column descriptor property naming conventions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12012'>HBASE-12012</a>] -         Improve cancellation for the scan RPCs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12015'>HBASE-12015</a>] -         Not cleaning Mob data when Mob CF is removed from table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12048'>HBASE-12048</a>] -         Remove deprecated APIs from Filter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12066'>HBASE-12066</a>] -         Avoid major compaction in TestMobSweeper
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12080'>HBASE-12080</a>] -         Shorten the run time of integration test by default when using mvn failsafe:integration-test
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12084'>HBASE-12084</a>] -         Remove deprecated APIs from Result
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12085'>HBASE-12085</a>] -         mob status should print human readable numbers.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12093'>HBASE-12093</a>] -         Support the mob attributes in hbase shell when create/alter table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12094'>HBASE-12094</a>] -         Clean the code after adding IS_MOB and MOB_THRESHOLD to column family
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12111'>HBASE-12111</a>] -         Remove deprecated APIs from Mutation(s)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12148'>HBASE-12148</a>] -         Remove TimeRangeTracker as point of contention when many threads writing a Store
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12260'>HBASE-12260</a>] -         MasterServices needs a short-back-and-sides; pare-back exposure of internals and IA.Private classes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12295'>HBASE-12295</a>] -         Prevent block eviction under us if reads are in progress from the BBs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12296'>HBASE-12296</a>] -         Filters should work with ByteBufferedCell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12331'>HBASE-12331</a>] -         Shorten the mob snapshot unit tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12332'>HBASE-12332</a>] -         [mob] improve how we resolve mobfiles in reads
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12343'>HBASE-12343</a>] -         Document recommended configuration for 0.98 from HBASE-11964
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12345'>HBASE-12345</a>] -         Unsafe based ByteBuffer Comparator
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12374'>HBASE-12374</a>] -         Change DBEs to work with new BB based cell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12382'>HBASE-12382</a>] -         Restore incremental compilation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12391'>HBASE-12391</a>] -         Correct a typo in the mob metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12392'>HBASE-12392</a>] -         Incorrect implementation of CompactionRequest.isRetainDeleteMarkers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12425'>HBASE-12425</a>] -         Document the phases of the split transaction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12486'>HBASE-12486</a>] -         Move the mob table name tag to the 2nd one
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12487'>HBASE-12487</a>] -         Explicitly flush the file name in sweep job
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12489'>HBASE-12489</a>] -          Incorrect &#39;mobFileCacheMissCount&#39; calculated in the mob metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12523'>HBASE-12523</a>] -         Update checkstyle plugin rules to match our use
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12528'>HBASE-12528</a>] -         Document the newly introduced params for providing principal and keytabs.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12543'>HBASE-12543</a>] -         Incorrect log info in the store compaction of mob
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12561'>HBASE-12561</a>] -         Replicas of regions can be cached from different instances of the table in MetaCache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12562'>HBASE-12562</a>] -         Handling memory pressure for secondary region replicas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12591'>HBASE-12591</a>] -         Ignore the count of mob compaction metrics when there is issue
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12593'>HBASE-12593</a>] -         Tags to work with ByteBuffer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12646'>HBASE-12646</a>] -         SnapshotInfo tool does not find mob data in snapshots
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12648'>HBASE-12648</a>] -         Document per cell TTLs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12669'>HBASE-12669</a>] -         Have compaction scanner save info about delete markers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12670'>HBASE-12670</a>] -         Add unit tests that exercise the added hfilelink link mob paths
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12673'>HBASE-12673</a>] -         Add a UT to read mob file when the mob hfile moving from the mob dir to the archive dir
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12691'>HBASE-12691</a>] -         sweep job needs to exit non-zero if job fails for any reason.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12695'>HBASE-12695</a>] -         JDK 1.8 compilation broken
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12698'>HBASE-12698</a>] -         Add mob cell count to the metadata of each mob file
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12708'>HBASE-12708</a>] -         Document newly introduced params for using Thrift-over-HTTPS.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12714'>HBASE-12714</a>] -         RegionReplicaReplicationEndpoint should not set the RPC Codec 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12738'>HBASE-12738</a>] -         Chunk Ref Guide into file-per-chapter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12748'>HBASE-12748</a>] -         RegionCoprocessorHost.execOperation creates too many iterator objects
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12758'>HBASE-12758</a>] -         treat mob region as any other region when generating rs manifest.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12820'>HBASE-12820</a>] -         Use table lock instead of MobZookeeper
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12848'>HBASE-12848</a>] -         Utilize Flash storage for WAL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12936'>HBASE-12936</a>] -         Quota support for namespace should take region merge into account
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13006'>HBASE-13006</a>] -         Document visibility label support for groups
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13012'>HBASE-13012</a>] -         Add shell commands to trigger the mob file compactor 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13013'>HBASE-13013</a>] -         Add read lock to ExpiredMobFileCleanerChore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13067'>HBASE-13067</a>] -         Fix caching of stubs to allow IP address changes of restarted remote servers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13095'>HBASE-13095</a>] -         Document how to retrieve replication stats from HBase Shell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13107'>HBASE-13107</a>] -         Refactor MOB Snapshot logic to reduce code duplication.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13108'>HBASE-13108</a>] -         Reduce Connection creations in TestAcidGuarantees
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13117'>HBASE-13117</a>] -         improve mob sweeper javadoc
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13121'>HBASE-13121</a>] -         Async wal replication for region replicas and dist log replay does not work together
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13130'>HBASE-13130</a>] -         Add timeouts on TestMasterObserver, a frequent zombie show
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13151'>HBASE-13151</a>] -         IllegalArgumentException in compaction when table has a namespace
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13152'>HBASE-13152</a>] -         NPE in ExpiredMobFileCleanerChore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13154'>HBASE-13154</a>] -         Add support for mob in TestAcidGuarantees and IntegrationTestAcidGuarantees
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13157'>HBASE-13157</a>] -         Add mob compaction actions and monkeys to Chaos Monkey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13164'>HBASE-13164</a>] -         Update TestUsersOperationsWithSecureHadoop to use MiniKdc
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13169'>HBASE-13169</a>] -         ModifyTable increasing the region replica count should also auto-setup RRRE
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13184'>HBASE-13184</a>] -         Document turning off memstore for region replicas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13198'>HBASE-13198</a>] -         Remove HConnectionManager
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13201'>HBASE-13201</a>] -         Remove HTablePool from thrift-server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13202'>HBASE-13202</a>] -         Procedure v2 - core framework
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13203'>HBASE-13203</a>] -         Procedure v2 - master create/delete table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13204'>HBASE-13204</a>] -         Procedure v2 - client create/delete table sync
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13209'>HBASE-13209</a>] -         Procedure V2 - master Add/Modify/Delete Column Family
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13210'>HBASE-13210</a>] -         Procedure V2 - master Modify table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13211'>HBASE-13211</a>] -         Procedure V2 - master Enable/Disable table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13212'>HBASE-13212</a>] -         Procedure V2 - master Create/Modify/Delete namespace
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13213'>HBASE-13213</a>] -         Split out locality metrics among primary and secondary region
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13214'>HBASE-13214</a>] -         Remove deprecated and unused methods from HTable class
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13226'>HBASE-13226</a>] -         Document enable_table_replication and disable_table_replication shell commands
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13230'>HBASE-13230</a>] -         [mob] reads hang when trying to read rows with large mobs (&gt;10MB)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13244'>HBASE-13244</a>] -         Test delegation token generation with kerberos enabled
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13248'>HBASE-13248</a>] -         Make HConnectionImplementation top-level class.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13252'>HBASE-13252</a>] -         Get rid of managed connections and connection caching
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13258'>HBASE-13258</a>] -         Promote TestHRegion to LargeTests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13277'>HBASE-13277</a>] -         add mob_threshold option to load test tool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13290'>HBASE-13290</a>] -         Procedure v2 - client enable/disable table sync
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13302'>HBASE-13302</a>] -         fix new  javadoc warns introduced by mob.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13303'>HBASE-13303</a>] -         Fix size calculation of results on the region server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13307'>HBASE-13307</a>] -         Making methods under ScannerV2#next inlineable, faster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13313'>HBASE-13313</a>] -         Skip the disabled table in mob compaction chore and MasterRpcServices
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13327'>HBASE-13327</a>] -         Use Admin in ConnectionCache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13332'>HBASE-13332</a>] -         Fix the usage of doAs/runAs in Visibility Controller tests.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13335'>HBASE-13335</a>] -         Update ClientSmallScanner and ClientSmallReversedScanner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13387'>HBASE-13387</a>] -         Add ByteBufferedCell an extension to Cell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13393'>HBASE-13393</a>] -         Optimize memstore flushing to avoid writing tag information to hfiles when no tags are present.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13395'>HBASE-13395</a>] -         Remove HTableInterface
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13398'>HBASE-13398</a>] -         Document HBase Quota
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13415'>HBASE-13415</a>] -         Procedure V2 - Use nonces for double submits from client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13421'>HBASE-13421</a>] -         Reduce the number of object creations introduced by HBASE-11544 in scan RPC hot code paths
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13429'>HBASE-13429</a>] -         Remove deprecated seek/reseek methods from HFileScanner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13447'>HBASE-13447</a>] -         Bypass logic in TimeRange.compare
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13448'>HBASE-13448</a>] -         New Cell implementation with cached component offsets/lengths
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13450'>HBASE-13450</a>] -         Purge RawBytescomparator from the writers and readers for HBASE-10800
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13451'>HBASE-13451</a>] -         Make the HFileBlockIndex blockKeys to Cells so that it could be easy to use in the CellComparators
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13455'>HBASE-13455</a>] -         Procedure V2 - master truncate table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13464'>HBASE-13464</a>] -         Remove deprecations for 2.0.0 - Part 1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13466'>HBASE-13466</a>] -         Document deprecations in 1.x - Part 1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13470'>HBASE-13470</a>] -         High level Integration test for master DDL operations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13476'>HBASE-13476</a>] -         Procedure V2 - Add Replay Order logic for child procedures
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13478'>HBASE-13478</a>] -         Document the change of default master ports being used .
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13481'>HBASE-13481</a>] -         Master should respect master (old) DNS/bind related configurations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13496'>HBASE-13496</a>] -         Make Bytes$LexicographicalComparerHolder$UnsafeComparer::compareTo inlineable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13497'>HBASE-13497</a>] -         Remove MVCC stamps from HFile when that is safe
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13498'>HBASE-13498</a>] -         Add more docs and a basic check for storage policy handling
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13501'>HBASE-13501</a>] -         Deprecate/Remove getComparator() in HRegionInfo.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13502'>HBASE-13502</a>] -         Deprecate/remove getRowComparator() in TableName
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13510'>HBASE-13510</a>] -         Purge ByteBloomFilter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13514'>HBASE-13514</a>] -         Fix test failures in TestScannerHeartbeatMessages caused by incorrect setting of hbase.rpc.timeout
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13515'>HBASE-13515</a>] -         Handle FileNotFoundException in region replica replay for flush/compaction events
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13529'>HBASE-13529</a>] -         Procedure v2 - WAL Improvements
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13531'>HBASE-13531</a>] -         Flakey failures of TestAcidGuarantees#testMobScanAtomicity
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13536'>HBASE-13536</a>] -         Cleanup the handlers that are no longer being used. 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13537'>HBASE-13537</a>] -         Procedure V2 - Change the admin interface for async operations to return Future (incompatible with branch-1.x)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13538'>HBASE-13538</a>] -         Procedure v2 - client add/delete/modify column family sync (incompatible with branch-1.x)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13551'>HBASE-13551</a>] -         Procedure V2 - Procedure classes should not be InterfaceAudience.Public
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13563'>HBASE-13563</a>] -         Add missing table owner to AC tests.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13569'>HBASE-13569</a>] -         correct errors reported with mvn site
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13571'>HBASE-13571</a>] -         Procedure v2 - client modify table sync (incompatible with branch-1.x)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13572'>HBASE-13572</a>] -         Procedure v2 - client truncate table sync (incompatible with branch-1.x)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13579'>HBASE-13579</a>] -         Avoid isCellTTLExpired() for NO-TAG cases
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13593'>HBASE-13593</a>] -         Quota support for namespace should take snapshot restore and clone into account
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13614'>HBASE-13614</a>] -         Avoid temp KeyOnlyKeyValue temp objects creations in read hot path
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13616'>HBASE-13616</a>] -         Move ServerShutdownHandler to Pv2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13620'>HBASE-13620</a>] -         Bring back the removed VisibilityClient methods and mark them as deprecated.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13636'>HBASE-13636</a>] -         Remove deprecation for HBASE-4072 (Reading of zoo.cfg)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13641'>HBASE-13641</a>] -         Deperecate Filter#filterRowKey(byte[] buffer, int offset, int length) in favor of filterRowKey(Cell firstRowCell)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13642'>HBASE-13642</a>] -         Deprecate RegionObserver#postScannerFilterRow CP hook with byte[],int,int args in favor of taking Cell arg
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13658'>HBASE-13658</a>] -         Improve the test run time for TestAccessController class
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13679'>HBASE-13679</a>] -         Change ColumnTracker and SQM to deal with Cell instead of byte[], int, int
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13720'>HBASE-13720</a>] -         Mob files are not encrypting in mob compaction and Sweeper
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13728'>HBASE-13728</a>] -         Remove use of Hadoop&#39;s GenericOptionsParser
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13736'>HBASE-13736</a>] -         Add delay for the first execution of ExpiredMobFileCleanerChore and MobFileCompactorChore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13739'>HBASE-13739</a>] -         Remove KeyValueUtil.ensureKeyValue(cell) from MOB code.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13754'>HBASE-13754</a>] -         Allow non KeyValue Cell types also to oswrite
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13759'>HBASE-13759</a>] -         Improve procedure yielding
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13762'>HBASE-13762</a>] -         Use the same HFileContext with store files in mob files
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13763'>HBASE-13763</a>] -         Handle the rename, annotation and typo stuff in MOB
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13790'>HBASE-13790</a>] -         Remove the DeleteTableHandler
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13791'>HBASE-13791</a>] -         Remove the DeleteTableHandler
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13803'>HBASE-13803</a>] -         Disable the MobCompactionChore when the interval is not larger than 0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13804'>HBASE-13804</a>] -         Revert the changes in pom.xml
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13805'>HBASE-13805</a>] -         Use LimitInputStream in hbase-common instead of ProtobufUtil.LimitedInputStream
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13806'>HBASE-13806</a>] -         Check the mob files when there are mob-enabled columns in HFileCorruptionChecker
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13817'>HBASE-13817</a>] -         ByteBufferOuputStream - add writeInt support
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13819'>HBASE-13819</a>] -         Make RPC layer CellBlock buffer a DirectByteBuffer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13823'>HBASE-13823</a>] -         Procedure V2: unnecessaery operations on AssignmentManager#recoverTableInDisablingState() and recoverTableInEnablingState()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13827'>HBASE-13827</a>] -         Delayed scanner close in KeyValueHeap and StoreScanner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13832'>HBASE-13832</a>] -         Procedure V2: master fail to start due to WALProcedureStore sync failures when HDFS data nodes count is low
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13836'>HBASE-13836</a>] -         Do not reset the mvcc for bulk loaded mob reference cells in reading
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13855'>HBASE-13855</a>] -         Race in multi threaded PartitionedMobCompactor causes NPE
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13856'>HBASE-13856</a>] -         Wrong mob metrics names in TestRegionServerMetrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13871'>HBASE-13871</a>] -         Change RegionScannerImpl to deal with Cell instead of byte[], int, int
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13886'>HBASE-13886</a>] -         Return empty value when the mob file is corrupt instead of throwing exceptions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13898'>HBASE-13898</a>] -         correct additional javadoc failures under java 8
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13899'>HBASE-13899</a>] -         Jacoco instrumentation fails under jdk8
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13910'>HBASE-13910</a>] -         add branch-1.2 to precommit branches
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13911'>HBASE-13911</a>] -         add 1.2 to prereq tables in ref guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13916'>HBASE-13916</a>] -         Create MultiByteBuffer an aggregation of ByteBuffers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13920'>HBASE-13920</a>] -         Exclude Java files generated from protobuf from javadoc
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13922'>HBASE-13922</a>] -         Do not reset mvcc in compactions for mob-enabled column
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13926'>HBASE-13926</a>] -         Close the scanner only after Call#setResponse
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13932'>HBASE-13932</a>] -         Add mob integrity check in HFilePrettyPrinter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13939'>HBASE-13939</a>] -         Make HFileReaderImpl.getFirstKeyInBlock() to return a Cell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13950'>HBASE-13950</a>] -         Add a NoopProcedureStore for testing
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13954'>HBASE-13954</a>] -         Remove HTableInterface#getRowOrBefore related server side code
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13963'>HBASE-13963</a>] -         avoid leaking jdk.tools
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13967'>HBASE-13967</a>] -         add jdk profiles for jdk.tools dependency
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13968'>HBASE-13968</a>] -         Remove deprecated methods from BufferedMutator class
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13973'>HBASE-13973</a>] -         Update documentation for 10070 Phase 2 changes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13975'>HBASE-13975</a>] -         add 1.2 RM to docs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13977'>HBASE-13977</a>] -         Convert getKey and related APIs to Cell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13983'>HBASE-13983</a>] -         Doc how the oddball HTable methods getStartKey, getEndKey, etc. will be removed in 2.0.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13990'>HBASE-13990</a>] -         clean up remaining errors for maven site goal
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13993'>HBASE-13993</a>] -         WALProcedureStore fencing is not effective if new WAL rolls 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13998'>HBASE-13998</a>] -         Remove CellComparator#compareRows(byte[] left, int loffset, int llength, byte[] right, int roffset, int rlength)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14003'>HBASE-14003</a>] -         work around jdk8 spec bug in WALPerfEval
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14013'>HBASE-14013</a>] -         Retry when RegionServerNotYetRunningException rather than go ahead with assign so for sure we don&#39;t skip WAL replay
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14017'>HBASE-14017</a>] -         Procedure v2 - MasterProcedureQueue fix concurrency issue on table queue deletion
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14020'>HBASE-14020</a>] -         Unsafe based optimized write in ByteBufferOutputStream
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14051'>HBASE-14051</a>] -         Undo workarounds in IntegrationTestDDLMasterFailover for client double submit
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14061'>HBASE-14061</a>] -         Support CF-level Storage Policy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14063'>HBASE-14063</a>] -         Use BufferBackedCell in read path after HBASE-12213 and HBASE-12295
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14086'>HBASE-14086</a>] -         remove unused bundled dependencies
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14087'>HBASE-14087</a>] -         ensure correct ASF policy compliant headers on source/docs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14102'>HBASE-14102</a>] -         Add thank you to our thanks page for vectorportal.com
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14104'>HBASE-14104</a>] -         Add vectorportal.com to NOTICES.txt as src of our logo
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14105'>HBASE-14105</a>] -         Add shell tests for Snapshot
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14107'>HBASE-14107</a>] -         Procedure V2 - Administrative Task: Provide an API to List all procedures 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14108'>HBASE-14108</a>] -         Procedure V2 - Administrative Task: provide an API to abort a procedure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14116'>HBASE-14116</a>] -         Change ByteBuff.getXXXStrictlyForward to relative position based reads
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14120'>HBASE-14120</a>] -         ByteBufferUtils#compareTo small optimization
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14144'>HBASE-14144</a>] -         Bloomfilter path to work with Byte buffered cells
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14147'>HBASE-14147</a>] -         REST Support for Namespaces
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14176'>HBASE-14176</a>] -         Add missing headers to META-INF files
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14186'>HBASE-14186</a>] -         Read mvcc vlong optimization
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14188'>HBASE-14188</a>] -         Read path optimizations after HBASE-11425 profiling
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14202'>HBASE-14202</a>] -         Reduce garbage we create
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14212'>HBASE-14212</a>] -         Add IT test for procedure-v2-based namespace DDL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14221'>HBASE-14221</a>] -         Reduce the number of time row comparison is done in a Scan
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14239'>HBASE-14239</a>] -         Branch-1.2 AM can get stuck when meta moves
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14274'>HBASE-14274</a>] -         Deadlock in region metrics on shutdown: MetricsRegionSourceImpl vs MetricsRegionAggregateSourceImpl
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14278'>HBASE-14278</a>] -         Fix NPE that is showing up since HBASE-14274 went in
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14322'>HBASE-14322</a>] -         Master still not using more than it&#39;s priority threads
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14368'>HBASE-14368</a>] -         New TestWALLockup broken by addendum added to parent issue
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14378'>HBASE-14378</a>] -         Get TestAccessController* passing again on branch-1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14395'>HBASE-14395</a>] -         Short circuit last byte check in CellUtil#matchingXXX methods for ByteBufferedCells
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14398'>HBASE-14398</a>] -         Create the fake keys required in the scan path to avoid copy to byte[]
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14401'>HBASE-14401</a>] -         Stamp failed appends with sequenceid too.... Cleans up latches
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14421'>HBASE-14421</a>] -         TestFastFail* are flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14423'>HBASE-14423</a>] -         TestStochasticBalancerJmxMetrics.testJmxMetrics_PerTableMode:183 NullPointer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14428'>HBASE-14428</a>] -         Upgrade our surefire-plugin from 2.18 to 2.18.1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14430'>HBASE-14430</a>] -         TestHttpServerLifecycle#testStartedServerIsAlive times out
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14432'>HBASE-14432</a>] -         Procedure V2 - enforce ACL on procedure admin tasks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14433'>HBASE-14433</a>] -         Set down the client executor core thread count from 256 in tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14435'>HBASE-14435</a>] -         thrift tests don&#39;t have test-specific hbase-site.xml so &#39;BindException: Address already in use&#39; because info port is not turned off
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14447'>HBASE-14447</a>] -         Spark tests failing: bind exception when putting up info server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14464'>HBASE-14464</a>] -         Removed unused fs code
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14472'>HBASE-14472</a>] -         TestHCM and TestRegionServerNoMaster fixes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14480'>HBASE-14480</a>] -         Small optimization in SingleByteBuff
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14484'>HBASE-14484</a>] -         Follow-on from HBASE-14421, just disable TestFastFail* until someone digs in and fixes it
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14487'>HBASE-14487</a>] -         Procedure V2 - shell command to list all procedures
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14488'>HBASE-14488</a>] -         Procedure V2 - shell command to abort a procedure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14495'>HBASE-14495</a>] -         TestHRegion#testFlushCacheWhileScanning goes zombie
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14507'>HBASE-14507</a>] -         Disable TestDistributedLogSplitting#testWorkerAbort Its flakey with tenuous chance of success
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14513'>HBASE-14513</a>] -         TestBucketCache runs obnoxious 1k threads in a unit test
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14519'>HBASE-14519</a>] -         Purge TestFavoredNodeAssignmentHelper, a test for an abandoned feature that can hang
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14535'>HBASE-14535</a>] -         Integration test for rpc connection concurrency / deadlock testing 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14539'>HBASE-14539</a>] -         Slight improvement of StoreScanner.optimize
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14543'>HBASE-14543</a>] -         Have findHangingTests.py dump more info
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14551'>HBASE-14551</a>] -         Procedure v2 - Reimplement split
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14552'>HBASE-14552</a>] -         Procedure V2: Reimplement DispatchMergingRegionHandler
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14558'>HBASE-14558</a>] -         Document ChaosMonkey enhancements from HBASE-14261
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14559'>HBASE-14559</a>] -         branch-1 test tweeks; disable assert explicit region lands post-restart and up a few handlers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14561'>HBASE-14561</a>] -         Disable zombie TestReplicationShell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14563'>HBASE-14563</a>] -         Disable zombie TestHFileOutputFormat2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14567'>HBASE-14567</a>] -         Tuneup hanging test TestMobCompactor and TestMobSweeper
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14570'>HBASE-14570</a>] -         Split TestHBaseFsck in order to help with hanging tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14571'>HBASE-14571</a>] -         Purge TestProcessBasedCluster; it does nothing and then fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14572'>HBASE-14572</a>] -         TestImportExport#testImport94Table can&#39;t find its src data file
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14575'>HBASE-14575</a>] -         Relax region read lock for compactions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14585'>HBASE-14585</a>] -         Clean up TestSnapshotCloneIndependence
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14589'>HBASE-14589</a>] -         Looking for the surefire-killer; builds being killed...ExecutionException: java.lang.RuntimeException: The forked VM terminated without properly saying goodbye. VM crash or System.exit called?
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14590'>HBASE-14590</a>] -         Shorten ByteBufferedCell#getXXXPositionInByteBuffer method name
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14595'>HBASE-14595</a>] -         For Wiki contents that are also in the Ref Guide, replace content with a URL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14596'>HBASE-14596</a>] -         TestCellACLs failing... on1.2 builds
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14600'>HBASE-14600</a>] -         Make #testWalRollOnLowReplication looser still
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14601'>HBASE-14601</a>] -         Create list of Wiki contents missing from the Ref Guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14602'>HBASE-14602</a>] -         Convert HBasePoweredBy Wiki page to a hbase.apache.org page
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14605'>HBASE-14605</a>] -         Split fails due to &#39;No valid credentials&#39; error when SecureBulkLoadEndpoint#start tries to access hdfs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14607'>HBASE-14607</a>] -         Convert SupportingProjects wiki page to a site page
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14614'>HBASE-14614</a>] -         Procedure v2: Core Assignment Manager
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14615'>HBASE-14615</a>] -         Procedure V2: Implement single region assignment procedure from Master-side
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14616'>HBASE-14616</a>] -         Procedure v2: Replace the old AM with the new AM
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14617'>HBASE-14617</a>] -         Procedure V2: Update ServerCrashProcedure to interact with assignment procedures
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14618'>HBASE-14618</a>] -         Procedure V2: Implement move shell command to use Proc-V2 assignment
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14620'>HBASE-14620</a>] -         Procedure V2: Update HBCK to incorporate the Proc-V2-based assignment
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14627'>HBASE-14627</a>] -         Move Stargate docs to Ref Guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14631'>HBASE-14631</a>] -         Region merge request should be audited with request user through proper scope of doAs() calls to region observer notifications
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14636'>HBASE-14636</a>] -         Clear HFileScannerImpl#prevBlocks in between Compaction flow
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14637'>HBASE-14637</a>] -         Loosen TestChoreService assert AND have TestDataBlockEncoders do less work (and add timeouts)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14638'>HBASE-14638</a>] -         Move Jython info from the Wiki to the Ref Guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14639'>HBASE-14639</a>] -         Move Scala info from Wiki to Ref Guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14640'>HBASE-14640</a>] -         Move Cascading info from Wiki to Ref Guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14641'>HBASE-14641</a>] -         Move JDO example from Wiki to Ref Guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14646'>HBASE-14646</a>] -         Move TestCellACLs from medium to large category
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14647'>HBASE-14647</a>] -         Disable TestWALProcedureStoreOnHDFS#testWalRollOnLowReplication
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14648'>HBASE-14648</a>] -         Reenable TestWALProcedureStoreOnHDFS#testWalRollOnLowReplication
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14655'>HBASE-14655</a>] -         Narrow the scope of doAs() calls to region observer notifications for compaction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14657'>HBASE-14657</a>] -         Remove unneeded API from EncodedSeeker
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14662'>HBASE-14662</a>] -         Fix NPE in HFileOutputFormat2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14685'>HBASE-14685</a>] -         Procedure Id is not set for  MasterRpcServices#modifyTable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14698'>HBASE-14698</a>] -         Set category timeouts on TestScanner and TestNamespaceAuditor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14702'>HBASE-14702</a>] -         TestZKProcedureControllers.testZKCoordinatorControllerWithSingleMemberCohort is a flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14709'>HBASE-14709</a>] -         Parent change breaks graceful_stop.sh on a cluster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14710'>HBASE-14710</a>] -         Add category-based timeouts to MR tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14720'>HBASE-14720</a>] -         Make TestHCM and TestMetaWithReplicas large tests rather than mediums
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14725'>HBASE-14725</a>] -         Vet categorization of tests so they for sure go into the right small/medium/large buckets
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14734'>HBASE-14734</a>] -         BindException when setting up MiniKdc
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14772'>HBASE-14772</a>] -         Improve zombie detector; be more discerning
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14785'>HBASE-14785</a>] -         Hamburger menu for mobile site
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14786'>HBASE-14786</a>] -         TestProcedureAdmin hangs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14794'>HBASE-14794</a>] -         Cleanup TestAtomicOperation, TestImportExport, and TestMetaWithReplicas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14798'>HBASE-14798</a>] -         NPE reporting server load causes regionserver abort; causes TestAcidGuarantee to fail
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14819'>HBASE-14819</a>] -         hbase-it tests failing with OOME; permgen
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14832'>HBASE-14832</a>] -         Ensure write paths work with ByteBufferedCells in case of compaction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14837'>HBASE-14837</a>] -         Procedure V2 - Procedure Queue Improvement
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14841'>HBASE-14841</a>] -         Allow Dictionary to work with BytebufferedCells
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14863'>HBASE-14863</a>] -         Add missing test/resources/log4j files in hbase modules
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14877'>HBASE-14877</a>] -         maven archetype: client application
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14878'>HBASE-14878</a>] -         maven archetype: client application with shaded jars
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14884'>HBASE-14884</a>] -         TestSplitTransactionOnCluster.testSSHCleanupDaugtherRegionsOfAbortedSplit is flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14888'>HBASE-14888</a>] -         ClusterSchema: Add Namespace Operations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14895'>HBASE-14895</a>] -         Seek only to the newly flushed file on scanner reset on flush
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14902'>HBASE-14902</a>] -         Revert some of the stringency recently introduced by checkstyle tightening
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14908'>HBASE-14908</a>] -         TestRowCounter flakey especially on branch-1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14909'>HBASE-14909</a>] -         NPE testing for RIT
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14919'>HBASE-14919</a>] -         Infrastructure refactoring for In-Memory Flush
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14920'>HBASE-14920</a>] -         Compacting Memstore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14921'>HBASE-14921</a>] -         Inmemory Compaction Optimizations; Segment Structure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14947'>HBASE-14947</a>] -         Procedure V2 - WALProcedureStore improvements
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14949'>HBASE-14949</a>] -         Resolve name conflict when splitting if there are duplicated WAL entries
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14962'>HBASE-14962</a>] -         TestSplitWalDataLoss fails on all branches
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14997'>HBASE-14997</a>] -         Move compareOp and Comparators out of filter to client package
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14998'>HBASE-14998</a>] -         Unify synchronous and asynchronous methods in Admin and cleanup
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15016'>HBASE-15016</a>] -         StoreServices facility in Region
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15023'>HBASE-15023</a>] -         Reenable TestShell and TestStochasticLoadBalancer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15046'>HBASE-15046</a>] -         Perf test doing all mutation steps under row lock
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15071'>HBASE-15071</a>] -         Cleanup bypass semantic in MasterCoprocessorHost
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15072'>HBASE-15072</a>] -         Use protobuf for serialization/deserialization.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15077'>HBASE-15077</a>] -         Support OffheapKV write in compaction with out copying data on heap
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15082'>HBASE-15082</a>] -         Fix merge of MVCC and SequenceID performance regression
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15087'>HBASE-15087</a>] -         Fix hbase-common findbugs complaints
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15094'>HBASE-15094</a>] -         Selection of WAL files eligible for incremental backup is broken
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15095'>HBASE-15095</a>] -         isReturnResult=false  on fast path in branch-1.1 and branch-1.0 is not respected
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15105'>HBASE-15105</a>] -         Procedure V2 - Procedure Queue with Namespaces
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15106'>HBASE-15106</a>] -         Procedure V2 - Procedure Queue pass Procedure for better debuggability
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15107'>HBASE-15107</a>] -         Procedure V2 - Procedure Queue with Regions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15113'>HBASE-15113</a>] -         Procedure v2 - Speedup eviction of sys operation results
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15114'>HBASE-15114</a>] -         NPE when IPC server ByteBuffer reservoir is turned off 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15115'>HBASE-15115</a>] -         Fix findbugs complaints in hbase-client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15118'>HBASE-15118</a>] -         Fix findbugs complaint in hbase-server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15142'>HBASE-15142</a>] -         Procedure v2 - Basic WebUI listing the procedures
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15143'>HBASE-15143</a>] -         Procedure v2 - Web UI displaying queues
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15144'>HBASE-15144</a>] -         Procedure v2 - Web UI displaying Store state
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15157'>HBASE-15157</a>] -         Add *PerformanceTest for Append, CheckAnd*
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15158'>HBASE-15158</a>] -         Change order in which we do write pipeline operations; do all under row locks!
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15160'>HBASE-15160</a>] -         Put back HFile&#39;s HDFS op latency sampling code and add metrics for monitoring
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15163'>HBASE-15163</a>] -         Add sampling code and metrics for get/scan/multi/mutate count separately
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15171'>HBASE-15171</a>] -         Avoid counting duplicate kv and generating lots of small hfiles in PutSortReducer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15172'>HBASE-15172</a>] -         Support setting storage policy in bulkload
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15174'>HBASE-15174</a>] -         Client Public API should not have PB objects in 2.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15180'>HBASE-15180</a>] -         Reduce garbage created while reading Cells from Codec Decoder
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15194'>HBASE-15194</a>] -         TestStochasticLoadBalancer.testRegionReplicationOnMidClusterSameHosts flaky on trunk
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15202'>HBASE-15202</a>] -         Reduce garbage while setting response
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15203'>HBASE-15203</a>] -         Reduce garbage created by path.toString() during Checksum verification
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15204'>HBASE-15204</a>] -         Try to estimate the cell count for adding into WALEdit
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15205'>HBASE-15205</a>] -         Do not find the replication scope for every WAL#append()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15210'>HBASE-15210</a>] -         Undo aggressive load balancer logging at tens of lines per millisecond
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15215'>HBASE-15215</a>] -         TestBlockEvictionFromClient is flaky in jdk1.7 build
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15232'>HBASE-15232</a>] -         Exceptions returned over multi RPC don&#39;t automatically trigger region location reloads
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15238'>HBASE-15238</a>] -         HFileReaderV2 prefetch overreaches; runs off the end of the data
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15239'>HBASE-15239</a>] -         Remove unused LoadBalancer.immediateAssignment()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15244'>HBASE-15244</a>] -         More doc around native lib setup and check and crc
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15263'>HBASE-15263</a>] -         TestIPv6NIOServerSocketChannel.testServerSocketFromLocalhostResolution can hang indefinetly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15264'>HBASE-15264</a>] -         Implement a fan out HDFS OutputStream
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15265'>HBASE-15265</a>] -         Implement an asynchronous FSHLog
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15270'>HBASE-15270</a>] -         Use appropriate encoding for &quot;filter&quot; field in TaskMonitorTmpl.jamon 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15272'>HBASE-15272</a>] -         Add error handling for split and compact actions in table.jsp
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15277'>HBASE-15277</a>] -         TestRegionMergeTransactionOnCluster.testWholesomeMerge fails with no connection to master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15293'>HBASE-15293</a>] -         Handle TableNotFound and IllegalArgument exceptions in table.jsp
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15305'>HBASE-15305</a>] -         Fix a couple of incorrect anchors in HBase ref guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15311'>HBASE-15311</a>] -         Prevent NPE in BlockCacheViewTmpl
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15314'>HBASE-15314</a>] -         Allow more than one backing file in bucketcache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15334'>HBASE-15334</a>] -         Add avro support for spark hbase connector
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15337'>HBASE-15337</a>] -         Document date tiered compaction in the book
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15346'>HBASE-15346</a>] -         add 1.3 RM to docs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15351'>HBASE-15351</a>] -         Fix description of hbase.bucketcache.size in hbase-default.xml
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15354'>HBASE-15354</a>] -         Use same criteria for clearing meta cache for all operations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15359'>HBASE-15359</a>] -         Simplifying Segment hierarchy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15365'>HBASE-15365</a>] -         Do not write to &#39;/tmp&#39; in TestHBaseConfiguration
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15366'>HBASE-15366</a>] -         Add doc, trace-level logging, and test around hfileblock
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15368'>HBASE-15368</a>] -         Add pluggable window support
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15369'>HBASE-15369</a>] -         Handle NPE in region.jsp
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15371'>HBASE-15371</a>] -         Procedure V2 - Completed support parent-child procedure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15373'>HBASE-15373</a>] -         DEPRECATED_NAME_OF_NO_LIMIT_THROUGHPUT_CONTROLLER_CLASS value is wrong in CompactionThroughputControllerFactory
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15375'>HBASE-15375</a>] -         Do not write to &#39;/tmp&#39; in TestRegionMover
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15376'>HBASE-15376</a>] -         ScanNext metric is size-based while every other per-operation metric is time based
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15377'>HBASE-15377</a>] -         Per-RS Get metric is time based, per-region metric is size-based
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15380'>HBASE-15380</a>] -         Purge rollback support in Store etc.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15384'>HBASE-15384</a>] -         Avoid using &#39;/tmp&#39; directory in TestBulkLoad
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15386'>HBASE-15386</a>] -         PREFETCH_BLOCKS_ON_OPEN in HColumnDescriptor is ignored
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15389'>HBASE-15389</a>] -         Write out multiple files when compaction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15390'>HBASE-15390</a>] -         Unnecessary MetaCache evictions cause elevated number of requests to meta
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15392'>HBASE-15392</a>] -         Single Cell Get reads two HFileBlocks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15400'>HBASE-15400</a>] -         Use DateTieredCompactor for Date Tiered Compaction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15407'>HBASE-15407</a>] -         Add SASL support for fan out OutputStream
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15412'>HBASE-15412</a>] -         Add average region size metric
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15416'>HBASE-15416</a>] -         TestHFileBackedByBucketCache is flakey since it went in
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15421'>HBASE-15421</a>] -         Convert TestStoreScanner to junit4 from junit3 and clean up close of scanners
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15422'>HBASE-15422</a>] -         Procedure v2 - Avoid double yield
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15435'>HBASE-15435</a>] -         Add WAL (in bytes) written metric 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15460'>HBASE-15460</a>] -         Fix infer issues in hbase-common
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15464'>HBASE-15464</a>] -         Flush / Compaction metrics revisited
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15477'>HBASE-15477</a>] -         Do not save &#39;next block header&#39; when we cache hfileblocks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15479'>HBASE-15479</a>] -         No more garbage or beware of autoboxing
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15484'>HBASE-15484</a>] -         Correct the semantic of batch and partial
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15488'>HBASE-15488</a>] -         Add ACL for setting split merge switch
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15495'>HBASE-15495</a>] -         Connection leak in FanOutOneBlockAsyncDFSOutputHelper
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15505'>HBASE-15505</a>] -         ReplicationPeerConfig should be builder-style
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15513'>HBASE-15513</a>] -         hbase.hregion.memstore.chunkpool.maxsize is 0.0 by default
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15518'>HBASE-15518</a>] -         Add Per-Table metrics back
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15521'>HBASE-15521</a>] -         Procedure V2 - RestoreSnapshot and CloneSnapshot
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15524'>HBASE-15524</a>] -         Fix NPE in client-side metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15525'>HBASE-15525</a>] -         OutOfMemory could occur when using BoundedByteBufferPool during RPC bursts
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15527'>HBASE-15527</a>] -         Refactor Compactor related classes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15532'>HBASE-15532</a>] -         core favored nodes enhancements
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15536'>HBASE-15536</a>] -         Make AsyncFSWAL as our default WAL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15537'>HBASE-15537</a>] -         Make multi WAL work with WALs other than FSHLog
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15538'>HBASE-15538</a>] -         Implement secure async protobuf wal writer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15554'>HBASE-15554</a>] -         StoreFile$Writer.appendGeneralBloomFilter generates extra KV
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15561'>HBASE-15561</a>] -         See how G1GC works with MSLAB and chunk pool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15568'>HBASE-15568</a>] -         Procedure V2 - Remove CreateTableHandler in HBase Apache 2.0 release
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15575'>HBASE-15575</a>] -         Rename table DDL *Handler methods in MasterObserver to more meaningful names
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15579'>HBASE-15579</a>] -         Procedure V2 - Remove synchronized around nonce in Procedure submit
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15583'>HBASE-15583</a>] -         Any HTableDescriptor we give out should be immutable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15628'>HBASE-15628</a>] -         Implement an AsyncOutputStream which can work with any FileSystem implementation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15640'>HBASE-15640</a>] -         L1 cache doesn&#39;t give fair warning that it is showing partial stats only when it hits limit
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15651'>HBASE-15651</a>] -         Add report-flakies.py to use jenkins api to get failing tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15658'>HBASE-15658</a>] -         RegionServerCallable / RpcRetryingCaller clear meta cache on retries
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15662'>HBASE-15662</a>] -         Hook up JvmPauseMonitor to REST server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15663'>HBASE-15663</a>] -         Hook up JvmPauseMonitor to ThriftServer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15665'>HBASE-15665</a>] -         Support using different StoreFileComparators for different CompactionPolicies
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15671'>HBASE-15671</a>] -         Add per-table metrics on memstore, storefile and regionsize
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15675'>HBASE-15675</a>] -         Add more details about region on table.jsp
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15683'>HBASE-15683</a>] -         Min latency in latency histograms are emitted as Long.MAX_VALUE
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15689'>HBASE-15689</a>] -         Changes to hbase-personality.sh to include/exclude flaky tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15709'>HBASE-15709</a>] -         Handle large edits for asynchronous WAL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15721'>HBASE-15721</a>] -         Optimization in cloning cells into MSLAB
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15735'>HBASE-15735</a>] -         Tightening of the CP contract 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15740'>HBASE-15740</a>] -         Replication source.shippedKBs metric is undercounting because it is in KB
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15743'>HBASE-15743</a>] -         Add Transparent Data Encryption support for FanOutOneBlockAsyncDFSOutput
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15754'>HBASE-15754</a>] -         Add testcase for AES encryption
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15763'>HBASE-15763</a>] -         Isolate Wal related stuff from MasterFileSystem
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15776'>HBASE-15776</a>] -         Replace master.am.getTableStateManager() with the direct master.getTableStateManager()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15778'>HBASE-15778</a>] -         replace master.am and master.sm direct access with getter calls
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15785'>HBASE-15785</a>] -         Unnecessary lock in ByteBufferArray
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15786'>HBASE-15786</a>] -         Create DBB backed MSLAB pool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15787'>HBASE-15787</a>] -         Change the flush related heuristics to work with offheap size configured
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15788'>HBASE-15788</a>] -         Use Offheap ByteBuffers from BufferPool to read RPC requests.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15789'>HBASE-15789</a>] -         PB related changes to work with offheap
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15813'>HBASE-15813</a>] -         Rename DefaultWALProvider to a more specific name and clean up unnecessary reference to it
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15825'>HBASE-15825</a>] -         Fix the null pointer in DynamicLogicExpressionSuite
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15865'>HBASE-15865</a>] -         Move TestTableDeleteFamilyHandler and TestTableDescriptorModification handler tests to procedure 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15872'>HBASE-15872</a>] -         Split TestWALProcedureStore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15883'>HBASE-15883</a>] -         Adding WAL files and tracking offsets in HBase. 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15896'>HBASE-15896</a>] -         Add timeout tests to flaky list from report-flakies.py
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15915'>HBASE-15915</a>] -         Set timeouts on hanging tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15917'>HBASE-15917</a>] -         Flaky tests dashboard
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15919'>HBASE-15919</a>] -         Document @Rule vs @ClassRule. Also clarify timeout limits are on TestCase.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15927'>HBASE-15927</a>] -         Remove HMaster.assignRegion()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15935'>HBASE-15935</a>] -         Have a separate Walker task running concurrently with Generator   
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15948'>HBASE-15948</a>] -         Port &quot;HADOOP-9956  RPC listener inefficiently assigns connections to readers&quot;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15971'>HBASE-15971</a>] -         Regression: Random Read/WorkloadC slower in 1.x than 0.98
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15974'>HBASE-15974</a>] -         Create a ReplicationQueuesClientHBaseImpl
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15984'>HBASE-15984</a>] -         Given failure to parse a given WAL that was closed cleanly, replay the WAL.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15985'>HBASE-15985</a>] -         clarify promises about edits from replication in ref guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15991'>HBASE-15991</a>] -         CompactingMemstore#InMemoryFlushRunnable should implement Comparable/Comparator
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15994'>HBASE-15994</a>] -         Allow selection of RpcSchedulers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15995'>HBASE-15995</a>] -         Separate replication WAL reading from shipping
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15999'>HBASE-15999</a>] -         NPE in MemstoreCompactor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16023'>HBASE-16023</a>] -         Fastpath for the FIFO rpcscheduler
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16034'>HBASE-16034</a>] -         Fix ProcedureTestingUtility#LoadCounter.setMaxProcId() 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16036'>HBASE-16036</a>] -         Fix ReplicationTableBase initialization to make it non-blocking
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16038'>HBASE-16038</a>] -         Ignore JVM crashes or machine shutdown failures in report-flakies
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16056'>HBASE-16056</a>] -         Procedure v2 - fix master crash for FileNotFound
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16068'>HBASE-16068</a>] -         Procedure v2 - use consts for conf properties in tests 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16080'>HBASE-16080</a>] -         Fix flakey tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16082'>HBASE-16082</a>] -         Procedure v2 - Move out helpers from MasterProcedureScheduler
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16083'>HBASE-16083</a>] -         Fix table based replication related configs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16092'>HBASE-16092</a>] -         Procedure v2 - complete child procedure support
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16094'>HBASE-16094</a>] -         Procedure v2 - Improve cleaning up of proc wals
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16101'>HBASE-16101</a>] -         Procedure v2 - Perf Tool for WAL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16119'>HBASE-16119</a>] -         Procedure v2 - Reimplement merge
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16121'>HBASE-16121</a>] -         Require only MasterServices to the ServerManager constructor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16134'>HBASE-16134</a>] -         Introduce Cell extension for server side.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16143'>HBASE-16143</a>] -         Change MemstoreScanner constructor to accept List&lt;KeyValueScanner&gt;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16146'>HBASE-16146</a>] -         Counters are expensive...
