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CHANGES.txt
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CHANGES.txt
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HBase Change Log
Release 0.98.2 - 5/7/2014
** Sub-task
* [HBASE-10918] - [VisibilityController] System table backed ScanLabelGenerator
* [HBASE-10963] - Refactor cell ACL tests
* [HBASE-10972] - OOBE in prefix key encoding
* [HBASE-11053] - Change DeleteTracker APIs to work with Cell
* [HBASE-11054] - Create new hook in StoreScanner to help user creating his own delete tracker
* [HBASE-11077] - [AccessController] Restore compatible early-out access denial
** Bug
* [HBASE-10118] - Major compact keeps deletes with future timestamps
* [HBASE-10312] - Flooding the cluster with administrative actions leads to collapse
* [HBASE-10533] - commands.rb is giving wrong error messages on exceptions
* [HBASE-10611] - Description for hbase:acl table is wrong on master-status#catalogTables
* [HBASE-10705] - CompactionRequest#toString() may throw NullPointerException
* [HBASE-10830] - Integration test MR jobs attempt to load htrace jars from the wrong location
* [HBASE-10845] - Memstore snapshot size isn't updated in DefaultMemStore#rollback()
* [HBASE-10848] - Filter SingleColumnValueFilter combined with NullComparator does not work
* [HBASE-10850] - essential column family optimization is broken
* [HBASE-10854] - [VisibilityController] Apply MAX_VERSIONS from schema or request when scanning
* [HBASE-10860] - Insufficient AccessController covering permission check
* [HBASE-10879] - user_permission shell command on namespace doesn't work
* [HBASE-10890] - ExportSnapshot needs to add acquired token to job
* [HBASE-10895] - unassign a region fails due to the hosting region server is in FailedServerList
* [HBASE-10899] - [AccessController] Apply MAX_VERSIONS from schema or request when scanning
* [HBASE-10903] - HBASE-10740 regression; cannot pass commands for zk to run
* [HBASE-10949] - Reversed scan could hang
* [HBASE-10958] - [dataloss] Bulk loading with seqids can prevent some log entries from being replayed
* [HBASE-10964] - Delete mutation is not consistent with Put wrt timestamp
* [HBASE-10966] - RowCounter misinterprets column names that have colons in their qualifier
* [HBASE-10967] - CatalogTracker.waitForMeta should not wait indefinitely silently
* [HBASE-10970] - [AccessController] Issues with covering cell permission checks
* [HBASE-10979] - Fix AnnotationReadingPriorityFunction "scan" handling
* [HBASE-11011] - Avoid extra getFileStatus() calls on Region startup
* [HBASE-11030] - HBaseTestingUtility.getMiniHBaseCluster should be able to return null
* [HBASE-11038] - Filtered scans can bypass metrics collection
* [HBASE-11049] - HBase WALPlayer needs to add credentials to job to play to table
* [HBASE-11061] - Port HBASE-10948 Fix hbase table file 'x' mode to 0.96 / 0.98
** Improvement
* [HBASE-10823] - Resolve LATEST_TIMESTAMP to current server time before scanning for ACLs
* [HBASE-10883] - Restrict the universe of labels and authorizations
* [HBASE-10884] - [REST] Do not disable block caching when scanning
* [HBASE-10892] - [Shell] Add support for globs in user_permission
* [HBASE-10902] - Make Secure Bulk Load work across remote secure clusters
* [HBASE-10916] - [VisibilityController] Stackable ScanLabelGenerators
* [HBASE-10950] - Add a configuration point for MaxVersion of Column Family
* [HBASE-10951] - Use PBKDF2 to generate test encryption keys in the shell
* [HBASE-10952] - [REST] Let the user turn off block caching if desired
* [HBASE-11001] - Shell support for granting cell permissions for testing
* [HBASE-11002] - Shell support for changing cell visibility for testing
* [HBASE-11008] - Align bulk load, flush, and compact to require Action.CREATE
* [HBASE-11026] - Provide option to filter out all rows in PerformanceEvaluation tool
* [HBASE-11044] - [Shell] Show groups for user in 'whoami' output
** Task
* [HBASE-10906] - Change error log for NamingException in TableInputFormatBase to WARN level
* [HBASE-10912] - setUp / tearDown in TestSCVFWithMiniCluster should be done once per run
** Test
* [HBASE-10988] - Properly wait for server in TestThriftServerCmdLine
* [HBASE-11010] - TestChangingEncoding is unnecessarily slow
* [HBASE-11023] - Port HBASE-10488 "'mvn site' is broken due to org.apache.jasper.JspC not found" to 0.98
* [HBASE-11037] - Race condition in TestZKBasedOpenCloseRegion
Release 0.98.1 - 4/6/2014
** Sub-task
* [HBASE-5175] - Add DoubleColumnInterpreter
* [HBASE-9966] - Create IntegrationTest for Online Bloom Filter Change
* [HBASE-10169] - Batch coprocessor
* [HBASE-10526] - Using Cell instead of KeyValue in HFileOutputFormat
* [HBASE-10651] - Fix incorrect handling of IE that restores current thread's interrupt status within while/for loops in Replication
* [HBASE-10697] - Convert TestSimpleTotalOrderPartitioner to junit4 test
* [HBASE-10717] - TestFSHDFSUtils#testIsSameHdfs fails with IllegalArgumentException running against hadoop 2.3
* [HBASE-10723] - Convert TestExplicitColumnTracker to junit4 test
* [HBASE-10741] - Deprecate HTablePool and HTableFactory
** Bug
* [HBASE-6642] - enable_all,disable_all,drop_all can call "list" command with regex directly.