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16153'>HBASE-16153</a>] -         Correct the config name &#39;hbase.memestore.inmemoryflush.threshold.factor&#39;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16155'>HBASE-16155</a>] -         Compacting Memstore : Few log improvements
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16156'>HBASE-16156</a>] -         In write heavy scenario creating in memory flushes leads to contention
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16162'>HBASE-16162</a>] -         Compacting Memstore : unnecessary push of active segments to pipeline
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16163'>HBASE-16163</a>] -         Compacting Memstore : CompactionPipeline#addFirst  can use LinkedList#addFirst
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16164'>HBASE-16164</a>] -         Missing close of new compacted segments in few occasions which might leak MSLAB chunks from pool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16166'>HBASE-16166</a>] -         Create a memstore impl that does not compact but creates pipelines and flushes all segments from pipeline
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16167'>HBASE-16167</a>] -         Verify the sizing part of Compacting Memstore.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16169'>HBASE-16169</a>] -         Make RegionSizeCalculator scalable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16176'>HBASE-16176</a>] -         Bug fixes/improvements on HBASE-15650 Remove TimeRangeTracker as point of contention when many threads reading a StoreFile
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16181'>HBASE-16181</a>] -         Allow snapshot of hbase:backup table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16194'>HBASE-16194</a>] -         Should count in MSLAB chunk allocation into heap size change when adding duplicate cells
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16195'>HBASE-16195</a>] -         Should not add chunk into chunkQueue if not using chunk pool in HeapMemStoreLAB
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16205'>HBASE-16205</a>] -         When Cells are not copied to MSLAB, deep clone it while adding to Memstore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16208'>HBASE-16208</a>] -         Make TableBasedReplicationQueuesImpl check that queue exists before attempting to remove it
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16214'>HBASE-16214</a>] -         Add in UI description of Replication Table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16217'>HBASE-16217</a>] -         Identify calling user in ObserverContext
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16219'>HBASE-16219</a>] -         Move meta bootstrap out of HMaster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16229'>HBASE-16229</a>] -         Cleaning up size and heapSize calculation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16233'>HBASE-16233</a>] -         Procedure V2: Support acquire/release shared table lock concurrently
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16236'>HBASE-16236</a>] -         Typo in javadoc of InstancePending
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16242'>HBASE-16242</a>] -         Upgrade Avro to 1.7.7
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16257'>HBASE-16257</a>] -         Move staging dir to be under hbase root dir
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16261'>HBASE-16261</a>] -          MultiHFileOutputFormat Enhancement 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16263'>HBASE-16263</a>] -         Move all to do w/ protobuf -- *.proto files and generated classes -- under hbase-protocol
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16264'>HBASE-16264</a>] -         Figure how to deal with endpoints and shaded pb
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16280'>HBASE-16280</a>] -         Use hash based map in SequenceIdAccounting
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16285'>HBASE-16285</a>] -         Drop RPC requests if it must be considered as timeout at client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16286'>HBASE-16286</a>] -         When TagRewriteCell are not copied to MSLAB, deep clone it while adding to Memstore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16308'>HBASE-16308</a>] -         Contain protobuf references
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16311'>HBASE-16311</a>] -         Audit log for delete snapshot operation is missing in case of snapshot owner deleting the same
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16314'>HBASE-16314</a>] -         Retry on table snapshot failure during full backup
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16317'>HBASE-16317</a>] -         revert all ESAPI changes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16318'>HBASE-16318</a>] -         fail build if license isn&#39;t in whitelist
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16321'>HBASE-16321</a>] -         Ensure findbugs jsr305 jar isn&#39;t present
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16324'>HBASE-16324</a>] -         Remove LegacyScanQueryMatcher
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16336'>HBASE-16336</a>] -         Removing peers seems to be leaving spare queues
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16372'>HBASE-16372</a>] -         References to previous cell in read path should be avoided
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16378'>HBASE-16378</a>] -         Procedure v2 - Make ProcedureException extend HBaseException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16392'>HBASE-16392</a>] -         Backup delete fault tolerance
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16398'>HBASE-16398</a>] -         optimize HRegion computeHDFSBlocksDistribution
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16404'>HBASE-16404</a>] -         Make DeleteBloomFilters work with BloomContext
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16405'>HBASE-16405</a>] -         Change read path Bloom check to work with Cells with out any copy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16407'>HBASE-16407</a>] -         Handle MemstoreChunkPool size when HeapMemoryManager tunes memory
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16417'>HBASE-16417</a>] -         In-Memory MemStore Policy for Flattening and Compactions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16433'>HBASE-16433</a>] -         Remove AsyncRpcChannel related stuffs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16435'>HBASE-16435</a>] -         Implement RpcChannel for RpcClientImpl
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16436'>HBASE-16436</a>] -         Add the CellChunkMap variant
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16437'>HBASE-16437</a>] -         Refactor MSLAB and Chunkpool to create ChunkIds
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16438'>HBASE-16438</a>] -         Create a cell type so that chunk id is embedded in it
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16440'>HBASE-16440</a>] -         MemstoreChunkPool might cross its maxCount of chunks to pool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16445'>HBASE-16445</a>] -         Refactor and reimplement RpcClient
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16451'>HBASE-16451</a>] -         Procedure v2 - Test WAL protobuf entry size limit
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16452'>HBASE-16452</a>] -         Procedure v2 - Make ProcedureWALPrettyPrinter extend Tool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16474'>HBASE-16474</a>] -         Remove dfs.support.append related code and documentation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16475'>HBASE-16475</a>] -         Remove SequenceFile based WAL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16476'>HBASE-16476</a>] -         Remove HLogKey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16477'>HBASE-16477</a>] -         Remove Writable interface and related code from WALEdit/WALKey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16479'>HBASE-16479</a>] -         Move WALEdit from hbase.regionserver.wal package to hbase.wal package
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16485'>HBASE-16485</a>] -         Procedure V2 - Add support to addChildProcedure() as last &quot;step&quot; in StateMachineProcedure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16505'>HBASE-16505</a>] -         Save deadline in RpcCallContext according to request&#39;s timeout
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16507'>HBASE-16507</a>] -         Procedure v2 - Force DDL operation to always roll forward
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16510'>HBASE-16510</a>] -         Reset RpcController before retry
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16516'>HBASE-16516</a>] -         Revisit the implementation of PayloadCarryingRpcController
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16519'>HBASE-16519</a>] -         Procedure v2 - Avoid sync wait on DDLs operation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16522'>HBASE-16522</a>] -         Procedure v2 - Cache system user and avoid IOException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16524'>HBASE-16524</a>] -         Procedure v2 - Compute WALs cleanup on wal modification and not on every sync
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16526'>HBASE-16526</a>] -         Add more ipc tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16530'>HBASE-16530</a>] -         Reduce DBE code duplication
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16531'>HBASE-16531</a>] -         Move cell block related code out of IPCUtil
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16532'>HBASE-16532</a>] -         Procedure-V2: Enforce procedure ownership at submission
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16533'>HBASE-16533</a>] -         Procedure v2 - Extract chore from the executor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16534'>HBASE-16534</a>] -         Procedure v2 - Perf Tool for Scheduler
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16543'>HBASE-16543</a>] -         Separate Create/Modify Table operations from open/reopen regions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16548'>HBASE-16548</a>] -         Procedure v2 - Add handling of split region transition to the new AM
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16549'>HBASE-16549</a>] -         Procedure v2 - Add new AM metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16554'>HBASE-16554</a>] -         Procedure V2 - Recover &#39;updated&#39; part of WAL tracker if trailer is corrupted.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16570'>HBASE-16570</a>] -         Compute region locality in parallel at startup
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16586'>HBASE-16586</a>] -         Procedure v2 - Cleanup sched wait/lock semantic
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16587'>HBASE-16587</a>] -         Procedure v2 - Cleanup suspended proc execution
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16592'>HBASE-16592</a>] -         Unify Delete request with AP
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16596'>HBASE-16596</a>] -         Reduce redundant interfaces in AsyncProcess
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16608'>HBASE-16608</a>] -         Introducing the ability to merge ImmutableSegments without copy-compaction or SQM usage
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16618'>HBASE-16618</a>] -         Procedure v2 - Add base class for table and ns procedures
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16626'>HBASE-16626</a>] -         User customized RegionScanner from 1.X is incompatible with 2.0.0&#39;s off-heap part
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16642'>HBASE-16642</a>] -         Procedure V2: Use DelayQueue instead of TimeoutBlockingQueue
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16648'>HBASE-16648</a>] -         [JDK8] Use computeIfAbsent instead of get and putIfAbsent
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16650'>HBASE-16650</a>] -         Wrong usage of BlockCache eviction stat for heap memory tuning
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16651'>HBASE-16651</a>] -         LRUBlockCache#returnBlock should try return block to Victim Handler L2 cache.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16695'>HBASE-16695</a>] -         Procedure v2 - Support for parent holding locks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16735'>HBASE-16735</a>] -         Procedure v2 - Fix yield while holding locks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16738'>HBASE-16738</a>] -         L1 cache caching shared memory HFile block when blocks promoted from L2 to L1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16741'>HBASE-16741</a>] -         Amend the generate protobufs out-of-band build step to include shade, pulling in protobuf source and a hook for patching protobuf
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16742'>HBASE-16742</a>] -         Add chapter for devs on how we do protobufs going forward
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16744'>HBASE-16744</a>] -         Procedure V2 - Lock procedures to allow clients to acquire locks on tables/namespaces/regions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16747'>HBASE-16747</a>] -         Track memstore data size and heap overhead separately 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16758'>HBASE-16758</a>] -         Bring back HBaseZeroCopyByteStringer stuff
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16759'>HBASE-16759</a>] -         Avoid ByteString.copyFrom usage wherever possible
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16760'>HBASE-16760</a>] -         Deprecate ByteString related methods in Bytes.java
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16786'>HBASE-16786</a>] -         Procedure V2 - Move ZK-lock&#39;s uses to Procedure framework locks (LockProcedure)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16788'>HBASE-16788</a>] -         Race in compacted file deletion between HStore close() and closeAndArchiveCompactedFiles()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16799'>HBASE-16799</a>] -         CP exposed Store should not expose unwanted APIs 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16802'>HBASE-16802</a>] -         Procedure v2 - group procedure cleaning
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16813'>HBASE-16813</a>] -         Procedure v2 - Move ProcedureEvent to hbase-procedure module
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16831'>HBASE-16831</a>] -         Procedure V2 - Remove org.apache.hadoop.hbase.zookeeper.lock
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16834'>HBASE-16834</a>] -         Add AsyncConnection support for ConnectionFactory
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16835'>HBASE-16835</a>] -         Revisit the zookeeper usage at client side
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16836'>HBASE-16836</a>] -         Implement increment and append
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16837'>HBASE-16837</a>] -         Implement checkAndPut and checkAndDelete
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16838'>HBASE-16838</a>] -         Implement basic scan
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16839'>HBASE-16839</a>] -         Procedure v2 - Move all protobuf handling to ProcedureUtil
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16846'>HBASE-16846</a>] -         Procedure v2 - executor cleanup
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16848'>HBASE-16848</a>] -         Usage for show_peer_tableCFs command doesn&#39;t include peer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16851'>HBASE-16851</a>] -         User-facing documentation for the In-Memory Compaction feature
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16864'>HBASE-16864</a>] -         Procedure v2 - Fix StateMachineProcedure support for child procs at last step
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16865'>HBASE-16865</a>] -         Procedure v2 - Inherit lock from root proc
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16867'>HBASE-16867</a>] -         Procedure V2 - Check ACLs for remote HBaseLock
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16871'>HBASE-16871</a>] -         Procedure v2 - add waiting procs back to the queue after restart
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16872'>HBASE-16872</a>] -         Implement mutateRow and checkAndMutate
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16874'>HBASE-16874</a>] -         Fix TestMasterFailoverWithProcedures and ensure single proc-executor for kill/restart tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16890'>HBASE-16890</a>] -         Analyze the performance of AsyncWAL and fix the same
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16891'>HBASE-16891</a>] -         Try copying to the Netty ByteBuf directly from the WALEdit
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16892'>HBASE-16892</a>] -         Use TableName instead of String in SnapshotDescription
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16932'>HBASE-16932</a>] -         Implement small scan
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16937'>HBASE-16937</a>] -         Replace SnapshotType protobuf conversion when we can directly use the pojo object
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16941'>HBASE-16941</a>] -         FavoredNodes - Split/Merge code paths
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16942'>HBASE-16942</a>] -         Add FavoredStochasticLoadBalancer and FN Candidate generators
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16945'>HBASE-16945</a>] -         Implement AsyncRegionLocator
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16954'>HBASE-16954</a>] -         Unify HTable#checkAndDelete with AP
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16956'>HBASE-16956</a>] -         Refactor FavoredNodePlan to use regionNames as keys
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16968'>HBASE-16968</a>] -         Refactor FanOutOneBlockAsyncDFSOutput
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16970'>HBASE-16970</a>] -         Clarify misleading Scan.java comment about caching
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16982'>HBASE-16982</a>] -         Better integrate Apache CLI in AbstractHBaseTool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16984'>HBASE-16984</a>] -         Implement getScanner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16986'>HBASE-16986</a>] -         Add note on how scanner caching has changed since 0.98 to refguid
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16991'>HBASE-16991</a>] -         Make the initialization of AsyncConnection asynchronous
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16995'>HBASE-16995</a>] -         Build client Java API and client protobuf messages
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16996'>HBASE-16996</a>] -         Implement storage/retrieval of filesystem-use quotas into quota table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16997'>HBASE-16997</a>] -         [Master] Collect table use information from RegionServers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16998'>HBASE-16998</a>] -         [Master] Analyze table use reports and update quota violations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16999'>HBASE-16999</a>] -         [Master] Inform RegionServers on size quota violations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17000'>HBASE-17000</a>] -         [RegionServer] Compute region filesystem space use and report to Master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17001'>HBASE-17001</a>] -         [RegionServer] Implement enforcement of quota violation policies
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17002'>HBASE-17002</a>] -         [Master] Report quotas and active violations on Master UI and JMX metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17003'>HBASE-17003</a>] -         Update book for filesystem use quotas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17008'>HBASE-17008</a>] -         Examples to make AsyncClient go down easy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17012'>HBASE-17012</a>] -         Handle Offheap cells in CompressedKvEncoder
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17017'>HBASE-17017</a>] -         Remove the current per-region latency histogram metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17021'>HBASE-17021</a>] -         Use RingBuffer to reduce the contention in AsyncFSWAL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17025'>HBASE-17025</a>] -         [Shell] Support space quota get/set via the shell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17029'>HBASE-17029</a>] -         Procedure v2 - A couple of tweaks to the SplitTableRegionProcedure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17030'>HBASE-17030</a>] -         Procedure v2 - A couple of tweaks to the SplitTableRegionProcedure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17035'>HBASE-17035</a>] -         Check why we roll a wal writer at 10MB when the configured roll size is 120M+ with AsyncFSWAL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17036'>HBASE-17036</a>] -         Unify HTable#checkAndPut with AP
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17045'>HBASE-17045</a>] -         Unify the implementation of small scan and regular scan
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17048'>HBASE-17048</a>] -         Calcuate suitable ByteBuf size when allocating send buffer in FanOutOneBlockAsyncDFSOutput
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17049'>HBASE-17049</a>] -         Do not issue sync request when there are still entries in ringbuffer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17050'>HBASE-17050</a>] -         Upgrade Apache CLI version from 1.2 to 1.3.1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17053'>HBASE-17053</a>] -         Remove LogRollerExitedChecker
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17066'>HBASE-17066</a>] -         Procedure v2 - Add handling of merge region transition to the new AM
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17067'>HBASE-17067</a>] -         Procedure v2 - remove tryAcquire*Lock and use wait/wake to make framework event based
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17068'>HBASE-17068</a>] -         Procedure v2 - inherit region locks 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17071'>HBASE-17071</a>] -         Do not initialize MemstoreChunkPool when use mslab option is turned off
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17073'>HBASE-17073</a>] -         Increase the max number of buffers in ByteBufferPool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17081'>HBASE-17081</a>] -         Flush the entire CompactingMemStore content to disk
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17085'>HBASE-17085</a>] -         AsyncFSWAL may issue unnecessary AsyncDFSOutput.sync
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17087'>HBASE-17087</a>] -         Enable Aliasing for CodedInputStream created by ByteInputByteString#newCodedInput
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17089'>HBASE-17089</a>] -         Add doc on experience running with hedged reads
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17090'>HBASE-17090</a>] -         Procedure v2 - fast wake if nothing else is running
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17101'>HBASE-17101</a>] -         FavoredNodes should not apply to system tables
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17107'>HBASE-17107</a>] -         FN info should be cleaned up on region/table cleanup
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17111'>HBASE-17111</a>] -         Use Apache CLI in SnapshotInfo tool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17132'>HBASE-17132</a>] -         Cleanup deprecated code for WAL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17139'>HBASE-17139</a>] -         Remove sweep tool related configs from hbase-default.xml
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17141'>HBASE-17141</a>] -         Introduce a more user-friendly implementation of AsyncTable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17142'>HBASE-17142</a>] -         Implement multi get
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17148'>HBASE-17148</a>] -         Procedure v2 - add bulk proc submit
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17149'>HBASE-17149</a>] -         Procedure V2 - Fix nonce submission to avoid unnecessary calling coprocessor multiple times
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17162'>HBASE-17162</a>] -         Avoid unconditional call to getXXXArray() in write path
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17167'>HBASE-17167</a>] -         Pass mvcc to client when scan
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17169'>HBASE-17169</a>] -         Remove Cell variants with ShareableMemory
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17183'>HBASE-17183</a>] -         Handle ByteBufferCell while making TagRewriteCell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17198'>HBASE-17198</a>] -         FN updates during region merge (follow up to Procedure v2 merge)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17201'>HBASE-17201</a>] -         Edit of HFileBlock comments and javadoc
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17210'>HBASE-17210</a>] -         Set timeout on trying rowlock according to client&#39;s RPC timeout
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17223'>HBASE-17223</a>] -         Make COS#newInstance(ByteOutput, int) as public API.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17251'>HBASE-17251</a>] -         Add a timeout parameter when locating region
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17259'>HBASE-17259</a>] -         Missing functionality to remove space quota
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17260'>HBASE-17260</a>] -         Procedure v2 - Add setOwner() overload taking a User instance
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17262'>HBASE-17262</a>] -         Refactor RpcServer so as to make it extendable and/or pluggable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17263'>HBASE-17263</a>] -           Netty based rpc server impl
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17277'>HBASE-17277</a>] -         Allow alternate BufferedMutator implementation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17281'>HBASE-17281</a>] -         FN should use datanode port from hdfs configuration
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17282'>HBASE-17282</a>] -         Reduce the redundant requests to meta table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17294'>HBASE-17294</a>] -         External Configuration for Memory Compaction 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17312'>HBASE-17312</a>] -         [JDK8] Use default method for Observer Coprocessors
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17313'>HBASE-17313</a>] -         Add BufferedMutatorParams#clone method
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17316'>HBASE-17316</a>] -         Addendum to HBASE-17294, &#39;External Configuration for Memory Compaction&#39;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17320'>HBASE-17320</a>] -         Add inclusive/exclusive support for startRow and endRow of scan
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17334'>HBASE-17334</a>] -         Add locate row before/after support for AsyncRegionLocator
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17335'>HBASE-17335</a>] -         enable/disable replication peer requests should be routed through master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17336'>HBASE-17336</a>] -         get/update replication peer config requests should be routed through master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17337'>HBASE-17337</a>] -         list replication peers request should be routed through master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17338'>HBASE-17338</a>] -         Treat Cell data size under global memstore heap size only when that Cell can not be copied to MSLAB
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17345'>HBASE-17345</a>] -         Implement batch
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17346'>HBASE-17346</a>] -         Add coprocessor service support
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17349'>HBASE-17349</a>] -         Add doc for regionserver group-based assignment
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17350'>HBASE-17350</a>] -         Fixup of regionserver group-based assignment
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17367'>HBASE-17367</a>] -         Make HTable#getBufferedMutator thread safe
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17372'>HBASE-17372</a>] -         Make AsyncTable thread safe
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17373'>HBASE-17373</a>] -         Reverse the order of snapshot creation in the CompactingMemStore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17388'>HBASE-17388</a>] -         Move ReplicationPeer and other replication related PB messages to the replication.proto
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17389'>HBASE-17389</a>] -         Convert all internal usages from ReplicationAdmin to Admin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17396'>HBASE-17396</a>] -         Add first async admin impl and implement balance methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17402'>HBASE-17402</a>] -         TestAsyncTableScan sometimes hangs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17409'>HBASE-17409</a>] -         Re-fix XSS request issue in JMXJsonServlet
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17410'>HBASE-17410</a>] -         Use isEmpty instead of size() == 0 in hbase-client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17416'>HBASE-17416</a>] -         Use isEmpty instead of size() == 0 in hbase-protocol-shaded
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17428'>HBASE-17428</a>] -         Expand on shell commands for detailed insight
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17442'>HBASE-17442</a>] -         Move most of the replication related classes from hbase-client to hbase-replication package
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17443'>HBASE-17443</a>] -         Move listReplicated/enableTableRep/disableTableRep methods from ReplicationAdmin to Admin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17447'>HBASE-17447</a>] -         Automatically delete quota when table is deleted
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17470'>HBASE-17470</a>] -         Remove merge region code from region server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17478'>HBASE-17478</a>] -         Avoid sending FSUtilization reports to master when quota support is not enabled
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17480'>HBASE-17480</a>] -         Remove split region code from Region Server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17483'>HBASE-17483</a>] -         Add equals/hashcode for OffheapKeyValue
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17484'>HBASE-17484</a>] -         Add non cached version of OffheapKV for write path
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17491'>HBASE-17491</a>] -         Remove all setters from HTable interface and introduce a TableBuilder to build Table instance
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17492'>HBASE-17492</a>] -         Fix the compacting memstore part in hbase shell ruby script 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17497'>HBASE-17497</a>] -         Add first async MetaTableAccessor impl and Implement tableExists method
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17498'>HBASE-17498</a>] -         Implement listTables and listTableNames methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17500'>HBASE-17500</a>] -         Implement getTable/creatTable/deleteTable/truncateTable methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17508'>HBASE-17508</a>] -         Unify the implementation of small scan and regular scan for sync client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17511'>HBASE-17511</a>] -         Implement enable/disable table methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17516'>HBASE-17516</a>] -         Table quota not taking precedence over namespace quota
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17520'>HBASE-17520</a>] -         Implement isTableEnabled/Disabled/Available methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17526'>HBASE-17526</a>] -         Procedure v2 - cleanup isSuspended from MasterProcedureScheduler#Queue
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17530'>HBASE-17530</a>] -         Readd TestMergeTableRegionsProcedure mistakenly removed by HBASE-16786
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17535'>HBASE-17535</a>] -         Remove backup manifest duplicates from backup file system
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17554'>HBASE-17554</a>] -         Figure 2.0.0 Hadoop Version Support; update refguide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17557'>HBASE-17557</a>] -         HRegionServer#reportRegionSizesForQuotas() should respond to UnsupportedOperationException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17561'>HBASE-17561</a>] -         table status page should escape values that may contain arbitrary characters.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17562'>HBASE-17562</a>] -         Remove documentation for coprocessor execution times after HBASE-14205
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17566'>HBASE-17566</a>] -         Jetty upgrade fixes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17568'>HBASE-17568</a>] -         Expire region reports in the HMaster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17570'>HBASE-17570</a>] -         rsgroup server move can get stuck if unassigning fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17571'>HBASE-17571</a>] -         Add batch coprocessor service support
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17575'>HBASE-17575</a>] -         Run critical tests with each of the Inmemory Compaction Policies enabled (Towards Making BASIC the Default In-Memory Compaction Policy)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17580'>HBASE-17580</a>] -         Tooling to move table out of FAILED_OPEN state
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17583'>HBASE-17583</a>] -         Add inclusive/exclusive support for startRow and endRow of scan for sync client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17584'>HBASE-17584</a>] -         Expose ScanMetrics with ResultScanner rather than Scan
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17589'>HBASE-17589</a>] -         Add doc for regionserver groups feature
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17595'>HBASE-17595</a>] -         Add partial result support for small/limited scan
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17596'>HBASE-17596</a>] -         Implement add/delete/modify column family methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17599'>HBASE-17599</a>] -         Use mayHaveMoreCellsInRow instead of isPartial
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17600'>HBASE-17600</a>] -         Implement get/create/modify/delete/list namespace admin operations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17602'>HBASE-17602</a>] -         Tweak chore delay/period defaults
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17608'>HBASE-17608</a>] -         Add suspend support for RawScanResultConsumer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17615'>HBASE-17615</a>] -         Use nonce and procedure v2 for add/remove replication peer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17619'>HBASE-17619</a>] -         Add async admin Impl which connect to RegionServer and implement close region methods.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17644'>HBASE-17644</a>] -         Always create ByteBufferCells after copying to MSLAB
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17646'>HBASE-17646</a>] -         Implement Async getRegion method
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17647'>HBASE-17647</a>] -         OffheapKeyValue#heapSize() implementation is wrong
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17656'>HBASE-17656</a>] -         Move new Address class from util to net package
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17662'>HBASE-17662</a>] -         Disable in-memory flush when replaying from WAL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17667'>HBASE-17667</a>] -         Implement  async  flush/compact region methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17668'>HBASE-17668</a>] -         Implement async assgin/offline/move/unassign methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17669'>HBASE-17669</a>] -         Implement async mergeRegion/splitRegion methods.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17678'>HBASE-17678</a>] -         FilterList with MUST_PASS_ONE may lead to redundant cells returned
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17691'>HBASE-17691</a>] -         Add ScanMetrics support for async scan
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17730'>HBASE-17730</a>] -         [DOC] Migration to 2.0 for coprocessors 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17738'>HBASE-17738</a>] -         BucketCache startup is slow
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17740'>HBASE-17740</a>] -         Correct the semantic of batch and partial for async client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17745'>HBASE-17745</a>] -         Support short circuit connection for master services
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17765'>HBASE-17765</a>] -         Reviving the merge possibility in the CompactingMemStore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17786'>HBASE-17786</a>] -         Create LoadBalancer perf-tests (test balancer algorithm decoupled from workload)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17790'>HBASE-17790</a>] -         Mark ReplicationAdmin&#39;s peerAdded and listReplicationPeers as Deprecated
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17794'>HBASE-17794</a>] -         Remove lingering &quot;violation&quot; in favor of the accurate &quot;snapshot&quot;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17805'>HBASE-17805</a>] -         We should remove BoundedByteBufferPool because it is replaced by ByteBufferPool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17809'>HBASE-17809</a>] -         cleanup unused class
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17819'>HBASE-17819</a>] -         Reduce the heap overhead for BucketCache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17838'>HBASE-17838</a>] -         Replace fixed Executor Threads with dynamic thread pool 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17844'>HBASE-17844</a>] -         Subset of HBASE-14614, Procedure v2: Core Assignment Manager (non-critical related changes)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17850'>HBASE-17850</a>] -         Backup system repair utility
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17855'>HBASE-17855</a>] -         Fix typo in async client implementation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17857'>HBASE-17857</a>] -         Remove IS annotations from IA.Public classes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17858'>HBASE-17858</a>] -         Update refguide about the IS annotation if necessary
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17859'>HBASE-17859</a>] -         ByteBufferUtils#compareTo is wrong
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17864'>HBASE-17864</a>] -         Implement async snapshot/cloneSnapshot/restoreSnapshot methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17865'>HBASE-17865</a>] -         Implement async listSnapshot/deleteSnapshot methods.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17866'>HBASE-17866</a>] -         Implement async setQuota/getQuota methods.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17867'>HBASE-17867</a>] -         Implement async procedure RPC API(list/exec/abort/isFinished)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17872'>HBASE-17872</a>] -         The MSLABImpl generates the invaild cells when unsafe is not availble
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17873'>HBASE-17873</a>] -         Change the IA.Public annotation to IA.Private for unstable API
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17881'>HBASE-17881</a>] -         Remove the ByteBufferCellImpl
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17887'>HBASE-17887</a>] -         Row-level consistency is broken for read
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17895'>HBASE-17895</a>] -         TestAsyncProcess#testAction fails if unsafe support is false
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17896'>HBASE-17896</a>] -         The FIXED_OVERHEAD of Segment is incorrect
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17897'>HBASE-17897</a>] -         StripeStoreFileManager#nonOpenRowCompare use the wrong comparison function
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17908'>HBASE-17908</a>] -         Upgrade guava
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17914'>HBASE-17914</a>] -         Create a new reader instead of cloning a new StoreFile when compaction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17915'>HBASE-17915</a>] -         Implement async replication admin methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17917'>HBASE-17917</a>] -         Use pread by default for all user scan and switch to streaming read if needed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17920'>HBASE-17920</a>] -         TestFSHDFSUtils always fails against hadoop 3.0.0-alpha2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17922'>HBASE-17922</a>] -         TestRegionServerHostname always fails against hadoop 3.0.0-alpha2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17925'>HBASE-17925</a>] -         mvn assembly:single fails against hadoop3-alpha2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17929'>HBASE-17929</a>] -         Add more options for PE tool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17938'>HBASE-17938</a>] -         General fault - tolerance framework for backup/restore operations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17952'>HBASE-17952</a>] -         The new options for PE tool do not work
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17955'>HBASE-17955</a>] -         Commit Reviewboard comments from Vlad
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17976'>HBASE-17976</a>] -         Remove stability annotation from public audience-marked classes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17977'>HBASE-17977</a>] -         Enabled Master observer to delete quotas on table deletion by default
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17978'>HBASE-17978</a>] -         Investigate hbase superuser permissions in the face of quota violation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17980'>HBASE-17980</a>] -         Any HRegionInfo we give out should be immutable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17981'>HBASE-17981</a>] -         Roll list_quota_violations into list_quota_snapshots
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17994'>HBASE-17994</a>] -         Add async client test to Performance Evaluation tool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18002'>HBASE-18002</a>] -         Investigate why bucket cache filling up in file mode in an exisiting file  is slower
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18003'>HBASE-18003</a>] -         Fix flaky test TestAsyncTableAdminApi
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18008'>HBASE-18008</a>] -         Any HColumnDescriptor we give out should be immutable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18009'>HBASE-18009</a>] -         Move RpcServer.Call to a separated file
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18010'>HBASE-18010</a>] -         Connect CellChunkMap to be used for flattening in CompactingMemStore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18012'>HBASE-18012</a>] -         Move RpcServer.Connection to a separated file
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18013'>HBASE-18013</a>] -         Write response directly instead of creating a fake call when setup connection
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18016'>HBASE-18016</a>] -         Implement abort for TruncateTableProcedure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18018'>HBASE-18018</a>] -         Support abort for all procedures by default
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18038'>HBASE-18038</a>] -         Rename StoreFile to HStoreFile and add a StoreFile interface for CP
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18039'>HBASE-18039</a>] -         Create a copy of AccessControl.proto under hbase-protocol-shaed module
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18052'>HBASE-18052</a>] -         Add document for async admin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18068'>HBASE-18068</a>] -         Fix flaky test TestAsyncSnapshotAdminApi
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18091'>HBASE-18091</a>] -         Add API for who currently holds a lock on namespace/ table/ region and log when state is LOCK_EVENT_WAIT
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18102'>HBASE-18102</a>] -         [SHELL] Purge close_region command that allows by-pass of Master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18103'>HBASE-18103</a>] -         [AMv2] If Master gives OPEN to another, if original eventually succeeds, Master will kill it
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18104'>HBASE-18104</a>] -         [AMv2] Enable aggregation of RPCs (assigns/unassigns, etc.)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18105'>HBASE-18105</a>] -         [AMv2] Split/Merge need cleanup; currently they diverge and do not fully embrace AMv2 world
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18106'>HBASE-18106</a>] -         Redo ProcedureInfo and LockInfo
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18107'>HBASE-18107</a>] -         [AMv2] Remove DispatchMergingRegionsRequest &amp; DispatchMergingRegions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18108'>HBASE-18108</a>] -         Procedure WALs are archived but not cleaned; fix
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18109'>HBASE-18109</a>] -         Assign system tables first (priority)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18112'>HBASE-18112</a>] -         Write RequestTooBigException back to client for NettyRpcServer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18114'>HBASE-18114</a>] -         Update the config of TestAsync*AdminApi to make test stable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18115'>HBASE-18115</a>] -         Move SaslServer creation to HBaseSaslRpcServer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18160'>HBASE-18160</a>] -         Fix incorrect  logic in FilterList.filterKeyValue
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18183'>HBASE-18183</a>] -         Region interface cleanup for CP expose
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18190'>HBASE-18190</a>] -         Set version in branch-2 to 2.0.0-alpha-1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18191'>HBASE-18191</a>] -         Include hbase-metrics-* in assembly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18213'>HBASE-18213</a>] -         Add documentation about the new async client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18220'>HBASE-18220</a>] -         Compaction scanners need not reopen storefile scanners while trying to switch over from pread to stream
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18221'>HBASE-18221</a>] -         Switch from pread to stream should happen under HStore&#39;s reentrant lock
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18229'>HBASE-18229</a>] -         create new Async Split API to embrace AM v2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18231'>HBASE-18231</a>] -         Deprecate and throw unsupported operation when Admin#closeRegion is called.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18234'>HBASE-18234</a>] -         Revisit the async admin api
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18238'>HBASE-18238</a>] -         Address ruby static analysis for bin directory
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18239'>HBASE-18239</a>] -         Address ruby static analysis for shell module
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18240'>HBASE-18240</a>] -         Add hbase-thirdparty, a project with hbase utility including an hbase-shaded-thirdparty module with guava, netty, etc.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18241'>HBASE-18241</a>] -         Change client.Table, client.Admin, Region, Store, and HBaseTestingUtility to not use HTableDescriptor or HColumnDescriptor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18264'>HBASE-18264</a>] -         Update pom plugins
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18268'>HBASE-18268</a>] -         Eliminate the findbugs warnings for hbase-client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18271'>HBASE-18271</a>] -         Shade netty
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18272'>HBASE-18272</a>] -         Fix issue about RSGroupBasedLoadBalancer#roundRobinAssignment where BOGUS_SERVER_NAME is involved in two groups
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18283'>HBASE-18283</a>] -         Provide a construct method which accept a thread pool for AsyncAdmin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18293'>HBASE-18293</a>] -         Only add the spotbugs dependency when jdk8 is active
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18295'>HBASE-18295</a>] -          The result contains the cells across different rows
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18297'>HBASE-18297</a>] -         Provide a AsyncAdminBuilder to create new AsyncAdmin instance
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18298'>HBASE-18298</a>] -         RegionServerServices Interface cleanup for CP expose
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18308'>HBASE-18308</a>] -         Eliminate the findbugs warnings for hbase-server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18314'>HBASE-18314</a>] -         Eliminate the findbugs warnings for hbase-examples
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18315'>HBASE-18315</a>] -         Eliminate the findbugs warnings for hbase-rest
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18316'>HBASE-18316</a>] -         Implement async admin operations for draining region servers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18317'>HBASE-18317</a>] -         Implement async admin operations for Normalizer/CleanerChore/CatalogJanitor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18318'>HBASE-18318</a>] -         Implement updateConfiguration/stopMaster/stopRegionServer/shutdown methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18319'>HBASE-18319</a>] -         Implement getClusterStatus/getRegionLoad/getCompactionState/getLastMajorCompactionTimestamp methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18342'>HBASE-18342</a>] -         Add coprocessor service support for async admin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18343'>HBASE-18343</a>] -         Track the remaining unimplemented methods for async admin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18347'>HBASE-18347</a>] -         Implement a BufferedMutator for async client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18365'>HBASE-18365</a>] -         Eliminate the findbugs warnings for hbase-common
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18367'>HBASE-18367</a>] -         Reduce ProcedureInfo usage
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18375'>HBASE-18375</a>] -         The pool chunks from ChunkCreator are deallocated while in pool because there is no reference to them
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18398'>HBASE-18398</a>] -         Snapshot operation fails with FileNotFoundException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18411'>HBASE-18411</a>] -         Dividing FiterList  into two separate sub-classes:  FilterListWithOR , FilterListWithAND
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18419'>HBASE-18419</a>] -         Update IntegrationTestIngestWithMOB and Actions to use ColumnFamily builders for modification
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18420'>HBASE-18420</a>] -         Some methods of Admin don&#39;t use ColumnFamilyDescriptor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18423'>HBASE-18423</a>] -         Fix TestMetaWithReplicas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18424'>HBASE-18424</a>] -         Fix TestAsyncTableGetMultiThreaded
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18428'>HBASE-18428</a>] -         IntegrationTestDDLMasterFailover uses old-style immutable column descriptors
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18440'>HBASE-18440</a>] -         ITs and Actions modify immutable TableDescriptors
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18446'>HBASE-18446</a>] -         Mark StoreFileScanner/StoreFileReader as IA.LimitedPrivate(Phoenix)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18448'>HBASE-18448</a>] -         EndPoint example  for refreshing HFiles for stores
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18453'>HBASE-18453</a>] -         CompactionRequest should not be exposed to user directly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18489'>HBASE-18489</a>] -         Expose scan cursor in RawScanResultConsumer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18502'>HBASE-18502</a>] -         Change MasterObserver to use TableDescriptor and ColumnFamilyDescriptor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18503'>HBASE-18503</a>] -         Change ***Util and Master to use TableDescriptor and ColumnFamilyDescriptor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18524'>HBASE-18524</a>] -         Test reenabling Master carrying regions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18528'>HBASE-18528</a>] -         DON&#39;T allow user to modify the passed table/column descriptor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18553'>HBASE-18553</a>] -         Expose scan cursor for asynchronous scanner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18593'>HBASE-18593</a>] -         Tell m2eclipse what to do w/ replacer plugin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18595'>HBASE-18595</a>] -         Set version in branch-2 from 2.0.0-alpha2-SNAPSHOT to 2.0.0-alpha2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18608'>HBASE-18608</a>] -         AsyncConnection should return AsyncAdmin interface instead of the implemenation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18624'>HBASE-18624</a>] -         Added support for clearing BlockCache based on table name
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18656'>HBASE-18656</a>] -         Address issues found by error-prone in hbase-common
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18658'>HBASE-18658</a>] -         Purge hokey hbase Service implementation; use (internal) Guava Service instead
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18681'>HBASE-18681</a>] -         Introduce a new constructor for StoreScanner for MOB
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18687'>HBASE-18687</a>] -         Add @since 2.0.0 to new classes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18688'>HBASE-18688</a>] -         Upgrade commons-codec to 1.10
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18691'>HBASE-18691</a>] -         [compat 1-2] HCD remove and removeConfiguration change return type
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18692'>HBASE-18692</a>] -         [compat 1-2] ByteBufferUtils.copyFromBufferToBuffer goes from void to int
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18697'>HBASE-18697</a>] -         Need a shaded hbase-mapreduce module
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18698'>HBASE-18698</a>] -         MapreduceDependencyClasspathTool does not include hbase-server as a dependency
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18700'>HBASE-18700</a>] -         Document the new changes on mapreduce stuffs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18718'>HBASE-18718</a>] -         Document the coprocessor.Export
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18721'>HBASE-18721</a>] -         Cleanup unused configs and private declaration
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18729'>HBASE-18729</a>] -         [compat 1-2] The input type of Result#createCompleteResult is changed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18731'>HBASE-18731</a>] -         [compat 1-2] Mark protected methods of QuotaSettings that touch Protobuf internals as IA.Private
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18732'>HBASE-18732</a>] -         [compat 1-2] HBASE-14047 removed Cell methods w/o deprecation cycle
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18733'>HBASE-18733</a>] -         [compat 1-2] Hide WALKey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18736'>HBASE-18736</a>] -         Cleanup the HTD/HCD for Admin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18739'>HBASE-18739</a>] -         Make all TimeRange Constructors InterfaceAudience Private.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18747'>HBASE-18747</a>] -         Introduce new example and helper classes to tell CP users how to do filtering on scanners
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18749'>HBASE-18749</a>] -         Apply the CF specific TimeRange from Scan to filter the segment scanner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18750'>HBASE-18750</a>] -         Cleanup the docs saying &quot;HTable use write buffer&quot;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18752'>HBASE-18752</a>] -         Recalculate the TimeRange in flushing snapshot to store file
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18753'>HBASE-18753</a>] -         Introduce the unsynchronized TimeRangeTracker
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18754'>HBASE-18754</a>] -         Get rid of Writable from TimeRangeTracker
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18758'>HBASE-18758</a>] -         [TEST][compat 1-2] Test delegation tokens continue to work when hbase1 going against hbase2 cluster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18769'>HBASE-18769</a>] -         Make CompareFilter use generic CompareOperator instead of internal enum
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18770'>HBASE-18770</a>] -         Remove bypass method in ObserverContext and implement the &#39;bypass&#39; logic case by case
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18779'>HBASE-18779</a>] -         Move CompareOperator to hbase-client module
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18780'>HBASE-18780</a>] -         Remove HLogPrettyPrinter and hlog command
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18786'>HBASE-18786</a>] -         FileNotFoundException should not be silently handled for primary region replicas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18793'>HBASE-18793</a>] -         Remove deprecated methods in RegionObserver
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18794'>HBASE-18794</a>] -         Remove deprecated methods in MasterObserver
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18797'>HBASE-18797</a>] -         Deprecate Filter#filterKeyValue and add Filter#filterCell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18798'>HBASE-18798</a>] -         Remove the unused methods in RegionServerObserver
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18807'>HBASE-18807</a>] -         Remove PB references from Observers for Quotas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18815'>HBASE-18815</a>] -         We need to pass something like CompactionRequest in CP to give user some information about the compaction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18819'>HBASE-18819</a>] -         Set version number to 2.0.0-alpha3 from 2.0.0-alpha3-SNAPSHOT
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18820'>HBASE-18820</a>] -         assembly is missing hbase-replication
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18821'>HBASE-18821</a>] -         Enforcer plugin NPEs again when generating site
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18823'>HBASE-18823</a>] -         Apply RegionInfo to MasterObserver/RegionObserver/WALObserver
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18825'>HBASE-18825</a>] -         Use HStoreFile instead of StoreFile in our own code base and remove unnecessary methods in StoreFile interface
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18826'>HBASE-18826</a>] -         Use HStore instead of Store in our own code base and remove unnecessary methods in Store interface
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18828'>HBASE-18828</a>] -         [2.0] Generate CHANGES.txt
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18839'>HBASE-18839</a>] -         Apply RegionInfo to code base
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18859'>HBASE-18859</a>] -         Purge PB from BulkLoadObserver
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18867'>HBASE-18867</a>] -         maven enforcer plugin needs update to work with jdk9
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18873'>HBASE-18873</a>] -         Hide protobufs in GlobalQuotaSettings
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18878'>HBASE-18878</a>] -         Use Optional&lt;T&gt; return types when T can be null
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18905'>HBASE-18905</a>] -         Allow CPs to request flush on Region and know the completion of the requested flush
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18906'>HBASE-18906</a>] -         Provide Region#waitForFlushes API
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18909'>HBASE-18909</a>] -         Deprecate Admin&#39;s methods which used String regex
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18911'>HBASE-18911</a>] -         Unify Admin and AsyncAdmin&#39;s methods name
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18912'>HBASE-18912</a>] -         Update Admin methods to return Lists instead of arrays
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18914'>HBASE-18914</a>] -         Remove AsyncAdmin&#39;s methods which were already deprecated in Admin interface
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18931'>HBASE-18931</a>] -         Make ObserverContext an interface and remove private/testing methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18933'>HBASE-18933</a>] -         set version number to 2.0.0-alpha4-SNAPSHOT following release of alpha3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18945'>HBASE-18945</a>] -         Make a IA.LimitedPrivate interface for CellComparator
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18949'>HBASE-18949</a>] -         Remove the CompactionRequest parameter in preCompactSelection
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18950'>HBASE-18950</a>] -         Remove Optional parameters in AsyncAdmin interface
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18951'>HBASE-18951</a>] -         Use Builder pattern to remove nullable parameters for checkAndXXX methods in RawAsyncTable/AsyncTable interface
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18952'>HBASE-18952</a>] -         Remove the Optional(Int) usage in the constructors of HStore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18954'>HBASE-18954</a>] -         Make *CoprocessorHost classes private
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18957'>HBASE-18957</a>] -         add test that confirms 2 FamilyFilters in a FilterList using MUST_PASS_ONE operator will return results that match either of the FamilyFilters and revert as needed to make it pass.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18960'>HBASE-18960</a>] -         A few bug fixes and minor improvements around batchMutate()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18961'>HBASE-18961</a>] -         doMiniBatchMutate() is big, split it into smaller methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18962'>HBASE-18962</a>] -         Support atomic BatchOperations through batchMutate()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18963'>HBASE-18963</a>] -         Remove MultiRowMutationProcessor and implement mutateRows... methods using batchMutate()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18964'>HBASE-18964</a>] -         Deprecate RowProcessor and processRowsWithLocks() APIs that take RowProcessor as an argument
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18966'>HBASE-18966</a>] -         Use non-sync TimeRangeTracker as a replacement for TimeRange in ImmutableSegment
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18972'>HBASE-18972</a>] -         Use Builder pattern to remove nullable parameters for coprocessor methods in RawAsyncTable interface
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18977'>HBASE-18977</a>] -         Reenable test of filterlist using MUST_PASS_ONE and two familyfilters
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18980'>HBASE-18980</a>] -         Address issues found by error-prone in hbase-hadoop2-compat
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18981'>HBASE-18981</a>] -         Address issues found by error-prone in hbase-client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18989'>HBASE-18989</a>] -         Polish the compaction related CP hooks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18995'>HBASE-18995</a>] -         Move methods that are for internal usage from CellUtil to Private util class
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19000'>HBASE-19000</a>] -         Group multiple block cache clear requests per server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19001'>HBASE-19001</a>] -         Remove the hooks in RegionObserver which are designed to construct a StoreScanner which is marked as IA.Private
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19002'>HBASE-19002</a>] -         Introduce more examples to show how to intercept normal region operations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19003'>HBASE-19003</a>] -         Make sure all balancer actions respect decommissioned server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19009'>HBASE-19009</a>] -         implement modifyTable and enable/disableTableReplication for AsyncAdmin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19010'>HBASE-19010</a>] -         Reimplement getMasterInfoPort for Admin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19029'>HBASE-19029</a>] -         Align RPC timout methods in Table and AsyncTableBase
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19031'>HBASE-19031</a>] -         Align exist method in Table and AsyncTable interfaces
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19033'>HBASE-19033</a>] -         Allow CP users to change versions and TTL before opening StoreScanner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19045'>HBASE-19045</a>] -         Deprecate RegionObserver#postInstantiateDeleteTracker
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19046'>HBASE-19046</a>] -         RegionObserver#postCompactSelection  Avoid passing shaded ImmutableList param
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19047'>HBASE-19047</a>] -         CP exposed Scanner types should not extend Shipper
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19048'>HBASE-19048</a>] -         Cleanup MasterObserver hooks which takes IA private params
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19053'>HBASE-19053</a>] -         Split out o.a.h.h.http from hbase-server into a separate module
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19057'>HBASE-19057</a>] -         Fix other code review comments about FilterList Improvement
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19067'>HBASE-19067</a>] -         Do not expose getHDFSBlockDistribution in StoreFile
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19069'>HBASE-19069</a>] -         Do not wrap the original CompactionLifeCycleTracker when calling CP hooks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19070'>HBASE-19070</a>] -         temporarily make the mvnsite nightly test non-voting.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19074'>HBASE-19074</a>] -         Miscellaneous Observer cleanups
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19090'>HBASE-19090</a>] -         Add config &#39;hbase.systemtables.compacting.memstore.type&#39; to hbase-default.xml
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19092'>HBASE-19092</a>] -         Make Tag IA.LimitedPrivate and expose for CPs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19093'>HBASE-19093</a>] -         Check Admin/Table to ensure all operations go via AccessControl
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19095'>HBASE-19095</a>] -         Add CP hooks in RegionObserver for in memory compaction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19096'>HBASE-19096</a>] -         Add RowMutions batch support in AsyncTable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19112'>HBASE-19112</a>] -         Suspect methods on Cell to be deprecated
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19114'>HBASE-19114</a>] -         Split out o.a.h.h.zookeeper from hbase-server and hbase-client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19116'>HBASE-19116</a>] -         Currently the tail of hfiles with CellComparator* classname makes it so hbase1 can&#39;t open hbase2 written hfiles; fix
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19122'>HBASE-19122</a>] -         preCompact and preFlush can bypass by returning null scanner; shut it down
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19127'>HBASE-19127</a>] -         Set State.SPLITTING, MERGING, MERGING_NEW, SPLITTING_NEW properly in RegionStatesNode
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19128'>HBASE-19128</a>] -         Purge Distributed Log Replay from codebase, configurations, text; mark the feature as unsupported, broken.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19131'>HBASE-19131</a>] -         Add the ClusterStatus hook and cleanup other hooks which can be replaced by ClusterStatus hook
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19133'>HBASE-19133</a>] -         Transfer big cells or upserted/appended cells into MSLAB upon flattening to CellChunkMap
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19136'>HBASE-19136</a>] -         Set branch-2 version to 2.0.0-alpha4 from 2.0.0-alpha4-SNAPSHOT
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19141'>HBASE-19141</a>] -          [compat 1-2] getClusterStatus always return empty ClusterStatus
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19152'>HBASE-19152</a>] -         Update refguide &#39;how to build an RC&#39; and the make_rc.sh script
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19172'>HBASE-19172</a>] -         [rolling upgrade] Migrate region state from zk to hbase:meta
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19197'>HBASE-19197</a>] -         Move version on branch-2 from 2.0.0-alpha4 to 2.0.0-beta-1.SNAPSHOT
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19203'>HBASE-19203</a>] -         Update Hadoop version used for build to 2.7.4
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19212'>HBASE-19212</a>] -         Align coprocessor in Table and AsyncTable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19213'>HBASE-19213</a>] -         Align check and mutate operations in Table and AsyncTable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19214'>HBASE-19214</a>] -         Align scan in Table and AsyncTable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19220'>HBASE-19220</a>] -         Async tests time out talking to zk; &#39;clusterid came back null&#39;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19235'>HBASE-19235</a>] -         CoprocessorEnvironment should be exposed to CPs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19242'>HBASE-19242</a>] -         Add MOB compact support for AsyncAdmin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19243'>HBASE-19243</a>] -         Start mini cluster once before class for TestFIFOCompactionPolicy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19268'>HBASE-19268</a>] -         Enable Replica tests that were disabled by Proc-V2 AM in HBASE-14614
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19269'>HBASE-19269</a>] -         Reenable TestShellRSGroups
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19270'>HBASE-19270</a>] -         Reenable TestRegionMergeTransactionOnCluster#testMergeWithReplicas disable by HBASE-14614
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19272'>HBASE-19272</a>] -         Deal with HBCK tests disabled by HBASE-14614 AMv2 when HBCK works again...
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19276'>HBASE-19276</a>] -         RegionPlan should correctly implement equals and hashCode
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19278'>HBASE-19278</a>] -         Reenable cleanup in test teardown in TestAccessController3 disabled by HBASE-14614
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19282'>HBASE-19282</a>] -         CellChunkMap Benchmarking and User Interface
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19295'>HBASE-19295</a>] -         The Configuration returned by CPEnv should be read-only.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19301'>HBASE-19301</a>] -         Provide way for CPs to create short circuited connection with custom configurations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19313'>HBASE-19313</a>] -         Call blockUntilConnected when constructing ZKAsyncRegistry(temporary workaround)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19344'>HBASE-19344</a>] -         improve asyncWAL by using Independent thread for netty #IO in FanOutOneBlockAsyncDFSOutput 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19346'>HBASE-19346</a>] -         Use EventLoopGroup to create AsyncFSOutput
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19357'>HBASE-19357</a>] -         Bucket cache no longer L2 for LRU cache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19359'>HBASE-19359</a>] -         Revisit the default config of hbase client retries number
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19360'>HBASE-19360</a>] -         Remove unused imports from hbase-zookeeper module
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19362'>HBASE-19362</a>] -         Remove unused imports from hbase-thrift module
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19373'>HBASE-19373</a>] -         Fix Checkstyle error in hbase-annotations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19375'>HBASE-19375</a>] -         Fix import order in hbase-thrift
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19399'>HBASE-19399</a>] -         Purge curator dependency from hbase-client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19400'>HBASE-19400</a>] -         Add missing security checks in MasterRpcServices
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19426'>HBASE-19426</a>] -         Move has() and setTimestamp() to Mutation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19427'>HBASE-19427</a>] -         Add TimeRange support into Append to optimize for counters
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19428'>HBASE-19428</a>] -         Deprecate the compareTo(Row)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19430'>HBASE-19430</a>] -         Remove the SettableTimestamp and SettableSequenceId
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19439'>HBASE-19439</a>] -         Mark ShortCircuitMasterConnection  with InterfaceAudience Private
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19462'>HBASE-19462</a>] -         Deprecate all addImmutable methods in Put
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19468'>HBASE-19468</a>] -         FNFE during scans and flushes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19474'>HBASE-19474</a>] -         Bring down number of Checkstyle errors in hbase-zookeeper
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19479'>HBASE-19479</a>] -         Fix Checkstyle error in hbase-shell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19480'>HBASE-19480</a>] -         Enable Checkstyle in hbase-annotations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19481'>HBASE-19481</a>] -         Enable Checkstyle in hbase-error-prone
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19494'>HBASE-19494</a>] -         Create simple WALKey filter that can be plugged in on the Replication Sink
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19497'>HBASE-19497</a>] -         Fix findbugs and error-prone warnings in hbase-common (branch-2)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19498'>HBASE-19498</a>] -         Fix findbugs and error-prone warnings in hbase-client (branch-2)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19501'>HBASE-19501</a>] -         [AMv2] Retain assignment across restarts
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19502'>HBASE-19502</a>] -         Make sure we have closed all StoreFileScanners if we fail to open any StoreFileScanners
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19505'>HBASE-19505</a>] -         Disable ByteBufferPool by default at HM
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19527'>HBASE-19527</a>] -         Make ExecutorService threads daemon=true.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19538'>HBASE-19538</a>] -         Remove unnecessary semicolons in hbase-client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19539'>HBASE-19539</a>] -         Remove unnecessary semicolons in hbase-common
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19554'>HBASE-19554</a>] -         AbstractTestDLS.testThreeRSAbort sometimes fails in pre commit
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19556'>HBASE-19556</a>] -         Remove TestAssignmentManager#testGoodSplit, which no longer make sense
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19566'>HBASE-19566</a>] -         Fix Checkstyle errors in hbase-client-project
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19567'>HBASE-19567</a>] -         ClassNotFoundException: org.apache.hadoop.hbase.KeyValue$RawBytesComparator starting 2.0.0 over a 0.98.25 data.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19575'>HBASE-19575</a>] -         add copy constructor to Mutation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19581'>HBASE-19581</a>] -         Fix Checkstyle error in hbase-external-blockcache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19591'>HBASE-19591</a>] -         Cleanup the usage of ReplicationAdmin from hbase-shell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19602'>HBASE-19602</a>] -         Cleanup the usage of ReplicationAdmin from document
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19604'>HBASE-19604</a>] -         Fix Checkstyle errors in hbase-protocol-shaded
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19605'>HBASE-19605</a>] -         Fix Checkstyle errors in hbase-metrics-api
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19609'>HBASE-19609</a>] -         Fix Checkstyle errors in hbase-metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19626'>HBASE-19626</a>] -         Rename Cell.DataType to Cell.Type
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19628'>HBASE-19628</a>] -         ByteBufferCell should extend ExtendedCell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19629'>HBASE-19629</a>] -         RawCell#getTags should return the Iterator&lt;Tag&gt; in order to avoid iterating through whole tag array at once
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19648'>HBASE-19648</a>] -         Move branch-2 version from 2.0.0-beta-1-SNAPSHOT to 2.0.0-beta-1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19653'>HBASE-19653</a>] -         Reduce the default hbase.client.start.log.errors.counter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19660'>HBASE-19660</a>] -         Up default retries from 10 to 15 and blocking store files limit from 10 to 16
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19667'>HBASE-19667</a>] -         Get rid of MasterEnvironment#supportGroupCPs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19670'>HBASE-19670</a>] -         Workaround: Purge User API building from branch-2 so can make a beta-1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19725'>HBASE-19725</a>] -         Build fails, unable to read hbase/checkstyle-suppressions.xml &quot;invalid distance too far back&quot;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19731'>HBASE-19731</a>] -         TestFromClientSide#testCheckAndDeleteWithCompareOp and testNullQualifier are flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19743'>HBASE-19743</a>] -         Disable TestMemstoreLABWithoutPool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19746'>HBASE-19746</a>] -         Add default impl to Cell#getType
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19772'>HBASE-19772</a>] -         Do not close connection to zk when there are still pending request in ReadOnlyZKClient
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19779'>HBASE-19779</a>] -         The chunk encountering the OOM will store in ChunkCreator forever
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19786'>HBASE-19786</a>] -         acl table is created by coprocessor inside Master start procedure; broke TestJMXConnectorServer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19787'>HBASE-19787</a>] -         Fix or disable tests broken in branch-2 so can cut beta-1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19791'>HBASE-19791</a>] -         TestZKAsyncRegistry hangs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19793'>HBASE-19793</a>] -         Minor improvements on Master/RS startup
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19795'>HBASE-19795</a>] -         Move the tests which only need zookeeper in TestZooKeeper to hbase-zookeeper module
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19803'>HBASE-19803</a>] -         False positive for the HBASE-Find-Flaky-Tests job
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19809'>HBASE-19809</a>] -         Fix findbugs and error-prone warnings in hbase-procedure (branch-2)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19810'>HBASE-19810</a>] -         Fix findbugs and error-prone warnings in hbase-metrics (branch-2)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19811'>HBASE-19811</a>] -         Fix findbugs and error-prone warnings in hbase-server (branch-2)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19827'>HBASE-19827</a>] -         Addendum for Flakey TestAssignmentManager
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19834'>HBASE-19834</a>] -         Signalling server-hosted-clients to abort retries
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19837'>HBASE-19837</a>] -         Flakey TestRegionLoad
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19839'>HBASE-19839</a>] -         Flakey TestMergeTableRegionsProcedure &amp; TestSplitTableRegionProcedure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19840'>HBASE-19840</a>] -         Flakey TestMetaWithReplicas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19841'>HBASE-19841</a>] -         Tests against hadoop3 fail with StreamLacksCapabilityException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19845'>HBASE-19845</a>] -         Fix findbugs and error-prone warnings in hbase-rsgroup (branch-2)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19846'>HBASE-19846</a>] -         Fix findbugs and error-prone warnings in hbase-rest (branch-2)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19847'>HBASE-19847</a>] -         Fix findbugs and error-prone warnings in hbase-thrift (branch-2)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19862'>HBASE-19862</a>] -         Fix TestTokenAuthentication - fake RegionCoprocessorEnvironment is not of type HasRegionServerServices
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19866'>HBASE-19866</a>] -         TestRegionServerReportForDuty doesn&#39;t timeout
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19867'>HBASE-19867</a>] -         Split TestStochasticLoadBalancer into several small tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19868'>HBASE-19868</a>] -         TestCoprocessorWhitelistMasterObserver is flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19870'>HBASE-19870</a>] -         Fix the NPE in ReadOnlyZKClient#run
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19873'>HBASE-19873</a>] -         Add a CategoryBasedTimeout ClassRule for all UTs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19877'>HBASE-19877</a>] -         hbase-common and hbase-zookeeper don&#39;t add the log4j.properties to the resource path for testing
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19879'>HBASE-19879</a>] -         Promote TestAcidGuaranteesXXX to LargeTests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19880'>HBASE-19880</a>] -         Promote TestFuzzyRowFilterEndToEnd to LargeTests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19881'>HBASE-19881</a>] -         Promote TestRegionReplicaReplicationEndpoint to LargeTests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19882'>HBASE-19882</a>] -         Promote TestProcedureManager to MediumTests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19885'>HBASE-19885</a>] -         Promote TestAssignmentManager to LargeTests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19887'>HBASE-19887</a>] -         Do not overwrite the surefire junit listener property in the pom of sub modules
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19891'>HBASE-19891</a>] -         Up nightly test run timeout from 6 hours to 8
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19895'>HBASE-19895</a>] -         Add keepDeletedCells option in ScanOptions for customizing scanInfo in pre-hooks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19896'>HBASE-19896</a>] -         Fix ScanInfo.customize() to update only the requested options
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19903'>HBASE-19903</a>] -         Split TestShell so it will not time out
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19908'>HBASE-19908</a>] -         TestCoprocessorShortCircuitRPC Timeout....