* [HBASE-8304] - Bulkload fails to remove files if fs.default.name / fs.defaultFS is configured without default port
* [HBASE-8803] - region_mover.rb should move multiple regions at a time
* [HBASE-9294] - NPE in /rs-status during RS shutdown
* [HBASE-9708] - Improve Snapshot Name Error Message
* [HBASE-9721] - RegionServer should not accept regionOpen RPC intended for another(previous) server
* [HBASE-9778] - Add hint to ExplicitColumnTracker to avoid seeking
* [HBASE-9990] - HTable uses the conf for each "newCaller"
* [HBASE-10080] - Unnecessary call to locateRegion when creating an HTable instance
* [HBASE-10097] - Remove a region name string creation in HRegion#nextInternal
* [HBASE-10117] - Avoid synchronization in HRegionScannerImpl.isFilterDone
* [HBASE-10313] - Duplicate servlet-api jars in hbase 0.96.0
* [HBASE-10413] - Tablesplit.getLength returns 0
* [HBASE-10432] - Rpc retries non-recoverable error
* [HBASE-10436] - restore regionserver lists removed from hbase 0.96+ jmx
* [HBASE-10451] - Enable back Tag compression on HFiles
* [HBASE-10452] - Fix potential bugs in exception handlers
* [HBASE-10453] - PrefixTree encoding for tags can honor HCD#shouldCompressTags()
* [HBASE-10476] - HBase Master log grows very fast after stopped hadoop (due to connection exception)
* [HBASE-10481] - API Compatibility JDiff script does not properly handle arguments in reverse order
* [HBASE-10482] - ReplicationSyncUp doesn't clean up its ZK, needed for tests
* [HBASE-10485] - PrefixFilter#filterKeyValue() should perform filtering on row key
* [HBASE-10486] - ProtobufUtil Append & Increment deserialization lost cell level timestamp
* [HBASE-10493] - InclusiveStopFilter#filterKeyValue() should perform filtering on row key
* [HBASE-10495] - upgrade script is printing usage two times with help option.
* [HBASE-10500] - Some tools OOM when BucketCache is enabled
* [HBASE-10501] - Improve IncreasingToUpperBoundRegionSplitPolicy to avoid too many regions
* [HBASE-10514] - Forward port HBASE-10466, possible data loss when failed flushes
* [HBASE-10527] - TestTokenAuthentication fails with the IBM JDK
* [HBASE-10534] - Rowkey in TsvImporterTextMapper initializing with wrong length
* [HBASE-10537] - Let the ExportSnapshot mapper fail and retry on error
* [HBASE-10539] - HRegion.addAndGetGlobalMemstoreSize returns previous size
* [HBASE-10545] - RS Hangs waiting on region to close on shutdown; has to timeout before can go down
* [HBASE-10546] - Two scanner objects are open for each hbase map task but only one scanner object is closed
* [HBASE-10547] - TestFixedLengthWrapper#testReadWrite occasionally fails with the IBM JDK
* [HBASE-10548] - Correct commons-math dependency version
* [HBASE-10552] - HFilePerformanceEvaluation.GaussianRandomReadBenchmark fails sometimes.
* [HBASE-10556] - Possible data loss due to non-handled DroppedSnapshotException for user-triggered flush from client/shell
* [HBASE-10563] - Set name for FlushHandler thread
* [HBASE-10564] - HRegionServer.nextLong should be removed since it's not used anywhere, or should be used somewhere it meant to
* [HBASE-10565] - FavoredNodesPlan accidentally uses an internal Netty type
* [HBASE-10567] - Add overwrite manifest option to ExportSnapshot
* [HBASE-10575] - ReplicationSource thread can't be terminated if it runs into the loop to contact peer's zk ensemble and fails continuously
* [HBASE-10579] - [Documentation]: ExportSnapshot tool package incorrectly documented
* [HBASE-10580] - IntegrationTestingUtility#restoreCluster leak resource when running in a mini cluster mode
* [HBASE-10581] - ACL znode are left without PBed during upgrading hbase0.94* to hbase0.96+
* [HBASE-10582] - 0.94->0.96 Upgrade: ACL can't be repopulated when ACL table contains row for table '-ROOT' or '.META.'