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19909'>HBASE-19909</a>] -         TestRegionLocationFinder Timeout
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19910'>HBASE-19910</a>] -         TestBucketCache TimesOut
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19911'>HBASE-19911</a>] -         Convert some tests from small to medium because they are timing out: TestNettyRpcServer, TestClientClusterStatus, TestCheckTestClasses
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19913'>HBASE-19913</a>] -         Split TestStochasticLoadBalancer2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19914'>HBASE-19914</a>] -         Refactor TestVisibilityLabelsOnNewVersionBehaviorTable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19916'>HBASE-19916</a>] -         TestCacheOnWrite Times Out
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19918'>HBASE-19918</a>] -         Promote TestAsyncClusterAdminApi to LargeTests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19927'>HBASE-19927</a>] -         TestFullLogReconstruction flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19928'>HBASE-19928</a>] -         TestVisibilityLabelsOnNewVersionBehaviorTable fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19931'>HBASE-19931</a>] -         TestMetaWithReplicas failing 100% of the time in testHBaseFsckWithMetaReplicas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19940'>HBASE-19940</a>] -         TestMetaShutdownHandler flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19942'>HBASE-19942</a>] -         Fix flaky TestSimpleRpcScheduler
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19944'>HBASE-19944</a>] -         Fix timeout TestVisibilityLabelsWithCustomVisLabService
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19951'>HBASE-19951</a>] -         Cleanup the explicit timeout value for test method
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19956'>HBASE-19956</a>] -         Remove category as a consideration timing out tests; set all test to timeout at 10minutes regardless
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19960'>HBASE-19960</a>] -         Doc test timeouts and test categories in hbase2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19965'>HBASE-19965</a>] -         Fix flaky TestAsyncRegionAdminApi
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19978'>HBASE-19978</a>] -         The keepalive logic is incomplete in ProcedureExecutor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20000'>HBASE-20000</a>] -         Remove the quantum logic in FairQueue, always put high priority queue in front
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20002'>HBASE-20002</a>] -         Reserve worker thread in ProcedureExecutor for high priority procedures
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20011'>HBASE-20011</a>] -         Disable TestRestoreSnapshotFromClientWithRegionReplicas; it is flakey. Needs attention.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20013'>HBASE-20013</a>] -         TestZKPermissionWatcher is flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20014'>HBASE-20014</a>] -         TestAdmin1 Times out
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20015'>HBASE-20015</a>] -         TestMergeTableRegionsProcedure and TestRegionMergeTransactionOnCluster flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20019'>HBASE-20019</a>] -         Document the ColumnValueFilter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20021'>HBASE-20021</a>] -         TestFromClientSideWithCoprocessor is flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20029'>HBASE-20029</a>] -         @Ignore TestQuotaThrottle and TestReplicasClient#testCancelOfMultiGet
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20035'>HBASE-20035</a>] -         .TestQuotaStatusRPCs.testQuotaStatusFromMaster failed with NPEs and RuntimeExceptions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20036'>HBASE-20036</a>] -         TestAvoidCellReferencesIntoShippedBlocks timed out
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20038'>HBASE-20038</a>] -         TestLockProcedure.testTimeout is flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20039'>HBASE-20039</a>] -         move testhbasetestingutility mr tests to hbase-mapreduce
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20041'>HBASE-20041</a>] -         cannot start mini mapreduce cluster for ITs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20044'>HBASE-20044</a>] -         TestClientClusterStatus is flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20048'>HBASE-20048</a>] -         Revert serial replication feature
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20059'>HBASE-20059</a>] -         Make sure documentation is updated for the offheap Bucket cache usage
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20069'>HBASE-20069</a>] -         fix existing findbugs errors in hbase-server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20083'>HBASE-20083</a>] -         Fix findbugs error for ReplicationSyncUp
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20100'>HBASE-20100</a>] -         TestEnableTableProcedure flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20113'>HBASE-20113</a>] -         Move branch-2 version from 2.0.0-beta-2-SNAPSHOT to 2.0.0-beta-2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20131'>HBASE-20131</a>] -         NPE in MoveRegionProcedure via IntegrationTestLoadAndVerify with CM
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20142'>HBASE-20142</a>] -         Copy master doc into branch-2 and edit to make it suit 2.0.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20149'>HBASE-20149</a>] -         Purge dev javadoc from bin tarball (or make a separate tarball of javadoc)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20173'>HBASE-20173</a>] -         [AMv2] DisableTableProcedure concurrent to ServerCrashProcedure can deadlock
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20178'>HBASE-20178</a>] -         [AMv2] Throw exception if hostile environment
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20180'>HBASE-20180</a>] -         Avoid Class::newInstance
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20190'>HBASE-20190</a>] -         Fix default for MIGRATE_TABLE_STATE_FROM_ZK_KEY
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20202'>HBASE-20202</a>] -         [AMv2] Don&#39;t move region if its a split parent or offlined
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20232'>HBASE-20232</a>] -         [LOGGING] Formatting around close and flush
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20240'>HBASE-20240</a>] -         CLONE - Add Per-Table metrics back
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20241'>HBASE-20241</a>] -         splitormerge_enabled does not work
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20245'>HBASE-20245</a>] -         HTrace commands do not work
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20247'>HBASE-20247</a>] -         Set version as 2.0.0 in branch-2.0 in prep for first RC
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20248'>HBASE-20248</a>] -         [ITBLL] UNREFERENCED rows
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20253'>HBASE-20253</a>] -         Error message is missing for restore_snapshot
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20254'>HBASE-20254</a>] -         Incorrect help message for merge_region
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20258'>HBASE-20258</a>] -         Shell hangs when scanning a disabled table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20276'>HBASE-20276</a>] -         [shell] Revert shell REPL change and document
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20287'>HBASE-20287</a>] -         After cluster startup list_regions command fails on disabled table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20298'>HBASE-20298</a>] -         Doc change in read/write/total accounting metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20319'>HBASE-20319</a>] -         Run a check that branch-2.0 has all it needs from branch-2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20337'>HBASE-20337</a>] -         Update the doc on how to setup shortcircuit reads; its stale
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20347'>HBASE-20347</a>] -         [DOC] upgrade section should warn about logging changes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20349'>HBASE-20349</a>] -         [DOC] upgrade guide should call out removal of prefix-tree data block encoding
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20354'>HBASE-20354</a>] -         [DOC] quickstart guide needs to include note about durability checks for standalone mode
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20380'>HBASE-20380</a>] -         Put up 2.0.0RC0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20454'>HBASE-20454</a>] -         [DOC] Add note on perf to upgrade section
</li>
</ul>
            
<h2>        Bug
</h2>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-1989'>HBASE-1989</a>] -         Admin (et al.) not accurate with Column vs. Column-Family usage
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-4072'>HBASE-4072</a>] -         Deprecate/disable and remove support for reading ZooKeeper zoo.cfg files from the classpath
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-5401'>HBASE-5401</a>] -         PerformanceEvaluation generates 10x the number of expected mappers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-5878'>HBASE-5878</a>] -         Use getVisibleLength public api from HdfsDataInputStream from Hadoop-2.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-6416'>HBASE-6416</a>] -         hbck dies on NPE when a region folder exists but the table does not
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-6778'>HBASE-6778</a>] -         Deprecate Chore; its a thread per task when we should have one thread to do all tasks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-7326'>HBASE-7326</a>] -         SortedCopyOnWriteSet is not thread safe due to leaked TreeSet implementations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-7332'>HBASE-7332</a>] -         [webui] HMaster webui should display the number of regions a table has.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-7621'>HBASE-7621</a>] -         REST client (RemoteHTable) doesn&#39;t support binary row keys
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-8028'>HBASE-8028</a>] -         Append, Increment: Adding rollback support
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-8473'>HBASE-8473</a>] -         add note to ref guide about snapshots and ec2 reverse dns requirements.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-8674'>HBASE-8674</a>] -         JUnit and Surefire TRUNK-HBASE-2 plugins need a new home
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-8725'>HBASE-8725</a>] -         Add total time RPC call metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-8758'>HBASE-8758</a>] -         Error in RegionCoprocessorHost class preScanner method documentation.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-8942'>HBASE-8942</a>] -         DFS errors during a read operation (get/scan), may cause write outliers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-9393'>HBASE-9393</a>] -         Region Server fails to properly close socket resulting in many CLOSE_WAIT to Data Nodes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-9702'>HBASE-9702</a>] -         Change unittests that use &quot;table&quot; or &quot;testtable&quot; to use method names.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-9763'>HBASE-9763</a>] -         Scan javadoc doesn&#39;t fully capture semantics of start and stop row
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-10728'>HBASE-10728</a>] -         get_counter value is never used.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-10844'>HBASE-10844</a>] -         Coprocessor failure during batchmutation leaves the memstore datastructs in an inconsistent state
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11153'>HBASE-11153</a>] -         Document that http webUI&#39;s should redirect to https when enabled
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11316'>HBASE-11316</a>] -         Expand info about compactions beyond HBASE-11120
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11333'>HBASE-11333</a>] -         Remove deprecated class MetaMigrationConvertingToPB
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11409'>HBASE-11409</a>] -         Add more flexibility for input directory structure to LoadIncrementalHFiles
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11499'>HBASE-11499</a>] -         AsyncProcess.buildDetailedErrorMessage concatenates strings using + in a loop
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11500'>HBASE-11500</a>] -         Possible null pointer dereference of regionLocation in ReversedScannerCallable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11521'>HBASE-11521</a>] -         Modify pom.xml to copy the images/ and css/ directories to the right location for the Ref Guide to see them correctly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11522'>HBASE-11522</a>] -         Move Replication information into the Ref Guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11529'>HBASE-11529</a>] -         Images and CSS still don&#39;t work properly on both html and html-single book
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11539'>HBASE-11539</a>] -         Expand info about contributing to and building documentation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11542'>HBASE-11542</a>] -         Unit Test  KeyStoreTestUtil.java compilation failure in IBM JDK 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11544'>HBASE-11544</a>] -         [Ergonomics] hbase.client.scanner.caching is dogged and will try to return batch even if it means OOME
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11556'>HBASE-11556</a>] -         Move HTablePool to hbase-thrift module.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11560'>HBASE-11560</a>] -         hbase.regionserver.global.memstore.size is documented twice
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11625'>HBASE-11625</a>] -         Reading datablock throws &quot;Invalid HFile block magic&quot; and can not switch to hdfs checksum 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11629'>HBASE-11629</a>] -         Operational concerns for Replication should call out ZooKeeper
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11640'>HBASE-11640</a>] -         Add syntax highlighting support to HBase Ref Guide programlistings
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11648'>HBASE-11648</a>] -         Typo of config: hbase.hstore.compaction.ratio in book.xml
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11658'>HBASE-11658</a>] -         Piped commands to hbase shell should return non-zero if shell command failed.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11661'>HBASE-11661</a>] -         Quickstart chapter claims standalone mode has multiple processes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11665'>HBASE-11665</a>] -         TestRegionReplicas doesn&#39;t work for me
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11689'>HBASE-11689</a>] -         Track meta in transition
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11711'>HBASE-11711</a>] -         In some environment HBase MiniCluster fails to load because Master info port clobbering
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11721'>HBASE-11721</a>] -         jdiff script no longer works as usage instructions indicate
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11732'>HBASE-11732</a>] -         Should not preemptively offline a region
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11830'>HBASE-11830</a>] -         TestReplicationThrottler.testThrottling failed on virtual boxes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11834'>HBASE-11834</a>] -         TestHRegionBusyWait.testParallelAppendWithMemStoreFlush fails sporadically
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11850'>HBASE-11850</a>] -         RpcClient can get stuck when closing
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11855'>HBASE-11855</a>] -         HBase handbook chapter 18.9 out of date
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11957'>HBASE-11957</a>] -         Backport to 0.94 HBASE-5974 Scanner retry behavior with RPC timeout on next() seems incorrect
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11968'>HBASE-11968</a>] -         If MOB is enabled, it should make sure hfile v3 is being used.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11983'>HBASE-11983</a>] -         HRegion constructors should not create HLog 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11987'>HBASE-11987</a>] -         Make zk-less table states backward compatible.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11998'>HBASE-11998</a>] -         Document a workflow for cherry-picking a fix to a different branch
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12005'>HBASE-12005</a>] -         Split/merge fails if master restarts before PONR
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12006'>HBASE-12006</a>] -         [JDK 8] KeyStoreTestUtil#generateCertificate fails due to &quot;subject class type invalid&quot;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12027'>HBASE-12027</a>] -         The ZooKeeperWatcher in HMobStore only uses the default conf
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12030'>HBASE-12030</a>] -         Wrong compaction report and assert when MOB compaction switches to minor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12073'>HBASE-12073</a>] -         Shell command user_permission fails on the table created by user if he is not global admin.   
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12088'>HBASE-12088</a>] -         Remove un-used profiles in non-root poms
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12091'>HBASE-12091</a>] -         Optionally ignore edits for dropped tables for replication.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12102'>HBASE-12102</a>] -         Duplicate keys in HBase.RegionServer metrics JSON
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12172'>HBASE-12172</a>] -         Disable flakey TestRegionReplicaReplicationEndpoint and make fixing it a blocker on 1.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12186'>HBASE-12186</a>] -         Formatting error in Table 8.2. Examples of Visibility Expressions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12192'>HBASE-12192</a>] -         Remove EventHandlerListener
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12193'>HBASE-12193</a>] -         Add missing docbook file to git
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12201'>HBASE-12201</a>] -         Close the writers in the MOB sweep tool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12216'>HBASE-12216</a>] -         Lower closed region logging level
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12283'>HBASE-12283</a>] -         Clean up some checkstyle errors
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12307'>HBASE-12307</a>] -         Remove unused Imports in hbase-client and hbase-common
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12326'>HBASE-12326</a>] -         Document scanner timeout workarounds in troubleshooting section
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12347'>HBASE-12347</a>] -         Fix the edge case where Hadoop QA&#39;s parsing of attached patches breaks the JIRA status checker in dev-support/rebase_all_git_branches.sh
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12380'>HBASE-12380</a>] -         TestRegionServerNoMaster#testMultipleOpen is flaky after HBASE-11760
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12397'>HBASE-12397</a>] -         CopyTable fails to compile with the Hadoop 1 profile
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12409'>HBASE-12409</a>] -         Add actual tunable parameters for finding optimal # of regions per RS
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12412'>HBASE-12412</a>] -         update the ref guide(currently Example 10.2) to show &quot;update an existing CF&quot; with the new API modifyFamily in master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12413'>HBASE-12413</a>] -         Mismatch in the equals and hashcode methods of KeyValue
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12418'>HBASE-12418</a>] -         Multiple branches for MOB feature breaking git for case insensitive filesystems
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12421'>HBASE-12421</a>] -         Clarify ACL concepts and best practices
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12444'>HBASE-12444</a>] -         Total number of requests overflow because it&#39;s int
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12468'>HBASE-12468</a>] -         AUTHORIZATIONS should be part of Visibility Label Docs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12474'>HBASE-12474</a>] -         Incorrect handling of default namespace in user_permission command.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12488'>HBASE-12488</a>] -         Small bug in publish_hbase_website.sh script
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12532'>HBASE-12532</a>] -         TestFilter failing occasionally with ExitCodeException doing chmod since HBASE-10378
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12535'>HBASE-12535</a>] -         NPE in WALFactory close under contention for getInstance
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12540'>HBASE-12540</a>] -         TestRegionServerMetrics#testMobMetrics test failure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12542'>HBASE-12542</a>] -         Delete a family of table online will crash regionserver 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12548'>HBASE-12548</a>] -         Improve debuggability of IntegrationTestTimeBoundedRequestsWithRegionReplicas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12552'>HBASE-12552</a>] -         listSnapshots should list only owned snapshots for non-super user
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12553'>HBASE-12553</a>] -         request value is not consistent for restoreSnapshot in audit logs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12558'>HBASE-12558</a>] -         Disable TestHCM.testClusterStatus Unexpected exception, expected&lt;org.apache.hadoop.hbase.regionserver.RegionServerStoppedException&gt; but was&lt;junit.framework.AssertionFailedError&gt;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12563'>HBASE-12563</a>] -         After Starting up mini hbase cluster, Real Configuration of Cluster never set to HBaseTestingUtility 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12603'>HBASE-12603</a>] -         Remove javadoc warnings introduced due to removal of unused imports
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12612'>HBASE-12612</a>] -         WALFactory use in upgrade path must clean up properly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12615'>HBASE-12615</a>] -         Document GC conserving guidelines for contributors
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12628'>HBASE-12628</a>] -         Update instructions for running shell tests using maven.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12656'>HBASE-12656</a>] -         TestVisibilityLabelsWithDeletes is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12677'>HBASE-12677</a>] -         Update replication docs to clarify terminology
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12682'>HBASE-12682</a>] -         compaction thread throttle value is not correct in hbase-default.xml
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12687'>HBASE-12687</a>] -         Book is missing styling
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12688'>HBASE-12688</a>] -         Update site with a bootstrap-based UI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12690'>HBASE-12690</a>] -         list_quotas command is failing with not able to load Java class
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12693'>HBASE-12693</a>] -         [docs] nit fix in HBase and MapReduce section
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12703'>HBASE-12703</a>] -         Cleanup TestClientPushback for repeatability
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12717'>HBASE-12717</a>] -         Pre-split algorithm in HBaseAdmin.create() can not find the split point
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12723'>HBASE-12723</a>] -         Update ACL matrix to reflect reality
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12734'>HBASE-12734</a>] -         TestPerColumnFamilyFlush.testCompareStoreFileCount is flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12743'>HBASE-12743</a>] -         [ITBLL] Master fails rejoining cluster stuck splitting logs; Distributed log replay=true
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12749'>HBASE-12749</a>] -         Tighten HFileLink api to enable non-snapshot uses
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12751'>HBASE-12751</a>] -         Allow RowLock to be reader writer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12772'>HBASE-12772</a>] -         TestPerColumnFamilyFlush failing
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12775'>HBASE-12775</a>] -         CompressionTest ate my HFile (sigh!)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12777'>HBASE-12777</a>] -         Multi-page book has broken links that work in the single-page version
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12838'>HBASE-12838</a>] -         After HBASE-5162 RSRpcServices accidentally applies mutations twice
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12845'>HBASE-12845</a>] -         ByteBufferOutputStream should grow as direct buffer if the initial buffer is also direct BB
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12849'>HBASE-12849</a>] -         LoadIncrementalHFiles should use unmanaged connection in branch-1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12858'>HBASE-12858</a>] -         Remove unneeded files under src/main/docbkx
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12865'>HBASE-12865</a>] -         WALs may be deleted before they are replicated to peers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12867'>HBASE-12867</a>] -         Shell does not support custom replication endpoint specification
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12871'>HBASE-12871</a>] -         Document JDK versions supported by each release missing in new documentation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12877'>HBASE-12877</a>] -         Hbase documentation- a referenced link is not working 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12902'>HBASE-12902</a>] -         Post-asciidoc conversion fix-ups
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12903'>HBASE-12903</a>] -         Fix configuration which enables secure bulk load
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12908'>HBASE-12908</a>] -         Typos in MemStoreFlusher javadocs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12920'>HBASE-12920</a>] -         hadoopqa should compile with different hadoop versions 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12922'>HBASE-12922</a>] -         Post-asciidoc conversion fix-ups part 2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12924'>HBASE-12924</a>] -         HRegionServer#MovedRegionsCleaner Chore does not start
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12931'>HBASE-12931</a>] -         The existing KeyValues in memstore are not removed completely after inserting cell into memStore 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12948'>HBASE-12948</a>] -         Calling Increment#addColumn on the same column multiple times produces wrong result 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12949'>HBASE-12949</a>] -         Scanner can be stuck in infinite loop if the HFile is corrupted
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12951'>HBASE-12951</a>] -         TestHCM.testConnectionClose is flakey when using AsyncRpcClient as client implementation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12953'>HBASE-12953</a>] -         RegionServer is not functionally working with AysncRpcClient in secure mode
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12954'>HBASE-12954</a>] -         Ability impaired using HBase on multihomed hosts
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12961'>HBASE-12961</a>] -         Negative values in read and write region server metrics 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12964'>HBASE-12964</a>] -         Add the ability for hbase-daemon.sh to start in the foreground
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12969'>HBASE-12969</a>] -         Parameter Validation is not there for shell script, local-master-backup.sh and local-regionservers.sh
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12983'>HBASE-12983</a>] -         HBase book mentions hadoop.ssl.enabled when it should be hbase.ssl.enabled
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12993'>HBASE-12993</a>] -         Use HBase 1.0 interfaces in hbase-thrift
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12999'>HBASE-12999</a>] -         Make foreground_start return the correct exit code
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13001'>HBASE-13001</a>] -         NullPointer in master logs for table.jsp
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13004'>HBASE-13004</a>] -         Make possible to explain why HBaseTestingUtility.waitFor fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13007'>HBASE-13007</a>] -         Fix the test timeouts being caused by ChoreService 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13011'>HBASE-13011</a>] -         TestLoadIncrementalHFiles is flakey when using AsyncRpcClient as client implementation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13023'>HBASE-13023</a>] -         Document multiWAL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13029'>HBASE-13029</a>] -         Table state should be deleted from META as a last operation in DeleteTableHandler
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13032'>HBASE-13032</a>] -         Migration of states should be performed once META is assigned and onlined.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13036'>HBASE-13036</a>] -         Meta scanner should use its own threadpool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13040'>HBASE-13040</a>] -         Possible failure of TestHMasterRPCException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13041'>HBASE-13041</a>] -         TestEnableTableHandler should not call AssignmentManager#assign concurrently with master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13047'>HBASE-13047</a>] -         Add &quot;HBase Configuration&quot; link missing on the table details pages
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13048'>HBASE-13048</a>] -         Use hbase.crypto.wal.algorithm in SecureProtobufLogReader while decrypting the data
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13049'>HBASE-13049</a>] -         wal_roll ruby command doesn&#39;t work. 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13050'>HBASE-13050</a>] -         Hbase shell create_namespace command throws ArrayIndexOutOfBoundException for (invalid) empty text input.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13052'>HBASE-13052</a>] -         Explain each region split policy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13055'>HBASE-13055</a>] -         HRegion FIXED_OVERHEAD missed one boolean
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13058'>HBASE-13058</a>] -         Hbase shell command &#39;scan&#39; for non existent table shows unnecessary info for one unrelated existent table.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13061'>HBASE-13061</a>] -         RegionStates can remove wrong region from server holdings
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13062'>HBASE-13062</a>] -         Add documentation coverage for configuring dns server with thrift and rest gateways
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13065'>HBASE-13065</a>] -         Increasing -Xmx when running TestDistributedLogSplitting
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13066'>HBASE-13066</a>] -         Fix typo in AsyncRpcChannel
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13069'>HBASE-13069</a>] -         Thrift Http Server returns an error code of 500 instead of 401 when authentication fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13070'>HBASE-13070</a>] -         Fix possibly zero length family and qualifier is TestCacheOnWrite
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13072'>HBASE-13072</a>] -         BucketCache.evictBlock returns true if block does not exist
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13075'>HBASE-13075</a>] -         TableInputFormatBase spuriously warning about multiple initializeTable calls
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13076'>HBASE-13076</a>] -         Table can be forcibly enabled in AssignmentManager during table disabling.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13077'>HBASE-13077</a>] -         BoundedCompletionService doesn&#39;t pass trace info to server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13081'>HBASE-13081</a>] -         Branch precommit builds are not updating to branch head before patch application
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13082'>HBASE-13082</a>] -         Coarsen StoreScanner locks to RegionScanner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13083'>HBASE-13083</a>] -         Master can be dead-locked while assigning META.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13084'>HBASE-13084</a>] -         Add labels to VisibilityLabelsCache asynchronously causes TestShell flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13085'>HBASE-13085</a>] -         Security issue in the implementation of Rest gataway &#39;doAs&#39; proxy user support
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13088'>HBASE-13088</a>] -         HBase native API was not released
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13091'>HBASE-13091</a>] -         Split ZK Quorum on Master WebUI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13093'>HBASE-13093</a>] -         Local mode HBase instance doesn&#39;t shut down.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13097'>HBASE-13097</a>] -         Use same EventLoopGroup for different AsyncRpcClients if possible
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13102'>HBASE-13102</a>] -         Fix Pseudo-distributed Mode which was broken in 1.0.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13111'>HBASE-13111</a>] -         truncate_preserve command is failing with undefined method error
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13112'>HBASE-13112</a>] -         quota.rb, security.rb and visibility_labels.rb leak connection
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13114'>HBASE-13114</a>] -         [UNITTEST] TestEnableTableHandler.testDeleteForSureClearsAllTableRowsFromMeta
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13115'>HBASE-13115</a>] -         Fix the usage of remote user in thrift doAs implementation.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13119'>HBASE-13119</a>] -         FileLink should implement equals
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13123'>HBASE-13123</a>] -         Minor bug in ROW bloom filter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13131'>HBASE-13131</a>] -         ReplicationAdmin leaks connections if there&#39;s an error in the constructor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13133'>HBASE-13133</a>] -         NPE when running TestSplitLogManager
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13134'>HBASE-13134</a>] -         mutateRow and checkAndMutate apis don&#39;t throw region level exceptions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13135'>HBASE-13135</a>] -         Move replication ops mgmt stuff from Javadoc to Ref Guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13136'>HBASE-13136</a>] -         TestSplitLogManager.testGetPreviousRecoveryMode is flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13139'>HBASE-13139</a>] -         Clean up missing JAVA_HOME message in bin/hbase-config.sh
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13141'>HBASE-13141</a>] -         IntegrationTestAcidGuarantees returns incorrect values for getColumnFamilies
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13143'>HBASE-13143</a>] -         TestCacheOnWrite is flaky and needs a diet
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13145'>HBASE-13145</a>] -         TestNamespaceAuditor.testRegionMerge is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13146'>HBASE-13146</a>] -         Race Condition in ScheduledChore and ChoreService
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13149'>HBASE-13149</a>] -         HBase MR is broken on Hadoop 2.5+ Yarn
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13150'>HBASE-13150</a>] -         TestMasterObserver failing disable table at end of test
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13155'>HBASE-13155</a>] -         Fix TestPrefixTree
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13156'>HBASE-13156</a>] -         Fix minor rat violation recently introduced (asciidoctor.css).
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13163'>HBASE-13163</a>] -         Add HBase version to header and footer of HTML and PDF docs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13165'>HBASE-13165</a>] -         Fix docs and scripts for default max heaps size after HBASE-11804
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13167'>HBASE-13167</a>] -         The check for balancerCutoffTime is buggy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13174'>HBASE-13174</a>] -         Apply HBASE-11804 to Windows scripts
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13176'>HBASE-13176</a>] -         Flakey TestZooKeeper test.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13181'>HBASE-13181</a>] -         TestHRegionReplayEvents.testReplayBulkLoadEvent fails frequently.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13186'>HBASE-13186</a>] -         HBase build error due to checkstyle
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13188'>HBASE-13188</a>] -         java.lang.ArithmeticException issue in BoundedByteBufferPool.putBuffer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13191'>HBASE-13191</a>] -         mvn site fails on jenkins due to permgen
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13192'>HBASE-13192</a>] -         IntegrationTestBulkLoad doesn&#39;t wait for table modification sometimes leading to spurious test failures
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13193'>HBASE-13193</a>] -         RegionScannerImpl filters should not be reset if a partial Result is returned
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13194'>HBASE-13194</a>] -         TableNamespaceManager not ready cause MasterQuotaManager initialization fail 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13196'>HBASE-13196</a>] -         Add info about default number of versions when using the export tool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13200'>HBASE-13200</a>] -         Improper configuration can leads to endless lease recovery during failover
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13206'>HBASE-13206</a>] -         Fix TableLock tableName log format
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13208'>HBASE-13208</a>] -         Patch build should match the patch filename and not the whole relative URL in findBranchNameFromPatchName
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13217'>HBASE-13217</a>] -         Procedure fails due to ZK issue
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13218'>HBASE-13218</a>] -         Correct the syntax shown for using ExportSnapshot tool in the book
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13220'>HBASE-13220</a>] -         set_quota should fail for non-existing table and namespace
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13221'>HBASE-13221</a>] -         HDFS Transparent Encryption breaks WAL writing in Hadoop 2.6.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13224'>HBASE-13224</a>] -         Minor formatting issue when logging a namespace scope in AuthResult#toContextString
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13227'>HBASE-13227</a>] -         LoadIncrementalHFile should skip non-files inside a possible family-dir
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13229'>HBASE-13229</a>] -         Specify bash for local-regionservers.sh and local-master-backup.sh
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13232'>HBASE-13232</a>] -         ConnectionManger : Batch pool threads and metaLookup pool threads should use different name pattern
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13239'>HBASE-13239</a>] -         HBase grant at specific column level does not work for Groups 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13242'>HBASE-13242</a>] -         TestPerColumnFamilyFlush.testFlushingWhenLogRolling hung
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13246'>HBASE-13246</a>] -         Correct the assertion for namespace permissions in tearDown method of TestAccessController
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13250'>HBASE-13250</a>] -         chown of ExportSnapshot does not cover all path and files
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13253'>HBASE-13253</a>] -         LoadIncrementalHFiles unify hfiles discovery
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13254'>HBASE-13254</a>] -         EnableTableHandler#prepare would not throw TableNotFoundException during recovery
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13262'>HBASE-13262</a>] -         ResultScanner doesn&#39;t return all rows in Scan
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13265'>HBASE-13265</a>] -         Make thrift2 usable from c++
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13273'>HBASE-13273</a>] -         Make Result.EMPTY_RESULT read-only; currently it can be modified
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13274'>HBASE-13274</a>] -         Fix misplaced deprecation in Delete#addXYZ
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13275'>HBASE-13275</a>] -         Setting hbase.security.authorization to false does not disable authorization
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13279'>HBASE-13279</a>] -         Add src/main/asciidoc/asciidoctor.css to RAT exclusion list in POM
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13281'>HBASE-13281</a>] -         &#39;hbase.bucketcache.size&#39; description in hbase book is not correct
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13282'>HBASE-13282</a>] -         Fix the minor issues of running Canary on kerberized environment
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13285'>HBASE-13285</a>] -         Fix flaky getRegions() in TestAccessController.setUp()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13288'>HBASE-13288</a>] -         Fix naming of parameter in Delete constructor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13289'>HBASE-13289</a>] -         typo in splitSuccessCount  metric
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13294'>HBASE-13294</a>] -         Fix the critical ancient loopholes in security testing infrastructure.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13295'>HBASE-13295</a>] -         TestInfoServers hang
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13296'>HBASE-13296</a>] -         Fix the deletion of acl notify nodes for namespace.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13298'>HBASE-13298</a>] -         Clarify if Table.{set|get}WriteBufferSize() is deprecated or not
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13299'>HBASE-13299</a>] -         Add setReturnResults() to Increment, like Append has
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13300'>HBASE-13300</a>] -         Fix casing in getTimeStamp() and setTimestamp() for Mutations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13301'>HBASE-13301</a>] -         Possible memory leak in BucketCache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13305'>HBASE-13305</a>] -         Get(Get get) is not copying the row key
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13308'>HBASE-13308</a>] -         Fix flaky TestEndToEndSplitTransaction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13309'>HBASE-13309</a>] -         Some tests do not reset EnvironmentEdgeManager
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13311'>HBASE-13311</a>] -         TestQuotaThrottle flaky on slow machine
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13312'>HBASE-13312</a>] -         SmallScannerCallable does not increment scan metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13314'>HBASE-13314</a>] -         Fix NPE in HMaster.getClusterStatus()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13315'>HBASE-13315</a>] -         BufferedMutator should be @InterfaceAudience.Public
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13317'>HBASE-13317</a>] -         Region server reportForDuty stuck looping if there is a master change
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13318'>HBASE-13318</a>] -         RpcServer.getListenerAddress should handle when the accept channel is closed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13320'>HBASE-13320</a>] -         &#39;hbase.bucketcache.size&#39; configuration value is not correct in hbase-default.xml 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13321'>HBASE-13321</a>] -         Fix flaky TestHBaseFsck
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13324'>HBASE-13324</a>] -         o.a.h.h.Coprocessor should be LimitedPrivate(&quot;Coprocessor&quot;)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13325'>HBASE-13325</a>] -         Protocol Buffers 2.5 no longer available for download on code.google.com
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13326'>HBASE-13326</a>] -         Disabled table can&#39;t be enabled after HBase is restarted
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13328'>HBASE-13328</a>] -         LoadIncrementalHFile.doBulkLoad(Path,HTable) should handle managed connections
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13329'>HBASE-13329</a>] -         ArrayIndexOutOfBoundsException in CellComparator#getMinimumMidpointArray
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13331'>HBASE-13331</a>] -         Exceptions from DFS client can cause CatalogJanitor to delete referenced files
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13333'>HBASE-13333</a>] -         Renew Scanner Lease without advancing the RegionScanner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13337'>HBASE-13337</a>] -         Table regions are not assigning back, after restarting all regionservers at once.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13339'>HBASE-13339</a>] -         Update default Hadoop version to latest for master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13346'>HBASE-13346</a>] -         Clean up Filter package for post 1.0 s/KeyValue/Cell/g
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13352'>HBASE-13352</a>] -         Add hbase.import.version to Import usage.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13355'>HBASE-13355</a>] -         QA bot reports checking javac twice
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13357'>HBASE-13357</a>] -         If maxTables/maxRegions exceeds quota in a namespace, throw QuotaExceededException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13359'>HBASE-13359</a>] -         Update ACL matrix to include table owner.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13364'>HBASE-13364</a>] -         Make using the default javac on by default
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13368'>HBASE-13368</a>] -         Hash.java is declared as public Interface - but it should be Private
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13371'>HBASE-13371</a>] -         Fix typo in TestAsyncIPC
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13374'>HBASE-13374</a>] -         Small scanners (with particular configurations) do not return all rows
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13377'>HBASE-13377</a>] -         Canary may generate false alarm on the first region when there are many delete markers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13382'>HBASE-13382</a>] -         IntegrationTestBigLinkedList should use SecureRandom
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13383'>HBASE-13383</a>] -         TestRegionServerObserver.testCoprocessorHooksInRegionsMerge zombie after HBASE-12975
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13384'>HBASE-13384</a>] -         Fix Javadoc warnings introduced by HBASE-12972
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13385'>HBASE-13385</a>] -         TestGenerateDelegationToken is broken with hadoop 2.8.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13388'>HBASE-13388</a>] -         Handling NullPointer in ZKProcedureMemberRpcs while getting ZNode data
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13394'>HBASE-13394</a>] -         Failed to recreate a table when quota is enabled
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13397'>HBASE-13397</a>] -         Purge duplicate rpc request thread local
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13406'>HBASE-13406</a>] -         TestAccessController is flaky when create is slow
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13409'>HBASE-13409</a>] -         Add categories to uncategorized tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13410'>HBASE-13410</a>] -         Bug in KeyValueUtil.oswrite() for non Keyvalue cases
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13411'>HBASE-13411</a>] -         Misleading error message when request size quota limit exceeds
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13414'>HBASE-13414</a>] -         TestHCM no longer needs to test for JRE 6.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13417'>HBASE-13417</a>] -         batchCoprocessorService() does not handle NULL keys
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13423'>HBASE-13423</a>] -         Remove duplicate entry for hbase.regionserver.regionSplitLimit in hbase-default.xml
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13430'>HBASE-13430</a>] -         HFiles that are in use by a table cloned from a snapshot may be deleted when that snapshot is deleted
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13437'>HBASE-13437</a>] -         ThriftServer leaks ZooKeeper connections
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13457'>HBASE-13457</a>] -         SnapshotExistsException doesn&#39;t honor the DoNotRetry
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13460'>HBASE-13460</a>] -         Revise the MetaLookupPool executor-related defaults (introduced in HBASE-13036)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13471'>HBASE-13471</a>] -         Fix a possible infinite loop in doMiniBatchMutation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13473'>HBASE-13473</a>] -         deleted cells come back alive after the stripe compaction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13475'>HBASE-13475</a>] -         Small spelling mistake in region_mover#isSuccessfulScan causes NoMethodError
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13477'>HBASE-13477</a>] -         Create metrics on failed requests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13480'>HBASE-13480</a>] -         ShortCircuitConnection doesn&#39;t short-circuit all calls as expected
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13482'>HBASE-13482</a>] -         Phoenix is failing to scan tables on secure environments. 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13486'>HBASE-13486</a>] -         region_status.rb broken with NameError: uninitialized constant IOException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13490'>HBASE-13490</a>] -         foreground daemon start re-executes ulimit output
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13491'>HBASE-13491</a>] -         Issue in FuzzyRowFilter#getNextForFuzzyRule
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13499'>HBASE-13499</a>] -         AsyncRpcClient test cases failure in powerpc
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13517'>HBASE-13517</a>] -         Publish a client artifact with shaded dependencies
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13520'>HBASE-13520</a>] -         NullPointerException in TagRewriteCell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13523'>HBASE-13523</a>] -         API Doumentation formatting is broken
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13524'>HBASE-13524</a>] -         TestReplicationAdmin fails on JDK 1.8
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13526'>HBASE-13526</a>] -         TestRegionServerReportForDuty can be flaky: hang or timeout
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13527'>HBASE-13527</a>] -         The default value for hbase.client.scanner.max.result.size is never actually set on Scans
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13528'>HBASE-13528</a>] -         A bug on selecting compaction pool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13533'>HBASE-13533</a>] -         section on configuring ~/.m2/settings.xml has no anchor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13546'>HBASE-13546</a>] -         NPE on region server status page if all masters are down
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13555'>HBASE-13555</a>] -         StackServlet produces 500 error
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13556'>HBASE-13556</a>] -         In assignment, treat system tables as &#39;special&#39;; assign after hbase:meta and before user-space tables
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13560'>HBASE-13560</a>] -         Large compaction queue should steal from small compaction queue when idle
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13561'>HBASE-13561</a>] -         ITBLL.Verify doesn&#39;t actually evaluate counters after job completes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13564'>HBASE-13564</a>] -         Master MBeans are not published
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13575'>HBASE-13575</a>] -         TestChoreService has to make sure that the opened ChoreService is closed for each unit test
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13576'>HBASE-13576</a>] -         HBCK enhancement: Failure in checking one region should not fail the entire HBCK operation.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13577'>HBASE-13577</a>] -         Documentation is pointing to wrong port for Master Web UI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13580'>HBASE-13580</a>] -         region_mover.rb broken with TypeError: no public constructors for Java::OrgApacheHadoopHbaseClient::HTable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13585'>HBASE-13585</a>] -         HRegionFileSystem#splitStoreFile() finishes without closing the file handle in some situation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13589'>HBASE-13589</a>] -         [WINDOWS] hbase.cmd script is broken
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13594'>HBASE-13594</a>] -         MultiRowRangeFilter shouldn&#39;t call HBaseZeroCopyByteString.wrap() directly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13595'>HBASE-13595</a>] -         Fix Javadoc warn induced in Bytes.java
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13596'>HBASE-13596</a>] -         src assembly does not build
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13599'>HBASE-13599</a>] -         The Example Provided in Section 69: Examples of the Documentation Does Not Compile
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13600'>HBASE-13600</a>] -         check_compatibility.sh should ignore shaded jars
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13601'>HBASE-13601</a>] -         Connection leak during log splitting
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13604'>HBASE-13604</a>] -         bin/hbase mapredcp does not include yammer-metrics jar
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13606'>HBASE-13606</a>] -         AssignmentManager.assign() is not sync in both path
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13607'>HBASE-13607</a>] -         TestSplitLogManager.testGetPreviousRecoveryMode consistently failing
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13608'>HBASE-13608</a>] -         413 Error with Stargate through Knox, using AD, SPNEGO, and Pre-Auth
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13611'>HBASE-13611</a>] -         update clover to work for current versions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13612'>HBASE-13612</a>] -         TestRegionFavoredNodes doesn&#39;t guard against setup failure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13617'>HBASE-13617</a>] -         TestReplicaWithCluster.testChangeTable timeout
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13618'>HBASE-13618</a>] -         ReplicationSource is too eager to remove sinks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13625'>HBASE-13625</a>] -         Use HDFS for HFileOutputFormat2 partitioner&#39;s path
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13628'>HBASE-13628</a>] -         Use AtomicLong as size in BoundedConcurrentLinkedQueue
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13630'>HBASE-13630</a>] -         Remove dead code in BufferedDataEncoder
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13633'>HBASE-13633</a>] -         draining_servers.rb broken with NoMethodError: undefined method &#39;getServerInfo&#39;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13634'>HBASE-13634</a>] -         Avoid unsafe reference equality checks to EMPTY byte[]
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13635'>HBASE-13635</a>] -         Regions stuck in transition because master is incorrectly assumed dead
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13638'>HBASE-13638</a>] -         Put copy constructor is shallow
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13646'>HBASE-13646</a>] -         HRegion#execService should not try to build incomplete messages
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13647'>HBASE-13647</a>] -         Default value for hbase.client.operation.timeout is too high
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13648'>HBASE-13648</a>] -         test-patch.sh should ignore &#39;protobuf.generated&#39;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13649'>HBASE-13649</a>] -         CellComparator.compareTimestamps javadoc inconsistent and wrong
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13651'>HBASE-13651</a>] -         Handle StoreFileScanner FileNotFoundException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13653'>HBASE-13653</a>] -         Uninitialized HRegionServer#walFactory may result in NullPointerException at region server startup
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13661'>HBASE-13661</a>] -         Correct binary compatibility issues discovered in 1.1.0RC0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13662'>HBASE-13662</a>] -         RSRpcService.scan() throws an OutOfOrderScannerNext if the scan has a retriable failure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13663'>HBASE-13663</a>] -         HMaster fails to restart &#39;HMaster: Failed to become active master&#39;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13668'>HBASE-13668</a>] -         TestFlushRegionEntry is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13686'>HBASE-13686</a>] -         Fail to limit rate in RateLimiter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13693'>HBASE-13693</a>] -         [HBase MOB] Mob files are not encrypting.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13694'>HBASE-13694</a>] -         CallQueueSize is incorrectly decremented until the response is sent
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13699'>HBASE-13699</a>] -         Expand information about HBase quotas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13700'>HBASE-13700</a>] -         Allow Thrift2 HSHA server to have configurable threads
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13703'>HBASE-13703</a>] -         ReplicateContext should not be a member of ReplicationSource
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13704'>HBASE-13704</a>] -         Hbase throws OutOfOrderScannerNextException when MultiRowRangeFilter is used
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13706'>HBASE-13706</a>] -         CoprocessorClassLoader should not exempt Hive classes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13709'>HBASE-13709</a>] -         Updates to meta table server columns may be eclipsed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13711'>HBASE-13711</a>] -         Provide an API to set min and max versions in HColumnDescriptor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13717'>HBASE-13717</a>] -         TestBoundedRegionGroupingProvider#setMembershipDedups need to set HDFS diretory for WAL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13719'>HBASE-13719</a>] -         Asynchronous scanner -- cache size-in-bytes bug fix
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13721'>HBASE-13721</a>] -         Improve shell scan performances when using LIMIT
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13722'>HBASE-13722</a>] -         Avoid non static method from BloomFilterUtil
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13723'>HBASE-13723</a>] -         In table.rb scanners are never closed.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13729'>HBASE-13729</a>] -         Old hbase.regionserver.global.memstore.upperLimit and lowerLimit properties are ignored if present
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13731'>HBASE-13731</a>] -         TestReplicationAdmin should clean up MiniZKCluster resource
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13732'>HBASE-13732</a>] -         TestHBaseFsck#testParallelWithRetriesHbck fails intermittently
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13733'>HBASE-13733</a>] -         Failed MiniZooKeeperCluster startup did not shutdown ZK servers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13734'>HBASE-13734</a>] -         Improper timestamp checking with VisibilityScanDeleteTracker
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13737'>HBASE-13737</a>] -         [HBase MOB] MOBTable cloned from a snapshot leads to data loss, when that actual snapshot and main table is deleted.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13741'>HBASE-13741</a>] -         Disable TestRegionObserverInterface#testRecovery and testLegacyRecovery
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13744'>HBASE-13744</a>] -         TestCorruptedRegionStoreFile is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13746'>HBASE-13746</a>] -         list_replicated_tables command is not listing table in hbase shell.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13760'>HBASE-13760</a>] -         Cleanup Findbugs keySet iterator warnings
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13767'>HBASE-13767</a>] -         Allow ZKAclReset to set and not just clear ZK ACLs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13768'>HBASE-13768</a>] -         ZooKeeper znodes are bootstrapped with insecure ACLs in a secure configuration
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13770'>HBASE-13770</a>] -         Programmatic JAAS configuration option for secure zookeeper may be broken
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13776'>HBASE-13776</a>] -         Setting illegal versions for HColumnDescriptor does not throw IllegalArgumentException 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13777'>HBASE-13777</a>] -         Table fragmentation display triggers NPE on master status page
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13778'>HBASE-13778</a>] -         BoundedByteBufferPool incorrectly increasing runningAverage buffer length
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13779'>HBASE-13779</a>] -         Calling table.exists() before table.get() end up with an empty Result
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13789'>HBASE-13789</a>] -         ForeignException should not be sent to the client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13792'>HBASE-13792</a>] -         Regionserver unable to report to master when master is restarted
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13796'>HBASE-13796</a>] -         ZKUtil doesn&#39;t clean quorum setting properly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13797'>HBASE-13797</a>] -         Fix resource leak in HBaseFsck
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13800'>HBASE-13800</a>] -         TestStore#testDeleteExpiredStoreFiles should create unique data/log directory for each call
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13801'>HBASE-13801</a>] -         Hadoop src checksum is shown instead of HBase src checksum in master / RS UI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13802'>HBASE-13802</a>] -         Procedure V2: Master fails to come up due to rollback of create namespace table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13809'>HBASE-13809</a>] -         TestRowTooBig should use HDFS directory for its region directory
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13811'>HBASE-13811</a>] -         Splitting WALs, we are filtering out too many edits -&gt; DATALOSS
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13812'>HBASE-13812</a>] -         Deleting of last Column Family of a table should not be allowed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13813'>HBASE-13813</a>] -         Fix Javadoc warnings in Procedure.java
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13820'>HBASE-13820</a>] -         Zookeeper is failing to start
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13821'>HBASE-13821</a>] -         WARN if hbase.bucketcache.percentage.in.combinedcache is set
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13824'>HBASE-13824</a>] -         TestGenerateDelegationToken: Master fails to start in Windows environment
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13825'>HBASE-13825</a>] -         Use ProtobufUtil#mergeFrom and ProtobufUtil#mergeDelimitedFrom in place of builder methods of same name
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13826'>HBASE-13826</a>] -         Unable to create table when group acls are appropriately set.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13831'>HBASE-13831</a>] -         TestHBaseFsck#testParallelHbck is flaky against hadoop 2.6+
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13833'>HBASE-13833</a>] -         LoadIncrementalHFile.doBulkLoad(Path,HTable) doesn&#39;t handle unmanaged connections when using SecureBulkLoad
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13834'>HBASE-13834</a>] -         Evict count not properly passed to HeapMemoryTuner.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13835'>HBASE-13835</a>] -         KeyValueHeap.current might be in heap when exception happens in pollRealKV
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13839'>HBASE-13839</a>] -         Fix AssgnmentManagerTmpl.jamon issues (coloring, content etc.)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13843'>HBASE-13843</a>] -         Fix internal constant text in ReplicationManager.java
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13845'>HBASE-13845</a>] -         Expire of one region server carrying meta can bring down the master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13847'>HBASE-13847</a>] -         getWriteRequestCount function in HRegionServer uses int variable to return the count.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13849'>HBASE-13849</a>] -         Remove restore and clone snapshot from the WebUI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13851'>HBASE-13851</a>] -         RpcClientImpl.close() can hang with cancelled replica RPCs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13853'>HBASE-13853</a>] -         ITBLL improvements after HBASE-13811
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13857'>HBASE-13857</a>] -         Slow WAL Append count in ServerMetricsTmpl.jamon is hardcoded to zero
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13858'>HBASE-13858</a>] -         RS/MasterDumpServlet dumps threads before its “Stacks” header
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13861'>HBASE-13861</a>] -         BucketCacheTmpl.jamon has wrong bucket free and used labels
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13863'>HBASE-13863</a>] -         Multi-wal feature breaks reported number and size of HLogs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13864'>HBASE-13864</a>] -         HColumnDescriptor should parse the output from master and from describe for TTL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13865'>HBASE-13865</a>] -         Increase the default value for hbase.hregion.memstore.block.multipler from 2 to 4 (part 2)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13866'>HBASE-13866</a>] -         Add endpoint coprocessor to the section hbase.coprocessor.region.classes in HBase book
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13873'>HBASE-13873</a>] -         LoadTestTool addAuthInfoToConf throws UnsupportedOperationException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13875'>HBASE-13875</a>] -         Clock skew between master and region server may render restored region without server address
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13877'>HBASE-13877</a>] -         Interrupt to flush from TableFlushProcedure causes dataloss in ITBLL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13878'>HBASE-13878</a>] -         Set hbase.fs.tmp.dir config in HBaseTestingUtility.java for Phoenix UT to use
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13882'>HBASE-13882</a>] -         Fix RegionSplitPolicy section in HBase book 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13883'>HBASE-13883</a>] -         Fix Memstore Flush section in HBase book
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13885'>HBASE-13885</a>] -         ZK watches leaks during snapshots
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13888'>HBASE-13888</a>] -         Fix refill bug from HBASE-13686
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13889'>HBASE-13889</a>] -         Fix hbase-shaded-client artifact so it works on hbase-downstreamer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13892'>HBASE-13892</a>] -         Scanner with all results filtered out results in NPE
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13893'>HBASE-13893</a>] -         Replace HTable with Table in client tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13895'>HBASE-13895</a>] -         DATALOSS: Region assigned before WAL replay when abort
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13897'>HBASE-13897</a>] -         OOM may occur when Import imports a row with too many KeyValues
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13901'>HBASE-13901</a>] -         Error while calling watcher on creating and deleting an HBase table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13905'>HBASE-13905</a>] -         TestRecoveredEdits.testReplayWorksThoughLotsOfFlushing failing consistently on branch-1.1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13907'>HBASE-13907</a>] -         Document how to deploy a coprocessor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13913'>HBASE-13913</a>] -         RAT exclusion list missing asciidoctor support files
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13918'>HBASE-13918</a>] -         Fix hbase:namespace description in webUI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13923'>HBASE-13923</a>] -         Loaded region coprocessors are not reported in shell status command
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13924'>HBASE-13924</a>] -         Description for hbase.dynamic.jars.dir is wrong
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13930'>HBASE-13930</a>] -         Exclude Findbugs packages from shaded jars
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13933'>HBASE-13933</a>] -         DBE&#39;s seekBefore with tags corrupts the tag&#39;s offset information thus leading to incorrect results
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13938'>HBASE-13938</a>] -         Deletes done during the region merge transaction may get eclipsed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13944'>HBASE-13944</a>] -         Prefix_Tree seeks to null if the seeked Cell is greater than the last key in the file
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13945'>HBASE-13945</a>] -         Prefix_Tree seekBefore() does not work correctly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13958'>HBASE-13958</a>] -         RESTApiClusterManager calls kill() instead of suspend() and resume()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13959'>HBASE-13959</a>] -         Region splitting uses a single thread in most common cases
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13966'>HBASE-13966</a>] -         Limit column width in table.jsp
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13969'>HBASE-13969</a>] -         AuthenticationTokenSecretManager is never stopped in RPCServer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13970'>HBASE-13970</a>] -         NPE during compaction in trunk
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13971'>HBASE-13971</a>] -         Flushes stuck since 6 hours on a regionserver.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13974'>HBASE-13974</a>] -         TestRateLimiter#testFixedIntervalResourceAvailability may fail
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13976'>HBASE-13976</a>] -         release manager list in ref guide is missing 0.94 line
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13978'>HBASE-13978</a>] -         Variable never assigned in SimpleTotalOrderPartitioner.getPartition() 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13982'>HBASE-13982</a>] -         Add info for visibility labels/cell TTLs to ImportTsv
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13988'>HBASE-13988</a>] -         Add exception handler for lease thread
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13989'>HBASE-13989</a>] -         Threshold for combined MemStore and BlockCache percentages is not checked
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13995'>HBASE-13995</a>] -         ServerName is not fully case insensitive
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13997'>HBASE-13997</a>] -         ScannerCallableWithReplicas cause Infinitely blocking
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14000'>HBASE-14000</a>] -         Region server failed to report to Master and was stuck in reportForDuty retry loop
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14004'>HBASE-14004</a>] -         [Replication] Inconsistency between Memstore and WAL may result in data in remote cluster that is not in the origin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14005'>HBASE-14005</a>] -         Set permission to .top hfile in LoadIncrementalHFiles
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14010'>HBASE-14010</a>] -         TestRegionRebalancing.testRebalanceOnRegionServerNumberChange fails; cluster not balanced
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14011'>HBASE-14011</a>] -         MultiByteBuffer position based reads does not work correctly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14012'>HBASE-14012</a>] -         Double Assignment and Dataloss when ServerCrashProcedure runs during Master failover
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14021'>HBASE-14021</a>] -         Quota table has a wrong description on the UI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14024'>HBASE-14024</a>] -         ImportTsv is not loading hbase-default.xml
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14029'>HBASE-14029</a>] -         getting started for standalone still references hadoop-version-specific binary artifacts
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14038'>HBASE-14038</a>] -         Incremental backup list set is ignored during backup
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14041'>HBASE-14041</a>] -         Client MetaCache is cleared if a ThrottlingException is thrown
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14042'>HBASE-14042</a>] -         Fix FATAL level logging in FSHLog where logged for non fatal exceptions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14050'>HBASE-14050</a>] -         NPE in org.apache.hadoop.hbase.ipc.RpcServer$Connection.readAndProcess
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14054'>HBASE-14054</a>] -         Acknowledged writes may get lost if regionserver clock is set backwards
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14065'>HBASE-14065</a>] -         ref guide section on release candidate generation refers to old doc files
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14073'>HBASE-14073</a>] -         TestRemoteTable.testDelete failed in the latest trunk code
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14076'>HBASE-14076</a>] -         ResultSerialization and MutationSerialization can throw InvalidProtocolBufferException when serializing a cell larger than 64MB
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14077'>HBASE-14077</a>] -         Add package to hbase-protocol protobuf files.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14088'>HBASE-14088</a>] -         Close Connection in LoadTestTool#applyColumnFamilyOptions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14089'>HBASE-14089</a>] -         Remove unnecessary draw of system entropy from RecoverableZooKeeper
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14092'>HBASE-14092</a>] -         hbck should run without locks by default and only disable the balancer when necessary
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14094'>HBASE-14094</a>] -         Procedure.proto can&#39;t be compiled to C++
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14098'>HBASE-14098</a>] -         Allow dropping caches behind compactions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14100'>HBASE-14100</a>] -         Fix high priority findbugs warnings
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14106'>HBASE-14106</a>] -         TestProcedureRecovery is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14115'>HBASE-14115</a>] -         Fix resource leak in HMasterCommandLine
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14119'>HBASE-14119</a>] -         Show meaningful error messages instead of stack traces in hbase shell commands. Fixing few commands in this jira.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14145'>HBASE-14145</a>] -         Allow the Canary in regionserver mode to try all regions on the server, not just one
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14146'>HBASE-14146</a>] -         Once replication sees an error it slows down forever
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14153'>HBASE-14153</a>] -         Typo in ProcedureManagerHost.MASTER_PROCEUDRE_CONF_KEY
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14155'>HBASE-14155</a>] -         StackOverflowError in reverse scan
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14156'>HBASE-14156</a>] -         Fix test failure in TestOpenTableInCoprocessor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14157'>HBASE-14157</a>] -         Interfaces implemented by subclasses should be checked when registering CoprocessorService
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14162'>HBASE-14162</a>] -         Fixing maven target for regenerating thrift classes fails against 0.9.2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14166'>HBASE-14166</a>] -         Per-Region metrics can be stale
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14168'>HBASE-14168</a>] -         Avoid useless retry for DoNotRetryIOException in TableRecordReaderImpl
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14173'>HBASE-14173</a>] -         includeMVCCReadpoint parameter in DefaultCompactor#createTmpWriter() represents no-op
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14178'>HBASE-14178</a>] -         regionserver blocks because of waiting for offsetLock
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14183'>HBASE-14183</a>] -         [Shell] Scanning hbase meta table is failing in master branch
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14185'>HBASE-14185</a>] -         Incorrect region names logged by MemStoreFlusher
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14192'>HBASE-14192</a>] -         Fix REST Cluster constructor with String List
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14196'>HBASE-14196</a>] -         Thrift server idle connection timeout issue
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14201'>HBASE-14201</a>] -         hbck should not take a lock unless fixing errors
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14205'>HBASE-14205</a>] -         RegionCoprocessorHost System.nanoTime() performance bottleneck
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14206'>HBASE-14206</a>] -         MultiRowRangeFilter returns records whose rowKeys are out of allowed ranges
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14208'>HBASE-14208</a>] -         Remove yarn dependencies on -common and -client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14209'>HBASE-14209</a>] -         TestShell visibility tests failing
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14211'>HBASE-14211</a>] -         Add more rigorous integration tests of splits
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14214'>HBASE-14214</a>] -         list_labels shouldn&#39;t raise ArgumentError if no labels are defined 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14219'>HBASE-14219</a>] -         src tgz no longer builds after HBASE-14085
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14224'>HBASE-14224</a>] -         Fix coprocessor handling of duplicate classes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14228'>HBASE-14228</a>] -         Close BufferedMutator and connection in MultiTableOutputFormat
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14229'>HBASE-14229</a>] -         Flushing canceled by coprocessor still leads to memstoreSize set down
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14234'>HBASE-14234</a>] -         Procedure-V2: Exception encountered in WALProcedureStore#rollWriter() should be properly handled
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14241'>HBASE-14241</a>] -         Fix deadlock during cluster shutdown due to concurrent connection close
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14243'>HBASE-14243</a>] -         Incorrect NOTICE file in hbase-it test-jar
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14249'>HBASE-14249</a>] -         shaded jar modules create spurious source and test jars with incorrect LICENSE/NOTICE info
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14250'>HBASE-14250</a>] -         branch-1.1 hbase-server test-jar has incorrect LICENSE
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14251'>HBASE-14251</a>] -         javadoc jars use LICENSE/NOTICE from primary artifact
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14252'>HBASE-14252</a>] -         RegionServers fail to start when setting hbase.ipc.server.callqueue.scan.ratio to 0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14256'>HBASE-14256</a>] -         Flush task message may be confusing when region is recovered
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14257'>HBASE-14257</a>] -         Periodic flusher only handles hbase:meta, not other system tables
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14258'>HBASE-14258</a>] -         Make region_mover.rb script case insensitive with regard to hostname
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14269'>HBASE-14269</a>] -         FuzzyRowFilter omits certain rows when multiple fuzzy keys exist
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14273'>HBASE-14273</a>] -         Rename MVCC to MVCC: From MultiVersionConsistencyControl to MultiVersionConcurrencyControl
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14280'>HBASE-14280</a>] -         Bulk Upload from HA cluster to remote HA hbase cluster fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14283'>HBASE-14283</a>] -         Reverse scan doesn’t work with HFile inline index/bloom blocks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14286'>HBASE-14286</a>] -         Correct typo in argument name for WALSplitter.writeRegionSequenceIdFile
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14291'>HBASE-14291</a>] -         NPE On StochasticLoadBalancer Balance Involving RS With No Regions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14292'>HBASE-14292</a>] -         Call Me Maybe HBase links haved moved
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14302'>HBASE-14302</a>] -         TableSnapshotInputFormat should not create back references when restoring snapshot
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14307'>HBASE-14307</a>] -         Incorrect use of positional read api in HFileBlock
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14313'>HBASE-14313</a>] -         After a Connection sees ConnectionClosingException it never recovers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14315'>HBASE-14315</a>] -         Save one call to KeyValueHeap.peek per row
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14317'>HBASE-14317</a>] -         Stuck FSHLog: bad disk (HDFS-8960) and can&#39;t roll WAL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14326'>HBASE-14326</a>] -         HBase book: fix definition of max min size to compact
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14327'>HBASE-14327</a>] -         TestIOFencing#testFencingAroundCompactionAfterWALSync is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14329'>HBASE-14329</a>] -         Report region in transition only ever operates on one region
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14337'>HBASE-14337</a>] -         build error on master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14338'>HBASE-14338</a>] -         License notification misspells &#39;Asciidoctor&#39;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14343'>HBASE-14343</a>] -         Fix debug message in SimpleRegionNormalizer for small regions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14346'>HBASE-14346</a>] -         Typo in FamilyFilter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14347'>HBASE-14347</a>] -         Add a switch to DynamicClassLoader to disable it
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14349'>HBASE-14349</a>] -         pre-commit zombie finder is overly broad
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14354'>HBASE-14354</a>] -         Minor improvements for usage of the mlock agent
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14359'>HBASE-14359</a>] -         HTable#close will hang forever if unchecked error/exception thrown in AsyncProcess#sendMultiAction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14362'>HBASE-14362</a>] -         org.apache.hadoop.hbase.master.procedure.TestWALProcedureStoreOnHDFS is super duper flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14366'>HBASE-14366</a>] -         NPE in case visibility expression is not present in labels table during importtsv run
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14367'>HBASE-14367</a>] -         Add normalization support to shell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14370'>HBASE-14370</a>] -         Use separate thread for calling ZKPermissionWatcher#refreshNodes()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14380'>HBASE-14380</a>] -         Correct data gets skipped along with bad data in importTsv bulk load thru TsvImporterTextMapper
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14382'>HBASE-14382</a>] -         TestInterfaceAudienceAnnotations should hadoop-compt module resources
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14384'>HBASE-14384</a>] -         Trying to run canary locally with -regionserver option causes exception
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14385'>HBASE-14385</a>] -         Close the sockets that is missing in connection closure.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14392'>HBASE-14392</a>] -         [tests] TestLogRollingNoCluster fails on master from time to time
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14393'>HBASE-14393</a>] -         Have TestHFileEncryption clean up after itself so it don&#39;t go all zombie on us
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14394'>HBASE-14394</a>] -         Properly close the connection after reading records from table.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14400'>HBASE-14400</a>] -         Fix HBase RPC protection documentation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14411'>HBASE-14411</a>] -         Fix unit test failures when using multiwal as default WAL provider
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14425'>HBASE-14425</a>] -         In Secure Zookeeper cluster superuser will not have sufficient permission if multiple values are configured in &quot;hbase.superuser&quot;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14427'>HBASE-14427</a>] -         Fix &#39;should&#39; assertions in TestFastFail
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14429'>HBASE-14429</a>] -         Checkstyle report is broken
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14431'>HBASE-14431</a>] -         AsyncRpcClient#removeConnection() never removes connection from connections pool if server fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14437'>HBASE-14437</a>] -         ArithmeticException in ReplicationInterClusterEndpoint
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14445'>HBASE-14445</a>] -         ExportSnapshot does not honor -chmod option
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14449'>HBASE-14449</a>] -         Rewrite deadlock prevention for concurrent connection close
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14458'>HBASE-14458</a>] -         AsyncRpcClient#createRpcChannel() should check and remove dead channel before creating new one to same server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14462'>HBASE-14462</a>] -         rolling_restart.sh --master-only throws &quot;line 142: test: 0: unary operator expected&quot;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14463'>HBASE-14463</a>] -         Severe performance downgrade when parallel reading a single key from BucketCache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14469'>HBASE-14469</a>] -         Fix some comment, validation and logging around memstore lower limit configuration
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14471'>HBASE-14471</a>] -         Thrift -  HTTP Error 413 full HEAD if using kerberos authentication
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14473'>HBASE-14473</a>] -         Compute region locality in parallel
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14474'>HBASE-14474</a>] -         DeadLock in RpcClientImpl.Connection.close() 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14475'>HBASE-14475</a>] -         Region split requests are always audited with &quot;hbase&quot; user rather than request user
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14485'>HBASE-14485</a>] -         ConnectionImplementation leaks on construction failure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14486'>HBASE-14486</a>] -         Disable TestRegionPlacement, a flakey test for an unfinished feature
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14489'>HBASE-14489</a>] -         postScannerFilterRow consumes a lot of CPU
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14492'>HBASE-14492</a>] -         Increase REST server header buffer size from 8k to 64k
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14494'>HBASE-14494</a>] -         Wrong usage messages on shell commands
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14497'>HBASE-14497</a>] -         Reverse Scan threw StackOverflow caused by readPt checking