* [HBASE-10585] - Avoid early creation of Node objects in LRUDictionary.BidirectionalLRUMap
* [HBASE-10586] - hadoop2-compat IPC metric registred twice
* [HBASE-10587] - Master metrics clusterRequests is wrong
* [HBASE-10594] - Speed up TestRestoreSnapshotFromClient
* [HBASE-10598] - Written data can not be read out because MemStore#timeRangeTracker might be updated concurrently
* [HBASE-10600] - HTable#batch() should perform validation on empty Put
* [HBASE-10604] - Fix parseArgs javadoc
* [HBASE-10608] - Acquire the FS Delegation Token for Secure ExportSnapshot
* [HBASE-10614] - Master could not be stopped
* [HBASE-10618] - User should not be allowed to disable/drop visibility labels table
* [HBASE-10621] - Unable to grant user permission to namespace
* [HBASE-10622] - Improve log and Exceptions in Export Snapshot
* [HBASE-10624] - Fix 2 new findbugs warnings introduced by HBASE-10598
* [HBASE-10627] - A logic mistake in HRegionServer isHealthy
* [HBASE-10631] - Avoid extra seek on FileLink open
* [HBASE-10632] - Region lost in limbo after ArrayIndexOutOfBoundsException during assignment
* [HBASE-10639] - Unload script displays wrong counts (off by one) when unloading regions
* [HBASE-10644] - TestSecureExportSnapshot#testExportFileSystemState fails on hadoop-1
* [HBASE-10656] - high-scale-lib's Counter depends on Oracle (Sun) JRE, and also has some bug
* [HBASE-10660] - MR over snapshots can OOM when alternative blockcache is enabled
* [HBASE-10662] - RegionScanner is never closed if the region has been moved-out or re-opened when performing scan request
* [HBASE-10665] - TestCompaction and TestCompactionWithCoprocessor run too long
* [HBASE-10666] - TestMasterCoprocessorExceptionWithAbort hangs at shutdown
* [HBASE-10668] - TestExportSnapshot runs too long
* [HBASE-10669] - [hbck tool] Usage is wrong for hbck tool for -sidelineCorruptHfiles option
* [HBASE-10675] - IntegrationTestIngestWithACL should allow User to be passed as Parameter
* [HBASE-10677] - boundaries check in hbck throwing IllegalArgumentException
* [HBASE-10679] - Both clients get wrong scan results if the first scanner expires and the second scanner is created with the same scannerId on the same region
* [HBASE-10682] - region_mover.rb throws "can't convert nil into String" for regions moved
* [HBASE-10685] - [WINDOWS] TestKeyStoreKeyProvider fails on windows
* [HBASE-10686] - [WINDOWS] TestStripeStoreFileManager fails on windows
* [HBASE-10694] - TableSkewCostFunction#cost() casts integral division result to double
* [HBASE-10706] - Disable writeToWal in tests where possible
* [HBASE-10716] - [Configuration]: hbase.regionserver.region.split.policy should be part of hbase-default.xml
* [HBASE-10718] - TestHLogSplit fails when it sets a KV size to be negative
* [HBASE-10726] - Fix java.lang.ArrayIndexOutOfBoundsException in StochasticLoadBalancer$LocalityBasedCandidateGenerator
* [HBASE-10731] - Fix environment variables typos in scripts
* [HBASE-10735] - [WINDOWS] Set -XX:MaxPermSize for unit tests
* [HBASE-10736] - Fix Javadoc warnings introduced in HBASE-10169
* [HBASE-10737] - HConnectionImplementation should stop RpcClient on close
* [HBASE-10738] - AssignmentManager should shut down executors on stop
* [HBASE-10739] - RS web UI NPE if master shuts down sooner
* [HBASE-10745] - Access ShutdownHook#fsShutdownHooks should be synchronized
* [HBASE-10749] - CellComparator.compareStatic() compares type wrongly
* [HBASE-10751] - TestHRegion testWritesWhileScanning occasional fail since HBASE-10514 went in
* [HBASE-10760] - Wrong methods' names in ClusterLoadState class
* [HBASE-10762] - clone_snapshot doesn't check for missing namespace
* [HBASE-10763] - Backport HBASE-10549(When there is a hole, LoadIncrementalHFiles will hang in an infinite loop.) to 0.98
* [HBASE-10766] - SnapshotCleaner allows to delete referenced files
* [HBASE-10770] - Don't exit from the Canary daemon mode if no regions are present
* [HBASE-10793] - AuthFailed as a valid zookeeper state
* [HBASE-10799] - [WINDOWS] TestImportTSVWithVisibilityLabels.testBulkOutputWithTsvImporterTextMapper fails on windows
* [HBASE-10802] - CellComparator.compareStaticIgnoreMvccVersion compares type wrongly
* [HBASE-10804] - Add a validations step to ExportSnapshot
* [HBASE-10805] - Speed up KeyValueHeap.next() a bit
* [HBASE-10806] - Two protos missing in hbase-protocol/pom.xml
* [HBASE-10809] - HBaseAdmin#deleteTable fails when META region happen to move around same time
* [HBASE-10825] - Add copy-from option to ExportSnapshot
* [HBASE-10829] - Flush is skipped after log replay if the last recovered edits file is skipped
* [HBASE-10833] - Region assignment may fail during cluster start up
* [HBASE-10838] - Insufficient AccessController covering permission check
* [HBASE-10860] - Insufficient AccessController covering permission check
* [HBASE-10862] - Update config field names in hbase-default.xml description for hbase.hregion.memstore.block.multiplier
* [HBASE-10863] - Scan doesn't return rows for user who has authorization by visibility label in secure deployment
** Improvement
* [HBASE-7849] - Provide administrative limits around bulkloads of files into a single region
* [HBASE-8076] - add better doc for HBaseAdmin#offline API.