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14499'>HBASE-14499</a>] -         Master coprocessors shutdown will not happen on master abort
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14500'>HBASE-14500</a>] -         Remove load of deprecated MOB ruby scripts after HBASE-14227
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14501'>HBASE-14501</a>] -         NPE in replication when HDFS transparent encryption is enabled.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14510'>HBASE-14510</a>] -         Can not set coprocessor from Shell after HBASE-14224
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14512'>HBASE-14512</a>] -         Cache UGI groups
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14518'>HBASE-14518</a>] -         Give TestScanEarlyTermination the same treatment as &#39;HBASE-14378 Get TestAccessController* passing again...&#39; -- up priority handlers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14521'>HBASE-14521</a>] -         Unify the semantic of hbase.client.retries.number
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14523'>HBASE-14523</a>] -         rolling-restart.sh --graceful will start regionserver process on master node
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14525'>HBASE-14525</a>] -         Append and increment operation throws NullPointerException on non-existing column families.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14531'>HBASE-14531</a>] -         graceful_stop.sh &quot;if [ &quot;$local&quot; ]&quot; condition unexpected behaviour
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14532'>HBASE-14532</a>] -         [book] dfs.client.read.shortcircuit is referenced as hbase-site.xml config and not described in section 7
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14541'>HBASE-14541</a>] -         TestHFileOutputFormat.testMRIncrementalLoadWithSplit failed due to too many splits and few retries
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14544'>HBASE-14544</a>] -         Allow HConnectionImpl to not refresh the dns on errors
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14545'>HBASE-14545</a>] -         TestMasterFailover often times out
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14555'>HBASE-14555</a>] -         Deadlock in MVCC branch-1.2 toString()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14557'>HBASE-14557</a>] -         MapReduce WALPlayer issue with NoTagsKeyValue
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14577'>HBASE-14577</a>] -         HBase shell help for scan and returning a column family has a typo
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14578'>HBASE-14578</a>] -         URISyntaxException during snapshot restore for table with user defined namespace
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14581'>HBASE-14581</a>] -         Znode cleanup throws auth exception in secure mode
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14591'>HBASE-14591</a>] -         Region with reference hfile may split after a forced split in IncreasingToUpperBoundRegionSplitPolicy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14592'>HBASE-14592</a>] -         BatchRestartRsAction always restarts 0 RS when running SlowDeterministicMonkey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14594'>HBASE-14594</a>] -         Use new DNS API introduced in HADOOP-12437
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14597'>HBASE-14597</a>] -         Fix Groups cache in multi-threaded env
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14598'>HBASE-14598</a>] -         ByteBufferOutputStream grows its HeapByteBuffer beyond JVM limitations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14599'>HBASE-14599</a>] -         Modify site config to use protocol-relative URLs for CSS/JS
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14603'>HBASE-14603</a>] -         Lots of work on the POM to enhance Javadocs, Xrefs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14604'>HBASE-14604</a>] -         Improve MoveCostFunction in StochasticLoadBalancer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14606'>HBASE-14606</a>] -         TestSecureLoadIncrementalHFiles tests timed out in trunk build on apache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14608'>HBASE-14608</a>] -         testWalRollOnLowReplication has some risk to assert failed after HBASE-14600
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14621'>HBASE-14621</a>] -         ReplicationLogCleaner gets stuck when a regionserver crashes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14624'>HBASE-14624</a>] -         BucketCache.freeBlock is too expensive
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14625'>HBASE-14625</a>] -         Chaos Monkey should shut down faster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14632'>HBASE-14632</a>] -         Region server aborts due to unguarded dereference of Reader
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14633'>HBASE-14633</a>] -         Try fluid width UI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14634'>HBASE-14634</a>] -         Disable flakey TestSnapshotCloneIndependence.testOnlineSnapshotDeleteIndependent
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14644'>HBASE-14644</a>] -         Region in transition metric is broken
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14650'>HBASE-14650</a>] -         Reenable TestNamespaceAuditor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14654'>HBASE-14654</a>] -         Reenable TestMultiParallel#testActiveThreadsCount
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14658'>HBASE-14658</a>] -         Allow loading a MonkeyFactory by class name
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14660'>HBASE-14660</a>] -         AssertionError found when using offheap BucketCache with assertion enabled
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14661'>HBASE-14661</a>] -         RegionServer link is not opening, in HBase Table page.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14663'>HBASE-14663</a>] -         HStore::close does not honor config hbase.rs.evictblocksonclose
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14664'>HBASE-14664</a>] -         Master failover issue: Backup master is unable to start if active master is killed and started in short time interval
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14667'>HBASE-14667</a>] -         HBaseFsck constructors have diverged
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14674'>HBASE-14674</a>] -         Rpc handler / task monitoring seems to be broken after 0.98
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14676'>HBASE-14676</a>] -         HBaseTestCase clean out: Purge Incommon Interface and Table and Region implementations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14680'>HBASE-14680</a>] -         Two configs for snapshot timeout and better defaults
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14681'>HBASE-14681</a>] -         Upgrade Checkstyle plugin to 2.16
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14682'>HBASE-14682</a>] -         CM restore functionality for regionservers is broken
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14689'>HBASE-14689</a>] -         Addendum and unit test for HBASE-13471
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14690'>HBASE-14690</a>] -         Fix css so there&#39;s no left/right scroll bar
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14694'>HBASE-14694</a>] -         Scan copy constructor doesn&#39;t handle allowPartialResults
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14695'>HBASE-14695</a>] -         Fix some easy HTML warnings
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14701'>HBASE-14701</a>] -         Fix flakey Failed tests:    TestMobFlushSnapshotFromClient&gt;TestFlushSnapshotFromClient.testSkipFlushTableSnapshot:199 null
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14705'>HBASE-14705</a>] -         Javadoc for KeyValue constructor is not correct.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14706'>HBASE-14706</a>] -         RegionLocationFinder should return multiple servernames by top host
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14711'>HBASE-14711</a>] -         Remove or annotated deprecated methods in HRegionInfo
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14712'>HBASE-14712</a>] -         MasterProcWALs never clean up
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14717'>HBASE-14717</a>] -         enable_table_replication command should only create specified table for a peer cluster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14723'>HBASE-14723</a>] -         Fix IT tests split too many times
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14733'>HBASE-14733</a>] -         Minor typo in alter_namespace.rb
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14737'>HBASE-14737</a>] -         Clear cachedMaxVersions when HColumnDescriptor#setValue(VERSIONS, value) is called
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14739'>HBASE-14739</a>] -         Fix broken link to Javadoc that is suppressed because it is generated  code
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14742'>HBASE-14742</a>] -         TestHeapMemoryManager is flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14745'>HBASE-14745</a>] -         Shade the last few dependencies in hbase-shaded-client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14751'>HBASE-14751</a>] -         Book seems to be broken
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14753'>HBASE-14753</a>] -         TestShell is not invoked anymore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14754'>HBASE-14754</a>] -         TestFastFailWithoutTestUtil failing on trunk now in #testPreemptiveFastFailException50Times
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14755'>HBASE-14755</a>] -         Fix some broken links and HTML problems
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14759'>HBASE-14759</a>] -         Avoid using Math.abs when selecting SyncRunner in FSHLog
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14761'>HBASE-14761</a>] -         Deletes with and without visibility expression do not delete the matching mutation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14763'>HBASE-14763</a>] -         Remove usages of deprecated HConnection 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14767'>HBASE-14767</a>] -         Remove deprecated functions from HBaseAdmin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14768'>HBASE-14768</a>] -         bin/graceful_stop.sh logs nothing as a balancer state to be stored
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14769'>HBASE-14769</a>] -         Remove unused functions and duplicate javadocs from HBaseAdmin 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14770'>HBASE-14770</a>] -         RowCounter argument input parse error
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14771'>HBASE-14771</a>] -         RpcServer#getRemoteAddress always returns null
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14773'>HBASE-14773</a>] -         Fix HBase shell tests are skipped when skipping server tests.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14774'>HBASE-14774</a>] -         Raise the font size on high-DPI small-screen devices like iphone 6+
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14777'>HBASE-14777</a>] -         Fix Inter Cluster Replication Future ordering issues
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14778'>HBASE-14778</a>] -         Make block cache hit percentages not integer in the metrics system
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14781'>HBASE-14781</a>] -         Turn per cf flushing on for ITBLL by default
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14782'>HBASE-14782</a>] -         FuzzyRowFilter skips valid rows
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14784'>HBASE-14784</a>] -         Port conflict is not resolved in HBaseTestingUtility.randomFreePort()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14787'>HBASE-14787</a>] -         Remove obsolete ConnectionImplementation.refCount
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14788'>HBASE-14788</a>] -         Splitting a region does not support the hbase.rs.evictblocksonclose config when closing source region
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14793'>HBASE-14793</a>] -         Allow limiting size of block into L1 block cache.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14797'>HBASE-14797</a>] -         Last round of CSS fix-ups
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14799'>HBASE-14799</a>] -         Commons-collections object deserialization remote command execution vulnerability 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14802'>HBASE-14802</a>] -         Replaying server crash recovery procedure after a failover causes incorrect handling of deadservers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14804'>HBASE-14804</a>] -         HBase shell&#39;s create table command ignores &#39;NORMALIZATION_ENABLED&#39; attribute
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14806'>HBASE-14806</a>] -         Missing sources.jar for several modules when building HBase
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14807'>HBASE-14807</a>] -         TestWALLockup is flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14809'>HBASE-14809</a>] -         Grant / revoke Namespace admin permission to group 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14810'>HBASE-14810</a>] -         Update Hadoop support description to explain &quot;not tested&quot; vs &quot;not supported&quot;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14812'>HBASE-14812</a>] -         Fix ResultBoundedCompletionService deadlock
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14815'>HBASE-14815</a>] -         TestMobExportSnapshot.testExportFailure timeout occasionally
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14818'>HBASE-14818</a>] -         user_permission does not list namespace permissions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14822'>HBASE-14822</a>] -         Renewing leases of scanners doesn&#39;t work
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14823'>HBASE-14823</a>] -         HBase Ref Guide Refactoring
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14824'>HBASE-14824</a>] -         HBaseAdmin.mergeRegions should recognize both full region names and encoded region names
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14825'>HBASE-14825</a>] -         HBase Ref Guide corrections of typos/misspellings
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14838'>HBASE-14838</a>] -         Clarify that SimpleRegionNormalizer does not merge empty (&lt;1MB) regions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14840'>HBASE-14840</a>] -         Sink cluster reports data replication request as success though the data is not replicated
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14843'>HBASE-14843</a>] -         TestWALProcedureStore.testLoad is flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14861'>HBASE-14861</a>] -         HBASE_ZNODE_FILE on master server is overwritten by regionserver process in case of master-rs collocation 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14867'>HBASE-14867</a>] -         SimpleRegionNormalizer needs to have better heuristics to trigger merge operation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14885'>HBASE-14885</a>] -         NullPointerException in HMaster#normalizeRegions() due to missing TableDescriptor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14890'>HBASE-14890</a>] -         Fix javadoc checkstyle errors
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14893'>HBASE-14893</a>] -         Race between mutation on region and region closing operation leads to NotServingRegionException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14894'>HBASE-14894</a>] -         Fix misspellings of threshold in log4j.properties files for tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14896'>HBASE-14896</a>] -         Resolve Javadoc warnings in WALKey and RegionMover
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14897'>HBASE-14897</a>] -         TestTableLockManager.testReapAllTableLocks is flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14898'>HBASE-14898</a>] -         Correct Bloom filter documentation in the book
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14901'>HBASE-14901</a>] -         There is duplicated code to create/manage encryption keys
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14904'>HBASE-14904</a>] -         Mark Base[En|De]coder LimitedPrivate and fix binary compat issue
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14905'>HBASE-14905</a>] -         VerifyReplication does not honour versions option
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14907'>HBASE-14907</a>] -         NPE of MobUtils.hasMobColumns in Build failed in Jenkins: HBase-Trunk_matrix » latest1.8,Hadoop #513
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14917'>HBASE-14917</a>] -         Log in console if individual tests in test-patch.sh fail or pass
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14922'>HBASE-14922</a>] -         Delayed flush doesn&#39;t work causing flush storms.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14923'>HBASE-14923</a>] -         VerifyReplication should not mask the exception during result comparison 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14926'>HBASE-14926</a>] -         Hung ThriftServer; no timeout on read from client; if client crashes, worker thread gets stuck reading
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14928'>HBASE-14928</a>] -         Start row should be set for query through HBase REST gateway involving globbing option
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14929'>HBASE-14929</a>] -         There is a space missing from Table &quot;foo&quot; is not currently available.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14930'>HBASE-14930</a>] -         check_compatibility.sh needs smarter exit codes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14936'>HBASE-14936</a>] -         CombinedBlockCache should overwrite CacheStats#rollMetricsPeriod()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14940'>HBASE-14940</a>] -         Make our unsafe based ops more safe
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14941'>HBASE-14941</a>] -         locate_region shell command
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14942'>HBASE-14942</a>] -         Allow turning off BoundedByteBufferPool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14952'>HBASE-14952</a>] -         hbase-assembly source artifact has some incorrect modules
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14953'>HBASE-14953</a>] -         HBaseInterClusterReplicationEndpoint: Do not retry the whole batch of edits in case of RejectedExecutionException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14954'>HBASE-14954</a>] -         IllegalArgumentException was thrown when doing online configuration change in CompactSplitThread
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14960'>HBASE-14960</a>] -         Fallback to using default RPCControllerFactory if class cannot be loaded
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14968'>HBASE-14968</a>] -         ConcurrentModificationException in region close resulting in the region staying in closing state
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14974'>HBASE-14974</a>] -         Total number of Regions in Transition number on UI incorrect
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14975'>HBASE-14975</a>] -         Don&#39;t color the total RIT line yellow if it&#39;s zero
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14977'>HBASE-14977</a>] -         ChoreService.shutdown may result in ConcurrentModificationException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14987'>HBASE-14987</a>] -         Compaction marker whose region name doesn&#39;t match current region&#39;s needs to be handled
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14990'>HBASE-14990</a>] -         Tests in BaseTestHBaseFsck are run by its subclasses redundantly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14991'>HBASE-14991</a>] -         Fix the feature warning in scala code
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14999'>HBASE-14999</a>] -         Remove ref to org.mortbay.log.Log
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15000'>HBASE-15000</a>] -         Fix javadoc warn in LoadIncrementalHFiles
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15001'>HBASE-15001</a>] -         Thread Safety issues in ReplicationSinkManager and HBaseInterClusterReplicationEndpoint
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15011'>HBASE-15011</a>] -         turn off the jdk8 javadoc linter. :(
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15014'>HBASE-15014</a>] -         Fix filterCellByStore in WALsplitter is awful for performance
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15015'>HBASE-15015</a>] -         Checktyle plugin shouldn&#39;t check Jamon-generated Java classes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15018'>HBASE-15018</a>] -         Inconsistent way of handling TimeoutException in the rpc client implementations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15019'>HBASE-15019</a>] -         Replication stuck when HDFS is restarted
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15020'>HBASE-15020</a>] -         Remove DistributedLogReplay (a.k.a DLR)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15021'>HBASE-15021</a>] -         hadoopqa doing false positives
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15022'>HBASE-15022</a>] -         undefined method `getZooKeeperClusterKey&#39; for Java::OrgApacheHadoopHbaseZookeeper::ZKUtil:Class
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15026'>HBASE-15026</a>] -         The default value of &quot;hbase.regions.slop&quot; in hbase-default.xml is obsolete
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15027'>HBASE-15027</a>] -         Refactor the way the CompactedHFileDischarger threads are created
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15028'>HBASE-15028</a>] -         Minor fix on RegionGroupingProvider
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15030'>HBASE-15030</a>] -         Deadlock in master TableNamespaceManager while running IntegrationTestDDLMasterFailover
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15032'>HBASE-15032</a>] -         hbase shell scan filter string assumes UTF-8 encoding
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15034'>HBASE-15034</a>] -         IntegrationTestDDLMasterFailover does not clean created namespaces 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15035'>HBASE-15035</a>] -         bulkloading hfiles with tags that require splits do not preserve tags
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15039'>HBASE-15039</a>] -         HMaster and RegionServers should try to refresh token keys from zk when facing InvalidToken
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15043'>HBASE-15043</a>] -         region_status.rb broken with TypeError: no public constructors for Java::OrgApacheHadoopHbaseClient::HBaseAdmin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15050'>HBASE-15050</a>] -         Block Ref counting does not work in Region Split cases.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15052'>HBASE-15052</a>] -         Use EnvironmentEdgeManager in ReplicationSource 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15057'>HBASE-15057</a>] -         local-master-backup.sh doesn&#39;t start HMaster correctly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15063'>HBASE-15063</a>] -         Bug in MultiByteBuf#toBytes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15064'>HBASE-15064</a>] -         BufferUnderflowException after last Cell fetched from an HFile Block served from L2 offheap cache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15065'>HBASE-15065</a>] -         SimpleRegionNormalizer should return multiple normalization plans in one run
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15070'>HBASE-15070</a>] -         DistributedHBaseCluster#restoreRegionServers() starts new RS process on master server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15074'>HBASE-15074</a>] -         Zombie maker to test zombie detector
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15079'>HBASE-15079</a>] -         TestMultiParallel.validateLoadedData AssertionError: null
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15083'>HBASE-15083</a>] -         Gets from Multiactions are not counted in metrics for gets.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15085'>HBASE-15085</a>] -         IllegalStateException was thrown when scanning on bulkloaded HFiles
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15093'>HBASE-15093</a>] -         Replication can report incorrect size of log queue for the global source when multiwal is enabled
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15098'>HBASE-15098</a>] -         Normalizer switch in configuration is not used
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15100'>HBASE-15100</a>] -         Master WALProcs still never clean up
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15101'>HBASE-15101</a>] -         Leaked References to StoreFile.Reader after HBASE-13082
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15102'>HBASE-15102</a>] -         HeapMemoryTuner can &quot;overtune&quot; memstore size and suddenly drop it into blocking zone
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15104'>HBASE-15104</a>] -         Occasional failures due to NotServingRegionException in IT tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15109'>HBASE-15109</a>] -         HM/RS failed to start when &quot;fs.hdfs.impl.disable.cache&quot; is set to true
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15117'>HBASE-15117</a>] -         Resolve ICAST findbugs warnings in current codes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15122'>HBASE-15122</a>] -         Servlets generate XSS_REQUEST_PARAMETER_TO_SERVLET_WRITER findbugs warnings
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15125'>HBASE-15125</a>] -         HBaseFsck&#39;s adoptHdfsOrphan function creates region with wrong end key boundary
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15126'>HBASE-15126</a>] -         HBaseFsck&#39;s checkRegionBoundaries function sets incorrect &#39;storesFirstKey&#39;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15128'>HBASE-15128</a>] -         Disable region splits and merges switch in master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15132'>HBASE-15132</a>] -         Master region merge RPC should authorize user request
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15133'>HBASE-15133</a>] -         Data loss after compaction when a row has more than Integer.MAX_VALUE columns
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15137'>HBASE-15137</a>] -         CallTimeoutException and CallQueueTooBigException should trigger PFFE
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15139'>HBASE-15139</a>] -         Connection manager doesn&#39;t pass client metrics to RpcClient
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15145'>HBASE-15145</a>] -         HBCK and Replication should authenticate to zookepeer using server principal
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15146'>HBASE-15146</a>] -         Don&#39;t block on Reader threads queueing to a scheduler queue
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15147'>HBASE-15147</a>] -         Shell should use Admin.listTableNames() instead of Admin.listTables() 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15148'>HBASE-15148</a>] -         Resolve IS2_INCONSISTENT_SYNC findbugs warning in AuthenticationTokenSecretManager
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15152'>HBASE-15152</a>] -         Automatically include prefix-tree module in MR jobs if present
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15164'>HBASE-15164</a>] -         Fix broken links found via LinkLint
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15173'>HBASE-15173</a>] -         Execute mergeRegions RPC call as the request user
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15186'>HBASE-15186</a>] -         HBASE-15158 Preamble 1 of 2: fix findbugs, add javadoc, change Region#getReadpoint to #getReadPoint, and some util
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15187'>HBASE-15187</a>] -         Integrate CSRF prevention filter to REST gateway
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15190'>HBASE-15190</a>] -         Monkey dies when running on shared cluster (gives up when can&#39;t kill the other fellows processes)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15193'>HBASE-15193</a>] -         Rename ByteBufferInputStream in master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15195'>HBASE-15195</a>] -         Don&#39;t run findbugs on hbase-it; it has nothing in src/main/java
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15196'>HBASE-15196</a>] -         HBASE-15158 Preamble 2 of 2:Add Increment tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15198'>HBASE-15198</a>] -         RPC client not using Codec and CellBlock for puts by default
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15200'>HBASE-15200</a>] -         ZooKeeper znode ACL checks should only compare the shortname
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15206'>HBASE-15206</a>] -         Flakey testSplitDaughtersNotInMeta test
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15209'>HBASE-15209</a>] -         disable table in HBaseTestingUtility.truncateTable 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15214'>HBASE-15214</a>] -         Valid mutate Ops fail with RPC Codec in use and region moves across
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15216'>HBASE-15216</a>] -         Canary does not accept config params from command line
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15218'>HBASE-15218</a>] -         On RS crash and replay of WAL, loosing all Tags in Cells
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15221'>HBASE-15221</a>] -         HTableMultiplexer improvements (stale region locations and resource leaks)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15231'>HBASE-15231</a>] -         Make TableState.State private
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15234'>HBASE-15234</a>] -         ReplicationLogCleaner can abort due to transient ZK issues
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15236'>HBASE-15236</a>] -         Inconsistent cell reads over multiple bulk-loaded HFiles
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15247'>HBASE-15247</a>] -         InclusiveStopFilter does not respect reverse Filter property
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15250'>HBASE-15250</a>] -         Fix links that are currently redirected from old URLs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15251'>HBASE-15251</a>] -         During a cluster restart, Hmaster thinks it is a failover by mistake
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15252'>HBASE-15252</a>] -         Data loss when replaying wal if HDFS timeout
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15253'>HBASE-15253</a>] -         Small bug in CellUtil.matchingRow(Cell, byte[])
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15259'>HBASE-15259</a>] -         WALEdits under replay will also be replicated
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15271'>HBASE-15271</a>] -         Spark Bulk Load: Need to write HFiles to tmp location then rename to protect from Spark Executor Failures
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15276'>HBASE-15276</a>] -         TestFlushSnapshotFromClient hung
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15278'>HBASE-15278</a>] -         AsyncRPCClient hangs if Connection closes before RPC call response 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15279'>HBASE-15279</a>] -         OrderedBytes.isEncodedValue does not check for int8 and int16 types
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15285'>HBASE-15285</a>] -         Forward-port respect for isReturnResult from HBASE-15095
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15287'>HBASE-15287</a>] -         mapreduce.RowCounter returns incorrect result with binary row key inputs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15289'>HBASE-15289</a>] -         Add details about how to get usage instructions for Import and Export utilities
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15290'>HBASE-15290</a>] -         Hbase Rest CheckAndAPI should save other cells along with compared cell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15292'>HBASE-15292</a>] -         Refined ZooKeeperWatcher to prevent ZooKeeper&#39;s callback while construction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15295'>HBASE-15295</a>] -         MutateTableAccess.multiMutate() does not get high priority causing a deadlock
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15297'>HBASE-15297</a>] -         error message is wrong when a wrong namspace is specified in grant in hbase shell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15298'>HBASE-15298</a>] -         Fix missing or wrong asciidoc anchors in the reference guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15302'>HBASE-15302</a>] -         Reenable the other tests disabled by HBASE-14678
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15319'>HBASE-15319</a>] -         clearJmxCache does not take effect actually
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15322'>HBASE-15322</a>] -         Operations using Unsafe path broken for platforms not having sun.misc.Unsafe
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15323'>HBASE-15323</a>] -         Hbase Rest CheckAndDeleteAPi should be able to delete more cells
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15324'>HBASE-15324</a>] -         Jitter may cause desiredMaxFileSize overflow in ConstantSizeRegionSplitPolicy and trigger unexpected split
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15325'>HBASE-15325</a>] -         ResultScanner allowing partial result will miss the rest of the row if the region is moved between two rpc requests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15327'>HBASE-15327</a>] -         Canary will always invoke admin.balancer() in each sniffing period when writeSniffing is enabled
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15328'>HBASE-15328</a>] -         Unvalidated Redirect in HMaster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15329'>HBASE-15329</a>] -         Cross-Site Scripting: Reflected in table.jsp
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15332'>HBASE-15332</a>] -         Document how to take advantage of HDFS-6133 in HBase
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15348'>HBASE-15348</a>] -         Fix tests broken by recent metrics re-work
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15357'>HBASE-15357</a>] -         TableInputFormatBase getSplitKey does not handle signed bytes correctly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15358'>HBASE-15358</a>] -         canEnforceTimeLimitFromScope should use timeScope instead of sizeScope
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15360'>HBASE-15360</a>] -         Fix flaky TestSimpleRpcScheduler
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15364'>HBASE-15364</a>] -         Fix unescaped &lt; characters in Javadoc
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15378'>HBASE-15378</a>] -         Scanner cannot handle heartbeat message with no results
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15379'>HBASE-15379</a>] -         Fake cells created in read path not implementing SettableSequenceId
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15393'>HBASE-15393</a>] -         Enable table replication command will fail when parent znode is not default in peer cluster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15397'>HBASE-15397</a>] -         Create bulk load replication znode(hfile-refs) in ZK replication queue by default
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15405'>HBASE-15405</a>] -         Synchronize final results logging single thread in PE, fix wrong defaults in help message
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15424'>HBASE-15424</a>] -         Add bulk load hfile-refs for replication in ZK after the event is appended in the WAL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15425'>HBASE-15425</a>] -         Failing to write bulk load event marker in the WAL is ignored
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15430'>HBASE-15430</a>] -         Failed taking snapshot - Manifest proto-message too large
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15433'>HBASE-15433</a>] -         SnapshotManager#restoreSnapshot not update table and region count quota correctly when encountering exception
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15437'>HBASE-15437</a>] -         Response size calculated in RPCServer for warning tooLarge responses does NOT count CellScanner payload
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15439'>HBASE-15439</a>] -         getMaximumAllowedTimeBetweenRuns in ScheduledChore ignores the TimeUnit
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15441'>HBASE-15441</a>] -         Fix WAL splitting when region has moved multiple times
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15461'>HBASE-15461</a>] -         ref guide has bad links to blogs originally posted on cloudera website
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15463'>HBASE-15463</a>] -         Region normalizer should check whether split/merge is enabled
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15465'>HBASE-15465</a>] -         userPermission returned by getUserPermission() for the selected namespace does not have namespace set
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15467'>HBASE-15467</a>] -         Remove 1.x/2.0 TableDescriptor incompatibility
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15485'>HBASE-15485</a>] -         Filter.reset() should not be called between batches
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15497'>HBASE-15497</a>] -         Incorrect javadoc for atomicity guarantee of Increment and Append
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15504'>HBASE-15504</a>] -         Fix Balancer in 1.3 not moving regions off overloaded regionserver
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15515'>HBASE-15515</a>] -         Improve LocalityBasedCandidateGenerator in Balancer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15520'>HBASE-15520</a>] -         Fix broken TestAsyncIPC
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15528'>HBASE-15528</a>] -         Clean up outdated entries in hbase-default.xml
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15535'>HBASE-15535</a>] -         Correct link to Trafodion
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15548'>HBASE-15548</a>] -         SyncTable: sourceHashDir is supposed to be optional but won&#39;t work without 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15559'>HBASE-15559</a>] -         BaseMasterAndRegionObserver doesn&#39;t implement all the methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15563'>HBASE-15563</a>] -         &#39;counter&#39; may overflow in BoundedGroupingStrategy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15566'>HBASE-15566</a>] -         Add timeouts on TestMobFlushSnapshotFromClient and TestRegionMergeTransactionOnCluster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15567'>HBASE-15567</a>] -         TestReplicationShell broken by recent replication changes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15574'>HBASE-15574</a>] -         Minor typo on HRegionServerCommandLine.java
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15578'>HBASE-15578</a>] -         Handle HBASE-15234 for ReplicationHFileCleaner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15582'>HBASE-15582</a>] -         SnapshotManifestV1 too verbose when there are no regions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15587'>HBASE-15587</a>] -         FSTableDescriptors.getDescriptor() logs stack trace erronously
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15591'>HBASE-15591</a>] -         ServerCrashProcedure not yielding
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15613'>HBASE-15613</a>] -         TestNamespaceCommand times out
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15615'>HBASE-15615</a>] -         Wrong sleep time when RegionServerCallable need retry
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15616'>HBASE-15616</a>] -         Allow null qualifier for all table operations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15617'>HBASE-15617</a>] -         Canary in regionserver mode might not enumerate all regionservers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15621'>HBASE-15621</a>] -         Suppress Hbase SnapshotHFile cleaner error  messages when a snaphot is going on
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15622'>HBASE-15622</a>] -         Superusers does not consider the keytab credentials
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15623'>HBASE-15623</a>] -         Update refguide to change hadoop &lt;= 2.3.x from NT to X for hbase-1.2.x
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15624'>HBASE-15624</a>] -         Move master branch/hbase-2.0.0 to jdk-8 only
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15627'>HBASE-15627</a>] -          Miss space and closing quote in AccessController#checkSystemOrSuperUser
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15634'>HBASE-15634</a>] -         TestDateTieredCompactionPolicy#negativeForMajor is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15635'>HBASE-15635</a>] -         Mean age of Blocks in cache (seconds) on webUI should be greater than zero
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15636'>HBASE-15636</a>] -         hard coded wait time out value in HBaseTestingUtility#waitUntilAllRegionsAssigned might cause test failure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15637'>HBASE-15637</a>] -         TSHA Thrift-2 server should allow limiting call queue size
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15638'>HBASE-15638</a>] -         Shade protobuf
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15639'>HBASE-15639</a>] -         Unguarded access to stackIndexes in Procedure#toStringDetails()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15645'>HBASE-15645</a>] -         hbase.rpc.timeout is not used in operations of HTable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15650'>HBASE-15650</a>] -         Remove TimeRangeTracker as point of contention when many threads reading a StoreFile
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15664'>HBASE-15664</a>] -         Use Long.MAX_VALUE instead of HConstants.FOREVER in CompactionPolicy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15668'>HBASE-15668</a>] -         HFileReplicator$Copier fails to replicate other hfiles in the request when a hfile in not found in FS anywhere
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15669'>HBASE-15669</a>] -         HFile size is not considered correctly in a replication request
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15670'>HBASE-15670</a>] -         Add missing Snapshot.proto to the maven profile for compiling protobuf
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15672'>HBASE-15672</a>] -         hadoop.hbase.security.visibility.TestVisibilityLabelsWithDeletes fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15673'>HBASE-15673</a>] -         [PE tool] Fix latency metrics for multiGet
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15674'>HBASE-15674</a>] -         HRegionLocator#getAllRegionLocations should put the results in cache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15676'>HBASE-15676</a>] -         FuzzyRowFilter fails and matches all the rows in the table if the mask consists of all 0s
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15684'>HBASE-15684</a>] -         Fix the broken log file size accounting
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15685'>HBASE-15685</a>] -         Typo in REST documentation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15693'>HBASE-15693</a>] -         Reconsider the ImportOrder rule of checkstyle
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15697'>HBASE-15697</a>] -         Excessive TestHRegion running time on branch-1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15698'>HBASE-15698</a>] -         Increment TimeRange not serialized to server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15699'>HBASE-15699</a>] -         Can not sync AsyncFSWAL if no edit is appended
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15703'>HBASE-15703</a>] -         Deadline scheduler needs to return to the client info about skipped calls, not just drop them
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15707'>HBASE-15707</a>] -         ImportTSV bulk output does not support tags with hfile.format.version=3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15708'>HBASE-15708</a>] -         Docker for dev-support scripts
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15710'>HBASE-15710</a>] -         Include issue servers information in RetriesExhaustedWithDetailsException message
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15711'>HBASE-15711</a>] -         Add client side property to allow logging details for batch errors
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15714'>HBASE-15714</a>] -         We are calling checkRow() twice in doMiniBatchMutation()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15725'>HBASE-15725</a>] -         make_patch.sh should add the branch name when -b is passed.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15732'>HBASE-15732</a>] -         hbase-rsgroups should be in the assembly 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15738'>HBASE-15738</a>] -         Ensure artifacts in project dist area include required md5 file
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15741'>HBASE-15741</a>] -         Provide backward compatibility for HBase coprocessor service names
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15742'>HBASE-15742</a>] -         Reduce allocation of objects in metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15746'>HBASE-15746</a>] -         Remove extra RegionCoprocessor preClose() in RSRpcServices#closeRegion
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15752'>HBASE-15752</a>] -         ClassNotFoundException is encountered when custom WAL codec is not found in WALPlayer job
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15755'>HBASE-15755</a>] -         SnapshotDescriptionUtils and SnapshotTestingUtils do not have any Interface audience marked
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15769'>HBASE-15769</a>] -         Perform validation on cluster key for add_peer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15781'>HBASE-15781</a>] -         Remove unused TableEventHandler and TotesHRegionInfo
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15782'>HBASE-15782</a>] -         TestShell fails due to some moved types
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15783'>HBASE-15783</a>] -         AccessControlConstants#OP_ATTRIBUTE_ACL_STRATEGY_CELL_FIRST not used any more.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15784'>HBASE-15784</a>] -         Misuse core/maxPoolSize of LinkedBlockingQueue in ThreadPoolExecutor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15796'>HBASE-15796</a>] -         TestMetaCache fails after HBASE-15745
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15797'>HBASE-15797</a>] -         TestIPCUtil fails after HBASE-15795
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15799'>HBASE-15799</a>] -         Two Shell &#39;close_region&#39; Example Syntaxes Don&#39;t Work
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15801'>HBASE-15801</a>] -         Upgrade checkstyle for all branches
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15803'>HBASE-15803</a>] -         ZooKeeperWatcher&#39;s constructor can leak a ZooKeeper instance with throwing ZooKeeperConnectionException when canCreateBaseZNode is true
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15807'>HBASE-15807</a>] -         Update report-flakies.py to look for &quot;FAILED&quot; status in test report
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15811'>HBASE-15811</a>] -         Batch Get after batch Put does not fetch all Cells
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15824'>HBASE-15824</a>] -         LocalHBaseCluster gets bind exception in master info port
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15828'>HBASE-15828</a>] -         fix extant findbug
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15830'>HBASE-15830</a>] -         Sasl encryption doesn&#39;t work with AsyncRpcChannelImpl
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15834'>HBASE-15834</a>] -         Correct Bloom filter documentation in section 96.4 of Reference Guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15835'>HBASE-15835</a>] -         HBaseTestingUtility#startMiniCluster throws &quot;HMasterAddress already in use&quot; RuntimeException when a local instance of HBase is running
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15840'>HBASE-15840</a>] -         WAL.proto compilation broken for cpp
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15841'>HBASE-15841</a>] -         Performance Evaluation tool total rows may not be set correctly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15844'>HBASE-15844</a>] -         We should respect hfile.block.index.cacheonwrite when write intermediate index Block
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15845'>HBASE-15845</a>] -         Shell Cleanup : move formatter to commands.rb; move one of the two hbase.rb to hbase_constants.rb
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15848'>HBASE-15848</a>] -         Fix possible null point dereference in RSGroupBasedLoadBalancer#getMisplacedRegions()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15850'>HBASE-15850</a>] -         Localize the configuration change in testCheckTableLocks to reduce flakiness of TestHBaseFsck test suite 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15853'>HBASE-15853</a>] -         HBase backups fail if there is no /user/hbase directory on HDFS
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15856'>HBASE-15856</a>] -         Cached Connection instances can wind up with addresses never resolved
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15858'>HBASE-15858</a>] -         Some region server group shell commands don&#39;t work
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15863'>HBASE-15863</a>] -         Typo in Put.java class documentation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15866'>HBASE-15866</a>] -         Split hbase.rpc.timeout into *.read.timeout and *.write.timeout
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15871'>HBASE-15871</a>] -         Memstore flush doesn&#39;t finish because of backwardseek() in memstore scanner.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15875'>HBASE-15875</a>] -         Remove HTable references and HTableInterface
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15876'>HBASE-15876</a>] -         Remove doBulkLoad(Path hfofDir, final HTable table) though it has not been through a full deprecation cycle
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15880'>HBASE-15880</a>] -         RpcClientImpl#tracedWriteRequest incorrectly closes HTrace span
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15884'>HBASE-15884</a>] -         NPE in StoreFileScanner#skipKVsNewerThanReadpoint during reverse scan
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15889'>HBASE-15889</a>] -         String case conversions are locale-sensitive, used without locale
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15891'>HBASE-15891</a>] -         Closeable resources potentially not getting closed if exception is thrown
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15897'>HBASE-15897</a>] -         Fix a wrong comment about QOS order
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15907'>HBASE-15907</a>] -         Missing documentation of create table split options
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15908'>HBASE-15908</a>] -         Checksum verification is broken due to incorrect passing of ByteBuffers in DataChecksum
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15909'>HBASE-15909</a>] -         Use Yetus&#39; patch naming rules in submit-patch.py
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15912'>HBASE-15912</a>] -         REST module has 2 extant results in findbugs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15918'>HBASE-15918</a>] -         Cleanup excludes/includes file after use in hbase-personality.sh to avoid asf license error.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15925'>HBASE-15925</a>] -         compat-module maven variable not evaluated
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15929'>HBASE-15929</a>] -         There are two classes with name TestRegionServerMetrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15932'>HBASE-15932</a>] -         Shell test fails due to uninitialized constant
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15933'>HBASE-15933</a>] -         NullPointerException may be thrown from SimpleRegionNormalizer#getRegionSize()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15938'>HBASE-15938</a>] -         submit-patch.py: Don&#39;t crash if there are tests with same name. Refactor: Split out html template to separate file.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15944'>HBASE-15944</a>] -         Spark test flooding mvn output. Redirect test logs to file.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15946'>HBASE-15946</a>] -         Eliminate possible security concerns in RS web UI&#39;s store file metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15947'>HBASE-15947</a>] -         Classes used only for tests included in main code base
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15950'>HBASE-15950</a>] -         Fix memstore size estimates to be more tighter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15952'>HBASE-15952</a>] -         Bulk load data replication is not working when RS user does not have permission on hfile-refs node
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15954'>HBASE-15954</a>] -         REST server should log requests with TRACE instead of DEBUG
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15955'>HBASE-15955</a>] -         Disable action in CatalogJanitor#setEnabled should wait for active cleanup scan to finish
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15957'>HBASE-15957</a>] -         RpcClientImpl.close never ends in some circumstances
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15959'>HBASE-15959</a>] -         Fix flaky test TestRegionServerMetrics.testMobMetrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15965'>HBASE-15965</a>] -         Shell test changes. Use @shell.command instead directly calling functions in admin.rb and other libraries.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15975'>HBASE-15975</a>] -         logic in TestHTableDescriptor#testAddCoprocessorWithSpecStr is wrong
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15976'>HBASE-15976</a>] -         RegionServerMetricsWrapperRunnable will be failure  when disable blockcache.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15977'>HBASE-15977</a>] -         Failed variable substitution on home page
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15982'>HBASE-15982</a>] -         Interface ReplicationEndpoint extends Guava&#39;s Service
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15990'>HBASE-15990</a>] -         The priority value of subsequent coprocessors in the Coprocessor.Priority.SYSTEM list are not incremented by one
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15993'>HBASE-15993</a>] -         Regex support in table names
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16000'>HBASE-16000</a>] -         Table#checkAndPut() docs are too vague
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16007'>HBASE-16007</a>] -         Job&#39;s Configuration should be passed to TableMapReduceUtil#addDependencyJars() in WALPlayer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16011'>HBASE-16011</a>] -         TableSnapshotScanner and TableSnapshotInputFormat can produce duplicate rows
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16012'>HBASE-16012</a>] -         Major compaction can&#39;t work due to obsolete scanner read point in RegionServer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16014'>HBASE-16014</a>] -         Get and Put constructor argument lists are divergent
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16016'>HBASE-16016</a>] -         AssignmentManager#waitForAssignment could have unexpected negative deadline
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16017'>HBASE-16017</a>] -         HBase TableOutputFormat has connection leak in getRecordWriter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16021'>HBASE-16021</a>] -         graceful_stop.sh: Wrap variables in double quote to avoid  &quot;[: too many arguments&quot; error
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16031'>HBASE-16031</a>] -         Documents about &quot;hbase.replication&quot; default value seems wrong
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16032'>HBASE-16032</a>] -         Possible memory leak in StoreScanner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16035'>HBASE-16035</a>] -         Nested AutoCloseables might not all get closed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16040'>HBASE-16040</a>] -         Remove configuration &quot;hbase.replication&quot;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16044'>HBASE-16044</a>] -         Fix &#39;hbase shell&#39; output parsing in graceful_stop.sh
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16045'>HBASE-16045</a>] -         endtime argument for VerifyReplication was incorrectly specified in usage
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16047'>HBASE-16047</a>] -         TestFastFail is broken again
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16053'>HBASE-16053</a>] -         Master code is not setting the table in ENABLING state in create table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16054'>HBASE-16054</a>] -         OutOfMemory exception when using AsyncRpcClient with encryption
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16055'>HBASE-16055</a>] -         PutSortReducer loses any Visibility/acl attribute set on the Puts 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16058'>HBASE-16058</a>] -         TestHRegion fails on 1.4 builds
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16059'>HBASE-16059</a>] -         Region normalizer fails to trigger merge action where one of the regions is empty
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16060'>HBASE-16060</a>] -         1.x clients cannot access table state talking to 2.0 cluster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16061'>HBASE-16061</a>] -         Allow logging to a buffered console
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16062'>HBASE-16062</a>] -         Improper error handling in WAL Reader/Writer creation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16066'>HBASE-16066</a>] -         Resolve RpC_REPEATED_CONDITIONAL_TEST findbugs warnings in HMaster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16069'>HBASE-16069</a>] -         Typo &quot;trapsparently&quot; in item 3 of chapter 87.2 of Reference Guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16070'>HBASE-16070</a>] -         Mapreduce Serialization classes do not have Interface audience
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16074'>HBASE-16074</a>] -         ITBLL fails, reports lost big or tiny families
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16076'>HBASE-16076</a>] -         Cannot configure split policy in HBase shell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16081'>HBASE-16081</a>] -         Replication remove_peer gets stuck and blocks WAL rolling
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16084'>HBASE-16084</a>] -         Clean up the stale references in javadoc
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16090'>HBASE-16090</a>] -         ResultScanner is not closed in SyncTable#finishRemainingHashRanges()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16091'>HBASE-16091</a>] -         Canary takes lot more time when there are delete markers in the table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16095'>HBASE-16095</a>] -         Add priority to TableDescriptor and priority region open thread pool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16096'>HBASE-16096</a>] -         Replication keeps accumulating znodes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16103'>HBASE-16103</a>] -         Procedure v2 - TestCloneSnapshotProcedure relies on execution order
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16109'>HBASE-16109</a>] -         Add Interface audience annotation to a few classes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16110'>HBASE-16110</a>] -         AsyncFS WAL doesn&#39;t work with Hadoop 2.8+
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16111'>HBASE-16111</a>] -         Truncate preserve shell command is broken
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16117'>HBASE-16117</a>] -         Fix Connection leak in mapred.TableOutputFormat 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16120'>HBASE-16120</a>] -         Add shell test for truncate_preserve
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16122'>HBASE-16122</a>] -         PerformanceEvaluation should provide user friendly hint when client threads argument is missing
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16125'>HBASE-16125</a>] -         RegionMover uses hardcoded, Unix-style tmp folder - breaks Windows
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16129'>HBASE-16129</a>] -         check_compatibility.sh is broken when using Java API Compliance Checker v1.7
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16132'>HBASE-16132</a>] -         Scan does not return all the result when regionserver is busy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16133'>HBASE-16133</a>] -         RSGroupBasedLoadBalancer.retainAssignment() might miss a region
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16135'>HBASE-16135</a>] -         PeerClusterZnode under rs of removed peer may never be deleted
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16144'>HBASE-16144</a>] -         Replication queue&#39;s lock will live forever if RS acquiring the lock has died prematurely
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16150'>HBASE-16150</a>] -         Remove ConcurrentIndex
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16157'>HBASE-16157</a>] -         The incorrect block cache count and size are caused by removing duplicate block key in the LruBlockCache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16159'>HBASE-16159</a>] -         OutOfMemory exception when using AsyncRpcClient with encryption to read rpc response
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16160'>HBASE-16160</a>] -         Get the UnsupportedOperationException when using delegation token with encryption
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16165'>HBASE-16165</a>] -         Decrease RpcServer.callQueueSize before writeResponse causes OOM
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16171'>HBASE-16171</a>] -         Fix the potential problems in TestHCM.testConnectionCloseAllowsInterrupt
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16172'>HBASE-16172</a>] -         Unify the retry logic in ScannerCallableWithReplicas and RpcRetryingCallerWithReadReplicas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16177'>HBASE-16177</a>] -         In dev mode thrift server can&#39;t be run
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16182'>HBASE-16182</a>] -         Increase IntegrationTestRpcClient timeout 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16183'>HBASE-16183</a>] -         Correct errors in example programs of coprocessor in Ref Guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16184'>HBASE-16184</a>] -         Shell test fails due to rLoadSink being nil
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16186'>HBASE-16186</a>] -         Fix AssignmentManager MBean name
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16187'>HBASE-16187</a>] -         Fix typo in blog post for metrics2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16190'>HBASE-16190</a>] -         IntegrationTestDDLMasterFailover failed with IllegalArgumentException: n must be positive
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16192'>HBASE-16192</a>] -         Fix the potential problems in TestAcidGuarantees
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16201'>HBASE-16201</a>] -         NPE in RpcServer causing intermittent UT failure of TestMasterReplication#testHFileCyclicReplication
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16207'>HBASE-16207</a>] -         can&#39;t restore snapshot without &quot;Admin&quot; permission
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16209'>HBASE-16209</a>] -         Provide an ExponentialBackOffPolicy sleep between failed region open requests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16211'>HBASE-16211</a>] -         JMXCacheBuster restarting the metrics system might cause tests to hang
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16221'>HBASE-16221</a>] -         Thrift server drops connection on long scans
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16227'>HBASE-16227</a>] -         [Shell] Column value formatter not working in scans
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16234'>HBASE-16234</a>] -         Expect and handle nulls when assigning replicas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16235'>HBASE-16235</a>] -         TestSnapshotFromMaster#testSnapshotHFileArchiving will fail if there are too many hfiles
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16238'>HBASE-16238</a>] -         It&#39;s useless to catch SESSIONEXPIRED exception and retry in RecoverableZooKeeper
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16239'>HBASE-16239</a>] -         Better logging for RPC related exceptions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16244'>HBASE-16244</a>] -         LocalHBaseCluster start timeout should be configurable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16267'>HBASE-16267</a>] -         Remove commons-httpclient dependency from hbase-rest module
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16270'>HBASE-16270</a>] -         Handle duplicate clearing of snapshot in region replicas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16271'>HBASE-16271</a>] -         Fix logging and re-run the test in IntegrationTestBulkLoad
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16272'>HBASE-16272</a>] -         Overflow in ServerName&#39;s compareTo method
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16281'>HBASE-16281</a>] -         TestMasterReplication is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16283'>HBASE-16283</a>] -         Batch Append/Increment will always fail if set ReturnResults to false
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16284'>HBASE-16284</a>] -         Unauthorized client can shutdown the cluster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16288'>HBASE-16288</a>] -         HFile intermediate block level indexes might recurse forever creating multi TB files
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16289'>HBASE-16289</a>] -         AsyncProcess stuck messages need to print region/server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16290'>HBASE-16290</a>] -         Dump summary of callQueue content; can help debugging
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16292'>HBASE-16292</a>] -         Can&#39;t start a local instance
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16293'>HBASE-16293</a>] -         TestSnapshotFromMaster#testSnapshotHFileArchiving flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16294'>HBASE-16294</a>] -         hbck reporting &quot;No HDFS region dir found&quot; for replicas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16296'>HBASE-16296</a>] -         Reverse scan performance degrades when using filter lists
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16300'>HBASE-16300</a>] -         LruBlockCache.CACHE_FIXED_OVERHEAD should calculate LruBlockCache size correctly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16301'>HBASE-16301</a>] -         Trigger flush without waiting when compaction is disabled on a table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16303'>HBASE-16303</a>] -         FilterList with MUST_PASS_ONE optimization
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16304'>HBASE-16304</a>] -         HRegion#RegionScannerImpl#handleFileNotFoundException may lead to deadlock when trying to obtain write lock on updatesLock
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16306'>HBASE-16306</a>] -         Add specific imports to avoid namespace clash in defaultSource.scala
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16309'>HBASE-16309</a>] -         TestDefaultCompactSelection.testCompactionRatio is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16310'>HBASE-16310</a>] -         Revisit the logic of filterRowKey for Filters
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16315'>HBASE-16315</a>] -         RegionSizeCalculator prints region names as binary without escapes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16319'>HBASE-16319</a>] -         Fix TestCacheOnWrite after HBASE-16288
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16326'>HBASE-16326</a>] -         CellModel / RowModel should override &#39;equals&#39;, &#39;hashCode&#39; and &#39;toString&#39;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16341'>HBASE-16341</a>] -         Missing bit on &quot;Regression: Random Read/WorkloadC slower in 1.x than 0.98&quot;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16345'>HBASE-16345</a>] -         RpcRetryingCallerWithReadReplicas#call() should catch some RegionServer Exceptions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16347'>HBASE-16347</a>] -         Unevaluated expressions in book
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16350'>HBASE-16350</a>] -         Undo server abort from HBASE-14968
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16353'>HBASE-16353</a>] -         Deprecate / Remove Get.isClosestRowBefore() 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16355'>HBASE-16355</a>] -         hbase-client dependency on hbase-common test-jar should be test scope
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16356'>HBASE-16356</a>] -         REST API scanner: row prefix filter and custom filter parameters are mutually exclusive
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16359'>HBASE-16359</a>] -         NullPointerException in RSRpcServices.openRegion()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16360'>HBASE-16360</a>] -         TableMapReduceUtil addHBaseDependencyJars has the wrong class name for PrefixTreeCodec
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16361'>HBASE-16361</a>] -         Revert of HBASE-16317, &quot;revert all ESAPI...&quot; broke TestLogLevel
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16362'>HBASE-16362</a>] -         Mob compaction does not set cacheBlocks to false when creating StoreScanner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16363'>HBASE-16363</a>] -         Correct javadoc for qualifier length and value length in Cell interface
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16367'>HBASE-16367</a>] -         Race between master and region server initialization may lead to premature server abort
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16368'>HBASE-16368</a>] -         test*WhenRegionMove in TestPartialResultsFromClientSide is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16375'>HBASE-16375</a>] -         Mapreduce mini cluster using HBaseTestingUtility not setting correct resourcemanager and jobhistory webapp address of MapReduceTestingShim  
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16384'>HBASE-16384</a>] -         Update report-flakies.py script to allow specifying a list of build ids to be excluded
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16386'>HBASE-16386</a>] -         Fix findbug RV_RETURN_VALUE_IGNORED: Method ignores return value In HRegionServer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16389'>HBASE-16389</a>] -         Thread leak in CoprocessorHost#getTable(TableName) API
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16390'>HBASE-16390</a>] -         Fix documentation around setAutoFlush
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16409'>HBASE-16409</a>] -         Row key for bad row should be properly delimited in VerifyReplication
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16429'>HBASE-16429</a>] -         FSHLog: deadlock if rollWriter called when ring buffer filled with appends
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16430'>HBASE-16430</a>] -         Fix RegionServer Group&#39;s bug when moving multiple tables
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16444'>HBASE-16444</a>] -         CellUtil#estimatedSerializedSizeOfKey() should consider KEY_INFRASTRUCTURE_SIZE
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16446'>HBASE-16446</a>] -         append_peer_tableCFs failed when there already have this table&#39;s partial cfs in the peer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16454'>HBASE-16454</a>] -         Compactor&#39;s shipping logic decision should be based on the current store&#39;s block size
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16456'>HBASE-16456</a>] -         Fix findbugs warnings in hbase-rsgroup module
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16460'>HBASE-16460</a>] -         Can&#39;t rebuild the BucketAllocator&#39;s data structures when BucketCache uses FileIOEngine
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16464'>HBASE-16464</a>] -         archive folder grows bigger and bigger due to corrupt snapshot under tmp dir
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16471'>HBASE-16471</a>] -         Region Server metrics context will be wrong when machine hostname contain &quot;master&quot; word
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16490'>HBASE-16490</a>] -         Fix race condition between SnapshotManager and SnapshotCleaner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16491'>HBASE-16491</a>] -         A few org.apache.hadoop.hbase.rsgroup classes missing @InterfaceAudience annotation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16495'>HBASE-16495</a>] -         When accessed via Thrift, all column families have timeToLive equal to -1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16499'>HBASE-16499</a>] -         slow replication for small HBase clusters
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16515'>HBASE-16515</a>] -         AsyncProcess has incorrent count of tasks if the backoff policy is enabled
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16527'>HBASE-16527</a>] -         IOExceptions from DFS client still can cause CatalogJanitor to delete referenced files
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16528'>HBASE-16528</a>] -         Procedure-V2: ServerCrashProcedure misses owner information
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16535'>HBASE-16535</a>] -         Use regex to exclude generated classes for findbugs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16538'>HBASE-16538</a>] -         Version mismatch in HBaseConfiguration.checkDefaultsVersion
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16540'>HBASE-16540</a>] -         Scan should do additional validation on start and stop row
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16544'>HBASE-16544</a>] -         Remove or Clarify  &#39;Using Amazon S3 Storage&#39; section in the reference guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16547'>HBASE-16547</a>] -         hbase-archetype-builder shell scripts assume bash is installed in /bin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16551'>HBASE-16551</a>] -         Cleanup SplitLogManager and CatalogJanitor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16552'>HBASE-16552</a>] -         MiniHBaseCluster#getServerWith() does not ignore stopped RSs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16556'>HBASE-16556</a>] -         The read/write timeout are not used in HTable.delete(List), HTable.get(List), and HTable.existsAll(List)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16572'>HBASE-16572</a>] -         Sync method in RecoverableZooKeeper failed to pass callback function in
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16576'>HBASE-16576</a>] -         Shell add_peer doesn&#39;t allow setting cluster_key for custom endpoints
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16578'>HBASE-16578</a>] -         Mob data loss after mob compaction and normal compaction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16589'>HBASE-16589</a>] -         Adjust log level for FATAL messages from HBaseReplicationEndpoint that are not fatal
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16604'>HBASE-16604</a>] -         Scanner retries on IOException can cause the scans to miss data 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16609'>HBASE-16609</a>] -         Fake cells EmptyByteBufferedCell  created in read path not implementing SettableSequenceId 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16611'>HBASE-16611</a>] -         Flakey org.apache.hadoop.hbase.client.TestReplicasClient.testCancelOfMultiGet
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16612'>HBASE-16612</a>] -         Use array to cache Types for KeyValue.Type.codeToType
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16614'>HBASE-16614</a>] -         Use daemon thread for netty event loop
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16615'>HBASE-16615</a>] -         Fix flaky TestScannerHeartbeatMessages
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16621'>HBASE-16621</a>] -         HBCK should have -fixHFileLinks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16622'>HBASE-16622</a>] -         Fix some issues with the HBase reference guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16624'>HBASE-16624</a>] -         MVCC DeSerialization bug in the HFileScannerImpl
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16630'>HBASE-16630</a>] -         Fragmentation in long running Bucket Cache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16635'>HBASE-16635</a>] -         RpcClient under heavy load leaks some netty bytebuf
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16643'>HBASE-16643</a>] -         Reverse scanner heap creation may not allow MSLAB closure due to improper ref counting of segments
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16644'>HBASE-16644</a>] -         Errors when reading legit HFile Trailer of old (v2.0) format file
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16645'>HBASE-16645</a>] -         Wrong range of Cells is caused by CellFlatMap#tailMap, headMap, and SubMap
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16647'>HBASE-16647</a>] -         hbck should do offline reference repair before online repair
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16649'>HBASE-16649</a>] -         Truncate table with splits preserved can cause both data loss and truncated data appeared again
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16654'>HBASE-16654</a>] -         Better handle channelInactive and close for netty rpc client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16660'>HBASE-16660</a>] -         ArrayIndexOutOfBounds during the majorCompactionCheck in DateTieredCompaction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16662'>HBASE-16662</a>] -         Fix open POODLE vulnerabilities
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16663'>HBASE-16663</a>] -         JMX ConnectorServer stopped when unauthorized user try to stop HM/RS/cluster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16664'>HBASE-16664</a>] -         Timeout logic in AsyncProcess is broken
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16665'>HBASE-16665</a>] -         Check whether KeyValueUtil.createXXX could be replaced by CellUtil without copy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16669'>HBASE-16669</a>] -         fix flaky TestAdmin#testmergeRegions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16670'>HBASE-16670</a>] -         Make RpcServer#processRequest logic more robust
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16675'>HBASE-16675</a>] -         Average region size may be incorrect when there is region whose RegionLoad cannot be retrieved
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16678'>HBASE-16678</a>] -         MapReduce jobs do not update counters from ScanMetrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16679'>HBASE-16679</a>] -         Flush throughput controller: Minor perf change and fix flaky TestFlushWithThroughputController
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16681'>HBASE-16681</a>] -         Fix flaky TestReplicationSourceManagerZkImpl
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16682'>HBASE-16682</a>] -         Fix Shell tests failure. NoClassDefFoundError for MiniKdc
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16688'>HBASE-16688</a>] -         Split TestMasterFailoverWithProcedures
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16693'>HBASE-16693</a>] -         The commit of HBASE-16604 creates a unrelated folder
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16696'>HBASE-16696</a>] -         After HBASE-16604 - does not release blocks in case of scanner exception
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16697'>HBASE-16697</a>] -         bump TestRegionServerMetrics to LargeTests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16699'>HBASE-16699</a>] -         Overflows in AverageIntervalRateLimiter&#39;s refill() and getWaitInterval()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16701'>HBASE-16701</a>] -         TestHRegion and TestHRegionWithInMemoryFlush timing out
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16704'>HBASE-16704</a>] -         Scan will be broken while working with DBE and KeyValueCodecWithTags
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16711'>HBASE-16711</a>] -         Fix hadoop-3.0 profile compile
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16712'>HBASE-16712</a>] -         fix hadoop-3.0 profile mvn install
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16716'>HBASE-16716</a>] -         OfflineMetaRepair leaves empty directory inside /hbase/WALs which remains forever
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16718'>HBASE-16718</a>] -         TestMobFlushSnapshotFromClient,TestFlushSnapshotFromClient, TestRestoreFlushSnapshotFromClient are failing in QA builds
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16721'>HBASE-16721</a>] -         Concurrency issue in WAL unflushed seqId tracking
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16722'>HBASE-16722</a>] -         Document: Broken link in CatalogJanitor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16723'>HBASE-16723</a>] -         RMI registry is not destroyed after stopping JMX Connector Server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16724'>HBASE-16724</a>] -         Snapshot owner can&#39;t clone
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16731'>HBASE-16731</a>] -         Inconsistent results from the Get/Scan if we use the empty FilterList
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16732'>HBASE-16732</a>] -         Avoid possible NPE in MetaTableLocator
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16733'>HBASE-16733</a>] -         add hadoop 3.0.0-alpha1 to precommit checks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16739'>HBASE-16739</a>] -         Timed out exception message should include encoded region name
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16743'>HBASE-16743</a>] -         TestSimpleRpcScheduler#testCoDelScheduling is broke
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16746'>HBASE-16746</a>] -         The log of “region close” should differ from “region move”
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16752'>HBASE-16752</a>] -         Upgrading from 1.2 to 1.3 can lead to replication failures due to difference in RPC size limit
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16753'>HBASE-16753</a>] -         There is a mismatch between suggested Java version in hbase-env.sh
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16754'>HBASE-16754</a>] -         Regions failing compaction due to referencing non-existent store file
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16763'>HBASE-16763</a>] -         Remove unintentional dependency on net.sf.ehcache.search.Results
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16764'>HBASE-16764</a>] -         hbase-protocol-shaded generate-shaded-classes profile unpacks shaded java files into wrong location
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16765'>HBASE-16765</a>] -         New SteppingRegionSplitPolicy, avoid too aggressive spread of regions for small tables.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16767'>HBASE-16767</a>] -         Mob compaction needs to clean up files in /hbase/mobdir/.tmp and /hbase/mobdir/.tmp/.bulkload when running into IO exceptions 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16768'>HBASE-16768</a>] -         Inconsistent results from the Append/Increment
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16769'>HBASE-16769</a>] -         Deprecate/remove PB references from MasterObserver and RegionServerObserver
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16771'>HBASE-16771</a>] -         VerifyReplication should increase GOODROWS counter if re-comparison passes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16780'>HBASE-16780</a>] -         Since move to protobuf3.1, Cells are limited to 64MB where previous they had no limit
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16785'>HBASE-16785</a>] -         We are not running all tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16793'>HBASE-16793</a>] -         Exclude shaded protobuf files from rat check
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16801'>HBASE-16801</a>] -         The Append/Increment may return the data from future
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16807'>HBASE-16807</a>] -         RegionServer will fail to report new active Hmaster until HMaster/RegionServer failover
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16808'>HBASE-16808</a>] -         Included the generated, shaded java files from &quot;HBASE-15638 Shade protobuf&quot; in our src assembly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16810'>HBASE-16810</a>] -         HBase Balancer throws ArrayIndexOutOfBoundsException when regionservers are in /hbase/draining znode and unloaded
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16815'>HBASE-16815</a>] -         Low scan ratio in RPC queue tuning triggers divide by zero exception
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16824'>HBASE-16824</a>] -         Writer.flush() can be called on already closed streams in WAL roll
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16829'>HBASE-16829</a>] -         DemoClient should detect secure mode
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16841'>HBASE-16841</a>] -         Data loss in MOB files after cloning a snapshot and deleting that snapshot
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16853'>HBASE-16853</a>] -         Regions are assigned to Region Servers in /hbase/draining after HBase Master failover
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16855'>HBASE-16855</a>] -         Avoid NPE in MetricsConnection’s construction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16856'>HBASE-16856</a>] -         Exception message in SyncRunner.run() should print currentSequence
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16858'>HBASE-16858</a>] -         TestFuzzyRowFilterEndToEnd fails in QA builds
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16866'>HBASE-16866</a>] -         Avoid NPE in AsyncRequestFutureImpl#updateStats
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16870'>HBASE-16870</a>] -         Add the metrics of replication sources which were transformed from other dead rs to ReplicationLoad
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16875'>HBASE-16875</a>] -         Changed try-with-resources in the docs to recommended way
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16880'>HBASE-16880</a>] -         Correct the javadoc/behaviour of the APIs in ByteBufferUtils
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16884'>HBASE-16884</a>] -         Add HBase-2.0.x to the hadoop version support matrix in our documentation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16886'>HBASE-16886</a>] -         hbase-client: scanner with reversed=true and small=true gets no result
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16887'>HBASE-16887</a>] -         Allow setting different hadoopcheck versions in precommit for different branches
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16889'>HBASE-16889</a>] -         Proc-V2: verifyTables in the IntegrationTestDDLMasterFailover test after each table DDL is incorrect 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16910'>HBASE-16910</a>] -         Avoid NPE when starting StochasticLoadBalancer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16929'>HBASE-16929</a>] -         Move default method of shipped to Shipper interface
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16930'>HBASE-16930</a>] -         AssignmentManager#checkWals() function can recur infinitely
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16931'>HBASE-16931</a>] -         Setting cell&#39;s seqId to zero in compaction flow might cause RS down.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16938'>HBASE-16938</a>] -         TableCFsUpdater maybe failed due to no write permission on peerNode
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16939'>HBASE-16939</a>] -         ExportSnapshot: set owner and permission on right directory
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16948'>HBASE-16948</a>] -         Fix inconsistency between HRegion and Region javadoc on getRowLock
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16949'>HBASE-16949</a>] -         Fix RAT License complaint about the hbase-protocol-shaded/src/main/patches content
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16960'>HBASE-16960</a>] -         RegionServer hang when aborting
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16962'>HBASE-16962</a>] -         Add readPoint to preCompactScannerOpen() and preFlushScannerOpen() API
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16964'>HBASE-16964</a>] -         Successfully archived files are not cleared from compacted store file list if archiving of any file fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16966'>HBASE-16966</a>] -         Re-enable TestSimpleRpcScheduler#testCoDelScheduling  in master branch
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16971'>HBASE-16971</a>] -         The passed durability of Append/Increment isn&#39;t used in wal sync
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16974'>HBASE-16974</a>] -         Update os-maven-plugin to 1.4.1.final+ for building shade file on RHEL/CentOS
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16976'>HBASE-16976</a>] -         hbase-protocol-shaded module generates classes to wrong directory
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16980'>HBASE-16980</a>] -         TestRowProcessorEndpoint failing consistently
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16983'>HBASE-16983</a>] -         TestMultiTableSnapshotInputFormat failing with  Unable to create region directory: /tmp/...
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16985'>HBASE-16985</a>] -         TestClusterId failed due to wrong hbase rootdir
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16989'>HBASE-16989</a>] -         RowProcess#postBatchMutate doesn’t be executed before the mvcc transaction completion
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16992'>HBASE-16992</a>] -         The usage of mutation from CP is weird.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16993'>HBASE-16993</a>] -         BucketCache throw java.io.IOException: Invalid HFile block magic when configuring hbase.bucketcache.bucket.sizes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17020'>HBASE-17020</a>] -         keylen in midkey() dont computed correctly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17032'>HBASE-17032</a>] -         CallQueueTooBigException and CallDroppedException should not be triggering PFFE
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17033'>HBASE-17033</a>] -         LogRoller makes a lot of allocations unnecessarily
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17039'>HBASE-17039</a>] -         SimpleLoadBalancer schedules large amount of invalid region moves
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17042'>HBASE-17042</a>] -         Remove &#39;public&#39; keyword from MasterObserver interface
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17044'>HBASE-17044</a>] -         Fix merge failed before creating merged region leaves meta inconsistent
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17052'>HBASE-17052</a>] -         compile-protobuf profile does not compile protobufs in some modules anymore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17054'>HBASE-17054</a>] -         Compactor#preCreateCoprocScanner should be passed user
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17056'>HBASE-17056</a>] -         Remove checked in PB generated files 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17058'>HBASE-17058</a>] -         Lower epsilon used for jitter verification from HBASE-15324
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17062'>HBASE-17062</a>] -         RegionSplitter throws ClassCastException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17069'>HBASE-17069</a>] -         RegionServer writes invalid META entries for split daughters in some circumstances
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17072'>HBASE-17072</a>] -         CPU usage starts to climb up to 90-100% when using G1GC; purge ThreadLocal usage
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17074'>HBASE-17074</a>] -         PreCommit job always fails because of OOM
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17078'>HBASE-17078</a>] -         hadoop.profile=3.0 profile build fails because hadoop-three-compat.xml does not exist
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17079'>HBASE-17079</a>] -         HBase build fails on windows, hbase-archetype-builder is reason for failure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17082'>HBASE-17082</a>] -         ForeignExceptionUtil isn’t packaged when building shaded protocol with -Pcompile-protobuf
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17091'>HBASE-17091</a>] -         IntegrationTestZKAndFSPermissions failed with &#39;KeeperException$NoNodeException&#39; 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17092'>HBASE-17092</a>] -         Both LoadIncrementalHFiles#doBulkLoad() methods should set return value
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17095'>HBASE-17095</a>] -         The ClientSimpleScanner keeps retrying if the hfile is corrupt or cannot found
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17105'>HBASE-17105</a>] -         Annotate RegionServerObserver
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17112'>HBASE-17112</a>] -         Prevent setting timestamp of delta operations the same as previous value&#39;s
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17116'>HBASE-17116</a>] -         [PerformanceEvaluation] Add option to configure block size
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17118'>HBASE-17118</a>] -         StoreScanner leaked in KeyValueHeap
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17125'>HBASE-17125</a>] -         Inconsistent result when use filter to read data
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17127'>HBASE-17127</a>] -         Locate region should fail fast if underlying Connection already closed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17131'>HBASE-17131</a>] -         Avoid livelock caused by HRegion#processRowsWithLocks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17133'>HBASE-17133</a>] -         Backup documentation update
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17144'>HBASE-17144</a>] -         Possible offheap read ByteBuffers leak
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17158'>HBASE-17158</a>] -         Avoid deadlock caused by HRegion#doDelta
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17160'>HBASE-17160</a>] -         Undo unnecessary inter-module dependency; spark to hbase-it and hbase-it to shell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17166'>HBASE-17166</a>] -         ITBLL fails on master unable to find hbase-protocol-shaded content
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17170'>HBASE-17170</a>] -         HBase is also retrying DoNotRetryIOException because of class loader differences.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17171'>HBASE-17171</a>] -         IntegrationTestTimeBoundedRequestsWithRegionReplicas fails with obtuse error when readers have no time to run
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17186'>HBASE-17186</a>] -         MasterProcedureTestingUtility#testRecoveryAndDoubleExecution displays stale procedure state info
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17187'>HBASE-17187</a>] -         DoNotRetryExceptions from coprocessors should bubble up to the application
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17192'>HBASE-17192</a>] -         remove use of scala-tools.org from pom
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17197'>HBASE-17197</a>] -         hfile does not work in 2.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17206'>HBASE-17206</a>] -         FSHLog may roll a new writer successfully with unflushed entries
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17224'>HBASE-17224</a>] -         There are lots of spelling errors in the HBase logging and exception messages
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17228'>HBASE-17228</a>] -         precommit grep -c ERROR may grab non errors
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17231'>HBASE-17231</a>] -         Region#getCellCompartor sp?
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17237'>HBASE-17237</a>] -         Override the correct compact method in HMobStore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17240'>HBASE-17240</a>] -         ImportTsv encounters ClassNotFoundException for MasterProtos$MasterService$BlockingInterface
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17248'>HBASE-17248</a>] -         SimpleRegionNormalizer javadoc correction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17252'>HBASE-17252</a>] -         Wrong arguments for ValueAndTagRewriteCell in CellUtil
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17256'>HBASE-17256</a>] -         Rpc handler monitoring will be removed when the task queue is full
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17271'>HBASE-17271</a>] -         hbase-thrift QA tests only run one test
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17286'>HBASE-17286</a>] -         LICENSE.txt in binary tarball contains only ASL text
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17287'>HBASE-17287</a>] -         Master becomes a zombie if filesystem object closes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17290'>HBASE-17290</a>] -         Potential loss of data for replication of bulk loaded hfiles
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17297'>HBASE-17297</a>] -         Single Filter in parenthesis cannot be parsed correctly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17302'>HBASE-17302</a>] -         The region flush request disappeared from flushQueue
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17309'>HBASE-17309</a>] -         Fix connection leaks in TestAcidGuarantees
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17326'>HBASE-17326</a>] -         Fix findbugs warning in BufferedMutatorParams
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17328'>HBASE-17328</a>] -         Properly dispose of looped replication peers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17330'>HBASE-17330</a>] -         SnapshotFileCache will always refresh the file cache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17333'>HBASE-17333</a>] -         HBASE-17294 always ensures CompactingMemstore is default
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17341'>HBASE-17341</a>] -         Add a timeout during replication endpoint termination
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17344'>HBASE-17344</a>] -         The regionserver web UIs miss the coprocessors of RegionServerCoprocessorHost.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17347'>HBASE-17347</a>] -         ExportSnapshot may write snapshot info file to wrong directory when specifying target name
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17351'>HBASE-17351</a>] -         Enforcer plugin fails with NullPointerException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17352'>HBASE-17352</a>] -         Fix hbase-assembly build with bash 4
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17357'>HBASE-17357</a>] -         PerformanceEvaluation parameters parsing triggers NPE.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17366'>HBASE-17366</a>] -         Run TestHFile#testReaderWithoutBlockCache failes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17374'>HBASE-17374</a>] -         ZKPermissionWatcher crashed when grant after region close
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17376'>HBASE-17376</a>] -         ClientAsyncPrefetchScanner may fail due to too many rows
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17381'>HBASE-17381</a>] -         ReplicationSourceWorkerThread can die due to unhandled exceptions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17385'>HBASE-17385</a>] -         Change usage documentation from bin/hbase to hbase in various tools 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17387'>HBASE-17387</a>] -         Reduce the overhead of exception report in RegionActionResult for multi()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17390'>HBASE-17390</a>] -         Online update of configuration for all servers leaves out masters
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17403'>HBASE-17403</a>] -         ClientAsyncPrefetchScanner doesn’t load any data if the MaxResultSize is too small
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17407'>HBASE-17407</a>] -         Correct update of maxFlushedSeqId in HRegion
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17421'>HBASE-17421</a>] -         Update refguide w.r.t. MOB Sweeper
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17424'>HBASE-17424</a>] -         Protect REST client against malicious XML responses.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17426'>HBASE-17426</a>] -         Inconsistent environment variable names for enabling JMX
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17429'>HBASE-17429</a>] -         HBase bulkload cannot support HDFS viewFs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17430'>HBASE-17430</a>] -         dead links in ref guide to class javadocs that moved out of user APIs.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17434'>HBASE-17434</a>] -         New Synchronization Scheme for Compaction Pipeline
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17435'>HBASE-17435</a>] -         Call to preCommitStoreFile() hook encounters SaslException in secure deployment
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17441'>HBASE-17441</a>] -         precommit test &quot;hadoopcheck&quot; not properly testing Hadoop 3 profile
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17445'>HBASE-17445</a>] -         Count size of serialized exceptions in checking max result size quota
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17450'>HBASE-17450</a>] -         TablePermission#equals throws NPE after namespace support was added
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17452'>HBASE-17452</a>] -         Failed taking snapshot - region Manifest proto-message too large
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17460'>HBASE-17460</a>] -         enable_table_replication can not perform cyclic replication of a table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17464'>HBASE-17464</a>] -         Fix HBaseTestingUtility.getNewDataTestDirOnTestFS to always return a unique path
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17469'>HBASE-17469</a>] -         Properly handle empty TableName in TablePermission#readFields and #write
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17471'>HBASE-17471</a>] -         Region Seqid will be out of order in WAL if using mvccPreAssign
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17475'>HBASE-17475</a>] -         Stack overflow in AsyncProcess if retry too much
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17482'>HBASE-17482</a>] -         mvcc mechanism fails when using mvccPreAssign
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17486'>HBASE-17486</a>] -         Tighten the contract for batch client methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17489'>HBASE-17489</a>] -         ClientScanner may send a next request to a RegionScanner which has been exhausted
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17496'>HBASE-17496</a>] -         RSGroup shell commands:get_server_rsgroup don&#39;t work and commands display an incorrect result size
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17501'>HBASE-17501</a>] -         NullPointerException after Datanodes Decommissioned and Terminated
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17513'>HBASE-17513</a>] -         Thrift Server 1 uses different QOP settings than RPC and Thrift Server 2 and can easily be misconfigured so there is no encryption when the operator expects it.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17518'>HBASE-17518</a>] -         HBase Reference Guide has a syntax error
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17522'>HBASE-17522</a>] -         RuntimeExceptions from MemoryMXBean should not take down server process
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17538'>HBASE-17538</a>] -         HDFS.setStoragePolicy() logs errors on local fs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17540'>HBASE-17540</a>] -         Change SASL server GSSAPI callback log line from DEBUG to TRACE in RegionServer to reduce log volumes in DEBUG mode
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17545'>HBASE-17545</a>] -         &#39;mvn test&#39; does not run all the tests in hbase-endpoint
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17558'>HBASE-17558</a>] -         ZK dumping jsp should escape html 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17565'>HBASE-17565</a>] -         StochasticLoadBalancer may incorrectly skip balancing due to skewed multiplier sum
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17578'>HBASE-17578</a>] -         Thrift per-method metrics should still update in the case of exceptions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17581'>HBASE-17581</a>] -         mvn clean test -PskipXXXTests does not work properly for some modules
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17582'>HBASE-17582</a>] -         Drop page cache hint is broken
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17587'>HBASE-17587</a>] -         Do not Rethrow DoNotRetryIOException as UnknownScannerException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17590'>HBASE-17590</a>] -         Drop cache hint should work for StoreFile write path
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17593'>HBASE-17593</a>] -         Fix build with hadoop 3 profile
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17601'>HBASE-17601</a>] -         close() in TableRecordReaderImpl assumes the split has started
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17603'>HBASE-17603</a>] -         REST API for scan should return 404 when table does not exist
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17606'>HBASE-17606</a>] -         Fix failing TestRpcControllerFactory introduced by HBASE-17508
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17607'>HBASE-17607</a>] -         Rest api for scan should return 404 when table not exists
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17611'>HBASE-17611</a>] -         Thrift 2 per-call latency metrics are capped at ~ 2 seconds
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17616'>HBASE-17616</a>] -         Incorrect actions performed by CM
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17622'>HBASE-17622</a>] -         Add hbase-metrics package to TableMapReduceUtil
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17624'>HBASE-17624</a>] -         Address late review of HBASE-6721, rsgroups feature
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17631'>HBASE-17631</a>] -         Canary interval too low
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17638'>HBASE-17638</a>] -         Remove duplicated initialization of CacheConfig in HRegionServer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17639'>HBASE-17639</a>] -         Do not stop server if ReplicationSourceManager&#39;s waitUntilCanBePushed throws InterruptedException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17640'>HBASE-17640</a>] -         Unittest error in TestMobCompactor with different timezone
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17648'>HBASE-17648</a>] -         HBase Table-level synchronization fails between two secured(kerberized) clusters
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17649'>HBASE-17649</a>] -         REST API for scan should return 410 when table is disabled
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17653'>HBASE-17653</a>] -         HBASE-17624 rsgroup synchronizations will (distributed) deadlock
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17658'>HBASE-17658</a>] -         Fix bookkeeping error with max regions for a table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17660'>HBASE-17660</a>] -         HFileSplitter is not being applied during full table restore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17661'>HBASE-17661</a>] -         fix the queue length passed to FastPathBalancedQueueRpcExecutor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17670'>HBASE-17670</a>] -         LruBlockCache with VictimHandler should evict from bucket cache also when eviction by filename happens
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17673'>HBASE-17673</a>] -         Monitored RPC Handler not shown in the WebUI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17674'>HBASE-17674</a>] -         Major compaction may be cancelled in CompactionChecker
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17675'>HBASE-17675</a>] -         ReplicationEndpoint should choose new sinks if a SaslException occurs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17677'>HBASE-17677</a>] -         ServerName parsing from directory name should be more robust to errors from guava&#39;s HostAndPort
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17682'>HBASE-17682</a>] -         Region stuck in merging_new state indefinitely
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17688'>HBASE-17688</a>] -         MultiRowRangeFilter not working correctly if given same start and stop RowKey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17698'>HBASE-17698</a>] -         ReplicationEndpoint choosing sinks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17699'>HBASE-17699</a>] -         Fix TestLockProcedure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17705'>HBASE-17705</a>] -         Procedure execution must fail fast if procedure is not registered
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17706'>HBASE-17706</a>] -         TableSkewCostFunction improperly computes max skew
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17710'>HBASE-17710</a>] -         HBase in standalone mode creates directories with 777 permission
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17712'>HBASE-17712</a>] -         Remove/Simplify the logic of RegionScannerImpl.handleFileNotFound
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17713'>HBASE-17713</a>] -         the interface &#39;/version/cluster&#39; with header &#39;Accept: application/json&#39; return is not JSON but plain text
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17717'>HBASE-17717</a>] -         Incorrect ZK ACL set for HBase superuser
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17718'>HBASE-17718</a>] -         Difference between RS&#39;s servername and its ephemeral node cause SSH stop working
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17722'>HBASE-17722</a>] -         Metrics subsystem stop/start messages add a lot of useless bulk to operational logging
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17723'>HBASE-17723</a>] -         ClientAsyncPrefetchScanner may end prematurely when the size of the cache is one
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17729'>HBASE-17729</a>] -         Missing shortcuts for some useful HCD options
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17736'>HBASE-17736</a>] -         Some options can&#39;t be configured by the shell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17746'>HBASE-17746</a>] -         TestSimpleRpcScheduler.testCoDelScheduling is broken
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17760'>HBASE-17760</a>] -         HDFS Balancer doc is misleading
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17761'>HBASE-17761</a>] -         Test TestRemoveRegionMetrics.testMoveRegion fails intermittently because of race condition
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17763'>HBASE-17763</a>] -         IPCUtil.wrapException will wrap DoNotRetryIOException with IOException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17772'>HBASE-17772</a>] -         IntegrationTestRSGroup won&#39;t run
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17773'>HBASE-17773</a>] -         VerifyReplication tool wrongly emits warning &quot;ERROR: Invalid argument &#39;--recomparesleep=xx&#39;&quot;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17779'>HBASE-17779</a>] -         disable_table_replication returns misleading message and does not turn off replication
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17780'>HBASE-17780</a>] -         BoundedByteBufferPool &quot;At capacity&quot; messages are not actionable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17781'>HBASE-17781</a>] -         TestAcidGuarantees is broken
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17785'>HBASE-17785</a>] -         RSGroupBasedLoadBalancer fails to assign new table regions when cloning snapshot
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17792'>HBASE-17792</a>] -         Use a shared thread pool for AtomicityWriter, AtomicGetReader, AtomicScanReader&#39;s connections in TestAcidGuarantees
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17798'>HBASE-17798</a>] -         RpcServer.Listener.Reader can abort due to CancelledKeyException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17803'>HBASE-17803</a>] -         PE always re-creates table when we specify the split policy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17807'>HBASE-17807</a>] -         correct the value of zookeeper.session.timeout in hbase doc
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17811'>HBASE-17811</a>] -         TestThriftHttpServer.testRunThriftServerWithHeaderBufferLength is broken in &quot;branch-1&quot;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17812'>HBASE-17812</a>] -         Remove RpcConnection from pool in AbstractRpcClient.cancelConnections
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17816'>HBASE-17816</a>] -         HRegion#mutateRowWithLocks should update writeRequestCount metric
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17821'>HBASE-17821</a>] -         The CompoundConfiguration#toString is wrong
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17839'>HBASE-17839</a>] -         &quot;Data Model&quot; section: Table 1 has only 5 data rows instead 6.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17853'>HBASE-17853</a>] -         Link to &quot;Why does HBase care about /etc/hosts?&quot; does not work
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17862'>HBASE-17862</a>] -         Condition that always returns true
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17863'>HBASE-17863</a>] -         Procedure V2:  Proc Executor cleanup. Split FINISHED state to two states: SUCCESS and FAILED.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17869'>HBASE-17869</a>] -         UnsafeAvailChecker wrongly returns false on ppc
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17871'>HBASE-17871</a>] -         scan#setBatch(int) call leads wrong result of VerifyReplication
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17874'>HBASE-17874</a>] -         Limiting of read request response size based on block size may go wrong when blocks are read from onheap or off heap bucket cache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17878'>HBASE-17878</a>] -         java.lang.NoSuchMethodError: org.joda.time.format.DateTimeFormatter.withZoneUTC()Lorg/joda/time/format/DateTimeFormatter when starting HBase with hbase.rootdir on S3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17879'>HBASE-17879</a>] -         Avoid NPE in snapshot.jsp when accessing without any request parameter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17886'>HBASE-17886</a>] -         Fix compatibility of ServerSideScanMetrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17900'>HBASE-17900</a>] -         VerifyReplication  - input param variables declared as static causing issues to run VerifyReplication multiple times in single JVM(mainly for unit tests)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17903'>HBASE-17903</a>] -         Corrected the alias for the link of HBASE-6580
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17904'>HBASE-17904</a>] -         Get runs into NoSuchElementException when using Read Replica, with hbase. ipc.client.specificThreadForWriting to be true and hbase.rpc.client.impl to be org.apache.hadoop.hbase.ipc.RpcClientImpl
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17905'>HBASE-17905</a>] -         [hbase-spark]  bulkload does not work when table not exist
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17930'>HBASE-17930</a>] -         Avoid using Canary.sniff in HBaseTestingUtility
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17931'>HBASE-17931</a>] -         Assign system tables to servers with highest version
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17936'>HBASE-17936</a>] -         Refine sum endpoint example in ref guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17937'>HBASE-17937</a>] -         Memstore size becomes negative in case of expensive postPut/Delete Coprocessor call
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17940'>HBASE-17940</a>] -         HMaster can not start due to Jasper related classes conflict
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17941'>HBASE-17941</a>] -         CellArrayMap#getCell may throw IndexOutOfBoundsException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17943'>HBASE-17943</a>] -         The in-memory flush size is different for each CompactingMemStore located in the same region 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17946'>HBASE-17946</a>] -         Shell command compact_rs don&#39;t work
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17947'>HBASE-17947</a>] -         Location of Examples.proto is wrong in comment of RowCountEndPoint.java
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17950'>HBASE-17950</a>] -         Write the chunkId also as Int instead of long into the first byte of the chunk
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17957'>HBASE-17957</a>] -          Custom metrics of replicate endpoints don&#39;t prepend &quot;source.&quot; to global metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17958'>HBASE-17958</a>] -         Avoid passing unexpected cell to ScanQueryMatcher when optimize SEEK to SKIP
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17964'>HBASE-17964</a>] -         ensure hbase-metrics-api is included in mapreduce job classpaths
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17970'>HBASE-17970</a>] -         Set yarn.app.mapreduce.am.staging-dir when starting MiniMRCluster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17975'>HBASE-17975</a>] -         TokenUtil.obtainToken squashes remote exceptions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17982'>HBASE-17982</a>] -          Is the  word &quot;occured&quot; should be &quot;occurred ?
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17985'>HBASE-17985</a>] -         Inline package manage updates with package installation in Yetus Dockerfile
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17988'>HBASE-17988</a>] -         get-active-master.rb and draining_servers.rb no longer work
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17991'>HBASE-17991</a>] -         Add more details about compaction queue on /dump
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17997'>HBASE-17997</a>] -         In dev environment, add jruby-complete jar to classpath only when jruby is needed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18000'>HBASE-18000</a>] -         Make sure we always return the scanner id with ScanResponse
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18005'>HBASE-18005</a>] -         read replica: handle the case that region server hosting both primary replica and meta region is down
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18006'>HBASE-18006</a>] -         AsyncClientScanner does not retry openScan RPCs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18024'>HBASE-18024</a>] -         HRegion#initializeRegionInternals should not re-create .hregioninfo file when the region directory no longer exists
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18025'>HBASE-18025</a>] -         CatalogJanitor should collect outdated RegionStates from the AM
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18027'>HBASE-18027</a>] -         Replication should respect RPC size limits when batching edits
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18030'>HBASE-18030</a>] -         Per Cell TTL tags may get duplicated with increments/Append causing tags length overflow
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18035'>HBASE-18035</a>] -         Meta replica does not give any primaryOperationTimeout to primary meta region
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18042'>HBASE-18042</a>] -         Client Compatibility breaks between versions 1.2 and 1.3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18049'>HBASE-18049</a>] -         It is not necessary to re-open the region when MOB files cannot be found
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18051'>HBASE-18051</a>] -         balance_rsgroup still run when the Load Balancer is not enabled.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18053'>HBASE-18053</a>] -         AsyncTableResultScanner will hang when scan wrong column family
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18054'>HBASE-18054</a>] -         log when we add/remove failed servers in client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18055'>HBASE-18055</a>] -         Releasing L2 cache HFileBlocks before shipped() when switching from pread to stream causes result corruption
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18058'>HBASE-18058</a>] -         Zookeeper retry sleep time should have an upper limit
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18069'>HBASE-18069</a>] -         Fix flaky test TestReplicationAdminWithClusters#testDisableAndEnableReplication
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18071'>HBASE-18071</a>] -         Fix flaky test TestStochasticLoadBalancer#testBalanceCluster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18077'>HBASE-18077</a>] -         Update JUnit license to EPL from CPL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18081'>HBASE-18081</a>] -         The way we process connection preamble in SimpleRpcServer is broken
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18084'>HBASE-18084</a>] -         Improve CleanerChore to clean from directory which consumes more disk space
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18085'>HBASE-18085</a>] -         Prevent parallel purge in ObjectPool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18088'>HBASE-18088</a>] -         The version of scala plugin in the reporting section is missing
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18092'>HBASE-18092</a>] -         Removing a peer does not properly clean up the ReplicationSourceManager state and metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18093'>HBASE-18093</a>] -         Overloading the meaning of &#39;enabled&#39; in Quota Manager to indicate either quota disabled or quota manager not ready is not good
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18099'>HBASE-18099</a>] -         FlushSnapshotSubprocedure should wait for concurrent Region#flush() to finish
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18111'>HBASE-18111</a>] -         Replication stuck when cluster connection is closed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18113'>HBASE-18113</a>] -         Handle old client without include_stop_row flag when startRow equals endRow
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18118'>HBASE-18118</a>] -         Default storage policy if not configured cannot be &quot;NONE&quot;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18120'>HBASE-18120</a>] -         Fix TestAsyncRegionAdminApi
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18122'>HBASE-18122</a>] -         Scanner id should include ServerName of region server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18125'>HBASE-18125</a>] -         HBase shell disregards spaces at the end of a split key in a split file
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18129'>HBASE-18129</a>] -         truncate_preserve fails when the truncate method doesn&#39;t exists on the master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18132'>HBASE-18132</a>] -         Low replication should be checked in period in case of datanode rolling upgrade
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18137'>HBASE-18137</a>] -         Replication gets stuck for empty WALs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18141'>HBASE-18141</a>] -         Regionserver fails to shutdown when abort triggered in RegionScannerImpl during RPC call
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18142'>HBASE-18142</a>] -         Deletion of a cell deletes the previous versions too
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18143'>HBASE-18143</a>] -         [AMv2] Backoff on failed report of region transition quickly goes to astronomical time scale
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18145'>HBASE-18145</a>] -         The flush may cause the corrupt data for reading
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18149'>HBASE-18149</a>] -         The setting rules for table-scope attributes and family-scope attributes should keep consistent
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18155'>HBASE-18155</a>] -         TestMasterProcedureWalLease is flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18158'>HBASE-18158</a>] -         Two running in-memory compaction threads may lose data
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18166'>HBASE-18166</a>] -         [AMv2] We are splitting already-split files
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18177'>HBASE-18177</a>] -         FanOutOneBlockAsyncDFSOutputHelper fails to compile against Hadoop 3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18180'>HBASE-18180</a>] -         Possible connection leak while closing BufferedMutator in TableOutputFormat
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18184'>HBASE-18184</a>] -         Add hbase-hadoop2-compat jar as MapReduce job dependency
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18185'>HBASE-18185</a>] -         IntegrationTestTimeBoundedRequestsWithRegionReplicas unbalanced tests fails with AssertionError
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18192'>HBASE-18192</a>] -         Replication drops recovered queues on region server shutdown
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18193'>HBASE-18193</a>] -         Master web UI presents the incorrect number of regions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18195'>HBASE-18195</a>] -         Remove redundant single quote from start message for HMaster and HRegionServer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18199'>HBASE-18199</a>] -         Race in NettyRpcConnection may cause call stuck in BufferCallBeforeInitHandler forever
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18200'>HBASE-18200</a>] -         Set hadoop check versions for branch-2 and branch-2.x in pre commit
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18207'>HBASE-18207</a>] -         branch-2 build fails in the checkstyle phase
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18209'>HBASE-18209</a>] -         Include httpclient / httpcore jars in build artifacts
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18212'>HBASE-18212</a>] -         In Standalone mode with local filesystem HBase logs Warning message:Failed to invoke &#39;unbuffer&#39; method in class class org.apache.hadoop.fs.FSDataInputStream
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18216'>HBASE-18216</a>] -         [AMv2] Workaround for HBASE-18152, corrupt procedure WAL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18219'>HBASE-18219</a>] -         Fix typo in constant HConstants.HBASE_CLIENT_MEAT_REPLICA_SCAN_TIMEOUT
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18225'>HBASE-18225</a>] -         Fix findbugs regression calling toString() on an array
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18227'>HBASE-18227</a>] -         [AMv2] Fix test hbase.coprocessor.TestCoprocessorMetrics#testRegionObserverAfterRegionClosed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18230'>HBASE-18230</a>] -         Generated LICENSE file includes unsubstituted Velocity variables
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18235'>HBASE-18235</a>] -         LoadBalancer.BOGUS_SERVER_NAME should not have a bogus hostname
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18244'>HBASE-18244</a>] -         org.apache.hadoop.hbase.client.rsgroup.TestShellRSGroups hangs/fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18246'>HBASE-18246</a>] -         Proc-V2 AM: Maintain Data locality in ServerCrashProcedure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18254'>HBASE-18254</a>] -         ServerCrashProcedure checks and waits for meta initialized, instead should check and wait for meta loaded
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18259'>HBASE-18259</a>] -         HBase book link to &quot;beginner&quot; issues includes resolved issues
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18260'>HBASE-18260</a>] -         Address new license dependencies from hadoop3-alpha4
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18262'>HBASE-18262</a>] -         name of parameter quote need update in hbase-default.xml
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18263'>HBASE-18263</a>] -         Resolve NPE in backup Master UI when access to procedures.jsp
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18265'>HBASE-18265</a>] -         Correct the link unuseful in regionServer&#39;s region state UI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18267'>HBASE-18267</a>] -         The result from the postAppend is ignored
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18274'>HBASE-18274</a>] -         hbase autorestart will overwrite the gc log
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18278'>HBASE-18278</a>] -         [AMv2] Enable and fix uni test hbase.master.procedure.TestServerCrashProcedure#testRecoveryAndDoubleExecutionOnRsWithMeta
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18282'>HBASE-18282</a>] -         ReplicationLogCleaner can delete WALs not yet replicated in case of a KeeperException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18287'>HBASE-18287</a>] -         Remove log warning in  PartitionedMobCompactor.java#getFileStatus
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18290'>HBASE-18290</a>] -         Fix TestAddColumnFamilyProcedure and TestDeleteTableProcedure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18292'>HBASE-18292</a>] -         Fix flaky test hbase.master.locking.TestLockProcedure#testLocalMasterLockRecovery()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18301'>HBASE-18301</a>] -         Enable TestSimpleRegionNormalizerOnCluster#testRegionNormalizationMergeOnCluster that was disabled by Proc-V2 AM in HBASE-14614
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18302'>HBASE-18302</a>] -         Protobuf section in the docs needs some clean up
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18306'>HBASE-18306</a>] -         Get rid of TableDescriptor#getConfiguration
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18310'>HBASE-18310</a>] -         LoadTestTool unable to write data
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18311'>HBASE-18311</a>] -         clean up the quickstart guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18312'>HBASE-18312</a>] -         Ineffective handling of FileNotFoundException in FileLink$FileLinkInputStream.tryOpen()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18320'>HBASE-18320</a>] -         Address maven-site-plugin upgrade steps
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18323'>HBASE-18323</a>] -         Remove multiple ACLs for the same user in kerberos
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18325'>HBASE-18325</a>] -         Disable flakey TestMasterProcedureWalLease
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18329'>HBASE-18329</a>] -         update links in config guide to point to java 8 references
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18330'>HBASE-18330</a>] -         NPE in ReplicationZKLockCleanerChore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18335'>HBASE-18335</a>] -         clean up configuration guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18337'>HBASE-18337</a>] -         hbase-shaded-server brings in signed jars
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18341'>HBASE-18341</a>] -         Update findHangingTests.py script to match changed consoleText of trunk build
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18348'>HBASE-18348</a>] -         The implementation of AsyncTableRegionLocator does not follow the javadoc
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18350'>HBASE-18350</a>] -         RSGroups are broken under AMv2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18352'>HBASE-18352</a>] -         Enable TestMasterOperationsForRegionReplicas#testCreateTableWithMultipleReplicas disabled by Proc-V2 AM in HBASE-14614
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18353'>HBASE-18353</a>] -         Enable TestCorruptedRegionStoreFile that were disabled by Proc-V2 AM in HBASE-14614
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18354'>HBASE-18354</a>] -         Fix TestMasterMetrics that were disabled by Proc-V2 AM in HBASE-14614
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18355'>HBASE-18355</a>] -         Enable export snapshot tests that were disabled by Proc-V2 AM in HBASE-14614
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18356'>HBASE-18356</a>] -         Enable TestFavoredStochasticBalancerPickers#testPickers that was disabled by Proc-V2 AM in HBASE-14614
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18357'>HBASE-18357</a>] -         Enable disabled tests in TestHCM that were disabled by Proc-V2 AM in HBASE-14614
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18358'>HBASE-18358</a>] -         Backport HBASE-18099 &#39;FlushSnapshotSubprocedure should wait for concurrent Region#flush() to finish&#39; to branch-1.3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18362'>HBASE-18362</a>] -         hbck should not report split replica parent region from meta as errors 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18369'>HBASE-18369</a>] -         hbase thrift web-ui not available
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18377'>HBASE-18377</a>] -         Error handling for FileNotFoundException should consider RemoteException in openReader()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18390'>HBASE-18390</a>] -         Sleep too long when finding region location failed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18393'>HBASE-18393</a>] -         hbase shell non-interactive broken  
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18404'>HBASE-18404</a>] -         Small typo on ACID documentation page
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18406'>HBASE-18406</a>] -         In ServerCrashProcedure.java start(MasterProcedureEnv) is a no-op
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18427'>HBASE-18427</a>] -         minor cleanup around AssignmentManager
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18430'>HBASE-18430</a>] -         Typo in &quot;contributing to documentation&quot; page
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18431'>HBASE-18431</a>] -         Mitigate compatibility concerns between branch-1.3 and branch-1.4
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18433'>HBASE-18433</a>] -         Convenience method for creating simple ColumnFamilyDescriptor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18437'>HBASE-18437</a>] -         Revoke access permissions of a user from a table does not work as expected
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18438'>HBASE-18438</a>] -         Precommit doesn&#39;t warn about unused imports
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18441'>HBASE-18441</a>] -         ZookeeperWatcher#interruptedException should throw exception
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18445'>HBASE-18445</a>] -         Upgrading Guava broke hadoop-3.0 profile
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18447'>HBASE-18447</a>] -         MetricRegistryInfo#hashCode uses hashCode instead of toHashCode
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18449'>HBASE-18449</a>] -         Fix client.locking.TestEntityLocks#testHeartbeatException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18452'>HBASE-18452</a>] -         VerifyReplication by Snapshot should cache HDFS token before submit job for kerberos env. 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18461'>HBASE-18461</a>] -         Build broken If the username contains a backslash
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18470'>HBASE-18470</a>] -         Remove the redundant comma from RetriesExhaustedWithDetailsException#getDesc
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18471'>HBASE-18471</a>] -         The DeleteFamily cell is skipped when StoreScanner seeks to next column
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18472'>HBASE-18472</a>] -         Add guava license and update supplemental-models.xml
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18473'>HBASE-18473</a>] -         VC.listLabels() erroneously closes any connection
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18475'>HBASE-18475</a>] -         MasterProcedureScheduler incorrectly passes null Procedure to table locking
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18476'>HBASE-18476</a>] -         HTable#put should call RS#mutate rather than RS#multi
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18480'>HBASE-18480</a>] -         The cost of BaseLoadBalancer.cluster is changed even if the rollback is done
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18481'>HBASE-18481</a>] -         The autoFlush flag was not used in PE tool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18487'>HBASE-18487</a>] -         Minor fixes in row lock implementation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18490'>HBASE-18490</a>] -         Modifying a table descriptor to enable replicas does not create replica regions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18491'>HBASE-18491</a>] -         [AMv2] Fail UnassignProcedure if source Region Server is not online.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18492'>HBASE-18492</a>] -         [AMv2] Embed code for selecting highest versioned region server for system table regions in AssignmentManager.processAssignQueue()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18493'>HBASE-18493</a>] -         [AMv2] On region server crash do not process system table regions through AssignmentManager.checkIfShouldMoveSystemRegionAsync()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18505'>HBASE-18505</a>] -         Our build/yetus personality will run tests on individual modules and then on all (i.e. &#39;root&#39;). Should do one or other
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18516'>HBASE-18516</a>] -         [AMv2] Remove dead code in ServerManager resulted mostly from AMv2 refactoring
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18517'>HBASE-18517</a>] -         limit max log message width in log4j
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18525'>HBASE-18525</a>] -         TestAssignmentManager#testSocketTimeout fails in master branch
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18526'>HBASE-18526</a>] -         FIFOCompactionPolicy pre-check uses wrong scope
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18543'>HBASE-18543</a>] -         Re-enable test master.TestMasterFailover on master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18551'>HBASE-18551</a>] -         [AMv2] UnassignProcedure and crashed regionservers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18557'>HBASE-18557</a>] -         change splitable to mergeable in MergeTableRegionsProcedure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18560'>HBASE-18560</a>] -         Test master.assignment.TestAssignmentManager hangs on master and its in flaky list
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18563'>HBASE-18563</a>] -         Fix RAT License complaint about website jenkins scripts
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18568'>HBASE-18568</a>] -         Correct  metric of  numRegions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18572'>HBASE-18572</a>] -         Delete can&#39;t remove the cells which have no visibility label
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18575'>HBASE-18575</a>] -         [AMv2] Enable and fix TestRestartCluster#testRetainAssignmentOnRestart on master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18577'>HBASE-18577</a>] -         shaded client includes several non-relocated third party dependencies
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18587'>HBASE-18587</a>] -         Fix Flaky TestFileIOEngine
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18592'>HBASE-18592</a>] -         [hbase-thirdparty] Doc on new hbase-thirdparty dependency for the refguide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18598'>HBASE-18598</a>] -         AsyncNonMetaRegionLocator use FIFO algorithm to get a candidate locate request
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18599'>HBASE-18599</a>] -         Add missing @Deprecated annotations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18606'>HBASE-18606</a>] -         Tests in hbase-spark module fail with UnsatisfiedLinkError
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18607'>HBASE-18607</a>] -         fix submit-patch.py to support utf8
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18614'>HBASE-18614</a>] -         Setting BUCKET_CACHE_COMBINED_KEY to false disables stats on RS UI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18615'>HBASE-18615</a>] -         hbase-rest tests fail in hbase-2.0.0-alpha2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18617'>HBASE-18617</a>] -         FuzzyRowKeyFilter should not modify the filter pairs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18627'>HBASE-18627</a>] -         Fix TestRegionServerReadRequestMetrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18628'>HBASE-18628</a>] -         ZKPermissionWatcher blocks all ZK notifications
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18633'>HBASE-18633</a>] -         Add more info to understand the source/scenario of large batch requests exceeding threshold
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18634'>HBASE-18634</a>] -         Fix client.TestClientClusterStatus
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18635'>HBASE-18635</a>] -         Fix asciidoc warnings
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18637'>HBASE-18637</a>] -         Update the link of &quot;Bending time in HBase&quot;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18640'>HBASE-18640</a>] -         Move mapreduce out of hbase-server into separate hbase-mapreduce module
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18641'>HBASE-18641</a>] -         Include block content verification logic used in lruCache in bucketCache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18644'>HBASE-18644</a>] -         Duplicate &quot;compactionQueueLength&quot; metric in Region Server metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18647'>HBASE-18647</a>] -         Parameter cacheBlocks does not take effect in REST API for scan
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18655'>HBASE-18655</a>] -         TestAsyncClusterAdminApi2 failing sometimes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18665'>HBASE-18665</a>] -         ReversedScannerCallable invokes getRegionLocations incorrectly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18671'>HBASE-18671</a>] -         Support Append/Increment in rest api
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18679'>HBASE-18679</a>] -         YARN may null Counters object and cause an NPE in ITBLL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18714'>HBASE-18714</a>] -         The dropBehind and readahead don&#39;t be applied when useHBaseChecksum is enabled
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18723'>HBASE-18723</a>] -         [pom cleanup] Do a pass with dependency:analyze; remove unused and explicity list the dependencies we exploit
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18741'>HBASE-18741</a>] -         Remove cancel command from backup code
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18743'>HBASE-18743</a>] -         HFiles in use by a table which has the same name and namespace with a default table cloned from snapshot may be deleted when that snapshot and default table are deleted
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18757'>HBASE-18757</a>] -         Fix Improper bitwise &amp; in BucketCache offset calculation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18759'>HBASE-18759</a>] -         Fix hbase-shaded-check-invariants failure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18762'>HBASE-18762</a>] -         Canary sink type cast error
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18763'>HBASE-18763</a>] -         quotas.TestQuotaThrottle failing on all nightly runs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18765'>HBASE-18765</a>] -         The value of balancerRan is true even though no plans are executed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18771'>HBASE-18771</a>] -         Incorrect StoreFileRefresh leading to split and compaction failures
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18787'>HBASE-18787</a>] -         Fix the &quot;dependencies connecting to an HBase cluster&quot;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18789'>HBASE-18789</a>] -         Displays the reporting interval of each RS on the Master page
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18791'>HBASE-18791</a>] -         HBASE_HOME/lib does not contain hbase-mapreduce-${project.version}-tests.jar
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18796'>HBASE-18796</a>] -         Admin#isTableAvailable returns incorrect result before daughter regions are opened
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18801'>HBASE-18801</a>] -         Bulk load cleanup may falsely deem file deletion successful
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18803'>HBASE-18803</a>] -         Mapreduce job get failed caused by NoClassDefFoundError: org/apache/commons/lang3/ArrayUtils
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18808'>HBASE-18808</a>] -         Ineffective config check in BackupLogCleaner#getDeletableFiles()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18813'>HBASE-18813</a>] -         TestCanaryTool fails on branch-1 / branch-1.4 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18818'>HBASE-18818</a>] -         TestConnectionImplemenation fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18830'>HBASE-18830</a>] -         TestCanaryTool does not check Canary monitor&#39;s error code
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18831'>HBASE-18831</a>] -         Add explicit dependency on javax.el
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18832'>HBASE-18832</a>] -         LTT fails with casting exception for HColumnDescriptor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18834'>HBASE-18834</a>] -         fix shellcheck warning on hbase personality
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18836'>HBASE-18836</a>] -         Note need for explicit javax.el and exclude from shaded artifacts
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18838'>HBASE-18838</a>] -         shaded artifacts are incorrect when built against hadoop 3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18844'>HBASE-18844</a>] -         Release hbase-2.0.0-alpha-4; Theme &quot;Coprocessor API Cleanup&quot;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18845'>HBASE-18845</a>] -         TestReplicationSmallTests fails after HBASE-14004
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18846'>HBASE-18846</a>] -         Accommodate the hbase-indexer/lily/SEP consumer deploy-type
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18851'>HBASE-18851</a>] -         LICENSE failure after HADOOP-14799 with Hadoop 3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18852'>HBASE-18852</a>] -         Take down the hbasecon asia banner on home page
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18853'>HBASE-18853</a>] -         hbase-protocol-shaded includes protobuf (since we moved to hbase-thirdparty)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18866'>HBASE-18866</a>] -         clean up warnings about proto syntax
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18874'>HBASE-18874</a>] -         HMaster abort message will be skipped if Throwable is passed null
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18876'>HBASE-18876</a>] -         Backup create command fails to take queue parameter as option
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18880'>HBASE-18880</a>] -         Failed to start rest server if the value of hbase.rest.threads.max is too small.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18885'>HBASE-18885</a>] -         HFileOutputFormat2 hardcodes default FileOutputCommitter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18887'>HBASE-18887</a>] -         After full backup passed on hdfs root and incremental failed, full backup cannot be cleaned
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18888'>HBASE-18888</a>] -         StealJobQueue should call super() to init the PriorityBlockingQueue
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18893'>HBASE-18893</a>] -         Remove Add/Modify/DeleteColumnFamilyProcedure in favor of using ModifyTableProcedure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18894'>HBASE-18894</a>] -         null pointer exception in list_regions in shell command
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18896'>HBASE-18896</a>] -         Work around incompatible change to DistCpOptions for hadoop-3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18904'>HBASE-18904</a>] -         Missing break in NEXT_ROW case of FilterList#mergeReturnCodeForOrOperator()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18913'>HBASE-18913</a>] -         TestShell fails because NoMethodError: undefined method parseColumn
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18921'>HBASE-18921</a>] -         Result.current() throws ArrayIndexOutOfBoundsException after calling advance()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18922'>HBASE-18922</a>] -         Fix all dead links in our HBase book
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18928'>HBASE-18928</a>] -         Backup delete command shows wrong number of deletes requested
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18932'>HBASE-18932</a>] -         Backups masking exception in a scenario and though it fails , it shows success message.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18934'>HBASE-18934</a>] -         precommit on branch-1 isn&#39;t supposed to run against hadoop 3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18940'>HBASE-18940</a>] -         branch-2 (and probably others) fail check of generated source artifact
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18941'>HBASE-18941</a>] -         Confusing logging error around rerun of restore on an existing table.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18942'>HBASE-18942</a>] -         hbase-hadoop2-compat module ignores hadoop-3 profile
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18946'>HBASE-18946</a>] -         Stochastic load balancer assigns replica regions to the same RS
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18958'>HBASE-18958</a>] -         Remove the IS annotation from SpaceLimitingException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18973'>HBASE-18973</a>] -         clean up maven warnings about pom well-formedness for master/branch-2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18975'>HBASE-18975</a>] -         Fix backup / restore hadoop3 incompatibility
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18983'>HBASE-18983</a>] -         Upgrade to latest error-prone
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18984'>HBASE-18984</a>] -         [AMv2] Retain assignment does not work well in AMv2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18990'>HBASE-18990</a>] -         ServerLoad doesn&#39;t override #equals which leads to #equals in ClusterStatus always false
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18992'>HBASE-18992</a>] -         Comparators passed to the Memstore&#39;s flattened segments seems to be wrong
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18997'>HBASE-18997</a>] -         Remove the redundant methods in RegionInfo
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18998'>HBASE-18998</a>] -         processor.getRowsToLock() always assumes there is some row being locked
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19014'>HBASE-19014</a>] -         surefire fails; When writing xml report stdout/stderr ... No such file or directory
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19016'>HBASE-19016</a>] -         Coordinate storage policy property name for table schema and bulkload
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19017'>HBASE-19017</a>] -         [AMv2] EnableTableProcedure is not retaining the assignments
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19018'>HBASE-19018</a>] -         Use of hadoop internals that require bouncycastle should declare bouncycastle dependency
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19020'>HBASE-19020</a>] -         TestXmlParsing exception checking relies on a particular xml implementation without declaring it.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19021'>HBASE-19021</a>] -         Restore a few important missing logics for balancer in 2.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19023'>HBASE-19023</a>] -         Usage for rowcounter in refguide is out of sync with code
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19030'>HBASE-19030</a>] -         nightly runs should attempt to log test results after archiving
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19032'>HBASE-19032</a>] -         Set Content-Type header for patches uploaded by submit-patch.py
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19035'>HBASE-19035</a>] -         Miss metrics when coprocessor use region scanner to read data
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19038'>HBASE-19038</a>] -         precommit mvn install should run from root on patch
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19039'>HBASE-19039</a>] -         refactor shadedjars test to only run on java changes.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19042'>HBASE-19042</a>] -         Oracle Java 8u144 downloader broken in precommit check
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19054'>HBASE-19054</a>] -         Switch precommit docker image to one based on maven images
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19056'>HBASE-19056</a>] -          TestCompactionInDeadRegionServer is top of the flakies charts!