* [HBASE-8604] - improve reporting of incorrect peer address in replication
* [HBASE-9501] - Provide throttling for replication
* [HBASE-9999] - Add support for small reverse scan
* [HBASE-10389] - Add namespace help info in table related shell commands
* [HBASE-10487] - Avoid allocating new KeyValue and according bytes-copying for appended kvs which don't have existing values
* [HBASE-10498] - Add new APIs to load balancer interface
* [HBASE-10511] - Add latency percentiles on PerformanceEvaluation
* [HBASE-10518] - DirectMemoryUtils.getDirectMemoryUsage spams when none is configured
* [HBASE-10570] - Allow overrides of Surefire secondPartForkMode and testFailureIgnore
* [HBASE-10589] - Reduce unnecessary TestRowProcessorEndpoint resource usage
* [HBASE-10592] - Refactor PerformanceEvaluation tool
* [HBASE-10597] - IOEngine#read() should return the number of bytes transferred
* [HBASE-10638] - Improve error message when there is no region server available for move
* [HBASE-10678] - Make verifyrep tool implement toolrunner
* [HBASE-10693] - Correct declarations of Atomic* fields from 'volatile' to 'final'
* [HBASE-10744] - AM#CloseRegion no need to retry on FailedServerException
* [HBASE-10769] - hbase/bin/hbase-cleanup.sh has wrong usage string
* [HBASE-10797] - Add support for -h and --help to rolling_restart.sh and fix the usage string output
* [HBASE-10812] - Backport HBASE-9426(Make custom distributed barrier procedure pluggable) to 0.98.x
** New Feature
* [HBASE-8751] - Enable peer cluster to choose/change the ColumnFamilies/Tables it really want to replicate from a source cluster
** Task
* [HBASE-10612] - Remove unnecessary dependency on org.eclipse.jdt:core
* [HBASE-10670] - HBaseFsck#connect() should use new connection
* [HBASE-10700] - IntegrationTestWithCellVisibilityLoadAndVerify should allow current user to be the admin
* [HBASE-10740] - Upgrade zookeeper to 3.4.6 release
* [HBASE-10786] - If snapshot verification fails with 'Regions moved', the message should contain the name of region causing the failure
** Test
* [HBASE-10543] - Two rare test failures with TestLogsCleaner and TestSplitLogWorker
* [HBASE-10649] - TestMasterMetrics fails occasionally
* [HBASE-10764] - TestLoadIncrementalHFilesSplitRecovery#testBulkLoadPhaseFailure takes too long
* [HBASE-10767] - Load balancer may interfere with tests in TestHBaseFsck
* [HBASE-10782] - Hadoop2 MR tests fail occasionally because of mapreduce.jobhistory.address is no set in job conf
* [HBASE-10828] - TestRegionObserverInterface#testHBase3583 should wait for all regions to be assigned
* [HBASE-10852] - TestDistributedLogSplitting#testDisallowWritesInRecovering occasionally fails
* [HBASE-10868] - TestAtomicOperation should close HRegion instance after each subtest
Release 0.98.0 - 2/16/2014
** Sub-task
* [HBASE-4285] - partitions file created in user's home directory by importtsv
* [HBASE-5050] - [rest] SPNEGO-based authentication
* [HBASE-5995] - Fix and reenable TestLogRolling.testLogRollOnPipelineRestart
* [HBASE-6330] - TestImportExport has been failing against hadoop 0.23/2.0 profile
* [HBASE-6873] - Clean up Coprocessor loading failure handling
* [HBASE-6945] - Compilation errors when using non-Sun JDKs to build HBase-0.94
* [HBASE-7533] - Write an RPC Specification for 0.96
* [HBASE-7605] - TestMiniClusterLoadSequential fails in trunk build on hadoop 2
* [HBASE-7606] - TestJoinedScanners fails in trunk build on hadoop 2.0
* [HBASE-7615] - Add metrics for snapshots
* [HBASE-7636] - TestDistributedLogSplitting#testThreeRSAbort fails against hadoop 2.0
* [HBASE-7662] - [Per-KV security] Per cell ACLs stored in tags
* [HBASE-7663] - [Per-KV security] Visibility labels
* [HBASE-7679] - implement store file management for stripe compactions
* [HBASE-7680] - implement compaction policy for stripe compactions
* [HBASE-7747] - Import tools should use a combiner to merge Puts
* [HBASE-7801] - Allow a deferred sync option per Mutation.
* [HBASE-7807] - Introduce HRegionFileSystem and move region fs related code
* [HBASE-7808] - Refactor Store to use HRegionFileSystem
* [HBASE-7809] - Refactor Split/Merge to use HRegionFileSystem
* [HBASE-7841] - Parallelize offline snapshot in DisabledTableSnapshotHandler
* [HBASE-7905] - Add passing of optional cell blocks over rpc
* [HBASE-7934] - TableMapReduceUtil doesn't include all dependency jars in new modular build
* [HBASE-7938] - Add integration test for ImportTsv/LoadIncrementalHFiles workflow
* [HBASE-7944] - Replication leaks file reader resource & not reset currentNbOperations
* [HBASE-7967] - implement compactor for stripe compactions
* [HBASE-7975] - ImportTsv documentation update for table creation
* [HBASE-7995] - Export$Exporter could be replaced with IdentityTableMapper
* [HBASE-7996] - Clean up resource leak in MultiTableInputFormat
* [HBASE-8000] - create integration/perf tests for stripe compactions
* [HBASE-8006] - use FSUtils to get/set hbase.rootdir
* [HBASE-8008] - Fix DirFilter usage to be consistent
* [HBASE-8011] - Refactor ImportTsv
* [HBASE-8094] - TestTableInputFormatScan doesn't assert anything
* [HBASE-8101] - Cleanup: findbugs and javadoc warning fixes as well as making it illegal passing null row to Put/Delete, etc.