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19058'>HBASE-19058</a>] -         The wget isn&#39;t installed in building docker image
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19060'>HBASE-19060</a>] -         &quot;Hadoop check&quot; test is running all the time instead of just when changes to java
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19061'>HBASE-19061</a>] -         enforcer NPE on hbase-shaded-invariants
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19065'>HBASE-19065</a>] -         HRegion#bulkLoadHFiles() should wait for concurrent Region#flush() to finish
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19066'>HBASE-19066</a>] -         Correct the directory of openjdk-8 for jenkins
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19072'>HBASE-19072</a>] -         Missing break in catch block of InterruptedException in HRegion#waitForFlushes() 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19073'>HBASE-19073</a>] -         Cleanup CoordinatedStateManager
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19075'>HBASE-19075</a>] -         Task tabs on master UI cause page scroll
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19077'>HBASE-19077</a>] -         Have Region*CoprocessorEnvironment provide an ImmutableOnlineRegions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19085'>HBASE-19085</a>] -         Fix findbug EQ_OVERRIDING_EQUALS_NOT_SYMMETRIC warning
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19087'>HBASE-19087</a>] -         Log an Optional&#39;s value/null instead of Optional[value]/Optional.empty.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19088'>HBASE-19088</a>] -         move_tables_rsgroup will throw an exception when the table is disabled
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19089'>HBASE-19089</a>] -         Fix the list of included moduleSets in src and binary tars
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19094'>HBASE-19094</a>] -         NPE in RSGroupStartupWorker.waitForGroupTableOnline during master startup
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19098'>HBASE-19098</a>] -         Python based compatiblity checker fails if git repo does not have a remote named &#39;origin&#39;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19100'>HBASE-19100</a>] -         Missing break in catch block of InterruptedException in HRegion#waitForFlushesAndCompactions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19102'>HBASE-19102</a>] -         TestZooKeeperMainServer fails with KeeperException$ConnectionLossException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19111'>HBASE-19111</a>] -         Add missing CellUtil#isPut(Cell) methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19117'>HBASE-19117</a>] -         Avoid NPE occurring while active master dies
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19118'>HBASE-19118</a>] -         Use SaslUtil to set Sasl.QOP in &#39;Thrift&#39;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19119'>HBASE-19119</a>] -         hbase-http shouldn&#39;t have a native profile
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19120'>HBASE-19120</a>] -         IllegalArgumentException from ZNodeClearer when master shuts down
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19124'>HBASE-19124</a>] -         Move HBase-Nightly source artifact creation test from JenkinsFile to a script in dev-support
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19129'>HBASE-19129</a>] -         TestChoreService is flaky (branch-1 / branch-1.4)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19130'>HBASE-19130</a>] -         Typo in HStore.initializeRegionInternals for replaying wal
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19134'>HBASE-19134</a>] -         Make WALKey an Interface; expose Read-Only version to CPs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19135'>HBASE-19135</a>] -         TestWeakObjectPool time out
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19137'>HBASE-19137</a>] -         Nightly test should make junit reports optional rather than attempt archive after reporting.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19138'>HBASE-19138</a>] -         Rare failure in TestLruBlockCache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19144'>HBASE-19144</a>] -         [RSgroups] Retry assignments in FAILED_OPEN state when servers (re)join the cluster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19147'>HBASE-19147</a>] -         All branch-2 unit tests pass
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19148'>HBASE-19148</a>] -         Reevaluate default values of configurations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19150'>HBASE-19150</a>] -         TestSnapshotWithAcl is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19156'>HBASE-19156</a>] -         Duplicative regions_per_server options on LoadTestTool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19160'>HBASE-19160</a>] -         Re-expose CellComparator
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19163'>HBASE-19163</a>] -         &quot;Maximum lock count exceeded&quot; from region server&#39;s batch processing
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19165'>HBASE-19165</a>] -         TODO Handle stuck in transition: rit=OPENING, location=ve0538....
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19166'>HBASE-19166</a>] -         AsyncProtobufLogWriter persists ProtobufLogWriter as class name for backward compatibility
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19167'>HBASE-19167</a>] -         RowCounter not working on 2.0.0-alpha3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19173'>HBASE-19173</a>] -         Configure IntegrationTestRSGroup automatically for minicluster mode
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19178'>HBASE-19178</a>] -         table.rb use undefined method &#39;getType&#39; for Cell interface
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19181'>HBASE-19181</a>] -         LogRollBackupSubprocedure will fail if we use AsyncFSWAL instead of FSHLog
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19184'>HBASE-19184</a>] -         clean up nightly source artifact test to match expectations from switch to git-archive
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19185'>HBASE-19185</a>] -         ClassNotFoundException: com.fasterxml.jackson.*
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19193'>HBASE-19193</a>] -         [AMv2] Master dies during Table Drop, new Master confused on what to do w/ Regions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19194'>HBASE-19194</a>] -         TestRSGroupsBase has some always false checks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19195'>HBASE-19195</a>] -         More error-prone fixes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19196'>HBASE-19196</a>] -         Release hbase-2.0.0-beta-1; the &quot;Finish-line&quot; release
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19198'>HBASE-19198</a>] -         TestIPv6NIOServerSocketChannel fails; unable to bind
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19199'>HBASE-19199</a>] -         RatioBasedCompactionPolicy#shouldPerformMajorCompaction() always return true when only one file needs to compact
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19210'>HBASE-19210</a>] -         TestNamespacesInstanceResource fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19211'>HBASE-19211</a>] -         B&amp;R: update configuration string in BackupRestoreConstants
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19215'>HBASE-19215</a>] -         Incorrect exception handling on the client causes incorrect call timeouts and byte buffer allocations on the server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19218'>HBASE-19218</a>] -         Master stuck thinking hbase:namespace is assigned after restart preventing intialization
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19221'>HBASE-19221</a>] -         NoClassDefFoundError: org/hamcrest/SelfDescribing while running IT tests in 2.0-alpha4
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19223'>HBASE-19223</a>] -         Remove references to Date Tiered compaction from branch-1.2 and branch-1.1 ref guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19229'>HBASE-19229</a>] -         Nightly script to check source artifact should not do a destructive git operation without opt-in
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19240'>HBASE-19240</a>] -         Fix error-prone errors, part four?
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19244'>HBASE-19244</a>] -         Fix simple typos in HBASE-15518 descriptions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19245'>HBASE-19245</a>] -         MultiTableInputFormatBase#getSplits creates a Connection per Table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19246'>HBASE-19246</a>] -         Trivial fix in findHangingTests.py
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19249'>HBASE-19249</a>] -         test for &quot;hbase antipatterns&quot; should check _count_ of occurance rather than text of
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19250'>HBASE-19250</a>] -         TestClientClusterStatus is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19255'>HBASE-19255</a>] -         PerformanceEvaluation class not found when run PE test
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19260'>HBASE-19260</a>] -         Add lock back to avoid parallel accessing meta to locate region
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19285'>HBASE-19285</a>] -         Add per-table latency histograms
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19287'>HBASE-19287</a>] -         master hangs forever if RecoverMeta send assign meta region request to target server fail
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19304'>HBASE-19304</a>] -         KEEP_DELETED_CELLS should ignore case 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19310'>HBASE-19310</a>] -         Verify IntegrationTests don&#39;t rely on Rules outside of JUnit context
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19312'>HBASE-19312</a>] -         Find out why sometimes we need to spend more than one second to get the cluster id
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19315'>HBASE-19315</a>] -         Incorrect snapshot version is used for 2.0.0-beta-1 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19317'>HBASE-19317</a>] -         Increase &quot;yarn.nodemanager.disk-health-checker.max-disk-utilization-per-disk-percentage&quot; to avoid host-related failures on MiniMRCluster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19318'>HBASE-19318</a>] -         MasterRpcServices#getSecurityCapabilities explicitly checks for the HBase AccessController implementation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19319'>HBASE-19319</a>] -         Fix bug in synchronizing over ProcedureEvent
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19321'>HBASE-19321</a>] -         ZKAsyncRegistry ctor would hang when zookeeper cluster is not available
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19325'>HBASE-19325</a>] -         Pass a list of server name to postClearDeadServers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19330'>HBASE-19330</a>] -         Remove duplicated dependency from hbase-rest
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19332'>HBASE-19332</a>] -         DumpReplicationQueues misreports total WAL size
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19335'>HBASE-19335</a>] -         Fix waitUntilAllRegionsAssigned
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19337'>HBASE-19337</a>] -         AsyncMetaTableAccessor may hang when call ScanController.terminate many times
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19339'>HBASE-19339</a>] -         Eager policy results in the negative size of memstore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19349'>HBASE-19349</a>] -         Introduce wrong version depencency of servlet-api jar
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19350'>HBASE-19350</a>] -         TestMetaWithReplicas is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19351'>HBASE-19351</a>] -         Deprecated is missing in Table implementations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19355'>HBASE-19355</a>] -         Missing dependency on hbase-zookeeper module causes CopyTable to fail
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19363'>HBASE-19363</a>] -         Tests under TestCheckAndMutate are identical
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19371'>HBASE-19371</a>] -         Running WALPerformanceEvaluation against asyncfswal throws exceptions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19383'>HBASE-19383</a>] -         [1.2] java.lang.AssertionError: expected:&lt;2&gt; but was:&lt;1&gt; 	at org.apache.hadoop.hbase.TestChoreService.testTriggerNowFailsWhenNotScheduled(TestChoreService.java:707)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19384'>HBASE-19384</a>] -         Results returned by preAppend hook in a coprocessor are replaced with null from other coprocessor even on bypass
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19385'>HBASE-19385</a>] -         [1.3] TestReplicator failed 1.3 nightly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19386'>HBASE-19386</a>] -         HBase UnsafeAvailChecker returns false on Arm64
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19388'>HBASE-19388</a>] -         Incorrect value is being set for Compaction Pressure in RegionLoadStats object inside HRegion class
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19390'>HBASE-19390</a>] -         Revert to older version of Jetty 9.3 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19391'>HBASE-19391</a>] -         Calling HRegion#initializeRegionInternals from a region replica can still re-create a region directory
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19392'>HBASE-19392</a>] -         TestReplicaWithCluster#testReplicaGetWithPrimaryAndMetaDown failure in master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19394'>HBASE-19394</a>] -         Support multi-homing env for the publication of RS status with multicast (hbase.status.published) 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19396'>HBASE-19396</a>] -         Fix flaky test TestHTableMultiplexerFlushCache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19406'>HBASE-19406</a>] -         Fix CompactionRequest equals and hashCode
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19412'>HBASE-19412</a>] -         Fix TestBlockEvictionFromClient
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19417'>HBASE-19417</a>] -         Remove boolean return value from postBulkLoadHFile hook
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19422'>HBASE-19422</a>] -         using hadoop-profile property leads to confusing failures
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19424'>HBASE-19424</a>] -         Metrics servlet throws NPE
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19431'>HBASE-19431</a>] -         The tag array written by IndividualBytesFieldCell#write is out of bounds
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19433'>HBASE-19433</a>] -         ChangeSplitPolicyAction modifies an immutable HTableDescriptor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19434'>HBASE-19434</a>] -         create_namespace command for existing namespace does not throw useful error message
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19435'>HBASE-19435</a>] -         Reopen Files for ClosedChannelException in BucketCache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19437'>HBASE-19437</a>] -         Batch operation can&#39;t handle the null result for Append/Increment
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19445'>HBASE-19445</a>] -         PerformanceEvaluation NPE processing split policy option
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19447'>HBASE-19447</a>] -         INFO level logging of GetClusterStatus from HMaster is too chatty
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19454'>HBASE-19454</a>] -         Debugging TestDistributedLogSplitting#testThreeRSAbort
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19456'>HBASE-19456</a>] -         RegionMover&#39;s region server hostname option is no longer case insensitive
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19457'>HBASE-19457</a>] -         Debugging flaky TestTruncateTableProcedure#testRecoveryAndDoubleExecutionPreserveSplits
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19461'>HBASE-19461</a>] -         TestRSGroups is broke
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19484'>HBASE-19484</a>] -         The value array written by ExtendedCell#write is out of bounds
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19490'>HBASE-19490</a>] -         Rare failure in TestRateLimiter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19493'>HBASE-19493</a>] -         Make TestWALMonotonicallyIncreasingSeqId also work with AsyncFSWAL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19495'>HBASE-19495</a>] -         Fix failed ut TestShell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19496'>HBASE-19496</a>] -         Reusing the ByteBuffer in rpc layer corrupt the ServerLoad and RegionLoad
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19503'>HBASE-19503</a>] -         Fix TestWALOpenAfterDNRollingStart for AsyncFSWAL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19508'>HBASE-19508</a>] -         ReadOnlyConfiguration throws exception if any Configuration in current context calls addDefautlResource
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19509'>HBASE-19509</a>] -         RSGroupAdminEndpoint#preCreateTable triggers TableNotFoundException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19510'>HBASE-19510</a>] -         TestDistributedLogSplitting is flakey for AsyncFSWAL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19511'>HBASE-19511</a>] -         Splits causes blocks to be cached again and so such blocks cannot be evicted from bucket cache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19513'>HBASE-19513</a>] -         Fix the wrapped AsyncFSOutput implementation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19516'>HBASE-19516</a>] -         IntegrationTestBulkLoad and IntegrationTestImportTsv run into &#39;java.lang.RuntimeException: DistributedHBaseCluster@1bb564e2 not an instance of MiniHBaseCluster&#39;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19522'>HBASE-19522</a>] -         The complete order may be wrong in AsyncBufferedMutatorImpl
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19530'>HBASE-19530</a>] -         New regions should always be added with state CLOSED
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19532'>HBASE-19532</a>] -         AssignProcedure#COMPARATOR may produce incorrect sort order
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19542'>HBASE-19542</a>] -         fix TestSafemodeBringsDownMaster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19546'>HBASE-19546</a>] -         TestMasterReplication.testCyclicReplication2 uses wrong assertion
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19547'>HBASE-19547</a>] -         HBase fails building on AArch64 due to asciidoctor-maven-plugin.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19549'>HBASE-19549</a>] -         Change path comparison in CommonFSUtils
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19555'>HBASE-19555</a>] -         TestSplitTransactionOnCluster is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19558'>HBASE-19558</a>] -         TestRegionsOnMasterOptions hack so it works reliablly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19559'>HBASE-19559</a>] -         Fix TestLogRolling.testLogRollOnDatanodeDeath
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19561'>HBASE-19561</a>] -         maxCacheSize in CacheEvictionStats can&#39;t be accumulated repeatedly When dealing with each region
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19563'>HBASE-19563</a>] -         A few hbase-procedure classes missing @InterfaceAudience annotation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19565'>HBASE-19565</a>] -         TestSafemodeBringsDownMaster constantly hangs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19578'>HBASE-19578</a>] -         MasterProcWALs cleaning is incorrect
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19583'>HBASE-19583</a>] -         update RM list to remove EOM versions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19588'>HBASE-19588</a>] -         Additional jar dependencies needed for mapreduce PerformanceEvaluation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19589'>HBASE-19589</a>] -         New regions should always be added with state CLOSED (followup of HBASE-19530)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19593'>HBASE-19593</a>] -         Possible NPE if wal is closed during waledit append.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19598'>HBASE-19598</a>] -         Fix TestAssignmentManagerMetrics flaky test
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19600'>HBASE-19600</a>] -         ITBLL failing on branch-2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19608'>HBASE-19608</a>] -         Race in MasterRpcServices.getProcedureResult
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19619'>HBASE-19619</a>] -         Modify replication_admin.rb to use ReplicationPeerConfigBuilder
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19624'>HBASE-19624</a>] -         TestIOFencing hangs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19639'>HBASE-19639</a>] -         ITBLL can&#39;t go big because RegionTooBusyException... Above memstore limit
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19643'>HBASE-19643</a>] -         Need to update cache location when get error in AsyncBatchRpcRetryingCaller
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19654'>HBASE-19654</a>] -         Remove misleading and chatty debug message in ReplicationLogCleaner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19656'>HBASE-19656</a>] -         Disable TestAssignmentManagerMetrics for beta-1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19658'>HBASE-19658</a>] -         Fix and reenable TestCompactingToCellFlatMapMemStore#testFlatteningToJumboCellChunkMap
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19666'>HBASE-19666</a>] -         TestDefaultCompactSelection test failed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19671'>HBASE-19671</a>] -         Fix TestMultiParallel#testActiveThreadsCount
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19672'>HBASE-19672</a>] -         Correct comments for default values of major compaction in SortedCompactionPolicy#getNextMajorCompactTime()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19685'>HBASE-19685</a>] -         Fix TestFSErrorsExposed#testFullSystemBubblesFSErrors
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19688'>HBASE-19688</a>] -         TimeToLiveProcedureWALCleaner should extends BaseLogCleanerDelegate
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19691'>HBASE-19691</a>] -         Do not require ADMIN permission for obtaining ClusterStatus
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19694'>HBASE-19694</a>] -         The initialization order for a fresh cluster is incorrect
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19696'>HBASE-19696</a>] -         Filter returning INCLUDE_AND_NEXT_COL doesn&#39;t skip remaining versions when scan has explicit columns
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19703'>HBASE-19703</a>] -         Functionality added as part of HBASE-12583 is not working after moving the split code to master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19706'>HBASE-19706</a>] -         Cells are always eclipsed by Deleted cells even if in time range scan
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19709'>HBASE-19709</a>] -         Guard against a ThreadPool size of 0 in CleanerChore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19712'>HBASE-19712</a>] -         Fix TestSnapshotQuotaObserverChore#testSnapshotSize
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19713'>HBASE-19713</a>] -         Enable TestInterfaceAudienceAnnotations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19714'>HBASE-19714</a>] -         `status &#39;detailed&#39;` invokes nonexistent &quot;getRegionsInTransition&quot; method on ClusterStatus
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19716'>HBASE-19716</a>] -         Fix flaky test master.assignment.TestAssignmentManager
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19717'>HBASE-19717</a>] -         IntegrationTestDDLMasterFailover is using outdated values for DataBlockEncoding
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19721'>HBASE-19721</a>] -         Unnecessary stubbings detected in test class: TestReversedScannerCallable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19726'>HBASE-19726</a>] -         Failed to start HMaster due to infinite retrying on meta assign
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19728'>HBASE-19728</a>] -         Add lock to filesCompacting in all place.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19729'>HBASE-19729</a>] -         UserScanQueryMatcher#mergeFilterResponse should return INCLUDE_AND_SEEK_NEXT_ROW when filterResponse is INCLUDE_AND_SEEK_NEXT_ROW
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19732'>HBASE-19732</a>] -         Replica regions does not return back the MSLAB chunks to pool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19734'>HBASE-19734</a>] -         IntegrationTestReplication broken w/ separate clusters
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19740'>HBASE-19740</a>] -         Repeated error message for NamespaceExistException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19744'>HBASE-19744</a>] -         Fix flakey TestZKLeaderManager
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19749'>HBASE-19749</a>] -         Revisit  logic of UserScanQueryMatcher#mergeFilterResponse method
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19752'>HBASE-19752</a>] -         RSGroupBasedLoadBalancer#getMisplacedRegions() should handle the case where rs group cannot be determined
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19755'>HBASE-19755</a>] -         Error message for non-existent namespace is inaccurate
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19756'>HBASE-19756</a>] -         Master NPE during completed failed proc eviction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19757'>HBASE-19757</a>] -         System table gets stuck after enabling region server group feature in secure cluster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19767'>HBASE-19767</a>] -         Master web UI shows negative values for Remaining KVs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19768'>HBASE-19768</a>] -         RegionServer startup failing when DN is dead
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19769'>HBASE-19769</a>] -         IllegalAccessError on package-private Hadoop metrics2 classes in MapReduce jobs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19771'>HBASE-19771</a>] -         restore_snapshot shell command gives wrong namespace if the namespace doesn&#39;t exist
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19773'>HBASE-19773</a>] -         Adding javadoc around getting instance of RawCellBuilder
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19774'>HBASE-19774</a>] -         incorrect behavior of locateRegionInMeta
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19775'>HBASE-19775</a>] -         hbase shell doesn&#39;t handle the exceptions that are wrapped in java.io.UncheckedIOException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19780'>HBASE-19780</a>] -         Change execution phase of checkstyle plugin back to default &#39;verify&#39;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19783'>HBASE-19783</a>] -         Change replication peer cluster key/endpoint from a not-null value to null is not allowed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19784'>HBASE-19784</a>] -         stop-hbase gives unfriendly message when local hbase isn&#39;t running
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19792'>HBASE-19792</a>] -         TestReplicationSmallTests.testDisableEnable fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19794'>HBASE-19794</a>] -         TestZooKeeper hangs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19797'>HBASE-19797</a>] -         Operator priority leads to wrong logic in ReplicationSourceWALReader
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19802'>HBASE-19802</a>] -         Wrong usage messages on shell commands (grant/revoke namespace syntax)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19806'>HBASE-19806</a>] -         Lower max versions for table column family of hbase:meta
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19808'>HBASE-19808</a>] -         Reenable TestMultiParallel
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19812'>HBASE-19812</a>] -         TestFlushSnapshotFromClient fails because of failing region.flush
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19814'>HBASE-19814</a>] -         Release hbase-2.0.0-beta-2; &quot;rolling upgrade&quot; release
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19815'>HBASE-19815</a>] -         Flakey TestAssignmentManager.testAssignWithRandExec
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19816'>HBASE-19816</a>] -         Replication sink list is not updated on UnknownHostException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19818'>HBASE-19818</a>] -         Scan time limit not work if the filter always filter row key
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19821'>HBASE-19821</a>] -         TestCleanerChore#testOnConfigurationChange() requires at least 4 processors to get passed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19822'>HBASE-19822</a>] -         HFileCleaner threads stick around after shutdown stuck on queue#take
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19825'>HBASE-19825</a>] -         Fix hadoop3 compat test failures
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19828'>HBASE-19828</a>] -         Flakey TestRegionsOnMasterOptions.testRegionsOnAllServers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19829'>HBASE-19829</a>] -         hadoop-minicluster pulls zookeeper:test-jar:tests 3.4.6
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19836'>HBASE-19836</a>] -         Fix TestZooKeeper.testLogSplittingAfterMasterRecoveryDueToZKExpiry
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19838'>HBASE-19838</a>] -         Can not shutdown backup master cleanly when it has already tried to become the active master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19853'>HBASE-19853</a>] -         duplicate slf4j declaration in mapreduce pom
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19863'>HBASE-19863</a>] -         java.lang.IllegalStateException: isDelete failed when SingleColumnValueFilter is used
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19871'>HBASE-19871</a>] -         delete.rb should require user to provide the column
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19876'>HBASE-19876</a>] -         The exception happening in converting pb mutation to hbase.mutation messes up the CellScanner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19884'>HBASE-19884</a>] -         BucketEntryGroup&#39;s equals, hashCode and compareTo methods are not consistent
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19892'>HBASE-19892</a>] -         Checking &#39;patch attach&#39; and yetus 0.7.0 and move to Yetus 0.7.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19900'>HBASE-19900</a>] -         Region-level exception destroy the result of batch
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19901'>HBASE-19901</a>] -         Up yetus proclimit on nightlies
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19905'>HBASE-19905</a>] -         ReplicationSyncUp tool will not exit if a peer replication is disabled
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19906'>HBASE-19906</a>] -         TestZooKeeper Timeout
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19907'>HBASE-19907</a>] -         TestMetaWithReplicas still flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19919'>HBASE-19919</a>] -         Tidying up logging
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19920'>HBASE-19920</a>] -         TokenUtil.obtainToken unnecessarily creates a local directory
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19924'>HBASE-19924</a>] -         hbase rpc throttling does not work for multi() with request count rater.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19926'>HBASE-19926</a>] -         Use a separated class to implement the WALActionListener for Replication
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19929'>HBASE-19929</a>] -         Call RS.stop on a session expired RS may hang
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19934'>HBASE-19934</a>] -         HBaseSnapshotException when read replicas is enabled and online snapshot is taken after region splitting
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19937'>HBASE-19937</a>] -         Ensure createRSGroupTable be called after ProcedureExecutor and LoadBalancer are initialized 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19939'>HBASE-19939</a>] -         TestSplitTableRegionProcedure#testSplitWithoutPONR() and testRecoveryAndDoubleExecution() are failing with NPE
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19941'>HBASE-19941</a>] -         Flaky TestCreateTableProcedure times out in nightly, needs to LargeTests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19953'>HBASE-19953</a>] -         Avoid calling post* hook when procedure fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19954'>HBASE-19954</a>] -         Separate TestBlockReorder into individual tests to avoid ShutdownHook suppression error against hadoop3 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19964'>HBASE-19964</a>] -         TestWriteHeavyIncrementObserver fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19966'>HBASE-19966</a>] -         The WriteEntry for WALKey maybe null if we failed to call WAL.append
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19968'>HBASE-19968</a>] -         MapReduce test fails with NoClassDefFoundError against hadoop3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19972'>HBASE-19972</a>] -         Should rethrow  the RetriesExhaustedWithDetailsException when failed to apply the batch in ReplicationSink
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19974'>HBASE-19974</a>] -         Fix decommissioned servers cannot be removed by remove_servers_rsgroup methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19977'>HBASE-19977</a>] -         FileMmapEngine allocation of byte buffers should be synchronized
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19979'>HBASE-19979</a>] -         ReplicationSyncUp tool may leak Zookeeper connection
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19980'>HBASE-19980</a>] -         NullPointerException when restoring a snapshot after splitting a region
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19986'>HBASE-19986</a>] -         If HBaseTestClassRule timesout a test, thread dump.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19987'>HBASE-19987</a>] -         update error-prone to 2.2.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19991'>HBASE-19991</a>] -         lots of hbase-rest test failures against hadoop 3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19996'>HBASE-19996</a>] -         Some nonce procs might not be cleaned up (follow up HBASE-19756)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19998'>HBASE-19998</a>] -         Flakey TestVisibilityLabelsWithDefaultVisLabelService
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20017'>HBASE-20017</a>] -         BufferedMutatorImpl submit the same mutation repeatedly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20020'>HBASE-20020</a>] -         Make sure we throw DoNotRetryIOException when ConnectionImplementation is closed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20023'>HBASE-20023</a>] -         CompactionTool command line examples are incorrect
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20024'>HBASE-20024</a>] -         TestMergeTableRegionsProcedure is STILL flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20027'>HBASE-20027</a>] -         Add test TestClusterPortAssignment
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20032'>HBASE-20032</a>] -         Receving multiple warnings for missing reporting.plugins.plugin.version
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20037'>HBASE-20037</a>] -         Race when calling SequenceIdAccounting.resetHighest
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20043'>HBASE-20043</a>] -         ITBLL fails against hadoop3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20049'>HBASE-20049</a>] -         Region replicas of SPLIT and MERGED regions are kept in in-memory states until restarting master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20054'>HBASE-20054</a>] -         Forward port HBASE-18282 ReplicationLogCleaner can delete WALs not yet replicated in case of KeeperException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20061'>HBASE-20061</a>] -         HStore synchronized member variable filesCompacting should be private
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20062'>HBASE-20062</a>] -         findbugs is not running on precommit checks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20066'>HBASE-20066</a>] -         Region sequence id may go backward after split or merge
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20070'>HBASE-20070</a>] -         website generation is failing
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20074'>HBASE-20074</a>] -         [FindBugs] Same code on both branches in CompactingMemStore#initMemStoreCompactor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20078'>HBASE-20078</a>] -         MultiByteBuff : bug in reading primitives when individual buffers are too small
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20086'>HBASE-20086</a>] -         PE randomSeekScan fails with ClassNotFoundException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20090'>HBASE-20090</a>] -         Properly handle Preconditions check failure in MemStoreFlusher$FlushHandler.run
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20104'>HBASE-20104</a>] -         Fix infinite loop of RIT when creating table on a rsgroup that has no online servers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20106'>HBASE-20106</a>] -         API Compliance checker should fall back to specifying origin as remote repo
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20108'>HBASE-20108</a>] -         `hbase zkcli` falls into a non-interactive prompt after HBASE-15199
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20110'>HBASE-20110</a>] -         Findbugs in zk and mr caused nightly #409 branch-2 to fail
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20111'>HBASE-20111</a>] -         Able to split region explicitly even on shouldSplit return false from split policy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20114'>HBASE-20114</a>] -         Fix IllegalFormatConversionException in rsgroup.jsp
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20130'>HBASE-20130</a>] -         Use defaults (16020 &amp; 16030) as base ports when the RS is bound to localhost
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20134'>HBASE-20134</a>] -         support scripts use hard-coded /tmp
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20141'>HBASE-20141</a>] -         Fix TooManyFiles exception when RefreshingChannels in FileIOEngine
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20144'>HBASE-20144</a>] -         The shutdown of master will hang if there are no live region server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20146'>HBASE-20146</a>] -         Regions are stuck while opening when WAL is disabled
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20153'>HBASE-20153</a>] -         enable error-prone analysis in precommit
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20157'>HBASE-20157</a>] -         WAL file might get broken
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20160'>HBASE-20160</a>] -         TestRestartCluster.testRetainAssignmentOnRestart uses the wrong condition to decide whether the assignment is finished
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20162'>HBASE-20162</a>] -         [nightly] depending on pipeline execution we sometimes refer to the wrong workspace
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20164'>HBASE-20164</a>] -         failed hadoopcheck should add footer link
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20182'>HBASE-20182</a>] -         Can not locate region after split and merge
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20185'>HBASE-20185</a>] -         Fix ACL check for MasterRpcServices#execProcedure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20187'>HBASE-20187</a>] -         Shell startup fails with IncompatibleClassChangeError
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20189'>HBASE-20189</a>] -         Typo in Required Java Version error message while building HBase.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20200'>HBASE-20200</a>] -         list_procedures fails in shell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20201'>HBASE-20201</a>] -         HBase must provide commons-cli-1.4 for mapreduce jobs with H3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20203'>HBASE-20203</a>] -         [AMv2] CODE-BUG: Uncaught runtime exception for pid=...., state=SUCCESS; AssignProcedure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20213'>HBASE-20213</a>] -         [LOGGING] Aligning formatting and logging less (compactions, in-memory compactions)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20219'>HBASE-20219</a>] -         An error occurs when scanning with reversed=true and loadColumnFamiliesOnDemand=true
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20224'>HBASE-20224</a>] -         Web UI is broken in standalone mode
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20229'>HBASE-20229</a>] -         ConnectionImplementation.locateRegions() returns duplicated entries when region replication is on
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20231'>HBASE-20231</a>] -         Not able to delete column family from a row using RemoteHTable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20233'>HBASE-20233</a>] -         [metrics] Ill-formatted numRegions metric in &quot;Hadoop:service=HBase,name=RegionServer,sub=Regions&quot; mbean
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20237'>HBASE-20237</a>] -         Put back getClosestRowBefore and throw UnknownProtocolException instead... for asynchbase client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20259'>HBASE-20259</a>] -         Doc configs for in-memory-compaction and add detail to in-memory-compaction logging
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20261'>HBASE-20261</a>] -         Table page (table.jsp) in Master UI does not show replicaIds for hbase meta table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20280'>HBASE-20280</a>] -         Fix possibility of deadlocking in refreshFileConnections when prefetch is enabled
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20282'>HBASE-20282</a>] -         Provide short name invocations for useful tools
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20292'>HBASE-20292</a>] -         Wrong URLs in the descriptions for update_all_config and update_config commands in shell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20293'>HBASE-20293</a>] -         get_splits returns duplicate split points when region replication is on
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20295'>HBASE-20295</a>] -         TableOutputFormat.checkOutputSpecs throw NullPointerException Exception
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20308'>HBASE-20308</a>] -         test Dockerfile needs to include git
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20310'>HBASE-20310</a>] -         [hbck] bin/hbase hbck -metaonly shows false inconsistency on HBase 2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20314'>HBASE-20314</a>] -         Precommit build for master branch fails because of surefire fork fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20330'>HBASE-20330</a>] -         ProcedureExecutor.start() gets stuck in recover lease on store.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20343'>HBASE-20343</a>] -         [DOC] fix log directory paths
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20350'>HBASE-20350</a>] -         NullPointerException in Scanner during close()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20351'>HBASE-20351</a>] -         Shell dumps netty properties on startup
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20353'>HBASE-20353</a>] -         REST server startup fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20358'>HBASE-20358</a>] -         Fix bin/hbase thrift usage text
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20362'>HBASE-20362</a>] -         TestMasterShutdown.testMasterShutdownBeforeStartingAnyRegionServer is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20363'>HBASE-20363</a>] -         TestNamespaceAuditor.testRegionMerge is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20376'>HBASE-20376</a>] -         RowCounter and CellCounter documentations are incorrect
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20382'>HBASE-20382</a>] -         If RSGroups not enabled, rsgroup.jsp prints stack trace
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20384'>HBASE-20384</a>] -         [AMv2] Logging format improvements; use encoded name rather than full region name marking  transitions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20385'>HBASE-20385</a>] -         Purge md5-making from our little make_rc.sh script
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20394'>HBASE-20394</a>] -         HBase over rides the value of HBASE_OPTS (if any) set by client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20397'>HBASE-20397</a>] -         Make it more explicit that monkey.properties is found on CLASSPATH
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20398'>HBASE-20398</a>] -         Redirect doesn&#39;t work on web UI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20399'>HBASE-20399</a>] -         Fix merge layout
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20410'>HBASE-20410</a>] -         upgrade protoc compiler to 3.5.1-1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20427'>HBASE-20427</a>] -         thrift.jsp displays &quot;Framed transport&quot; incorrectly 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20439'>HBASE-20439</a>] -         Clean up incorrect use of commons-logging in hbase-server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20440'>HBASE-20440</a>] -         Clean up incorrect use of commons-lang 2.y
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20442'>HBASE-20442</a>] -         clean up incorrect use of commons-collections 3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20464'>HBASE-20464</a>] -         Disable IMC
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20465'>HBASE-20465</a>] -         Fix TestEnableRSGroup flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-21617'>HBASE-21617</a>] -         HBase Bytes.putBigDecimal error
</li>
</ul>
            
<h2>        New Feature
</h2>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-3727'>HBASE-3727</a>] -         MultiHFileOutputFormat
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-4224'>HBASE-4224</a>] -         Need a flush by regionserver rather than by table option
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-5162'>HBASE-5162</a>] -         Basic client pushback mechanism
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-5238'>HBASE-5238</a>] -         Add a log4j category for all edits to META/ROOT
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-5980'>HBASE-5980</a>] -         Scanner responses from RS should include metrics on rows/KVs filtered
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-6721'>HBASE-6721</a>] -         RegionServer Group based Assignment
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-9774'>HBASE-9774</a>] -         HBase native metrics and metric collection for coprocessors
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-10070'>HBASE-10070</a>] -         HBase read high-availability using timeline-consistent region replicas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-10358'>HBASE-10358</a>] -         Shell changes for setting consistency per request
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11262'>HBASE-11262</a>] -         Avoid empty columns while doing bulk-load
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12268'>HBASE-12268</a>] -         Add support for Scan.setRowPrefixFilter to shell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12721'>HBASE-12721</a>] -         Create Docker container cluster infrastructure to enable better testing
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12869'>HBASE-12869</a>] -         Add a REST API implementation of the ClusterManager interface
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12911'>HBASE-12911</a>] -         Client-side metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12944'>HBASE-12944</a>] -         Support patches to branches in precommit jenkins build 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12972'>HBASE-12972</a>] -         Region, a supportable public/evolving subset of HRegion
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13057'>HBASE-13057</a>] -         Provide client utility to easily enable and disable table replication
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13063'>HBASE-13063</a>] -         Allow to turn off memstore replication for region replicas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13071'>HBASE-13071</a>] -         Hbase Streaming Scan Feature
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13090'>HBASE-13090</a>] -         Progress heartbeats for long running scanners
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13153'>HBASE-13153</a>] -         Bulk Loaded HFile Replication
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13170'>HBASE-13170</a>] -         Allow block cache to be external
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13259'>HBASE-13259</a>] -         mmap() based BucketCache IOEngine
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13356'>HBASE-13356</a>] -         HBase should provide an InputFormat supporting multiple scans in mapreduce jobs over snapshots
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13412'>HBASE-13412</a>] -         Region split decisions should have jitter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13639'>HBASE-13639</a>] -         SyncTable - rsync for HBase tables
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13698'>HBASE-13698</a>] -         Add RegionLocator methods to Thrift2 proxy.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13702'>HBASE-13702</a>] -         ImportTsv: Add dry-run functionality and log bad rows
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13784'>HBASE-13784</a>] -         Add Async Client Table API
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14125'>HBASE-14125</a>] -         HBase Backup/Restore Phase 2: Cancel backup
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14130'>HBASE-14130</a>] -         HBase Backup/Restore Phase 2: Delete backup image
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14131'>HBASE-14131</a>] -         HBase Backup/Restore Phase 2: Describe backup image
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14132'>HBASE-14132</a>] -         HBase Backup/Restore Phase 2: History of backups
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14133'>HBASE-14133</a>] -         HBase Backup/Restore Phase 2: Status (and progress) of backup request
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14134'>HBASE-14134</a>] -         HBase Backup/Restore Phase 2: Backup sets management
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14135'>HBASE-14135</a>] -         HBase Backup/Restore Phase 3: Merge backup images
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14137'>HBASE-14137</a>] -         HBase Backup/Restore Phase 2: Backup throttling
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14141'>HBASE-14141</a>] -         HBase Backup/Restore Phase 3: Filter WALs on backup to include only edits from backed up tables
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14154'>HBASE-14154</a>] -         DFS Replication should be configurable at column family level
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14355'>HBASE-14355</a>] -         Scan different TimeRange for each column family
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14417'>HBASE-14417</a>] -         Incremental backup and bulk loading
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14456'>HBASE-14456</a>] -         Implement a namespace-based region grouping strategy for RegionGroupingProvider
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14459'>HBASE-14459</a>] -         Add request and response sizes metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14477'>HBASE-14477</a>] -         Compaction improvements: Date tiered compaction policy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14529'>HBASE-14529</a>] -         Respond to SIGHUP to reload config
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14980'>HBASE-14980</a>] -         Project Astro
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15036'>HBASE-15036</a>] -         Update HBase Spark documentation to include bulk load with thin records
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15134'>HBASE-15134</a>] -         Add visibility into Flush and Compaction queues
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15135'>HBASE-15135</a>] -         Add metrics for storefile age
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15136'>HBASE-15136</a>] -         Explore different queuing behaviors while busy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15181'>HBASE-15181</a>] -         A simple implementation of date based tiered compaction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15228'>HBASE-15228</a>] -         Add the methods to RegionObserver to trigger start/complete restoring WALs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15281'>HBASE-15281</a>] -         Allow the FileSystem inside HFileSystem to be wrapped
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15321'>HBASE-15321</a>] -         Ability to open a HRegion from hdfs snapshot.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15432'>HBASE-15432</a>] -         TableInputFormat - support multi column family scan
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15481'>HBASE-15481</a>] -         Add pre/post roll to WALObserver
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15576'>HBASE-15576</a>] -         Scanning cursor to prevent blocking long time on ResultScanner.next()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15592'>HBASE-15592</a>] -         Print Procedure WAL content
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15780'>HBASE-15780</a>] -         Expose AuthUtil as IA.Public
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15798'>HBASE-15798</a>] -         Add Async RpcChannels to all RpcClients
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15806'>HBASE-15806</a>] -         An endpoint-based export tool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15847'>HBASE-15847</a>] -         VerifyReplication prefix filtering
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15881'>HBASE-15881</a>] -         Allow BZIP2 compression
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15892'>HBASE-15892</a>] -         submit-patch.py: Single command line to make patch, upload it to jira, and update review board
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15943'>HBASE-15943</a>] -         Add page displaying JVM process metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15968'>HBASE-15968</a>] -         New behavior of versions considering mvcc and ts rather than ts only
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16213'>HBASE-16213</a>] -         A new HFileBlock structure for fast random get
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16388'>HBASE-16388</a>] -         Prevent client threads being blocked by only one slow region server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16447'>HBASE-16447</a>] -         Replication by namespaces config in peer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16463'>HBASE-16463</a>] -         Improve transparent table/CF encryption with Commons Crypto
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16677'>HBASE-16677</a>] -         Add table size (total store file size) to table page
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16751'>HBASE-16751</a>] -         Add tuning information to HBase Book
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16961'>HBASE-16961</a>] -         FileSystem Quotas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16981'>HBASE-16981</a>] -         Expand Mob Compaction Partition policy from daily to weekly, monthly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17076'>HBASE-17076</a>] -         implement getAndPut() and getAndDelete()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17151'>HBASE-17151</a>] -         New API to create HFile.Reader without instantiating block cache 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17174'>HBASE-17174</a>] -         Refactor the AsyncProcess, BufferedMutatorImpl, and HTable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17181'>HBASE-17181</a>] -         Let HBase thrift2 support TThreadedSelectorServer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17542'>HBASE-17542</a>] -         Move backup system table into separate namespace
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17737'>HBASE-17737</a>] -         Thrift2 proxy should support scan timeRange per column family
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17757'>HBASE-17757</a>] -         Unify blocksize after encoding to decrease memory fragment 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17758'>HBASE-17758</a>] -         [RSGROUP] Add shell command to move servers and tables at the same time
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17849'>HBASE-17849</a>] -         PE tool random read is not totally random
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17928'>HBASE-17928</a>] -         Shell tool to clear compaction queues
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18131'>HBASE-18131</a>] -         Add an hbase shell command to clear deadserver list in ServerManager
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18161'>HBASE-18161</a>] -         Incremental Load support for Multiple-Table HFileOutputFormat
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18171'>HBASE-18171</a>] -         Scanning cursor for async client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18226'>HBASE-18226</a>] -         Disable reverse DNS lookup at HMaster and use the hostname provided by RegionServer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18546'>HBASE-18546</a>] -         Always overwrite the TS for Append/Increment unless no existing cells are found
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18875'>HBASE-18875</a>] -         Thrift server supports read-only mode
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19103'>HBASE-19103</a>] -         Add BigDecimalComparator for filter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19189'>HBASE-19189</a>] -         Ad-hoc test job for running a subset of tests lots of times
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19326'>HBASE-19326</a>] -         Remove decommissioned servers from rsgroup
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19504'>HBASE-19504</a>] -         Add TimeRange support into checkAndMutate
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19528'>HBASE-19528</a>] -         Major Compaction Tool 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19799'>HBASE-19799</a>] -         Add web UI to rsgroup
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19844'>HBASE-19844</a>] -         Shell should support flush by regionserver
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19886'>HBASE-19886</a>] -         Display maintenance mode in shell, web UI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19897'>HBASE-19897</a>] -         RowMutations should follow the fluent pattern
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19950'>HBASE-19950</a>] -         Introduce a ColumnValueFilter
</li>
</ul>
    
<h2>        Improvement
</h2>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-2631'>HBASE-2631</a>] -         Decide between &quot;InMB&quot; and &quot;MB&quot; as suffix for field names in ClusterStatus objects
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-3135'>HBASE-3135</a>] -         Make our MR jobs implement Tool and use ToolRunner so can do -D trickery, etc.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-3462'>HBASE-3462</a>] -         Fix table.jsp in regards to splitting a region/table with an optional splitkey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-3935'>HBASE-3935</a>] -         HServerLoad.storefileIndexSizeMB should be changed to storefileIndexSizeKB
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-5291'>HBASE-5291</a>] -         Add Kerberos HTTP SPNEGO authentication support to HBase web consoles
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-5696'>HBASE-5696</a>] -         Use Hadoop&#39;s DataOutputOutputStream instead of have a copy local
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-6290'>HBASE-6290</a>] -         Add a function a mark a server as dead and start the recovery the process
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-6580'>HBASE-6580</a>] -         Deprecate HTablePool in favor of HConnection.getTable(...)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-6617'>HBASE-6617</a>] -         ReplicationSourceManager should be able to track multiple WAL paths
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-6919'>HBASE-6919</a>] -         Remove unnecessary throws IOException from Bytes.readVLong
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-7171'>HBASE-7171</a>] -         Initial web UI for region/memstore/storefiles details
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-7541'>HBASE-7541</a>] -         Convert all tests that use HBaseTestingUtility.createMultiRegions to HBA.createTable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-7782'>HBASE-7782</a>] -         HBaseTestingUtility.truncateTable() not acting like CLI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-7972'>HBASE-7972</a>] -         Add a configuration for the TCP backlog in the Thrift server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-8309'>HBASE-8309</a>] -         TableLockManager: allow lock timeout to be set at the individual lock level
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-8329'>HBASE-8329</a>] -         Limit compaction speed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-8386'>HBASE-8386</a>] -         deprecate TableMapReduce.addDependencyJars(Configuration, class&lt;?&gt; ...)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-8486'>HBASE-8486</a>] -         IS_ROOT isnt needed in HTableDescriptor.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-8518'>HBASE-8518</a>] -         Get rid of hbase.hstore.compaction.complete setting
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-8642'>HBASE-8642</a>] -         [Snapshot] List and delete snapshot by table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-9899'>HBASE-9899</a>] -         for idempotent operation dups, return the result instead of throwing conflict exception
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-10201'>HBASE-10201</a>] -         Port &#39;Make flush decisions per column family&#39; to trunk
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-10240'>HBASE-10240</a>] -         Remove 0.94-&gt;0.96 migration code
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-10367'>HBASE-10367</a>] -         RegionServer graceful stop / decommissioning
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-10699'>HBASE-10699</a>] -         Optimize some code; set capacity on arraylist when possible; use isEmpty; reduce allocations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11013'>HBASE-11013</a>] -         Clone Snapshots on Secure Cluster Should provide option to apply Retained User Permissions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11144'>HBASE-11144</a>] -         Filter to support scanning multiple row key ranges
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11344'>HBASE-11344</a>] -         Hide row keys and such from the web UIs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11400'>HBASE-11400</a>] -         Edit, consolidate, and update Compression and data encoding docs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11462'>HBASE-11462</a>] -         MetaTableAccessor shouldn&#39;t use ZooKeeeper
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11548'>HBASE-11548</a>] -         [PE] Add &#39;cycling&#39; test N times and unit tests for size/zipf/valueSize calculations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11585'>HBASE-11585</a>] -         PE: Allows warm-up
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11611'>HBASE-11611</a>] -         Clean up ZK-based region assignment
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11707'>HBASE-11707</a>] -         Using Map instead of list in FailedServers of RpcClient
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11760'>HBASE-11760</a>] -         Tighten up region state transition
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11792'>HBASE-11792</a>] -         Organize PerformanceEvaluation usage output
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11843'>HBASE-11843</a>] -         MapReduce classes shouldn&#39;t be in hbase-server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11862'>HBASE-11862</a>] -         Get rid of Writables in HTableDescriptor, HColumnDescriptor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11864'>HBASE-11864</a>] -         Enhance HLogPrettyPrinter to print information from WAL Header
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11869'>HBASE-11869</a>] -         Support snapshot owner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11927'>HBASE-11927</a>] -         Use Native Hadoop Library for HFile checksum (And flip default from CRC32 to CRC32C)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11939'>HBASE-11939</a>] -         Document compressed blockcache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12003'>HBASE-12003</a>] -         Fix SecureBulkLoadEndpoint class javadoc formatting
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12035'>HBASE-12035</a>] -         Keep table state in META
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12195'>HBASE-12195</a>] -         Fix dev-support/findHangingTests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12203'>HBASE-12203</a>] -         Remove Master from table status query path.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12207'>HBASE-12207</a>] -         A script to help keep your Git repo fresh
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12220'>HBASE-12220</a>] -         Add hedgedReads and hedgedReadWins metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12223'>HBASE-12223</a>] -         MultiTableInputFormatBase.getSplits is too slow
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12251'>HBASE-12251</a>] -         [book] Hadoop compat matrix 0.94 section needs cleaned up
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12256'>HBASE-12256</a>] -         Update patch submission guidelines to call out binary file support
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12350'>HBASE-12350</a>] -         Backport error-prone build support to branch-1 and branch-2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12405'>HBASE-12405</a>] -         WAL accounting by Store
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12415'>HBASE-12415</a>] -         Add add(byte[][] arrays) to Bytes.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12429'>HBASE-12429</a>] -         Add port to ClusterManager&#39;s actions.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12559'>HBASE-12559</a>] -         Provide LoadBalancer with online configuration capability
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12590'>HBASE-12590</a>] -         A solution for data skew in HBase-Mapreduce Job
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12596'>HBASE-12596</a>] -         bulkload needs to follow locality
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12601'>HBASE-12601</a>] -         Explain how to grant/revoke permission to a group/namespace in grant/revoke command usage
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12620'>HBASE-12620</a>] -         Add HBASE-11639 related items to Ref Guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12627'>HBASE-12627</a>] -         Add back snapshot batching facility from HBASE-11360 dropped by HBASE-11742
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12650'>HBASE-12650</a>] -         Move ServerName to hbase-common module
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12684'>HBASE-12684</a>] -         Add new AsyncRpcClient
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12706'>HBASE-12706</a>] -         Support multiple port numbers in ZK quorum string
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12761'>HBASE-12761</a>] -         On region jump ClientScanners should get next row start key instead of a skip.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12769'>HBASE-12769</a>] -         Replication fails to delete all corresponding zk nodes when peer is removed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12770'>HBASE-12770</a>] -         Don&#39;t transfer all the queued hlogs of a dead server to the same alive server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12796'>HBASE-12796</a>] -         Clean up HTable and HBaseAdmin deprecated constructor usage
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12808'>HBASE-12808</a>] -         Use Java API Compliance Checker for binary/source compatibility
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12812'>HBASE-12812</a>] -         Update Netty dependency to latest release
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12822'>HBASE-12822</a>] -         Option for Unloading regions through region_mover.rb without Acknowledging
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12839'>HBASE-12839</a>] -         Remove synchronization in ServerStatisticsTracker
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12840'>HBASE-12840</a>] -         Improve unit test coverage of the client pushback mechanism
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12870'>HBASE-12870</a>] -         &quot;Major compaction triggered&quot; and &quot;Skipping major compaction&quot; messages lack the region information
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12887'>HBASE-12887</a>] -         Cleanup many checkstyle errors in o.a.h.h.client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12888'>HBASE-12888</a>] -         Display number of regions on the table jsp page.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12891'>HBASE-12891</a>] -         Parallel execution for Hbck checkRegionConsistency
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12894'>HBASE-12894</a>] -         Upgrade Jetty to 9.2.6
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12896'>HBASE-12896</a>] -         checkstyle report diff tool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12940'>HBASE-12940</a>] -         Expose listPeerConfigs and getPeerConfig to the HBase shell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12957'>HBASE-12957</a>] -         region_mover#isSuccessfulScan may be extremely slow on region with lots of expired data
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12975'>HBASE-12975</a>] -         Supportable SplitTransaction and RegionMergeTransaction interfaces
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12982'>HBASE-12982</a>] -         Adding timeouts to TestChoreService
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12986'>HBASE-12986</a>] -         Compaction pressure based client pushback
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12987'>HBASE-12987</a>] -         HBCK should print status while scanning over many regions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12988'>HBASE-12988</a>] -         [Replication]Parallel apply edits across regions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12990'>HBASE-12990</a>] -         MetaScanner should be replaced by MetaTableAccessor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13002'>HBASE-13002</a>] -         Make encryption cipher configurable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13014'>HBASE-13014</a>] -         Java Tool For Region Moving 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13016'>HBASE-13016</a>] -         Clean up remnants of table states stored in table descriptors
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13018'>HBASE-13018</a>] -         WALSplitter should not try to get table states while splitting META
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13044'>HBASE-13044</a>] -         Configuration option for disabling coprocessor loading
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13054'>HBASE-13054</a>] -         Provide more tracing information for locking/latching events.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13056'>HBASE-13056</a>] -         Refactor table.jsp code to remove repeated code and make it easier to add new checks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13059'>HBASE-13059</a>] -         Set executable bit for scripts in dev-support
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13080'>HBASE-13080</a>] -         Hbase shell message containing extra quote at the end of error message.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13086'>HBASE-13086</a>] -         Show ZK root node on Master WebUI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13100'>HBASE-13100</a>] -         Shell command to retrieve table splits
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13103'>HBASE-13103</a>] -         [ergonomics] add region size balancing as a feature of master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13109'>HBASE-13109</a>] -         Make better SEEK vs SKIP decisions during scanning
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13118'>HBASE-13118</a>] -         [PE] Add being able to write many columns
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13120'>HBASE-13120</a>] -         Allow disabling hadoop classpath and native library lookup
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13122'>HBASE-13122</a>] -         Improve efficiency for return codes of some filters
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13127'>HBASE-13127</a>] -         Add timeouts on all tests so less zombie sightings
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13128'>HBASE-13128</a>] -         Make HBCK&#39;s lock file retry creation and deletion
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13129'>HBASE-13129</a>] -         Add troubleshooting hints around WAL retention from replication
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13132'>HBASE-13132</a>] -         Improve RemoveColumn action debug message 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13138'>HBASE-13138</a>] -         Clean up TestMasterObserver (debug, trying to figure why fails)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13142'>HBASE-13142</a>] -         [PERF] Reuse the IPCUtil#buildCellBlock buffer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13158'>HBASE-13158</a>] -         When client supports CellBlock, return the result Cells as controller payload for get(Get) API also
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13162'>HBASE-13162</a>] -         Add capability for cleaning hbase acls to hbase cleanup script.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13171'>HBASE-13171</a>] -         Change AccessControlClient methods to accept connection object to reduce setup time.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13183'>HBASE-13183</a>] -         Make ZK tickTime configurable in standalone HBase
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13185'>HBASE-13185</a>] -         Document hbase.regionserver.thrift.framed.max_frame_size_in_mb more clearly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13189'>HBASE-13189</a>] -         PrefixTreecell should implement HeapSize
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13197'>HBASE-13197</a>] -         Connection API cleanup
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13199'>HBASE-13199</a>] -         Some small improvements on canary tool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13216'>HBASE-13216</a>] -         Add version info in RPC connection header
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13222'>HBASE-13222</a>] -         Provide means of non-destructive balancer inspection
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13223'>HBASE-13223</a>] -         Add testMoveMeta to IntegrationTestMTTR
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13235'>HBASE-13235</a>] -         Revisit the security auditing semantics.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13236'>HBASE-13236</a>] -         Clean up m2e-related warnings/errors from poms
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13240'>HBASE-13240</a>] -         add an exemption to test-patch for build-only changes.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13241'>HBASE-13241</a>] -         Add tests for group level grants
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13247'>HBASE-13247</a>] -         Change BufferedMutatorExample to use addColumn() since add() is deprecated
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13251'>HBASE-13251</a>] -         Correct &#39;HBase, MapReduce, and the CLASSPATH&#39; section in HBase Ref Guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13255'>HBASE-13255</a>] -         Bad grammar in RegionServer status page
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13256'>HBASE-13256</a>] -         HBaseConfiguration#checkDefaultsVersion(Configuration) has spelling error
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13270'>HBASE-13270</a>] -         Setter for Result#getStats is #addResults; confusing!