* [HBASE-8156] - Support for Namenode HA for non-idempotent operations
* [HBASE-8189] - Shell commands of online region merge
* [HBASE-8190] - Add documentation of region merges to the book
* [HBASE-8201] - OrderedBytes: an ordered encoding strategy
* [HBASE-8316] - JoinedHeap for non essential column families should reseek instead of seek
* [HBASE-8324] - TestHFileOutputFormat.testMRIncremental* fails against hadoop2 profile
* [HBASE-8342] - TestTableInputFormatScan#testScanFromConfiguration fails on hadoop2 profile
* [HBASE-8349] - TestLogRolling#TestLogRollOnDatanodeDeath hangs under hadoop2 profile
* [HBASE-8375] - Durability setting per table
* [HBASE-8392] - TestMetricMBeanBase#testGetAttribute is flakey under hadoop2 profile
* [HBASE-8408] - Implement namespace
* [HBASE-8409] - Security support for namespaces
* [HBASE-8424] - IntegrationTestImportTsv missing Apache License
* [HBASE-8429] - TestMetricsWALSourceImpl from hbase-hadoop2-compat module missing Apache license.
* [HBASE-8453] - TestImportExport failing again due to configuration issues
* [HBASE-8469] - [hadoop2] Several tests break because of HDFS-4305
* [HBASE-8477] - [hadoop2] TestTableInputFormatScan* fails intermittently with PrivilegedActionException
* [HBASE-8478] - HBASE-2231 breaks TestHRegion#testRecoveredEditsReplayCompaction under hadoop2 profile
* [HBASE-8497] - Protobuf WAL also needs a trailer
* [HBASE-8528] - [hadoop2] TestMultiTableInputFormat always fails on hadoop with YARN-129 applied
* [HBASE-8583] - Create a new IntegrationTestBigLinkedListWithChaosMonkey
* [HBASE-8633] - Document namespaces in HBase book
* [HBASE-8643] - Do not log full classnames in logs, just the last two levels
* [HBASE-8657] - Miscellaneous log fixups for hbase-it; tidier logging, fix a few NPEs
* [HBASE-8661] - [rest] support REST over https
* [HBASE-8662] - [rest] support impersonation
* [HBASE-8693] - DataType: provide extensible type API
* [HBASE-8703] - [WINDOWS] Timed-out processes exit with non-zero code causing HealthChecker to report incorrectly
* [HBASE-8766] - [WINDOWS] bin/hbase.cmd zkcli is broken
* [HBASE-8774] - Add BatchSize and Filter to Thrift2
* [HBASE-8779] - Add mutateRow method support to Thrift2
* [HBASE-8819] - Port HBASE-5428 to Thrift 2
* [HBASE-8826] - Ensure HBASE-8695 is covered in Thrift 2
* [HBASE-8832] - Ensure HBASE-4658 is supported by Thrift 2
* [HBASE-8838] - [WINDOWS] FileLink assumptions are broken under NTFS
* [HBASE-8876] - Addendum to HBASE-8774 Add BatchSize and Filter to Thrift2 - Add BatchSize Test
* [HBASE-8890] - Fix Thrift 2 example class location
* [HBASE-8938] - Thrift2 does not close scanner instance
* [HBASE-8946] - Add a new function to Thrift 2 to open scanner, get results and close scanner
* [HBASE-8947] - Thrift 2 : Replace "bool writeToWAL" with "TDurability durability"
* [HBASE-8948] - Bound table pool size in Thrift 2 server
* [HBASE-9045] - Support Dictionary based Tag compression in HFiles
* [HBASE-9073] - Up retries on TestSnapshotFromMaster; retries only once
* [HBASE-9078] - Downstream build including hbase-client fails because can't find com.sun.jdmk:jmxtools
* [HBASE-9091] - Update ByteRange to maintain consumer's position
* [HBASE-9110] - Meta region edits not recovered while migrating to 0.96.0
* [HBASE-9118] - Optimization in HFile V3 when no tags are present in a file
* [HBASE-9128] - Drop the '.' prefix from names under hbase.rootdir after namespaces goes in
* [HBASE-9130] - Invert the name of namespace commands to match the snapshots and replication form
* [HBASE-9136] - RPC side changes to have a different codec for server to client communication
* [HBASE-9137] - Add Tag dictionary in WAL compression
* [HBASE-9165] - Improvements to addDependencyJars
* [HBASE-9179] - TestSecureLoadIncrementalHFilesSplitRecovery hangs
* [HBASE-9187] - HBaseAdmin#testTableExists can go zombie
* [HBASE-9191] - Update Loadbalancer method to throw HBaseIOException
* [HBASE-9241] - Add cp hook before initialize variable set to true in master intialization
* [HBASE-9244] - Add CP hooks around StoreFileReader creation
* [HBASE-9246] - Remove ROOT_TABLEDESC, ROOT_REGIONINFO, and ROOT_TABLE_NAME
* [HBASE-9247] - Cleanup Key/KV/Meta/MetaKey Comparators
* [HBASE-9249] - Add cp hook before setting PONR in split