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13271'>HBASE-13271</a>] -         Table#puts(List&lt;Put&gt;) operation is indeterminate; needs fixing
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13286'>HBASE-13286</a>] -         Minimum timeout for a rpc call could be 1 ms instead of 2 seconds
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13316'>HBASE-13316</a>] -         Reduce the downtime on planned moves of regions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13322'>HBASE-13322</a>] -         Replace explicit HBaseAdmin creation with connection#getAdmin()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13334'>HBASE-13334</a>] -         FindBugs should create precise report for new bugs introduced
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13340'>HBASE-13340</a>] -         Include LimitedPrivate interfaces in the API compatibility report
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13341'>HBASE-13341</a>] -         Add option to disable filtering on interface annotations for the API compatibility report
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13342'>HBASE-13342</a>] -         Fix incorrect interface annotations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13344'>HBASE-13344</a>] -         Add enforcer rule that matches our JDK support statement
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13345'>HBASE-13345</a>] -         Fix LocalHBaseCluster so that different region server impl can be used for different slaves
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13347'>HBASE-13347</a>] -         Deprecate FirstKeyValueMatchingQualifiersFilter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13348'>HBASE-13348</a>] -         Separate the thread number configs for meta server and server operations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13350'>HBASE-13350</a>] -         Add a debug-warn if we fail HTD checks even if table.sanity.checks is false
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13351'>HBASE-13351</a>] -         Annotate internal MasterRpcServices methods with admin priority
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13358'>HBASE-13358</a>] -         Upgrade VisibilityClient API to accept Connection object.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13362'>HBASE-13362</a>] -         Set max result size from client only (like scanner caching).
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13366'>HBASE-13366</a>] -         Throw DoNotRetryIOException instead of read only IOException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13369'>HBASE-13369</a>] -         Expose scanNext stats to region server level
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13370'>HBASE-13370</a>] -         PE tool could give option for using Explicit Column Tracker which leads to seeks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13375'>HBASE-13375</a>] -         Provide HBase superuser higher priority over other users in the RPC handling
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13376'>HBASE-13376</a>] -         Improvements to Stochastic load balancer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13381'>HBASE-13381</a>] -         Expand TestSizeFailures to include small scans
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13419'>HBASE-13419</a>] -         Thrift gateway should propagate text from exception causes.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13420'>HBASE-13420</a>] -         RegionEnvironment.offerExecutionLatency Blocks Threads under Heavy Load
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13425'>HBASE-13425</a>] -         Documentation nit in REST Gateway impersonation section
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13431'>HBASE-13431</a>] -         Allow to skip store file range check based on column family while creating reference files in HRegionFileSystem#splitStoreFile
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13436'>HBASE-13436</a>] -         Include user name in ADE for scans
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13453'>HBASE-13453</a>] -         Master should not bind to region server ports
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13456'>HBASE-13456</a>] -         Improve HFilePrettyPrinter first hbase:meta region processing 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13500'>HBASE-13500</a>] -         Deprecate KVComparator and move to CellComparator
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13516'>HBASE-13516</a>] -         Increase PermSize to 128MB
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13518'>HBASE-13518</a>] -         Typo in hbase.hconnection.meta.lookup.threads.core parameter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13525'>HBASE-13525</a>] -         Update test-patch to leverage Apache Yetus
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13530'>HBASE-13530</a>] -         Add param for bulkload wait duration in HRegion.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13532'>HBASE-13532</a>] -         Make UnknownScannerException logging less scary
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13534'>HBASE-13534</a>] -         Change HBase master WebUI to explicitly mention if it is a backup master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13550'>HBASE-13550</a>] -         [Shell] Support unset of a list of table attributes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13552'>HBASE-13552</a>] -         ChoreService shutdown message could be more informative
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13578'>HBASE-13578</a>] -         Remove Arrays.asList().subList() from FSHLog.offer()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13598'>HBASE-13598</a>] -         Make hbase assembly &#39;attach&#39; to the project
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13622'>HBASE-13622</a>] -         document upgrade rollback
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13645'>HBASE-13645</a>] -         Rename *column methods in MasterObserver to *columnFamily
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13655'>HBASE-13655</a>] -         Deprecate duplicate getCompression methods in HColumnDescriptor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13656'>HBASE-13656</a>] -         Rename getDeadServers to getDeadServersSize in Admin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13670'>HBASE-13670</a>] -         [HBase MOB] ExpiredMobFileCleaner tool deletes mob files later for one more day after they are expired
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13671'>HBASE-13671</a>] -         More classes to add to the invoking repository of org.apache.hadoop.hbase.mapreduce.driver
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13673'>HBASE-13673</a>] -         WALProcedureStore procedure is chatty
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13675'>HBASE-13675</a>] -         ProcedureExecutor completion report should be at DEBUG log level
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13677'>HBASE-13677</a>] -         RecoverableZookeeper WARNs on expected events
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13684'>HBASE-13684</a>] -         Allow mlockagent to be used when not starting as root
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13701'>HBASE-13701</a>] -         Consolidate SecureBulkLoadEndpoint into HBase core as default for bulk load
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13710'>HBASE-13710</a>] -         Remove use of Hadoop&#39;s ReflectionUtil in favor of our own.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13718'>HBASE-13718</a>] -         Add a pretty printed table description to the table detail page of HBase&#39;s master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13725'>HBASE-13725</a>] -         [documentation] Pseudo-Distributed Local Install can link to hadoop instructions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13742'>HBASE-13742</a>] -         buildbot should run link checker over book
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13745'>HBASE-13745</a>] -         Say why a flush was requested in log message
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13755'>HBASE-13755</a>] -         Provide single super user check implementation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13761'>HBASE-13761</a>] -         Optimize FuzzyRowFilter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13780'>HBASE-13780</a>] -         Default to 700 for HDFS root dir permissions for secure deployments
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13816'>HBASE-13816</a>] -         Build shaded modules only in release profile
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13828'>HBASE-13828</a>] -         Add group permissions testing coverage to AC.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13829'>HBASE-13829</a>] -         Add more ThrottleType
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13844'>HBASE-13844</a>] -         Move static helper methods from KeyValue into CellUtils
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13846'>HBASE-13846</a>] -         Run MiniCluster on top of other MiniDfsCluster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13848'>HBASE-13848</a>] -         Access InfoServer SSL passwords through Credential Provder API
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13876'>HBASE-13876</a>] -         Improving performance of HeapMemoryManager
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13894'>HBASE-13894</a>] -         Avoid visitor alloc each call of ByteBufferArray get/putMultiple()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13900'>HBASE-13900</a>] -         duplicate methods between ProtobufMagic and ProtobufUtil
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13902'>HBASE-13902</a>] -         Remove Sync RpcClientImpl
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13914'>HBASE-13914</a>] -         Minor improvements to dev-support/publish_hbase_website.sh
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13917'>HBASE-13917</a>] -         Remove string comparison to identify request priority
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13925'>HBASE-13925</a>] -         Use zookeeper multi to clear znodes in ZKProcedureUtil
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13927'>HBASE-13927</a>] -         Allow hbase-daemon.sh to conditionally redirect the log or not
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13931'>HBASE-13931</a>] -         Move Unsafe based operations to UnsafeAccess
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13943'>HBASE-13943</a>] -         Get rid of KeyValue#heapSizeWithoutTags
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13965'>HBASE-13965</a>] -         Stochastic Load Balancer JMX Metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13980'>HBASE-13980</a>] -         Distinguish blockedFlushCount vs unblockedFlushCount when tuning heap memory
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13985'>HBASE-13985</a>] -         Add configuration to skip validating HFile format when bulk loading
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13996'>HBASE-13996</a>] -         Add write sniffing in canary
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14001'>HBASE-14001</a>] -         Optimize write(OutputStream out, boolean withTags) for SizeCachedNoTagsKeyValue
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14002'>HBASE-14002</a>] -         Add --noReplicationSetup option to IntegrationTestReplication
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14007'>HBASE-14007</a>] -         Writing to table through MR should fail upfront if table does not exist/is disabled
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14015'>HBASE-14015</a>] -         Allow setting a richer state value when toString a pv2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14027'>HBASE-14027</a>] -         Clean up netty dependencies
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14040'>HBASE-14040</a>] -         Small refactoring in BackupHandler
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14045'>HBASE-14045</a>] -         Bumping thrift version to 0.9.2.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14047'>HBASE-14047</a>] -         Cleanup deprecated APIs from Cell class
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14058'>HBASE-14058</a>] -         Stabilizing default heap memory tuner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14068'>HBASE-14068</a>] -         How to Release docs should include pointers for making signed tags
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14078'>HBASE-14078</a>] -         improve error message when HMaster can&#39;t bind to port
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14082'>HBASE-14082</a>] -         Add replica id to JMX metrics names
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14097'>HBASE-14097</a>] -         Log link to client scan troubleshooting section when scanner exceptions happen.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14099'>HBASE-14099</a>] -         StoreFile.passesKeyRangeFilter need not create Cells from the Scan&#39;s start and stop Row
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14110'>HBASE-14110</a>] -         Add CostFunction for balancing primary region replicas
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14122'>HBASE-14122</a>] -         Client API for determining if server side supports cell level security
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14148'>HBASE-14148</a>] -         Web UI Framable Page
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14151'>HBASE-14151</a>] -         Remove the unnecessary file ProtobufUtil.java.rej which is brought in by merging hbase-11339
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14152'>HBASE-14152</a>] -         Fix the warnings in Checkstyle and FindBugs brought in by merging hbase-11339
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14164'>HBASE-14164</a>] -         Display primary region replicas distribution on table.jsp
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14165'>HBASE-14165</a>] -         The initial size of RWQueueRpcExecutor.queues should be (numWriteQueues + numReadQueues + numScanQueues) 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14172'>HBASE-14172</a>] -         Upgrade existing thrift binding using thrift 0.9.3 compiler.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14193'>HBASE-14193</a>] -         Remove support for direct upgrade from pre-0.96 versions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14194'>HBASE-14194</a>] -         Undeprecate methods in ThriftServerRunner.HBaseHandler
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14203'>HBASE-14203</a>] -         remove duplicate code getTableDescriptor in HTable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14220'>HBASE-14220</a>] -         nightly tests should verify src tgz generates and builds correctly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14230'>HBASE-14230</a>] -         replace reflection in FSHlog with HdfsDataOutputStream#getCurrentBlockReplication()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14247'>HBASE-14247</a>] -         Separate the old WALs into different regionserver directories
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14255'>HBASE-14255</a>] -         Simplify Cell creation post 1.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14260'>HBASE-14260</a>] -         don&#39;t build javadocs for hbase-protocol module
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14261'>HBASE-14261</a>] -         Enhance Chaos Monkey framework by adding zookeeper and datanode fault injections.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14266'>HBASE-14266</a>] -         RegionServers have a lock contention of Configuration.getProps
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14268'>HBASE-14268</a>] -         Improve KeyLocker
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14306'>HBASE-14306</a>] -         Refine RegionGroupingProvider: fix issues and make it more scalable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14309'>HBASE-14309</a>] -         Allow load balancer to operate when there is region in transition by adding force flag
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14314'>HBASE-14314</a>] -         Metrics for block cache should take region replicas into account
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14325'>HBASE-14325</a>] -         Add snapshotinfo command to hbase script
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14332'>HBASE-14332</a>] -         Show the table state when we encounter exception while disabling / enabling table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14334'>HBASE-14334</a>] -         Move Memcached block cache in to it&#39;s own optional module.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14345'>HBASE-14345</a>] -         Consolidate printUsage in IntegrationTestLoadAndVerify
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14387'>HBASE-14387</a>] -         Compaction improvements: Maximum off-peak compaction size
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14397'>HBASE-14397</a>] -         PrefixFilter doesn&#39;t filter all remaining rows if the prefix is longer than rowkey being compared
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14436'>HBASE-14436</a>] -         HTableDescriptor#addCoprocessor will always make RegionCoprocessorHost create new Configuration
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14448'>HBASE-14448</a>] -         Refine RegionGroupingProvider Phase-2: remove provider nesting and formalize wal group name
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14455'>HBASE-14455</a>] -         Try to get rid of unused HConnection instance 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14461'>HBASE-14461</a>] -         Cleanup IncreasingToUpperBoundRegionSplitPolicy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14467'>HBASE-14467</a>] -         Compaction improvements: DefaultCompactor should not compact TTL-expired files
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14468'>HBASE-14468</a>] -         Compaction improvements: FIFO compaction policy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14478'>HBASE-14478</a>] -         A ThreadPoolExecutor with a LinkedBlockingQueue cannot execute tasks concurrently
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14490'>HBASE-14490</a>] -         [RpcServer] reuse request read buffer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14517'>HBASE-14517</a>] -         Show regionserver&#39;s version in master status page
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14520'>HBASE-14520</a>] -         Optimize the number of calls for tags creation in bulk load
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14524'>HBASE-14524</a>] -         Short-circuit comparison of rows in CellComparator
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14547'>HBASE-14547</a>] -         Add more debug/trace to zk-procedure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14548'>HBASE-14548</a>] -         Expand how table coprocessor jar and dependency path can be specified
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14565'>HBASE-14565</a>] -         Make ZK connection timeout configurable in MiniZooKeeperCluster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14573'>HBASE-14573</a>] -         Edit on the ByteBufferedCell javadoc
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14574'>HBASE-14574</a>] -         TableOutputFormat#getRecordWriter javadoc misleads
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14580'>HBASE-14580</a>] -         Make the HBaseMiniCluster compliant with Kerberos
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14582'>HBASE-14582</a>] -         Regionserver status webpage bucketcache list can become huge
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14586'>HBASE-14586</a>] -         Use a maven profile to run Jacoco analysis
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14587'>HBASE-14587</a>] -         Attach a test-sources.jar for hbase-server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14588'>HBASE-14588</a>] -         Stop accessing test resources from within src folder
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14643'>HBASE-14643</a>] -         Avoid Splits from once again opening a closed reader for fetching the first and last key
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14665'>HBASE-14665</a>] -         Remove deprecated HBaseTestingUtility#createTable methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14666'>HBASE-14666</a>] -         Remove deprecated HBaseTestingUtility#deleteTable methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14668'>HBASE-14668</a>] -         Remove deprecated HBaseTestCase dependency from TestHFile
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14669'>HBASE-14669</a>] -         remove unused import and fix javadoc
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14670'>HBASE-14670</a>] -         Remove deprecated HBaseTestCase from TestBlocksRead 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14671'>HBASE-14671</a>] -         Remove deprecated HBaseTestCase/Put/Delete apis from TestGetClosestAtOrBefore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14672'>HBASE-14672</a>] -         Exorcise deprecated Delete#delete* apis
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14675'>HBASE-14675</a>] -         Exorcise deprecated Put#add(...) and replace with Put#addColumn(...)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14683'>HBASE-14683</a>] -         Batching in buffered mutator is awful when adding lists of mutations.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14684'>HBASE-14684</a>] -         Try to remove all MiniMapReduceCluster in unit tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14687'>HBASE-14687</a>] -         Un-synchronize BufferedMutator
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14693'>HBASE-14693</a>] -         Add client-side metrics for received pushback signals
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14696'>HBASE-14696</a>] -         Support setting allowPartialResults in mapreduce Mappers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14700'>HBASE-14700</a>] -         Support a &quot;permissive&quot; mode for secure clusters to allow &quot;simple&quot; auth clients
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14703'>HBASE-14703</a>] -         HTable.mutateRow does not collect stats
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14708'>HBASE-14708</a>] -         Use copy on write Map for region location cache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14714'>HBASE-14714</a>] -         some cleanup to snapshot code
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14715'>HBASE-14715</a>] -         Add javadocs to DelegatingRetryingCallable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14719'>HBASE-14719</a>] -         Add metric for number of MasterProcWALs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14721'>HBASE-14721</a>] -         Memstore add cells - Avoid many garbage
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14731'>HBASE-14731</a>] -         Add -DuseMob option to ITBLL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14743'>HBASE-14743</a>] -         Add metrics around HeapMemoryManager
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14749'>HBASE-14749</a>] -         Make changes to region_mover.rb to use RegionMover Java tool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14752'>HBASE-14752</a>] -         Add example of using the HBase client in a multi-threaded environment
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14765'>HBASE-14765</a>] -         Remove snappy profile
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14766'>HBASE-14766</a>] -         In WALEntryFilter, cell.getFamily() needs to be replaced with the new low-cost implementation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14780'>HBASE-14780</a>] -         Integration Tests that run with ChaosMonkey need to specify CFs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14790'>HBASE-14790</a>] -         Implement a new DFSOutputStream for logging WAL only
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14795'>HBASE-14795</a>] -         Enhance the spark-hbase scan operations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14796'>HBASE-14796</a>] -         Enhance the Gets in the connector
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14800'>HBASE-14800</a>] -         Expose checkAndMutate via Thrift2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14805'>HBASE-14805</a>] -         status should show the master in shell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14821'>HBASE-14821</a>] -         CopyTable should allow overriding more config properties for peer cluster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14826'>HBASE-14826</a>] -         Small improvement in KVHeap seek() API
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14829'>HBASE-14829</a>] -         Add more checkstyles
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14859'>HBASE-14859</a>] -         Better checkstyle reporting
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14860'>HBASE-14860</a>] -         Improve BoundedByteBufferPool; make lockless
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14862'>HBASE-14862</a>] -         Add support for reporting p90 for histogram metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14865'>HBASE-14865</a>] -         Support passing multiple QOPs to SaslClient/Server via hbase.rpc.protection
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14866'>HBASE-14866</a>] -         VerifyReplication should use peer configuration in peer connection
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14871'>HBASE-14871</a>] -         Allow specifying the base branch for make_patch
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14881'>HBASE-14881</a>] -         Provide a Put API that uses the provided row without coping
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14882'>HBASE-14882</a>] -         Provide a Put API that adds the provided family, qualifier, value without copying
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14891'>HBASE-14891</a>] -         Add log for uncaught exception in RegionServerMetricsWrapperRunnable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14906'>HBASE-14906</a>] -         Improvements on FlushLargeStoresPolicy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14925'>HBASE-14925</a>] -         Develop HBase shell command/tool to list table&#39;s region info through command line
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14946'>HBASE-14946</a>] -         Don&#39;t allow multi&#39;s to over run the max result size.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14951'>HBASE-14951</a>] -         Make hbase.regionserver.maxlogs obsolete
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14963'>HBASE-14963</a>] -         Remove use of Guava Stopwatch from HBase client code
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14969'>HBASE-14969</a>] -         Add throughput controller for flush
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14976'>HBASE-14976</a>] -         Add RPC call queues to the web ui
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14978'>HBASE-14978</a>] -         Don&#39;t allow Multi to retain too many blocks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14983'>HBASE-14983</a>] -         Create metrics for per block type hit/miss ratios
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14984'>HBASE-14984</a>] -         Allow memcached block cache to set optimze to false
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14985'>HBASE-14985</a>] -         TimeRange constructors should set allTime when appropriate
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14996'>HBASE-14996</a>] -         Some more API cleanup for 2.0 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15005'>HBASE-15005</a>] -         Use value array in computing block length for 1.2 and 1.3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15038'>HBASE-15038</a>] -         ExportSnapshot should support separate configurations for source and destination clusters
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15044'>HBASE-15044</a>] -         Region normalization should be allowed when underlying namespace has quota
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15060'>HBASE-15060</a>] -         Cull TestHFileWriterV2 and HFileWriterFactory
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15062'>HBASE-15062</a>] -         IntegrationTestMTTR conditionally run some tests 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15066'>HBASE-15066</a>] -         Small improvements to Canary tool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15068'>HBASE-15068</a>] -         Add metrics for region normalization plans
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15076'>HBASE-15076</a>] -         Add getScanner(Scan scan, List&lt;KeyValueScanner&gt; additionalScanners) API into Region interface
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15111'>HBASE-15111</a>] -         &quot;hbase version&quot; should write to stdout
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15119'>HBASE-15119</a>] -         Include git SHA in check_compatibility reports
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15123'>HBASE-15123</a>] -         Remove duplicate code in LocalHBaseCluster and minor formatting
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15129'>HBASE-15129</a>] -         Set default value for hbase.fs.tmp.dir rather than fully depend on hbase-default.xml
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15177'>HBASE-15177</a>] -         Reduce garbage created under high load
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15191'>HBASE-15191</a>] -         CopyTable and VerifyReplication - Option to specify batch size, versions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15197'>HBASE-15197</a>] -         Expose filtered read requests metric to metrics framework and Web UI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15201'>HBASE-15201</a>] -         Add hbase-spark to hbase assembly
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15211'>HBASE-15211</a>] -         Don&#39;t run the CatalogJanitor if there are regions in transition
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15212'>HBASE-15212</a>] -         RPCServer should enforce max request size 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15219'>HBASE-15219</a>] -         Canary tool does not return non-zero exit code when one of regions is in stuck state 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15222'>HBASE-15222</a>] -         Use less contended classes for metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15223'>HBASE-15223</a>] -         Make convertScanToString public for Spark
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15229'>HBASE-15229</a>] -         Canary Tools should not call System.Exit on error
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15243'>HBASE-15243</a>] -         Utilize the lowest seek value when all Filters in MUST_PASS_ONE FilterList return SEEK_NEXT_USING_HINT
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15296'>HBASE-15296</a>] -         Break out writer and reader from StoreFile
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15300'>HBASE-15300</a>] -         Upgrade to zookeeper 3.4.8
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15301'>HBASE-15301</a>] -         Remove the never-thrown NamingException from TableInputFormatBase#reverseDNS method signature
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15306'>HBASE-15306</a>] -         Make RPC call queue length dynamically configurable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15312'>HBASE-15312</a>] -         Update the dependences of pom for mini cluster in HBase Book
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15315'>HBASE-15315</a>] -         Remove always set super user call as high priority
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15338'>HBASE-15338</a>] -         Add a option to disable the data block cache for testing the performance of underlying file system
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15339'>HBASE-15339</a>] -         Improve DateTieredCompactionPolicy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15349'>HBASE-15349</a>] -         Update surefire version to 2.19.1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15353'>HBASE-15353</a>] -         Add metric for number of CallQueueTooBigExceptions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15356'>HBASE-15356</a>] -         Remove unused Imports
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15391'>HBASE-15391</a>] -         Avoid too large &quot;deleted from META&quot; info log
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15396'>HBASE-15396</a>] -         Enhance mapreduce.TableSplit to add encoded region name
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15410'>HBASE-15410</a>] -         Utilize the max seek value when all Filters in MUST_PASS_ALL FilterList return SEEK_NEXT_USING_HINT
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15413'>HBASE-15413</a>] -         Procedure-V2: print out ProcedureInfo during trace
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15415'>HBASE-15415</a>] -         Improve Master WebUI snapshot information
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15429'>HBASE-15429</a>] -         Add a split policy for busy regions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15447'>HBASE-15447</a>] -         Improve javadocs description for Delete methods
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15451'>HBASE-15451</a>] -         Remove unnecessary wait in MVCC
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15456'>HBASE-15456</a>] -         CreateTableProcedure/ModifyTableProcedure needs to fail when there is no family in table descriptor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15466'>HBASE-15466</a>] -         precommit should not run all java goals when given a docs-only patch
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15470'>HBASE-15470</a>] -         Add a setting for Priority queue length
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15471'>HBASE-15471</a>] -         Add num calls in priority and general queue to RS UI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15475'>HBASE-15475</a>] -         Allow TimestampsFilter to provide a seek hint
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15478'>HBASE-15478</a>] -         add comments to FSHLog explaining why syncRunnerIndex won&#39;t overflow
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15482'>HBASE-15482</a>] -         Provide an option to skip calculating block locations for SnapshotInputFormat
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15486'>HBASE-15486</a>] -         Avoid multiple disable/enable balancer calls while running rolling-restart.sh --graceful 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15496'>HBASE-15496</a>] -         Throw RowTooBigException only for user scan/get
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15507'>HBASE-15507</a>] -         Online modification of enabled ReplicationPeerConfig
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15508'>HBASE-15508</a>] -         Add command for exporting snapshot in hbase command script
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15511'>HBASE-15511</a>] -         ClusterStatus should be able to return responses by scope
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15526'>HBASE-15526</a>] -         Make SnapshotManager accessible through MasterServices
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15529'>HBASE-15529</a>] -         Override needBalance in StochasticLoadBalancer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15551'>HBASE-15551</a>] -         Make call queue too big exception use servername
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15569'>HBASE-15569</a>] -         Make Bytes.toStringBinary faster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15571'>HBASE-15571</a>] -         Make MasterProcedureManagerHost accessible through MasterServices
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15586'>HBASE-15586</a>] -         Unify human readable numbers in the web UI 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15593'>HBASE-15593</a>] -         Time limit of scanning should be offered by client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15600'>HBASE-15600</a>] -         Add provision for adding mutations to memstore or able to write to same region in batchMutate coprocessor hooks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15605'>HBASE-15605</a>] -         Remove PB references from HCD and HTD for 2.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15606'>HBASE-15606</a>] -         Limit creating zk connection in HBaseAdmin#getCompactionState() only to case when &#39;hbase:meta&#39; is checked.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15607'>HBASE-15607</a>] -         Remove PB references from Admin for 2.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15608'>HBASE-15608</a>] -         Remove PB references from SnapShot related Exceptions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15609'>HBASE-15609</a>] -         Remove PB references from Result, DoubleColumnInterpreter and any such public facing class for 2.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15610'>HBASE-15610</a>] -         Remove deprecated HConnection for 2.0 thus removing all PB references for 2.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15612'>HBASE-15612</a>] -         Minor improvements to CellCounter and RowCounter documentation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15614'>HBASE-15614</a>] -         Report metrics from JvmPauseMonitor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15632'>HBASE-15632</a>] -         Undo the checking of lastStoreFlushTimeMap.isEmpty() introduced in HBASE-13145
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15641'>HBASE-15641</a>] -         Shell &quot;alter&quot; should do a single modifyTable operation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15667'>HBASE-15667</a>] -         Add more clarity to Reference Guide related to importing Eclipse Formatter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15680'>HBASE-15680</a>] -         Examples in shell help message for TIMERANGE scanner specifications should use milliseconds instead of seconds
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15686'>HBASE-15686</a>] -         Add override mechanism for the exempt classes when dynamically loading table coprocessor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15688'>HBASE-15688</a>] -         Use MasterServices directly instead of casting to HMaster when possible
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15706'>HBASE-15706</a>] -         HFilePrettyPrinter should print out nicely formatted tags
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15720'>HBASE-15720</a>] -         Print row locks at the debug dump page
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15727'>HBASE-15727</a>] -         Canary Tool for Zookeeper
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15744'>HBASE-15744</a>] -         Port over small format/text improvements from HBASE-13784
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15745'>HBASE-15745</a>] -         Refactor RPC classes to better accept async changes.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15756'>HBASE-15756</a>] -         Pluggable RpcServer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15759'>HBASE-15759</a>] -         RegionObserver.preStoreScannerOpen() doesn&#39;t have acces to current readpoint
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15767'>HBASE-15767</a>] -         Upgrade httpclient dependency
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15768'>HBASE-15768</a>] -         fix capitalization of ZooKeeper usage
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15773'>HBASE-15773</a>] -         CellCounter improvements
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15791'>HBASE-15791</a>] -         Improve javadoc in ScheduledChore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15793'>HBASE-15793</a>] -         Port over AsyncCall improvements 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15794'>HBASE-15794</a>] -         Fix Findbugs instanceof always true issue in MultiServerCallable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15795'>HBASE-15795</a>] -         Cleanup all classes in package org.apache.hadoop.hbase.ipc for code style
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15802'>HBASE-15802</a>] -          ConnectionUtils should use ThreadLocalRandom instead of Random
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15808'>HBASE-15808</a>] -         Reduce potential bulk load intermediate space usage and waste
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15816'>HBASE-15816</a>] -         Provide client with ability to set priority on Operations 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15837'>HBASE-15837</a>] -         Memstore size accounting is wrong if postBatchMutate() throws exception
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15842'>HBASE-15842</a>] -         SnapshotInfo should display ownership information
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15843'>HBASE-15843</a>] -         Replace RegionState.getRegionInTransition() Map with a Set
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15849'>HBASE-15849</a>] -         Shell Cleanup: Simplify handling of commands&#39; runtime
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15854'>HBASE-15854</a>] -         Log the cause of SASL connection failures
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15864'>HBASE-15864</a>] -         Reuse the testing helper to wait regions in transition
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15870'>HBASE-15870</a>] -         Specify columns in REST multi gets
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15882'>HBASE-15882</a>] -         Upgrade to yetus precommit 0.3.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15890'>HBASE-15890</a>] -         Allow thrift to set/unset &quot;cacheBlocks&quot; for Scans
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15910'>HBASE-15910</a>] -         Update hbase ref guide to explain submit-patch.py
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15921'>HBASE-15921</a>] -         Add first AsyncTable impl and create TableImpl based on it
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15924'>HBASE-15924</a>] -         Enhance hbase services autorestart capability to hbase-daemon.sh 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15931'>HBASE-15931</a>] -         Add log for long-running tasks in AsyncProcess
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15941'>HBASE-15941</a>] -         HBCK repair should not unsplit healthy splitted region
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15949'>HBASE-15949</a>] -         Cleanup TestRegionServerMetrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15981'>HBASE-15981</a>] -         Stripe and Date-tiered compactions inaccurately suggest disabling table in docs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16004'>HBASE-16004</a>] -         Update to Netty 4.1.1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16008'>HBASE-16008</a>] -         A robust way deal with early termination of HBCK
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16010'>HBASE-16010</a>] -         Put draining function through Admin API
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16018'>HBASE-16018</a>] -         Better documentation of ReplicationPeers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16026'>HBASE-16026</a>] -         Master UI should display status of additional ZK switches
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16033'>HBASE-16033</a>] -         Add more details in logging of responseTooSlow/TooLarge
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16042'>HBASE-16042</a>] -         Add support in PE tool for InMemory Compaction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16048'>HBASE-16048</a>] -         Tag InternalScanner with LimitedPrivate(HBaseInterfaceAudience.COPROC) 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16052'>HBASE-16052</a>] -         Improve HBaseFsck Scalability
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16085'>HBASE-16085</a>] -         Add on metric for failed compactions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16086'>HBASE-16086</a>] -         TableCfWALEntryFilter and ScopeWALEntryFilter should not redundantly iterate over cells.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16087'>HBASE-16087</a>] -         Replication shouldn&#39;t start on a master if if only hosts system tables
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16089'>HBASE-16089</a>] -         Add on FastPath for CoDel
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16108'>HBASE-16108</a>] -         RowCounter should support multiple key ranges
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16114'>HBASE-16114</a>] -         Get regionLocation of required regions only for MR jobs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16116'>HBASE-16116</a>] -         Remove redundant pattern *.iml
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16124'>HBASE-16124</a>] -         Make check_compatibility.sh less verbose when building HBase
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16130'>HBASE-16130</a>] -         Add comments to ProcedureStoreTracker
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16139'>HBASE-16139</a>] -         Use CellUtil instead of KeyValueUtil in Import
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16140'>HBASE-16140</a>] -         bump owasp.esapi from 2.1.0 to 2.1.0.1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16147'>HBASE-16147</a>] -         Shell command for getting compaction state
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16149'>HBASE-16149</a>] -         Log the underlying RPC exception in RpcRetryingCallerImpl 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16188'>HBASE-16188</a>] -         Add EventCounter information to log4j properties file
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16196'>HBASE-16196</a>] -         Update jruby to a newer version.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16220'>HBASE-16220</a>] -         Demote log level for &quot;HRegionFileSystem - No StoreFiles for&quot; messages to TRACE
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16224'>HBASE-16224</a>] -         Reduce the number of RPCs for the large PUTs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16225'>HBASE-16225</a>] -         Refactor ScanQueryMatcher
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16231'>HBASE-16231</a>] -         Integration tests should support client keytab login for secure clusters
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16241'>HBASE-16241</a>] -         Allow specification of annotations to use when running check_compatibility.sh
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16256'>HBASE-16256</a>] -         Purpose of EnvironmentEdge, EnvironmentEdgeManager
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16266'>HBASE-16266</a>] -         Do not throw ScannerTimeoutException when catch UnknownScannerException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16275'>HBASE-16275</a>] -         Change ServerManager#onlineServers from ConcurrentHashMap to ConcurrentSkipListMap
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16287'>HBASE-16287</a>] -         LruBlockCache size should not exceed acceptableSize too many
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16299'>HBASE-16299</a>] -         Update REST API scanner with ability to do reverse scan
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16302'>HBASE-16302</a>] -         age of last shipped op and age of last applied op should be histograms
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16312'>HBASE-16312</a>] -         update jquery version
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16348'>HBASE-16348</a>] -         update jcoding and joni versions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16351'>HBASE-16351</a>] -         do dependency license check via enforcer plugin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16379'>HBASE-16379</a>] -         [replication] Minor improvement to replication/copy_tables_desc.rb
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16381'>HBASE-16381</a>] -         Shell deleteall command should support row key prefixes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16385'>HBASE-16385</a>] -         Have hbase-rest pull hbase.rest.port from Constants.java
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16399'>HBASE-16399</a>] -         Provide an API to get list of failed regions and servername in Canary
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16414'>HBASE-16414</a>] -         Improve performance for RPC encryption with Apache Common Crypto
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16419'>HBASE-16419</a>] -         check REPLICATION_SCOPE&#39;s value more stringently
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16422'>HBASE-16422</a>] -         Tighten our guarantees on compatibility across patch versions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16423'>HBASE-16423</a>] -         Add re-compare option to VerifyReplication to avoid occasional inconsistent rows
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16434'>HBASE-16434</a>] -         Improve flaky dashboard
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16448'>HBASE-16448</a>] -         Custom metrics for custom replication endpoints
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16450'>HBASE-16450</a>] -         Shell tool to dump replication queues 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16455'>HBASE-16455</a>] -         Provide API for obtaining all the WAL files
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16466'>HBASE-16466</a>] -         HBase snapshots support in VerifyReplication tool to reduce load on live HBase cluster with large tables
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16469'>HBASE-16469</a>] -         Several log refactoring/improvement suggestions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16486'>HBASE-16486</a>] -         Unify system table creation using the same createSystemTable API.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16502'>HBASE-16502</a>] -         Reduce garbage in BufferedDataBlockEncoder
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16506'>HBASE-16506</a>] -         Use subprocedure of Proc V2 for snapshot in BackupProcedure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16508'>HBASE-16508</a>] -         Move UnexpectedStateException to common
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16509'>HBASE-16509</a>] -         Add option to LoadIncrementalHFiles which allows skipping unmatched column families
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16541'>HBASE-16541</a>] -         Avoid unnecessary cell copy in Result#compareResults
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16561'>HBASE-16561</a>] -         Add metrics about read/write/scan queue length and active read/write/scan handler count
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16562'>HBASE-16562</a>] -         ITBLL should fail to start if misconfigured
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16574'>HBASE-16574</a>] -         Add backup / restore feature to refguide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16585'>HBASE-16585</a>] -         Rewrite the delegation token tests with Parameterized pattern
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16598'>HBASE-16598</a>] -         Enable zookeeper useMulti always and clean up in HBase code
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16616'>HBASE-16616</a>] -         Rpc handlers stuck on ThreadLocalMap.expungeStaleEntry
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16640'>HBASE-16640</a>] -         TimeoutBlockingQueue#remove() should return whether the entry is removed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16646'>HBASE-16646</a>] -         Enhance LoadIncrementalHFiles API to accept store file paths as input
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16657'>HBASE-16657</a>] -         Expose per-region last major compaction timestamp in RegionServer UI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16658'>HBASE-16658</a>] -         Optimize UTF8 string/byte conversions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16659'>HBASE-16659</a>] -         Use CellUtil.createFirstOnRow instead of KeyValueUtil.createFirstOnRow in some places. 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16661'>HBASE-16661</a>] -         Add last major compaction age to per-region metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16666'>HBASE-16666</a>] -         Add append and remove peer namespaces cmds for replication
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16667'>HBASE-16667</a>] -         Building with JDK 8: ignoring option MaxPermSize=256m
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16672'>HBASE-16672</a>] -         Add option for bulk load to always copy hfile(s) instead of renaming
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16680'>HBASE-16680</a>] -         Reduce garbage in BufferChain
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16690'>HBASE-16690</a>] -         Move znode path configs to a separated class
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16691'>HBASE-16691</a>] -         Optimize KeyOnlyFilter by utilizing KeyOnlyCell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16692'>HBASE-16692</a>] -         Make ByteBufferUtils#equals safer and correct
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16694'>HBASE-16694</a>] -         Reduce garbage for onDiskChecksum in HFileBlock
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16698'>HBASE-16698</a>] -         Performance issue: handlers stuck waiting for CountDownLatch inside WALKey#getWriteEntry under high writing workload
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16700'>HBASE-16700</a>] -         Allow for coprocessor whitelisting
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16705'>HBASE-16705</a>] -         Eliminate long to Long auto boxing in LongComparator
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16708'>HBASE-16708</a>] -         Expose endpoint Coprocessor name in &quot;responseTooSlow&quot; log messages
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16714'>HBASE-16714</a>] -         Procedure V2 - use base class to remove duplicate set up test code in table DDL procedures 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16720'>HBASE-16720</a>] -         Sort build ids in flaky dashboard
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16730'>HBASE-16730</a>] -         Exclude junit as a transitive dependency from hadoop-common
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16734'>HBASE-16734</a>] -         add hadoop 3.0.0-alpha1 to post commit checks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16772'>HBASE-16772</a>] -         Add verbose option to VerifyReplication for logging good rows
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16773'>HBASE-16773</a>] -         AccessController should access local region if possible
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16774'>HBASE-16774</a>] -         [shell] Add coverage to TestShell when ZooKeeper is not reachable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16783'>HBASE-16783</a>] -         Use ByteBufferPool for the header and message during Rpc response
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16784'>HBASE-16784</a>] -         Make use of ExtendedCell#write(OutputStream os) for the default HFileWriter#append()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16792'>HBASE-16792</a>] -         Reuse KeyValue.KeyOnlyKeyValue in BufferedDataBlockEncoder.SeekerState
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16809'>HBASE-16809</a>] -         Save one cell length calculation in HeapMemStoreLAB#copyCellInto
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16818'>HBASE-16818</a>] -         Avoid multiple copies of binary data during the conversion from Result to Row
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16821'>HBASE-16821</a>] -         Enhance LoadIncrementalHFiles API to convey missing hfiles if any
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16840'>HBASE-16840</a>] -         Reuse cell&#39;s timestamp and type in ScanQueryMatcher
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16844'>HBASE-16844</a>] -          Procedure V2: DispatchMergingRegionsProcedure to use base class StateMachineProcedure for abort and rollback
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16854'>HBASE-16854</a>] -         Refactor the org.apache.hadoop.hbase.client.Action
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16868'>HBASE-16868</a>] -         Add a replicate_all flag to avoid misuse the namespaces and table-cfs config of replication peer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16888'>HBASE-16888</a>] -         Avoid unnecessary tags copy in Append
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16893'>HBASE-16893</a>] -         Use Collection.removeIf instead of Iterator.remove in DependentColumnFilter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16894'>HBASE-16894</a>] -         Create more than 1 split per region, generalize HBASE-12590
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16946'>HBASE-16946</a>] -         Provide Raw scan as an option in VerifyReplication 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16947'>HBASE-16947</a>] -         Some improvements for DumpReplicationQueues tool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16950'>HBASE-16950</a>] -         Print raw stats in the end of procedure performance tools for parsing results from scripts
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16969'>HBASE-16969</a>] -         RegionCoprocessorServiceExec should override the toString() for debugging
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16972'>HBASE-16972</a>] -         Log more details for Scan#next request when responseTooSlow
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16977'>HBASE-16977</a>] -         VerifyReplication should log a printable representation of the row keys
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17004'>HBASE-17004</a>] -         Refactor IntegrationTestManyRegions to use @ClassRule for timing out
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17005'>HBASE-17005</a>] -         Improve log message in MobFileCache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17006'>HBASE-17006</a>] -         Add names to threads for better debugability of thread dumps
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17013'>HBASE-17013</a>] -         Add constructor to RowMutations for initializing the capacity of internal list
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17014'>HBASE-17014</a>] -         Add clearly marked starting and shutdown log messages for all services.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17026'>HBASE-17026</a>] -         VerifyReplication log should distinguish whether good row key is result of revalidation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17034'>HBASE-17034</a>] -         avoid unnecessary Get copy in HTable#exist
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17037'>HBASE-17037</a>] -         Enhance LoadIncrementalHFiles API to convey loaded files
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17047'>HBASE-17047</a>] -         Add an API to get HBase connection cache statistics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17057'>HBASE-17057</a>] -         Minor compactions should also drop page cache behind reads
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17063'>HBASE-17063</a>] -         Cleanup TestHRegion : remove duplicate variables for method name and two unused params in initRegion
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17064'>HBASE-17064</a>] -         Add TaskMonitor#getTasks() variant which accepts type selection
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17065'>HBASE-17065</a>] -         Perform more effective sorting for RPC Handler Tasks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17077'>HBASE-17077</a>] -         Don&#39;t copy the replication queue belonging to the peer which has been deleted
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17083'>HBASE-17083</a>] -         Enable hedged reads by default in hbase-2.0.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17086'>HBASE-17086</a>] -         Add comments to explain why Cell#getTagsLength() returns an int, rather than a short
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17088'>HBASE-17088</a>] -         Refactor RWQueueRpcExecutor/BalancedQueueRpcExecutor/RpcExecutor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17110'>HBASE-17110</a>] -         Improve SimpleLoadBalancer to always take server-level balance into account
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17123'>HBASE-17123</a>] -         Add postBulkLoadHFile variant that notifies the final paths for the hfiles
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17126'>HBASE-17126</a>] -         Expose KeyValue#checkParameters() and checkForTagsLength() to be used by other Cell implementations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17129'>HBASE-17129</a>] -         Remove public from methods in DataType interface
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17157'>HBASE-17157</a>] -         Increase the default mergeable threshold for mob compaction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17161'>HBASE-17161</a>] -         MOB : Make ref cell creation more efficient
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17165'>HBASE-17165</a>] -         Add retry to LoadIncrementalHFiles tool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17172'>HBASE-17172</a>] -         Optimize mob compaction with _del files
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17176'>HBASE-17176</a>] -         Reuse the builder in RequestConverter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17178'>HBASE-17178</a>] -         Add region balance throttling
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17184'>HBASE-17184</a>] -         Code cleanup of LruBlockCache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17191'>HBASE-17191</a>] -         Make use of UnsafeByteOperations#unsafeWrap(ByteBuffer buffer) in PBUtil#toCell(Cell cell)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17194'>HBASE-17194</a>] -         Assign the new region to the idle server after splitting
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17205'>HBASE-17205</a>] -         Add a metric for the duration of region in transition
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17207'>HBASE-17207</a>] -         Arrays.asList() with too few arguments
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17211'>HBASE-17211</a>] -         Add more details in log when UnknownScannerException thrown in ScannerCallable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17212'>HBASE-17212</a>] -         Should add null checker on table name in HTable constructor and RegionServerCallable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17215'>HBASE-17215</a>] -         Separate small/large file delete threads in HFileCleaner to accelerate archived hfile cleanup speed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17216'>HBASE-17216</a>] -         A Few Fields Can Be Safely Made Static
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17221'>HBASE-17221</a>] -         Abstract out an interface for RpcServer.Call
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17232'>HBASE-17232</a>] -         Replace HashSet with ArrayList to accumulate delayed scanners in KVHeap and StoreScanner.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17235'>HBASE-17235</a>] -         Improvement in creation of CIS for onheap buffer cases
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17239'>HBASE-17239</a>] -         Add UnsafeByteOperations#wrap(ByteInput, int offset, int len) API
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17241'>HBASE-17241</a>] -         Avoid compacting already compacted  mob files with _del files
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17243'>HBASE-17243</a>] -         Reuse CompactionPartitionId and avoid creating MobFileName in PartitionedMobCompactor to avoid unnecessary new objects
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17245'>HBASE-17245</a>] -         Replace HTableDescriptor#htd.getColumnFamilies().length with a low-cost implementation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17249'>HBASE-17249</a>] -         Get/Scan&#39;s setTimeRange/setColumnFamilyTimeRange can take the TimeRange reference as the parameter instead of creating a new setColumnFamilyTimeRange instance
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17276'>HBASE-17276</a>] -         Reduce log spam from WrongRegionException in large multi()&#39;s
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17280'>HBASE-17280</a>] -         Add mechanism to control hbase cleaner behavior
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17291'>HBASE-17291</a>] -         Remove ImmutableSegment#getKeyValueScanner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17292'>HBASE-17292</a>] -         Add observer notification before bulk loaded hfile is moved to region directory
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17296'>HBASE-17296</a>] -         Provide per peer throttling for replication
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17298'>HBASE-17298</a>] -         remove unused code in HRegion#doMiniBatchMutation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17314'>HBASE-17314</a>] -         Limit total buffered size for all replication sources
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17318'>HBASE-17318</a>] -         Increment does not add new column if the increment amount is zero at first time writing
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17331'>HBASE-17331</a>] -         Avoid busy waiting in ThrottledInputStream
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17332'>HBASE-17332</a>] -         Replace HashMap to Array for DataBlockEncoding.idToEncoding
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17343'>HBASE-17343</a>] -         Make Compacting Memstore default in 2.0 with BASIC as the default type
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17348'>HBASE-17348</a>] -         Remove the unused hbase.replication from javadoc/comment/book completely
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17404'>HBASE-17404</a>] -         Replace explicit type with diamond operator in hbase-annotations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17408'>HBASE-17408</a>] -         Introduce per request limit by number of mutations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17425'>HBASE-17425</a>] -         Fix calls to deprecated APIs in TestUpdateConfiguration
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17437'>HBASE-17437</a>] -         Support specifying a WAL directory outside of the root directory
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17448'>HBASE-17448</a>] -         Export metrics from RecoverableZooKeeper
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17449'>HBASE-17449</a>] -         Add explicit document on different timeout settings
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17462'>HBASE-17462</a>] -         Use sliding window for read/write request costs in StochasticLoadBalancer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17472'>HBASE-17472</a>] -         Correct the semantic of  permission grant
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17488'>HBASE-17488</a>] -         WALEdit should be lazily instantiated
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17505'>HBASE-17505</a>] -         Do not issue close scanner request if RS tells us there is no more results for this region
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17514'>HBASE-17514</a>] -         Warn when Thrift Server 1 is configured for proxy users but not the HTTP transport
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17515'>HBASE-17515</a>] -         Reduce memory footprint of RegionLoads kept by StochasticLoadBalancer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17532'>HBASE-17532</a>] -         Replace explicit type with diamond operator
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17543'>HBASE-17543</a>] -         Create additional ReplicationEndpoint WALEntryFilters by configuration
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17552'>HBASE-17552</a>] -         Update developer section in hbase book
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17555'>HBASE-17555</a>] -         Change calls to deprecated getHBaseAdmin to getAdmin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17563'>HBASE-17563</a>] -         Foreach and switch in RootDocProcessor and StabilityOptions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17569'>HBASE-17569</a>] -         HBase-Procedure module need to support mvn clean test -PskipProcedureTests to skip unit test
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17588'>HBASE-17588</a>] -         Remove unused imports brought in by HBASE-17437
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17591'>HBASE-17591</a>] -         Update documentation to say distributed log replay defaults to &#39;false&#39;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17592'>HBASE-17592</a>] -         Fix typo in IPCUtil and RpcConnection
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17605'>HBASE-17605</a>] -         Refactor procedure framework code
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17613'>HBASE-17613</a>] -         avoid copy of family when initializing the FSWALEntry
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17623'>HBASE-17623</a>] -         Reuse the bytes array when building the hfile block
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17627'>HBASE-17627</a>] -         Active workers metric for thrift
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17634'>HBASE-17634</a>] -         Clean up the usage of Result.isPartial
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17637'>HBASE-17637</a>] -         Update progress more frequently in IntegrationTestBigLinkedList.Generator.persist
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17654'>HBASE-17654</a>] -         RSGroup code refactoring
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17676'>HBASE-17676</a>] -         Get class name once for all in AbstractFSWAL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17689'>HBASE-17689</a>] -         Add support for table.existsAll in thrift2 THBaseservice
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17690'>HBASE-17690</a>] -         Clean up MOB code
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17716'>HBASE-17716</a>] -         Formalize Scan Metric names
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17731'>HBASE-17731</a>] -         Fractional latency reporting in MultiThreadedAction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17732'>HBASE-17732</a>] -         Coprocessor Design Improvements
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17734'>HBASE-17734</a>] -         Guard against possibly copying the qualifier in the ScanDeleteTracker
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17747'>HBASE-17747</a>] -         Support both weak and soft object pool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17777'>HBASE-17777</a>] -         TestMemstoreLAB#testLABThreading runs too long for a small test
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17778'>HBASE-17778</a>] -         Remove the testing code in the AsyncRequestFutureImpl
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17815'>HBASE-17815</a>] -         Remove the unused field in PrefixTreeSeeker
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17817'>HBASE-17817</a>] -         Make Regionservers log which tables it removed coprocessors from when aborting
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17823'>HBASE-17823</a>] -         Migrate to Apache Yetus Audience Annotations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17826'>HBASE-17826</a>] -         Backup: submit M/R job to a particular Yarn queue
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17831'>HBASE-17831</a>] -         Support small scan in thrift2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17835'>HBASE-17835</a>] -         Spelling mistakes in the Java source
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17836'>HBASE-17836</a>] -         CellUtil#estimatedSerializedSizeOf is slow when input is ByteBufferCell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17854'>HBASE-17854</a>] -         Use StealJobQueue in HFileCleaner after HBASE-17215
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17875'>HBASE-17875</a>] -         Document why objects over 10MB are not well-suited for hbase
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17877'>HBASE-17877</a>] -         Improve HBase&#39;s byte[] comparator
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17888'>HBASE-17888</a>] -         Add generic methods for updating metrics on start and end of a procedure execution
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17910'>HBASE-17910</a>] -         Use separated StoreFileReader for streaming read
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17912'>HBASE-17912</a>] -         Avoid major compactions on region server startup
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17924'>HBASE-17924</a>] -         Consider sorting the row order when processing multi() ops before taking rowlocks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17944'>HBASE-17944</a>] -         Removed unused JDK version parsing from ClassSize.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17956'>HBASE-17956</a>] -         Raw scan should ignore TTL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17959'>HBASE-17959</a>] -         Canary timeout should be configurable on a per-table basis
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17962'>HBASE-17962</a>] -         Improve documentation on Rest interface
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17973'>HBASE-17973</a>] -         Create shell command to identify regions with poor locality
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17979'>HBASE-17979</a>] -         HBase Shell &#39;list&#39; Command Help Doc Improvements
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17990'>HBASE-17990</a>] -         Refactor TestFSUtils to use Before
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17995'>HBASE-17995</a>] -         improve log messages during snapshot related tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18001'>HBASE-18001</a>] -         Extend the &quot;count&quot; shell command to support specified conditions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18004'>HBASE-18004</a>] -         getRegionLocations  needs to be called once in ScannerCallableWithReplicas#call()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18007'>HBASE-18007</a>] -         Clean up rest module code 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18011'>HBASE-18011</a>] -         Refactor RpcServer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18015'>HBASE-18015</a>] -         Storage class aware block placement for procedure v2 WALs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18017'>HBASE-18017</a>] -         Reduce frequency of setStoragePolicy failure warnings
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18019'>HBASE-18019</a>] -         Close redundant memstore scanners
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18020'>HBASE-18020</a>] -         Update API Compliance Checker to Incorporate Improvements Done in Hadoop
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18021'>HBASE-18021</a>] -         Add more info in timed out RetriesExhaustedException for read replica client get processing, 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18022'>HBASE-18022</a>] -         Refine the error message issued with TableNotFoundException when expected table is not the same as the one fetched from meta
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18023'>HBASE-18023</a>] -         Log multi-* requests for more than threshold number of rows
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18033'>HBASE-18033</a>] -         Update supplemental models for new deps in Hadoop trunk
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18041'>HBASE-18041</a>] -         Add pylintrc file to HBase
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18043'>HBASE-18043</a>] -         Institute a hard limit for individual cell size that cannot be overridden by clients
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18067'>HBASE-18067</a>] -         Support a default converter for data read shell commands
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18075'>HBASE-18075</a>] -         Support namespaces and tables with non-latin alphabetical characters
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18083'>HBASE-18083</a>] -         Make large/small file clean thread number configurable in HFileCleaner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18090'>HBASE-18090</a>] -         Improve TableSnapshotInputFormat to allow more multiple mappers per region
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18094'>HBASE-18094</a>] -         Display the return value of the command append
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18101'>HBASE-18101</a>] -         Fix type mismatch on container access in QuotaCache#chore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18164'>HBASE-18164</a>] -         Much faster locality cost function and candidate generator
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18169'>HBASE-18169</a>] -         Coprocessor fix and cleanup before 2.0.0 release
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18224'>HBASE-18224</a>] -         Upgrade jetty