* [HBASE-9259] - Update hadoop versions grid in refguide adding hadoop-2.1.x and a note on hadoop-2.0.x versions
* [HBASE-9261] - Add cp hooks after {start|close}RegionOperation
* [HBASE-9262] - Make KeyValue.KEY_COMPARATOR default for HFile WriterFactory
* [HBASE-9263] - Add initialize method to load balancer interface
* [HBASE-9276] - List tables API should filter with isSystemTable
* [HBASE-9277] - REST should use listTableNames to list tables
* [HBASE-9279] - Thrift should use listTableNames to list tables
* [HBASE-9317] - Define timeout period for TestHBaseFsck#testSplitDaughtersNotInMeta
* [HBASE-9359] - Convert KeyValue to Cell in hbase-client module - Result/Put/Delete, ColumnInterpreter
* [HBASE-9379] - Doc that localfs is not durable
* [HBASE-9477] - Add deprecation compat shim for Result#raw and Result#list for 0.96
* [HBASE-9478] - Make Cell @interfaceAudience.public and evolving.
* [HBASE-9487] - create_namespace with property value throws error
* [HBASE-9489] - Add cp hooks in online merge before and after setting PONR
* [HBASE-9493] - Rename CellUtil#get*Array to CellUtil#clone*
* [HBASE-9516] - Mark hbase-common classes missing @InterfaceAudience annotation as Private
* [HBASE-9517] - Include only InterfaceAudiencePublic elements in generated Javadoc
* [HBASE-9523] - Audit of hbase-common @InterfaceAudience.Public apis.
* [HBASE-9529] - Audit of hbase-client @InterfaceAudience.Public apis
* [HBASE-9546] - HFileContext should adopt Builder pattern
* [HBASE-9585] - Update javadoc builder in pom to exclude empty packages in user api javadoc
* [HBASE-9586] - Deprecate remove o.a.h.h.util.Keying class.
* [HBASE-9652] - Remove HServerLoad092
* [HBASE-9677] - Remove MasterAdmin and MasterMonitor protos; have MasterService provide these functions
* [HBASE-9684] - Remove MultiRowMutationProcessorMessages.proto
* [HBASE-9711] - Improve HBASE-9428 - avoid copying bytes for RegexFilter unless necessary
* [HBASE-9846] - Integration test and LoadTestTool support for cell ACLs
* [HBASE-9854] - initial documentation for stripe compactions
* [HBASE-9858] - Integration test and LoadTestTool support for cell Visibility
* [HBASE-9907] - Rig to fake a cluster so can profile client behaviors
* [HBASE-9917] - Fix it so Default Connection Pool does not spin up max threads even when not needed
* [HBASE-9941] - The context ClassLoader isn't set while calling into a coprocessor
* [HBASE-9997] - Add per KV security details to HBase book
* [HBASE-10035] - Fix Potential Resource Leak in IPCUtils
* [HBASE-10036] - Fix Potential Resource Leak in MetaReader
* [HBASE-10037] - Fix potential Resource Leak in EncodedDataBlock
* [HBASE-10038] - Fix potential Resource Leak in ZNodeCleaner
* [HBASE-10039] - Fix potential Resource Leak in RpcServer
* [HBASE-10043] - Fix Potential Resouce Leak in MultiTableInputFormatBase
* [HBASE-10094] - Add batching to HLogPerformanceEvaluation
* [HBASE-10110] - Fix Potential Resource Leak in StoreFlusher
* [HBASE-10124] - Make Sub Classes Static When Possible
* [HBASE-10143] - Clean up dead local stores in FSUtils
* [HBASE-10297] - LoadAndVerify Integration Test for cell visibility
* [HBASE-10391] - Deprecate KeyValue#getBuffer
* [HBASE-10550] - Register HBase tokens with ServiceLoader
** Bug
* [HBASE-3787] - Increment is non-idempotent but client retries RPC
* [HBASE-5356] - region_mover.rb can hang if table region it belongs to is deleted.
* [HBASE-5472] - LoadIncrementalHFiles loops forever if the target table misses a CF
* [HBASE-5946] - Thrift Filter Language documentation is inconsistent
* [HBASE-6031] - RegionServer does not go down while aborting
* [HBASE-6347] - -ROOT- and .META. are stale in table.jsp if they moved
* [HBASE-6915] - String and ConcurrentHashMap sizes change on jdk7; makes TestHeapSize fail
* [HBASE-7111] - hbase zkcli will not start if the zookeeper server chosen to connect to is unavailable
* [HBASE-7114] - Increment does not extend Mutation but probably should
* [HBASE-7122] - Proper warning message when opening a log file with no entries (idle cluster)
* [HBASE-7153] - print gc option in hbase-env.sh affects hbase zkcli
* [HBASE-7192] - Move TestHBase7051.java into TestAtomicOperation.java
* [HBASE-7226] - HRegion.checkAndMutate uses incorrect comparison result for <, <=, > and >=
* [HBASE-7255] - KV size metric went missing from StoreScanner.
* [HBASE-7296] - Add hbase.master.loadbalancer.class in the documentation
* [HBASE-7325] - Replication reacts slowly on a lightly-loaded cluster
* [HBASE-7380] - [replication] When transferring queues, check if the peer still exists before copying the znodes
* [HBASE-7391] - Review/improve HLog compression's memory consumption
* [HBASE-7401] - Remove warning message about running 'hbase migrate'
* [HBASE-7458] - TestReplicationWithCompression fails intermittently in both PreCommit and trunk builds
* [HBASE-7481] - Allow IOExceptions to be thrown from Filter methods
* [HBASE-7482] - Port HBASE-7442 HBase remote CopyTable not working when security enabled to trunk
* [HBASE-7488] - Implement HConnectionManager.locateRegions which is currently returning null
* [HBASE-7501] - Introduce MetaEditor method that both adds and deletes rows in .META. table
* [HBASE-7546] - Obtain a table read lock on region split operations
* [HBASE-7590] - Add a costless notifications mechanism from master to regionservers & clients
* [HBASE-7597] - TestHBaseFsck#testRegionShouldNotBeDeployed seems to be flaky
* [HBASE-7600] - TestAdmin.testCreateBadTables is failing occasionally
* [HBASE-7634] - Replication handling of changes to peer clusters is inefficient
* [HBASE-7639] - Enable online schema update by default
* [HBASE-7700] - TestColumnSeeking is mathematically bound to fail
* [HBASE-7709] - Infinite loop possible in Master/Master replication
* [HBASE-7723] - Remove NameNode URI from ZK splitlogs
* [HBASE-7726] - Family Dir is not removed using modifyTable()
* [HBASE-7817] - Suggested JDWP debug options in hbase-env.sh are wrong
* [HBASE-7869] - Provide way to not start LogSyncer thread
* [HBASE-7871] - HBase can be stuck when closing regions concurrently
* [HBASE-7876] - Got exception when manually triggers a split on an empty region
* [HBASE-7878] - recoverFileLease does not check return value of recoverLease
* [HBASE-7921] - TestHFileBlock.testGzipCompression should ignore the block checksum
* [HBASE-7933] - NPE in TableLockManager
* [HBASE-7940] - Upgrade version to 0.97-SNAPSHOT in pom.xml files
* [HBASE-7945] - Remove flaky TestCatalogTrackerOnCluster
* [HBASE-7947] - Custom compaction requests should have test for adding to wrong list
* [HBASE-7951] - TestNodeHealthCheckChore.testHealthChecker failed 0.95 build #3
* [HBASE-7953] - Some HFilePerformanceEvaluation tests might fail because of scanner.getValue when there is no more row
* [HBASE-7954] - Fix the retrying logic of memstore flushes to avoid extra sleep
* [HBASE-7955] - Remove log "ERROR snapshot.SnapshotFileCache: Snapshot directory doesn't exist"
* [HBASE-7956] - RegionCoprocessorRpcChannel should log rpc requests at TRACE level rather than DEBUG
* [HBASE-7957] - CloneSnapshotHandler.prepare() is not called by SnapshotManager
* [HBASE-7961] - truncate on disabled table should throw TableNotEnabledException.
* [HBASE-7963] - HBase VerifyReplication not working when security enabled
* [HBASE-7966] - ACL tests fail on trunk (flaky)
* [HBASE-7968] - Packaging of Trunk and 0.95 does not create the dependent jars in the lib folder
* [HBASE-7969] - Rename HBaseAdmin#getCompletedSnapshots as HBaseAdmin#listSnapshots
* [HBASE-7980] - TestZKInterProcessReadWriteLock fails occasionally in QA test run
* [HBASE-7982] - TestReplicationQueueFailover* runs for a minute, spews 3/4million lines complaining 'Filesystem closed', has an NPE, and still passes?
* [HBASE-7986] - [REST] Make HTablePool size configurable
* [HBASE-7992] - provide pre/post region offline hooks for HMaster.offlineRegion()
* [HBASE-8002] - Make TimeOut Management for Assignment optional in master and regionservers
* [HBASE-8003] - Threads#getBoundedCachedThreadPool harcodes the time unit to seconds
* [HBASE-8004] - Creating an existing table from Shell does not throw TableExistsException
* [HBASE-8005] - DemoClient.cpp can not be built correctly
* [HBASE-8007] - Adopt TestLoadAndVerify from BigTop
* [HBASE-8012] - Reseek should position to the beginning of file for the first time it is invoked with a KV smaller than the first KV in file
* [HBASE-8017] - Upgrade hadoop 1 dependency to 1.1.2
* [HBASE-8018] - Add "Flaky Testcase Detector" tool into dev-tools
* [HBASE-8021] - TestSplitTransactionOnCluster.testShouldThrowIOExceptionIfStoreFileSizeIsEmptyAndShouldSuccessfullyExecuteRollback() fails consistently
* [HBASE-8022] - Site target fails
* [HBASE-8025] - zkcli fails when SERVER_GC_OPTS is enabled
* [HBASE-8027] - hbase-7994 redux; shutdown hbase-example unit tests
* [HBASE-8030] - znode path of online region servers is hard coded in rolling_restart.sh
* [HBASE-8032] - TestNodeHealthCheckChore.testHealthChecker failed 0.95 build #36
* [HBASE-8033] - Break TestRestoreSnapshotFromClient into TestRestoreSnapshotFromClient and TestCloneSnapshotFromClient
* [HBASE-8036] - ProtobufUtil.multi behavior is inconsistent in case of errors
* [HBASE-8041] - WebUI doesn't display snapshots correctly
* [HBASE-8042] - Offline Meta Repair no longer points to the correct location
* [HBASE-8043] - Fix a few javadoc warnings...