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18248'>HBASE-18248</a>] -         Warn if monitored RPC task has been tied up beyond a configurable threshold
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18251'>HBASE-18251</a>] -         Remove unnecessary traversing to the first and last keys in the CellSet
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18252'>HBASE-18252</a>] -         Resolve BaseLoadBalancer bad practice warnings
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18261'>HBASE-18261</a>] -         [AMv2] Create new RecoverMetaProcedure and use it from ServerCrashProcedure and HMaster.finishActiveMasterInitialization()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18275'>HBASE-18275</a>] -         Formatting and grammar mistakes in schemadoc chapter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18281'>HBASE-18281</a>] -         Performance update in StoreFileWriter.java for string replacement
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18286'>HBASE-18286</a>] -         Create static empty byte array to save memory
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18294'>HBASE-18294</a>] -         Reduce global heap pressure: flush based on heap occupancy
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18303'>HBASE-18303</a>] -         Clean up some parameterized test declarations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18307'>HBASE-18307</a>] -         Share the same EventLoopGroup for NettyRpcServer, NettyRpcClient and AsyncFSWALProvider at RS side
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18309'>HBASE-18309</a>] -         Support multi threads in CleanerChore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18332'>HBASE-18332</a>] -         Upgrade asciidoctor-maven-plugin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18339'>HBASE-18339</a>] -         Update test-patch to use hadoop 3.0.0-alpha4
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18374'>HBASE-18374</a>] -         RegionServer Metrics improvements
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18387'>HBASE-18387</a>] -         [Thrift] Make principal configurable in DemoClient.java
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18389'>HBASE-18389</a>] -         Remove byte[] from formal parameter of sizeOf() of ClassSize, ClassSize.MemoryLayout and ClassSize.UnsafeLayout
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18402'>HBASE-18402</a>] -         Thrift2 should support  DeleteFamilyVersion type
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18412'>HBASE-18412</a>] -         [Shell] Support unset of list of configuration for a table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18426'>HBASE-18426</a>] -         nightly job should use independent stages to check supported jdks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18434'>HBASE-18434</a>] -         Address some alerts raised by lgtm.com
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18436'>HBASE-18436</a>] -         Add client-side hedged read metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18467'>HBASE-18467</a>] -         nightly job needs to run all stages and then comment on jira
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18469'>HBASE-18469</a>] -         Correct  RegionServer metric of  totalRequestCount
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18478'>HBASE-18478</a>] -         Allow users to remove RegionFinder from LoadBalancer calculations if no locality possible
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18485'>HBASE-18485</a>] -         Performance issue: ClientAsyncPrefetchScanner is slower than ClientSimpleScanner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18500'>HBASE-18500</a>] -         Performance issue: Don&#39;t use BufferedMutator for HTable&#39;s put method
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18504'>HBASE-18504</a>] -         Add documentation for WAL compression
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18519'>HBASE-18519</a>] -         Use builder pattern to create cell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18520'>HBASE-18520</a>] -         Add jmx value to determine true Master Start time
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18522'>HBASE-18522</a>] -         Add RowMutations support to Batch
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18532'>HBASE-18532</a>] -         Improve cache related stats rendered on RS UI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18533'>HBASE-18533</a>] -         Expose BucketCache values to be configured
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18548'>HBASE-18548</a>] -         Move sources of important Jenkins jobs into source control
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18555'>HBASE-18555</a>] -         Remove redundant familyMap.put() from addxxx() of sub-classes of Mutation and Query
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18559'>HBASE-18559</a>] -         Add histogram to MetricsConnection to track concurrent calls per server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18566'>HBASE-18566</a>] -         [RSGROUP]Log the client IP/port of the rsgroup admin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18573'>HBASE-18573</a>] -         Update Append and Delete to use Mutation#getCellList(family)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18581'>HBASE-18581</a>] -         Remove dead code and some tidy up in BaseLoadBalancer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18601'>HBASE-18601</a>] -         Update Htrace to 4.2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18602'>HBASE-18602</a>] -         rsgroup cleanup unassign code
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18609'>HBASE-18609</a>] -         Apply ClusterStatus#getClusterStatus(EnumSet&lt;Option&gt;) in code base
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18621'>HBASE-18621</a>] -         Refactor ClusterOptions before applying to code base
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18629'>HBASE-18629</a>] -         Enhance ChaosMonkeyRunner with interruptibility
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18631'>HBASE-18631</a>] -         Allow configuration of ChaosMonkey properties via hbase-site
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18649'>HBASE-18649</a>] -         Deprecate KV Usage in MR to move to Cells in 3.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18651'>HBASE-18651</a>] -         Let ChaosMonkeyRunner expose the chaos monkey runner it creates
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18652'>HBASE-18652</a>] -         Expose individual cache stats in a CombinedCache through JMX
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18662'>HBASE-18662</a>] -         The default values for many configuration items in the code are not consistent with hbase-default.xml
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18673'>HBASE-18673</a>] -         Some more unwanted reference to unshaded PB classes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18674'>HBASE-18674</a>] -         upgrade hbase to commons-lang3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18675'>HBASE-18675</a>] -         Making {max,min}SessionTimeout configurable for MiniZooKeeperCluster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18677'>HBASE-18677</a>] -         typo in namespace docs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18683'>HBASE-18683</a>] -         Upgrade hbase to commons-math 3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18699'>HBASE-18699</a>] -         Copy LoadIncrementalHFiles to another package and mark the old one as deprecated
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18701'>HBASE-18701</a>] -         Optimize reference guide to use cell acl conveniently
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18704'>HBASE-18704</a>] -         Upgrade hbase to commons-collections 4
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18737'>HBASE-18737</a>] -         Display configured max size of memstore and cache on RS UI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18740'>HBASE-18740</a>] -         Upgrade Zookeeper version to 3.4.10
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18746'>HBASE-18746</a>] -         Throw exception with job.getStatus().getFailureInfo() when ExportSnapshot fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18772'>HBASE-18772</a>] -         [JDK8]  Replace AtomicLong with LongAdder
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18778'>HBASE-18778</a>] -         Use Comparator for StealJobQueue
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18784'>HBASE-18784</a>] -         Use of filesystem that requires hflush / hsync / append / etc should query outputstream capabilities
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18795'>HBASE-18795</a>] -         Expose KeyValue.getBuffer() for tests alone
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18806'>HBASE-18806</a>] -         VerifyRep by snapshot need not to restore snapshot for each mapper
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18814'>HBASE-18814</a>] -         Make ScanMetrics enabled and add counter &lt;HBase Counters, ROWS_SCANNED&gt; into the MapReduce Job over snapshot
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18824'>HBASE-18824</a>] -         Add meaningful comment to HConstants.LATEST_TIMESTAMP to explain why it is MAX_VALUE
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18843'>HBASE-18843</a>] -         Add DistCp support to incremental backup with bulk loading
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18849'>HBASE-18849</a>] -         expand &quot;thirdparty&quot; reference to give examples of setting netty location in common testing modules
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18870'>HBASE-18870</a>] -         Hbase Backup should set the details to MR job name
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18883'>HBASE-18883</a>] -         Upgrade to Curator 4.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18884'>HBASE-18884</a>] -         Coprocessor Design Improvements follow up of HBASE-17732
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18899'>HBASE-18899</a>] -         Make Fileinfo more readable in HFilePrettyPrinter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18925'>HBASE-18925</a>] -         Need updated mockito for using java optional
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18929'>HBASE-18929</a>] -         Hbase backup command doesn’t show debug option to enable backup in debug mode
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18986'>HBASE-18986</a>] -         Remove unnecessary null check after CellUtil.cloneQualifier()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18994'>HBASE-18994</a>] -         Decide if META/System tables should use Compacting Memstore or Default Memstore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19027'>HBASE-19027</a>] -         Honor the CellComparator of ScanInfo in scanning over a store
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19051'>HBASE-19051</a>] -         Add new split algorithm for num string
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19091'>HBASE-19091</a>] -         Code annotation wrote &quot;BinaryComparator&quot; instead of &quot;LongComparator&quot;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19110'>HBASE-19110</a>] -         Add default for Server#isStopping &amp; #getFileSystem
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19139'>HBASE-19139</a>] -         Create Async Admin methods for Clear Block Cache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19140'>HBASE-19140</a>] -         hbase-cleanup.sh uses deprecated call to remove files in hdfs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19180'>HBASE-19180</a>] -         Remove unused imports from AlwaysPasses
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19186'>HBASE-19186</a>] -         Unify to use bytes to show size in master/rs ui
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19187'>HBASE-19187</a>] -         Remove option to create on heap bucket cache
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19227'>HBASE-19227</a>] -         Nightly jobs should archive JVM dumpstream files
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19228'>HBASE-19228</a>] -         nightly job should gather machine stats.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19251'>HBASE-19251</a>] -         Merge RawAsyncTable and AsyncTable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19252'>HBASE-19252</a>] -         Move the transform logic of FilterList into transformCell() method to avoid extra ref to question cell 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19262'>HBASE-19262</a>] -         Revisit checkstyle rules
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19274'>HBASE-19274</a>] -         Log IOException when unable to determine the size of committed file
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19290'>HBASE-19290</a>] -         Reduce zk request when doing split log
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19293'>HBASE-19293</a>] -         Support adding a new replication peer in disabled state
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19311'>HBASE-19311</a>] -         Promote TestAcidGuarantees to LargeTests and start mini cluster once to make it faster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19336'>HBASE-19336</a>] -         Improve rsgroup to allow assign all tables within a specified namespace by only writing namespace
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19341'>HBASE-19341</a>] -         Ensure CP can abort a Server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19358'>HBASE-19358</a>] -         Improve the stability of splitting log when do fail over
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19367'>HBASE-19367</a>] -         Refactoring in RegionStates, and RSProcedureDispatcher
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19372'>HBASE-19372</a>] -         Remove the Span object in SyncFuture as it is useless now
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19382'>HBASE-19382</a>] -         Update report-flakies.py script to handle yetus builds
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19432'>HBASE-19432</a>] -         Roll the specified writer in HFileOutputFormat2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19448'>HBASE-19448</a>] -         Replace StringBuffer with StringBuilder for hbase-server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19463'>HBASE-19463</a>] -         Make CPEnv#getConnection return a facade that throws Unsupported if CP calls #close
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19464'>HBASE-19464</a>] -         Replace StringBuffer with StringBuilder for hbase-common
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19472'>HBASE-19472</a>] -         Remove ArrayUtil Class
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19473'>HBASE-19473</a>] -         Miscellaneous changes to ClientScanner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19483'>HBASE-19483</a>] -         Add proper privilege check for rsgroup commands
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19486'>HBASE-19486</a>] -          Periodically ensure records are not buffered too long by BufferedMutator
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19489'>HBASE-19489</a>] -         Check against only the latest maintenance release in pre-commit hadoopcheck.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19491'>HBASE-19491</a>] -         Exclude flaky tests from nightly master run
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19492'>HBASE-19492</a>] -         Add EXCLUDE_NAMESPACE and EXCLUDE_TABLECFS support to replication peer config
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19521'>HBASE-19521</a>] -         HBase mob compaction need to check hfile version
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19531'>HBASE-19531</a>] -         Remove needless volatile declaration
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19545'>HBASE-19545</a>] -         Replace getBytes(StandardCharsets.UTF_8) with Bytes.toBytes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19570'>HBASE-19570</a>] -         Add hadoop3 tests to Nightly master/branch-2 runs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19571'>HBASE-19571</a>] -         Minor refactor of Nightly run scripts
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19576'>HBASE-19576</a>] -         Introduce builder for ReplicationPeerConfig and make it immutable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19590'>HBASE-19590</a>] -         Remove the duplicate code in deprecated ReplicationAdmin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19613'>HBASE-19613</a>] -         Miscellaneous changes to WALSplitter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19615'>HBASE-19615</a>] -         CompositeImmutableSegment ArrayList Instead of LinkedList
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19618'>HBASE-19618</a>] -         Remove replicationQueuesClient.class/replicationQueues.class config and remove table based ReplicationQueuesClient/ReplicationQueues implementation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19621'>HBASE-19621</a>] -         Revisit the methods in ReplicationPeerConfigBuilder
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19641'>HBASE-19641</a>] -         AsyncHBaseAdmin should use exponential backoff when polling the procedure result
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19647'>HBASE-19647</a>] -         Logging cleanups; emit regionname when RegionTooBusyException inside RetriesExhausted... make netty connect/disconnect TRACE-level
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19649'>HBASE-19649</a>] -         Use singleton feature for ImmutableSegment
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19651'>HBASE-19651</a>] -         Remove LimitInputStream
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19659'>HBASE-19659</a>] -         Enable -x in make_rc.sh so logs where it is in execution
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19675'>HBASE-19675</a>] -         Miscellaneous HStore Class Improvements
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19676'>HBASE-19676</a>] -         CleanerChore logging improvements
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19677'>HBASE-19677</a>] -         Miscellaneous HFileCleaner Improvements
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19679'>HBASE-19679</a>] -         Superusers Logging and Data Structures
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19680'>HBASE-19680</a>] -         BufferedMutatorImpl#mutate should wait the result from AP in order to throw the failed mutations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19683'>HBASE-19683</a>] -         Remove Superfluous Methods From String Class
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19684'>HBASE-19684</a>] -         BlockCacheKey toString Performance
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19702'>HBASE-19702</a>] -         Improve RSGroupInfo constructors
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19723'>HBASE-19723</a>] -         hbase-thrift declares slf4j-api twice
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19736'>HBASE-19736</a>] -         Remove BaseLogCleanerDelegate deprecated #isLogDeletable(FileStatus) and use #isFileDeletable(FileStatus) instead
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19739'>HBASE-19739</a>] -         Include thrift IDL files in HBase binary distribution
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19751'>HBASE-19751</a>] -         Use RegionInfo directly instead of an identifier and a namespace when getting WAL
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19758'>HBASE-19758</a>] -         Split TestHCM to several smaller tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19770'>HBASE-19770</a>] -         Add &#39;--return-values&#39; option to Shell to print return values of commands in interactive mode
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19789'>HBASE-19789</a>] -         Not exclude flaky tests from nightly builds
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19820'>HBASE-19820</a>] -         Restore public constructor of MiniHBaseCluster (API compat)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19823'>HBASE-19823</a>] -         Make RawCellBuilderFactory LimitedPrivate.UNITTEST
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19826'>HBASE-19826</a>] -         Provide a option to see rows behind a delete in a time range queries
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19861'>HBASE-19861</a>] -         Avoid using RPCs when querying table infos for master status pages
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19899'>HBASE-19899</a>] -         Dump ulimit -a, fd count, and free output at end of build into system dir
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19904'>HBASE-19904</a>] -         Break dependency of WAL constructor on Replication
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19912'>HBASE-19912</a>] -         The flag &quot;writeToWAL&quot; of Region#checkAndRowMutate is useless
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19915'>HBASE-19915</a>] -         From split/ merge procedures daughter/ merged regions get created in OFFLINE state
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19917'>HBASE-19917</a>] -         Improve RSGroupBasedLoadBalancer#filterServers() to be more efficient
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19988'>HBASE-19988</a>] -         HRegion#lockRowsAndBuildMiniBatch() is too chatty when interrupted while waiting for a row lock
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19994'>HBASE-19994</a>] -         Create a new class for RPC throttling exception, make it retryable. 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20055'>HBASE-20055</a>] -         Remove declaration of un-thrown exceptions and unused setRegionStateBackToOpen() from MergeTableRegionsProcedure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20065'>HBASE-20065</a>] -         Revisit the timestamp usage in MetaTableAccessor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20135'>HBASE-20135</a>] -         NullPointerException during reading bloom filter when upgraded from hbase-1 to hbase-2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20409'>HBASE-20409</a>] -         Set hbase.client.meta.operation.timeout in TestClientOperationTimeout
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20438'>HBASE-20438</a>] -         Add an HBase antipattern check for reintroducing commons-logging
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20459'>HBASE-20459</a>] -         Majority of scan CPU time in HBase-1 spent in size estimation
</li>
</ul>
    
<h2>        Test
</h2>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-4744'>HBASE-4744</a>] -         Remove @Ignore for testLogRollAfterSplitStart
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11039'>HBASE-11039</a>] -         [VisibilityController] Integration test for labeled data set mixing and filtered excise
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11461'>HBASE-11461</a>] -         Compilation errors are not posted back to JIRA during QA run
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11616'>HBASE-11616</a>] -         TestNamespaceUpgrade fails in trunk
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11673'>HBASE-11673</a>] -         TestIOFencing#testFencingAroundCompactionAfterWALSync fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11866'>HBASE-11866</a>] -         TestDistributedLogSplitting is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11867'>HBASE-11867</a>] -         TestSplitLogManager.testUnassignedTimeout is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12764'>HBASE-12764</a>] -         TestPerColumnFamilyFlush#testCompareStoreFileCount may fail due to new table not available
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12992'>HBASE-12992</a>] -         TestChoreService doesn&#39;t close services, that can break test on slow virtual hosts.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13106'>HBASE-13106</a>] -         Ensure endpoint-only table coprocessors can be dynamically loaded
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13179'>HBASE-13179</a>] -         TestMasterObserver deleteTable is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13182'>HBASE-13182</a>] -         Test NamespaceAuditor/AccessController create/delete table is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13280'>HBASE-13280</a>] -         TestSecureRPC failed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13372'>HBASE-13372</a>] -         Unit tests for SplitTransaction and RegionMergeTransaction listeners
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13413'>HBASE-13413</a>] -         Create an integration test for Replication
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13591'>HBASE-13591</a>] -         TestHBaseFsck is flakey
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13609'>HBASE-13609</a>] -         TestFastFail is still failing
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13940'>HBASE-13940</a>] -         IntegrationTestBulkLoad needs option to specify output folders used by test
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14197'>HBASE-14197</a>] -         TestRegionServerHostname#testInvalidRegionServerHostnameAbortsServer fails in Jenkins
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14200'>HBASE-14200</a>] -         Separate RegionReplica subtests of TestStochasticLoadBalancer into TestStochasticLoadBalancer2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14210'>HBASE-14210</a>] -         Create test for cell level ACLs involving user group
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14277'>HBASE-14277</a>] -         TestRegionServerHostname.testRegionServerHostname may fail at host with a case sensitive name
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14293'>HBASE-14293</a>] -         TestStochasticBalancerJmxMetrics intermittently fails due to port conflict
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14310'>HBASE-14310</a>] -         test-patch.sh should handle spurious non-zero exit code from maven
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14344'>HBASE-14344</a>] -         Add timeouts to TestHttpServerLifecycle
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14466'>HBASE-14466</a>] -         Remove duplicated code from MOB snapshot tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14584'>HBASE-14584</a>] -         TestNamespacesInstanceModel fails on jdk8
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14688'>HBASE-14688</a>] -         Cleanup MOB tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14728'>HBASE-14728</a>] -         TestRowCounter is broken in master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14758'>HBASE-14758</a>] -         Add UT case for unchecked error/exception thrown in AsyncProcess#sendMultiAction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15192'>HBASE-15192</a>] -         TestRegionMergeTransactionOnCluster#testCleanMergeReference is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15420'>HBASE-15420</a>] -         TestCacheConfig failed after HBASE-15338
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15679'>HBASE-15679</a>] -         Assertion on wrong variable in TestReplicationThrottler#testThrottling
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15760'>HBASE-15760</a>] -         TestBlockEvictionFromClient#testParallelGetsAndScanWithWrappedRegionScanner fails in master branch
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15923'>HBASE-15923</a>] -         Shell rows counter test fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15939'>HBASE-15939</a>] -         Two shell test failures on master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16049'>HBASE-16049</a>] -         TestRowProcessorEndpoint is failing on Apache Builds
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16051'>HBASE-16051</a>] -         TestScannerHeartbeatMessages fails on some machines
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16185'>HBASE-16185</a>] -         TestReplicationSmallTests fails in master branch
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16274'>HBASE-16274</a>] -         Add more peer tests to replication_admin_test
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16349'>HBASE-16349</a>] -         TestClusterId may hang during cluster shutdown
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16418'>HBASE-16418</a>] -         Reduce duration of sleep waiting for region reopen in IntegrationTestBulkLoad#installSlowingCoproc()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16634'>HBASE-16634</a>] -         Speedup TestExportSnapshot
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16639'>HBASE-16639</a>] -         TestProcedureInMemoryChore#testChoreAddAndRemove occasionally fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16671'>HBASE-16671</a>] -         Split TestExportSnapshot
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16725'>HBASE-16725</a>] -         Don&#39;t let flushThread hang in TestHRegion
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16776'>HBASE-16776</a>] -         Remove duplicated versions of countRow() in tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16777'>HBASE-16777</a>] -         Fix flaky TestMasterProcedureEvents 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16778'>HBASE-16778</a>] -         Move testIllegalTableDescriptor out from TestFromClientSide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16781'>HBASE-16781</a>] -         Fix flaky TestMasterProcedureWalLease
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16791'>HBASE-16791</a>] -         Fix TestDispatchMergingRegionsProcedure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16794'>HBASE-16794</a>] -         TestDispatchMergingRegionsProcedure#testMergeRegionsConcurrently is flaky
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16975'>HBASE-16975</a>] -         Disable two subtests of TestSerialReplication
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17080'>HBASE-17080</a>] -         rest.TestTableResource fails in master branch
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17120'>HBASE-17120</a>] -         TestAssignmentListener#testAssignmentListener fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17189'>HBASE-17189</a>] -         TestMasterObserver#wasModifyTableActionCalled uses wrong variables
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17246'>HBASE-17246</a>] -         TestSerialReplication#testRegionMerge fails in master branch
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17371'>HBASE-17371</a>] -         Enhance &#39;HBaseContextSuite @ distributedScan to test HBase client&#39; with filter
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17474'>HBASE-17474</a>] -         Reduce frequency of NoSuchMethodException when calling setStoragePolicy()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17628'>HBASE-17628</a>] -         Local mode of mini cluster shouldn&#39;t use hdfs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17657'>HBASE-17657</a>] -         TestZKAsyncRegistry is flaky 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17672'>HBASE-17672</a>] -         &quot;Grant should set access rights appropriately&quot; test fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17703'>HBASE-17703</a>] -         TestThriftServerCmdLine is flaky in master branch
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17806'>HBASE-17806</a>] -         TestRSGroups#testMoveServersAndTables is flaky in master branch
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17824'>HBASE-17824</a>] -         Add test for multiple RS per host support
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18147'>HBASE-18147</a>] -         nightly job to check health of active branches
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18632'>HBASE-18632</a>] -         TestMultiParallel#testFlushCommitsWithAbort fails in master branch
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18902'>HBASE-18902</a>] -         TestCoprocessorServiceBackwardCompatibility fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19026'>HBASE-19026</a>] -         TestLockProcedure#testRemoteNamespaceLockRecovery fails in master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19237'>HBASE-19237</a>] -         TestMaster.testMasterOpsWhileSplitting fails
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19248'>HBASE-19248</a>] -         TestZooKeeper#testMultipleZK fails due to missing method getKeepAliveZooKeeperWatcher
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19266'>HBASE-19266</a>] -         TestAcidGuarantees should cover adaptive in-memory compaction
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19273'>HBASE-19273</a>] -         IntegrationTestBulkLoad#installSlowingCoproc() uses read-only HTableDescriptor
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19288'>HBASE-19288</a>] -         Intermittent test failure in TestHStore.testRunDoubleMemStoreCompactors
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19289'>HBASE-19289</a>] -         CommonFSUtils$StreamLacksCapabilityException: hflush when running test against hadoop3 beta1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19299'>HBASE-19299</a>] -         Assert only one Connection is constructed when calculating splits in a MultiTableInputFormat
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19342'>HBASE-19342</a>] -         fix TestTableBasedReplicationSourceManagerImpl#testRemovePeerMetricsCleanup
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19514'>HBASE-19514</a>] -         Use random port for TestJMXListener
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19832'>HBASE-19832</a>] -         TestConfServlet#testWriteJson fails against hadoop3 due to spelling change
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19869'>HBASE-19869</a>] -         Wrong class name used in TestLockManager
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19949'>HBASE-19949</a>] -         TestRSGroupsWithACL fails with ExceptionInInitializerError
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20031'>HBASE-20031</a>] -         Unable to run integration test using mvn due to missing HBaseClassTestRule
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20052'>HBASE-20052</a>] -         TestRegionOpen#testNonExistentRegionReplica fails due to NPE
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20107'>HBASE-20107</a>] -         Add a test case for HBASE-14317
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20228'>HBASE-20228</a>] -         [Umbrella] Verify 1.2.7 shell works against 2.0.0 server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20272'>HBASE-20272</a>] -         TestAsyncTable#testCheckAndMutateWithTimeRange fails due to TableExistsException
</li>
</ul>
    
<h2>        Wish
</h2>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16145'>HBASE-16145</a>] -         MultiRowRangeFilter constructor shouldn&#39;t throw IOException
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16729'>HBASE-16729</a>] -         Define the behavior of (default) empty FilterList
</li>
</ul>
    
<h2>        Task
</h2>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-4368'>HBASE-4368</a>] -         Expose processlist in shell (per regionserver and perhaps by cluster)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-4593'>HBASE-4593</a>] -         Design and document the official procedure for posting patches, commits, commit messages, etc. to smooth process and make integration with tools easier
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-7126'>HBASE-7126</a>] -         Update website with info on how to report security bugs 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-8450'>HBASE-8450</a>] -         Update hbase-default.xml and general recommendations to better suit current hw, h2, experience, etc.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-9604'>HBASE-9604</a>] -         Add metric on short-circuit reads
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-10398'>HBASE-10398</a>] -         HBase book updates for Replication after HBASE-10322
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-10504'>HBASE-10504</a>] -         Define Replication Interface
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-10607'>HBASE-10607</a>] -         [JDK8] NoSuchMethodError involving ConcurrentHashMap.keySet if running on JRE 7
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11045'>HBASE-11045</a>] -         Replace deprecated method FileSystem#createNonRecursive
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11276'>HBASE-11276</a>] -         Add back support for running ChaosMonkey as standalone tool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11459'>HBASE-11459</a>] -         Add more doc on compression codecs, how to hook up native lib, lz4, etc.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11606'>HBASE-11606</a>] -         Enable ZK-less region assignment by default
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11619'>HBASE-11619</a>] -         Remove unused test class from TestHLogSplit
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11670'>HBASE-11670</a>] -         Build PDF of Ref Guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11677'>HBASE-11677</a>] -         Make Logger instance modifiers consistent
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11720'>HBASE-11720</a>] -         Set up jenkins job to build site documentation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11729'>HBASE-11729</a>] -         Document HFile v3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11741'>HBASE-11741</a>] -         Document the how users can use the Cell Visibility and authorizations with special characters
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11791'>HBASE-11791</a>] -         Update docs on visibility tags and ACLs, transparent encryption, secure bulk upload
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11961'>HBASE-11961</a>] -         Document region state transitions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11985'>HBASE-11985</a>] -         Document sizing rules of thumb
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12168'>HBASE-12168</a>] -         Document Rest gateway SPNEGO-based authentication for client
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12180'>HBASE-12180</a>] -         Fix and reenable TestRegionReplicaReplicationEndpoint 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12239'>HBASE-12239</a>] -         Document hedged reads
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12362'>HBASE-12362</a>] -         Interim documentation of important master and regionserver metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12438'>HBASE-12438</a>] -         Add  -Dsurefire.rerunFailingTestsCount=2 to patch build runs so flakies get rerun
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12466'>HBASE-12466</a>] -         Document visibility scan label generator usage and behavior
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12515'>HBASE-12515</a>] -         update test-patch to use git
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12586'>HBASE-12586</a>] -         Task 6 &amp; 7 from HBASE-9117,  delete all public HTable constructors and delete ConnectionManager#{delete,get}Connection
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12589'>HBASE-12589</a>] -         Forward-port fix for TestFromClientSideWithCoprocessor.testMaxKeyValueSize
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12623'>HBASE-12623</a>] -         Remove pre-0.96 to 0.96 upgrade code
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12701'>HBASE-12701</a>] -         Document how to set the split policy on a given table
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12783'>HBASE-12783</a>] -         Create efficient RegionLocator implementation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12785'>HBASE-12785</a>] -         Use FutureTask to timeout the attempt to get the lock for hbck
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12794'>HBASE-12794</a>] -         Guidelines for filing JIRA issues
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12995'>HBASE-12995</a>] -         Document that HConnection#getTable methods do not check table existence since 0.98.1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13074'>HBASE-13074</a>] -         Cleaned up usage of hbase.master.lease.thread.wakefrequency
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13079'>HBASE-13079</a>] -         Add an admonition to Scans example that the results scanner should be closed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13089'>HBASE-13089</a>] -         Fix test compilation error on building against htrace-3.2.0-incubating
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13177'>HBASE-13177</a>] -         Document HBASE-13012
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13187'>HBASE-13187</a>] -         Add ITBLL that exercises per CF flush
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13233'>HBASE-13233</a>] -         add hbase-11339 branch to the patch testing script
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13234'>HBASE-13234</a>] -         Improve the obviousness of the download link on hbase.apache.org
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13237'>HBASE-13237</a>] -         Improve trademark marks on the hbase.apache.org homepage
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13257'>HBASE-13257</a>] -         Show coverage report on jenkins
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13310'>HBASE-13310</a>] -         Fix high priority findbugs warnings
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13361'>HBASE-13361</a>] -         Remove or undeprecate {get|set}ScannerCaching in HTable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13373'>HBASE-13373</a>] -         Squash HFileReaderV3 together with HFileReaderV2 and AbstractHFileReader; ditto for Scanners and BlockReader, etc.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13446'>HBASE-13446</a>] -         Add docs warning about missing data for downstream on versions prior to HBASE-13262
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13487'>HBASE-13487</a>] -         Doc KEEP_DELETED_CELLS
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13554'>HBASE-13554</a>] -         Update book clarifying API stability guarantees
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13582'>HBASE-13582</a>] -         Update docs for HTrace
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13586'>HBASE-13586</a>] -         Update book on Hadoop and Java supported versions for 1.1.x
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13660'>HBASE-13660</a>] -         Add link to cloud bigtable schema modeling guide into our refguide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13666'>HBASE-13666</a>] -         book.pdf is not renamed during site build
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13713'>HBASE-13713</a>] -         See about dropping ClassLoaderBase#getClassLoadingLock
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13716'>HBASE-13716</a>] -         Stop using Hadoop&#39;s FSConstants
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13726'>HBASE-13726</a>] -         stop using Hadoop&#39;s IOUtils
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13799'>HBASE-13799</a>] -         javadoc how Scan gets polluted when used; if you set attributes or ask for scan metrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13867'>HBASE-13867</a>] -         Add endpoint coprocessor guide to HBase book
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13868'>HBASE-13868</a>] -         Correct &quot;Disable automatic splitting&quot; section in HBase book
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13869'>HBASE-13869</a>] -         Fix typo in HBase book
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13915'>HBASE-13915</a>] -         Remove EOL HBase versions from java and hadoop prereq tables
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13929'>HBASE-13929</a>] -         make_rc.sh publishes empty shaded artifacts
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13948'>HBASE-13948</a>] -         Expand hadoop2 versions built on the pre-commit
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13949'>HBASE-13949</a>] -         Expand hadoop2 versions built on the pre-commit
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13956'>HBASE-13956</a>] -         Add myself as 1.1 release manager
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13964'>HBASE-13964</a>] -         Skip region normalization for tables under namespace quota
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14026'>HBASE-14026</a>] -         Clarify &quot;Web API&quot; in version and compatibility docs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14031'>HBASE-14031</a>] -         HBase Backup/Restore Phase 1: Abstract DistCp in incremental backup
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14033'>HBASE-14033</a>] -         HBase Backup/Restore Phase1: Abstract WALPlayer (incremental restore)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14036'>HBASE-14036</a>] -         HBase Backup/Restore Phase 1: Custom WAL archive cleaner
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14052'>HBASE-14052</a>] -         Mark a few methods in CellUtil audience private since only make sense internally to hbase
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14053'>HBASE-14053</a>] -         Disable DLR in branch-1+
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14057'>HBASE-14057</a>] -         HBase shell user_permission should list super users defined on hbase-site.xml
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14071'>HBASE-14071</a>] -         Document troubleshooting unexpected filesystem usage by snapshots and WALs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14081'>HBASE-14081</a>] -         (outdated) references to SVN/trunk in documentation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14085'>HBASE-14085</a>] -         Correct LICENSE and NOTICE files in artifacts
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14091'>HBASE-14091</a>] -         Update site documentation with code of conduct and project policy for transgressions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14175'>HBASE-14175</a>] -         Adopt releasedocmaker for better generated release notes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14227'>HBASE-14227</a>] -         Fold special cased MOB APIs into existing APIs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14253'>HBASE-14253</a>] -         update docs + build for maven 3.0.4+
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14271'>HBASE-14271</a>] -         Improve Nexus staging instructions
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14288'>HBASE-14288</a>] -         Upgrade asciidoctor plugin to v1.5.2.1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14290'>HBASE-14290</a>] -         Spin up less threads in tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14308'>HBASE-14308</a>] -         HTableDescriptor WARN is not actionable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14318'>HBASE-14318</a>] -         make_rc.sh should purge/re-resolve dependencies from local repository
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14348'>HBASE-14348</a>] -         Update download mirror link
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14350'>HBASE-14350</a>] -         Procedure V2 Phase 2: Assignment Manager
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14361'>HBASE-14361</a>] -         ReplicationSink should create Connection instances lazily
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14424'>HBASE-14424</a>] -         Document that DisabledRegionSplitPolicy blocks manual splits
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14481'>HBASE-14481</a>] -         Decommission HBase wiki
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14482'>HBASE-14482</a>] -         Add hadoop 2.6.1 to the test-patch build list
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14493'>HBASE-14493</a>] -         Upgrade the jamon-runtime dependency
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14502'>HBASE-14502</a>] -         Purge use of jmock and remove as dependency
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14516'>HBASE-14516</a>] -         categorize hadoop-compat tests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14526'>HBASE-14526</a>] -         Remove delayed rpc
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14534'>HBASE-14534</a>] -         Bump yammer/coda/dropwizard metrics dependency version
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14635'>HBASE-14635</a>] -         Fix flaky test TestSnapshotCloneIndependence
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14652'>HBASE-14652</a>] -         Improve / update publish-website script in dev-support
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14678'>HBASE-14678</a>] -         Experiment: Temporarily disable balancer and a few others to see if root of crashed/timedout JVMs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14713'>HBASE-14713</a>] -         Remove simple deprecated-since-1.0 code in hbase-server from hbase 2.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14732'>HBASE-14732</a>] -         Update HBase website skin and CSS
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14762'>HBASE-14762</a>] -         Update docs about publishing website to show gitsubpub method instead of svnsubpub
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14764'>HBASE-14764</a>] -         Stop using post-site target
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14851'>HBASE-14851</a>] -         Add test showing how to use TTL from thrift
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14994'>HBASE-14994</a>] -         Clean up some broken links and references to old APIs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15003'>HBASE-15003</a>] -         Remove BoundedConcurrentLinkedQueue and associated test
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15007'>HBASE-15007</a>] -         update Hadoop support matrix to list 2.6.1+ as supported
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15017'>HBASE-15017</a>] -         Close out GitHub pull requests that aren&#39;t likely to update into a usable patch
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15042'>HBASE-15042</a>] -         refactor so that site materials are in the Standard Maven Place
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15099'>HBASE-15099</a>] -         Move RegionStateListener class out of quotas package
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15141'>HBASE-15141</a>] -         Procedure V2 - Web UI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15151'>HBASE-15151</a>] -         Rely on nightly tests for findbugs compliance on existing branch
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15199'>HBASE-15199</a>] -         Move jruby jar so only on hbase-shell module classpath; currently globally available
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15220'>HBASE-15220</a>] -         Change two logs in SimpleRegionNormalizer to INFO level
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15494'>HBASE-15494</a>] -         Close obviated PRs on github
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15502'>HBASE-15502</a>] -         Skeleton unit test to copy/paste
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15644'>HBASE-15644</a>] -         Add maven-scala-plugin for scaladoc
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15646'>HBASE-15646</a>] -         Add some docs about exporting and importing snapshots using S3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15656'>HBASE-15656</a>] -         Fix unused protobuf warning in Admin.proto
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15729'>HBASE-15729</a>] -         Remove old JDiff wrapper scripts in dev-support
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15888'>HBASE-15888</a>] -         Extend HBASE-12769 for bulk load data replication
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15895'>HBASE-15895</a>] -         remove unmaintained jenkins build analysis tool.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15989'>HBASE-15989</a>] -         Remove hbase.online.schema.update.enable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16073'>HBASE-16073</a>] -         update compatibility_checker for jacc dropping comma sep args
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16100'>HBASE-16100</a>] -         Procedure V2 - Tools
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16215'>HBASE-16215</a>] -         clean up references for EOM release lines
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16260'>HBASE-16260</a>] -         Audit dependencies for Category-X
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16332'>HBASE-16332</a>] -         update LMAX disruptor to latest
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16333'>HBASE-16333</a>] -         update commons-* to latest
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16335'>HBASE-16335</a>] -         update to latest apache parent pom
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16338'>HBASE-16338</a>] -         update jackson to 2.y
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16340'>HBASE-16340</a>] -         ensure no Xerces jars included
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16354'>HBASE-16354</a>] -         Clean up defunct GitHub PRs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16376'>HBASE-16376</a>] -         Document implicit side-effects on partial results when calling Scan#setBatch(int)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16413'>HBASE-16413</a>] -         Add apache-hbase.slack.com #users channel to ref guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16426'>HBASE-16426</a>] -         Remove company affiliations from committer list
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16459'>HBASE-16459</a>] -         Remove unused hbase shell --format option
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16467'>HBASE-16467</a>] -         Move AbstractHBaseTool to hbase-common
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16518'>HBASE-16518</a>] -         Remove old .arcconfig file
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16591'>HBASE-16591</a>] -         Add a docker file only contains java 8 for running pre commit on master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16710'>HBASE-16710</a>] -         Add ZStandard Codec to Compression.java
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16728'>HBASE-16728</a>] -         Add hadoop.profile=3.0 pass to precommit checks.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16811'>HBASE-16811</a>] -         Remove mob sweep job
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16812'>HBASE-16812</a>] -         Clean up the locks in MOB
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16869'>HBASE-16869</a>] -         Typo in &quot;Disabling Blockcache&quot; doc
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16952'>HBASE-16952</a>] -         Replace hadoop-maven-plugins with protobuf-maven-plugin for building protos
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16955'>HBASE-16955</a>] -         Fixup precommit protoc check to do new distributed protos and pb 3.1.0 build
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17046'>HBASE-17046</a>] -         Add 1.1 doc to hbase.apache.org
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17121'>HBASE-17121</a>] -         Undo the building of xref as part of site build
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17272'>HBASE-17272</a>] -         Doc how to run Standalone HBase over an HDFS instance; all daemons in one JVM but persisting to an HDFS instance
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17397'>HBASE-17397</a>] -         AggregationClient cleanup
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17401'>HBASE-17401</a>] -         Remove unnecessary semicolons in hbase-annotations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17502'>HBASE-17502</a>] -         Document hadoop pre-2.6.1 and Java 1.8 Kerberos problem in our hadoop support matrix
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17553'>HBASE-17553</a>] -         Make a 2.0.0 Release
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17609'>HBASE-17609</a>] -         Allow for region merging in the UI 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17614'>HBASE-17614</a>] -         Move Backup/Restore into separate module 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17618'>HBASE-17618</a>] -         Refactor the implementation of modify table and delete column in MOB
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17782'>HBASE-17782</a>] -         Extend IdReadWriteLock to support using both weak and soft reference
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17802'>HBASE-17802</a>] -         Add note that minor versions can add methods to Interfaces
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17828'>HBASE-17828</a>] -         Revisit the IS annotation and the documentation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17834'>HBASE-17834</a>] -         close stale github PRs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17847'>HBASE-17847</a>] -         update documentation to include positions on recent Hadoop releases
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17898'>HBASE-17898</a>] -         Update dependencies
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17954'>HBASE-17954</a>] -         Switch findbugs implementation to spotbugs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17965'>HBASE-17965</a>] -         Canary tool should print the regionserver name on failure
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17967'>HBASE-17967</a>] -         clean up documentation references to -ROOT- table.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17968'>HBASE-17968</a>] -         Update copyright year in NOTICE file
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17972'>HBASE-17972</a>] -         Remove mergePool from CompactSplitThread
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18096'>HBASE-18096</a>] -         Limit HFileUtil visibility and add missing annotations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18187'>HBASE-18187</a>] -         Release hbase-2.0.0-alpha1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18257'>HBASE-18257</a>] -         Cover exposed guava Service Interface in ReplicationEndpoint
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18258'>HBASE-18258</a>] -         Take down hbasecon2017 logo from hbase.apache.org and put up hbaseconasia2017 instead.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18284'>HBASE-18284</a>] -         Update hbasecon asia logo on home page of hbase.apache.org
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18288'>HBASE-18288</a>] -         Declared dependency on specific javax.ws.rs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18291'>HBASE-18291</a>] -         Regenerate thrift2 python examples
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18344'>HBASE-18344</a>] -         Introduce Append.addColumn as a replacement for Append.add
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18364'>HBASE-18364</a>] -         Downgrade surefire
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18384'>HBASE-18384</a>] -         Add link to refguide schema section on apache blog on hbase application archetypes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18421'>HBASE-18421</a>] -         update hadoop prerequisites docs to call out 2.8.1
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18465'>HBASE-18465</a>] -         [AMv2] remove old split region code that is no longer needed
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18511'>HBASE-18511</a>] -         Default no regions on master
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18514'>HBASE-18514</a>] -         Backport space quota &quot;phase2&quot; work to branch-2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18515'>HBASE-18515</a>] -          Introduce Delete.add as a replacement for Delete#addDeleteMarker
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18518'>HBASE-18518</a>] -         Remove jersey1* dependencies from project and jersey1* jars from lib dir
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18527'>HBASE-18527</a>] -         update nightly builds to compensate for jenkins plugin upgrades
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18544'>HBASE-18544</a>] -         Move the HRegion#addRegionToMETA to TestDefaultMemStore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18582'>HBASE-18582</a>] -         Correct the docs for Mutation#setCellVisibility
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18588'>HBASE-18588</a>] -         Verify we&#39;re using netty .so epolling on linux post HBASE-18271
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18594'>HBASE-18594</a>] -         Release hbase-2.0.0-alpha2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18596'>HBASE-18596</a>] -         [TEST] A hbase1 cluster should be able to replicate to a hbase2 cluster; verify
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18611'>HBASE-18611</a>] -         Copy all tests from o.a.h.h.p.TestProtobufUtil to o.a.h.h.s.p.TestProtobufUtil
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18623'>HBASE-18623</a>] -         Frequent failed to parse at EOF warnings from WALEntryStream
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18630'>HBASE-18630</a>] -         Prune dependencies; as is branch-2 has duplicates
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18653'>HBASE-18653</a>] -         Undo hbase2 check against &lt; hadoop2.6.x; i.e. implement agreed drop of hadoop 2.4 and 2.5 support in hbase2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18660'>HBASE-18660</a>] -         Remove duplicate code from the checkAndPut method in HTable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18670'>HBASE-18670</a>] -         Add .DS_Store to .gitignore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18695'>HBASE-18695</a>] -         Remove HTablePool
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18705'>HBASE-18705</a>] -         bin/hbase does not find cached_classpath.txt
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18710'>HBASE-18710</a>] -         Move on to hbase-thirdparty 1.0.1 (it was just released).
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18766'>HBASE-18766</a>] -         Make TableSnapshotScanner Audience Private
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18767'>HBASE-18767</a>] -         Release hbase-2.0.0-alpha-3; Theme &quot;Scrubbed API&quot;
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18768'>HBASE-18768</a>] -         Move TestTableName to hbase-common from hbase-server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18782'>HBASE-18782</a>] -         Module untangling work
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18783'>HBASE-18783</a>] -         Declare the builder of ClusterStatus as IA.Private, and remove the Writables from ClusterStatus
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18792'>HBASE-18792</a>] -         hbase-2 needs to defend against hbck operations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18817'>HBASE-18817</a>] -         Pull hbase-spark module out of branch-2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18833'>HBASE-18833</a>] -         Ensure precommit personality is up to date on all active branches
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18835'>HBASE-18835</a>] -         The return type of ExtendedCell#deepClone should be ExtendedCell rather than Cell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18877'>HBASE-18877</a>] -         Move Type out of KeyValue to Cell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18882'>HBASE-18882</a>] -         [TEST] Run MR branch-1 jobs against hbase2 cluster
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18897'>HBASE-18897</a>] -         Substitute MemStore for Memstore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18927'>HBASE-18927</a>] -         Add the DataType which is subset of KeyValue#Type to CellBuilder for building cell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18970'>HBASE-18970</a>] -         The version of jruby we use now can&#39;t get interactive input from prompt
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18988'>HBASE-18988</a>] -         Add release managers to reference guide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18991'>HBASE-18991</a>] -         Remove RegionMergeRequest
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19007'>HBASE-19007</a>] -         Align Services Interfaces in Master and RegionServer
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19043'>HBASE-19043</a>] -         Purge TableWrapper and CoprocessorHConnnection
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19049'>HBASE-19049</a>] -         Update kerby to 1.0.1 GA release
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19050'>HBASE-19050</a>] -         Improve javadoc of Scan#setMvccReadPoint
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19097'>HBASE-19097</a>] -         update testing to use Apache Yetus Test Patch version 0.6.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19123'>HBASE-19123</a>] -         Purge &#39;complete&#39; support from Coprocesor Observers
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19158'>HBASE-19158</a>] -         Ref guide needs upgrade update
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19176'>HBASE-19176</a>] -         Remove hbase-native-client from branch-2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19179'>HBASE-19179</a>] -         Remove hbase-prefix-tree
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19200'>HBASE-19200</a>] -         make hbase-client only depend on ZKAsyncRegistry and ZNodePaths
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19217'>HBASE-19217</a>] -         Update supplemental-models.xml for jetty-sslengine
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19224'>HBASE-19224</a>] -         LICENSE failure for Hadoop 3.1 on dnsjava
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19241'>HBASE-19241</a>] -         Improve javadoc for AsyncAdmin and cleanup warnings for the implementation classes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19267'>HBASE-19267</a>] -         Eclipse project import issues on 2.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19298'>HBASE-19298</a>] -         CellScanner and CellScannable should be declared as IA.Public
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19323'>HBASE-19323</a>] -         Make netty engine default in hbase2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19328'>HBASE-19328</a>] -         Remove asked if splittable log messages
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19404'>HBASE-19404</a>] -         Fix DisabledWALProvider
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19407'>HBASE-19407</a>] -         [branch-2] Remove backup/restore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19408'>HBASE-19408</a>] -         Remove WALActionsListener.Base
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19410'>HBASE-19410</a>] -         Move zookeeper related UTs to hbase-zookeeper and mark them as ZKTests
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19416'>HBASE-19416</a>] -         Document dynamic configurations currently support
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19477'>HBASE-19477</a>] -         Move and align documentation in hbase-annotations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19485'>HBASE-19485</a>] -         Minor improvement to TestCompactedHFilesDischarger
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19512'>HBASE-19512</a>] -         Move EventType and ExecutorType from hbase-client to hbase-server
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19526'>HBASE-19526</a>] -         Update hadoop version to 3.0 GA
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19548'>HBASE-19548</a>] -         Backport the missed doc fix from master to branch-2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19550'>HBASE-19550</a>] -         Wrap the cell passed via Mutation#add(Cell) to be of ExtendedCell
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19552'>HBASE-19552</a>] -         update hbase to use new thirdparty libs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19596'>HBASE-19596</a>] -         RegionMetrics/ServerMetrics/ClusterMetrics should apply to all public classes
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19620'>HBASE-19620</a>] -         Add UT to confirm the race in MasterRpcServices.getProcedureResult
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19637'>HBASE-19637</a>] -         Add .checkstyle to gitignore
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19644'>HBASE-19644</a>] -         add the checkstyle rule to reject the illegal imports
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19652'>HBASE-19652</a>] -         Turn down CleanerChore logging; too chatty
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19657'>HBASE-19657</a>] -         Reenable TestAssignmentManagerMetrics for beta-2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19720'>HBASE-19720</a>] -         Rename WALKey#getTabnename to WALKey#getTableName
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19922'>HBASE-19922</a>] -         ProtobufUtils::PRIMITIVES is unused
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19946'>HBASE-19946</a>] -         TestPerColumnFamilyFlush and TestWalAndCompactingMemStoreFlush fail against h3
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19947'>HBASE-19947</a>] -         MR jobs using ITU use wrong filesystem
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19963'>HBASE-19963</a>] -         TestFSHDFSUtils assumes wrong default port for Hadoop 3.0.1+
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20072'>HBASE-20072</a>] -         remove 1.1 release line from the prerequisite tables
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20075'>HBASE-20075</a>] -         remove logic for branch-1.1 nightly testing
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20084'>HBASE-20084</a>] -         Refactor the RSRpcServices#doBatchOp
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20088'>HBASE-20088</a>] -         Update copyright notices to year 2018
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20089'>HBASE-20089</a>] -         make_rc.sh should name SHA-512 checksum files with the extension .sha512
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20092'>HBASE-20092</a>] -         Fix TestRegionMetrics#testRegionMetrics
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20093'>HBASE-20093</a>] -         Replace ServerLoad by ServerMetrics for ServerManager
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20097'>HBASE-20097</a>] -         Merge TableDescriptors#getAll and TableDescriptors#getAllDescriptors into one
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20119'>HBASE-20119</a>] -         Introduce a pojo class to carry coprocessor information in order to make TableDescriptorBuilder accept multiple cp at once
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20132'>HBASE-20132</a>] -         Change the &quot;KV&quot; to &quot;Cell&quot; for web UI
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20171'>HBASE-20171</a>] -         Remove o.a.h.h.ProcedureState
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20199'>HBASE-20199</a>] -         Add test to prevent further permission regression around table flush and snapshot
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20212'>HBASE-20212</a>] -         Make all Public classes have InterfaceAudience category
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20223'>HBASE-20223</a>] -         Use hbase-thirdparty 2.1.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20246'>HBASE-20246</a>] -         Remove the spark module
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20299'>HBASE-20299</a>] -         Update MOB in hbase refguide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20365'>HBASE-20365</a>] -         start branch-2.0 specific website section
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20386'>HBASE-20386</a>] -         [DOC] Align WALPlayer help text and refguide
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20441'>HBASE-20441</a>] -         Use checkstyle to ban imports from commons-lang 2
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20443'>HBASE-20443</a>] -         Use checkstyle to ban imports from commons-collections 3
</li>
</ul>
                                                                    
<h2>        Brainstorming
</h2>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-8770'>HBASE-8770</a>] -         deletes and puts with the same ts should be resolved according to mvcc/seqNum
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-12859'>HBASE-12859</a>] -         New master API to track major compaction completion
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14869'>HBASE-14869</a>] -         Better request latency and size histograms
</li>
</ul>
    
<h2>        Umbrella
</h2>
<ul>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-6581'>HBASE-6581</a>] -         Build with hadoop.profile=3.0
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-7320'>HBASE-7320</a>] -         Remove KeyValue.getBuffer()
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-7781'>HBASE-7781</a>] -         Update security unit tests to use a KDC if available
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-10403'>HBASE-10403</a>] -         Simplify offheap cache configuration
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-10462'>HBASE-10462</a>] -         Recategorize some of the client facing Public / Private interfaces
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11339'>HBASE-11339</a>] -         HBase MOB
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11425'>HBASE-11425</a>] -         Cell/DBB end-to-end on the read-path
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-11871'>HBASE-11871</a>] -         Avoid usage of KeyValueUtil#ensureKeyValue
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-13747'>HBASE-13747</a>] -         Promote Java 8 to &quot;yes&quot; in support matrix
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14420'>HBASE-14420</a>] -         Zombie Stomping Session
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14457'>HBASE-14457</a>] -         Umbrella: Improve Multiple WAL for production usage
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-14460'>HBASE-14460</a>] -         [Perf Regression] Merge of MVCC and SequenceId (HBASE-8763) slowed Increments, CheckAndPuts, batch operations
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15086'>HBASE-15086</a>] -         Fix findbugs complaint so yetus reports more green
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-15179'>HBASE-15179</a>] -         Cell/DBB end-to-end on the write-path
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16432'>HBASE-16432</a>] -         Revisit the asynchronous ipc implementation
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16567'>HBASE-16567</a>] -         Upgrade to protobuf-3.1.x
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16617'>HBASE-16617</a>] -         Procedure V2 - Improvements
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-16833'>HBASE-16833</a>] -         Implement asynchronous hbase client based on HBASE-15921
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17143'>HBASE-17143</a>] -         Scan improvement
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-17359'>HBASE-17359</a>] -         Implement async admin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18037'>HBASE-18037</a>] -         Do not expose implementation classes to CP
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18110'>HBASE-18110</a>] -         [AMv2] Reenable tests temporarily disabled
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18266'>HBASE-18266</a>] -         Eliminate the warnings from the spotbugs
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18410'>HBASE-18410</a>] -         FilterList  Improvement. 
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18429'>HBASE-18429</a>] -         ITs attempt to modify immutable table/column descriptors
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18501'>HBASE-18501</a>] -         Use TableDescriptor and ColumnFamilyDescriptor as far as possible
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18696'>HBASE-18696</a>] -         Fix the problems when introducing the new hbase-mapreduce module
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18703'>HBASE-18703</a>] -         Inconsistent behavior for preBatchMutate in doMiniBatchMutate and processRowsWithLocks
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18751'>HBASE-18751</a>] -         Revisit the TimeRange and TimeRangeTracker
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18805'>HBASE-18805</a>] -         Unify Admin and AsyncAdmin
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18926'>HBASE-18926</a>] -         Cleanup Optional&lt;T&gt; from method params
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-18978'>HBASE-18978</a>] -         Align the methods in Table and AsyncTable
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19296'>HBASE-19296</a>] -         Fix findbugs and error-prone warnings (branch-2)
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19425'>HBASE-19425</a>] -         Align the methods in Put/Delete/Increment/Append
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19627'>HBASE-19627</a>] -         Stabilize the method signature for Cell and its impl
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19948'>HBASE-19948</a>] -         Since HBASE-19873, HBaseClassTestRule, Small/Medium/Large has different semantic
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-19976'>HBASE-19976</a>] -         Dead lock if the worker threads in procedure executor are exhausted
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20067'>HBASE-20067</a>] -         Clean up findbugs warnings
</li>
<li>[<a href='https://issues.apache.org/jira/browse/HBASE-20179'>HBASE-20179</a>] -         [TESTING] Scale for 2.0.0
</li>
</ul>