* [HBASE-8044] - split/flush/compact/major_compact from hbase shell does not work for region key with \x format
* [HBASE-8050] - Small fix to book/hbase.tests.html
* [HBASE-8051] - 0.95 build failing on site goal: 'failed to get report for org.apache.maven.plugins:maven-project-info-reports-plugin: Could not find goal 'dependency-info''
* [HBASE-8052] - TestHBaseFsck#testQuarantineMissingFamdir fails sporadically
* [HBASE-8055] - Null check missing in StoreFile.Reader.getMaxTimestamp()
* [HBASE-8057] - RegionLoad needs a toString implementation
* [HBASE-8058] - Upgrade site plugin; fix assembly doc up on jenkins builds
* [HBASE-8060] - "Num compacting KVs" diverges from "num compacted KVs" over time
* [HBASE-8062] - Replace HBaseFsck.debugLsr() in TestFlushSnapshotFromClient with FSUtils.logFileSystemState()
* [HBASE-8067] - TestHFileArchiving.testArchiveOnTableDelete sometimes fails
* [HBASE-8068] - TestMasterMetricsWrapper failed in 0.95 #60 jenkins
* [HBASE-8069] - TestHLog is dependent on the execution order
* [HBASE-8096] - [replication] NPE while replicating a log that is acquiring a new block from HDFS
* [HBASE-8097] - MetaServerShutdownHandler may potentially keep bumping up DeadServer.numProcessing
* [HBASE-8099] - ReplicationZookeeper.copyQueuesFromRSUsingMulti should not return any queues if it failed to execute.
* [HBASE-8108] - Add m2eclispe lifecycle mapping to hbase-common
* [HBASE-8112] - Deprecate HTable#batch(final List<? extends Row>)
* [HBASE-8116] - TestSnapshotCloneIndependence fails in trunk builds intermittently
* [HBASE-8118] - TestTablePermission depends on the execution order
* [HBASE-8119] - Optimize StochasticLoadBalancer
* [HBASE-8122] - TestAccessController depends on the execution order
* [HBASE-8123] - Replace HashMap/HashSet with TreeMap/TreeSet where byte[] is used as key
* [HBASE-8130] - initialize TableLockManager before initializing AssignmentManager
* [HBASE-8131] - Create table handler needs to handle failure cases.
* [HBASE-8133] - avoid assign for disabling table regions(OPENING/PENDING_OPEN) in SSH
* [HBASE-8135] - Mutation should implement HeapSize
* [HBASE-8138] - Using [packed=true] for repeated field of primitive numeric types (types which use the varint, 32-bit, or 64-bit wire types)
* [HBASE-8140] - TableMapReduceUtils#addDependencyJar fails when nested inside another MR job
* [HBASE-8142] - Sporadic TestZKProcedureControllers failures on trunk
* [HBASE-8143] - HBase on Hadoop 2 with local short circuit reads (ssr) causes OOM
* [HBASE-8144] - Limit number of attempts to assign a region
* [HBASE-8146] - IntegrationTestBigLinkedList does not work on distributed setup
* [HBASE-8151] - Decode memstoreTS in HFileReaderV2 only when necessary
* [HBASE-8158] - Backport HBASE-8140 "TableMapReduceUtils#addDependencyJar fails when nested inside another MR job"
* [HBASE-8160] - HMaster#move doesn't check if master initialized
* [HBASE-8161] - setting blocking file count on table level doesn't work
* [HBASE-8162] - Fix import of hbase-default.xml into refguide; broke
* [HBASE-8164] - TestTableLockManager fails intermittently in trunk builds
* [HBASE-8165] - Move to Hadoop 2.1.0-beta from 2.0.x-alpha (WAS: Update our protobuf to 2.5 from 2.4.1)
* [HBASE-8166] - Avoid writing the memstoreTS into HFiles when possible
* [HBASE-8169] - TestMasterFailover#testMasterFailoverWithMockedRITOnDeadRS may fail due to regions randomly assigned to a RS
* [HBASE-8170] - HbaseAdmin.createTable cannot handle creating three regions
* [HBASE-8173] - HMaster#move wraps IOException in UnknownRegionException
* [HBASE-8175] - Include javadoc and book when site goal invoked
* [HBASE-8178] - IPCUtil produces a LOT of WARN log spew
* [HBASE-8179] - JSON formatting for cluster status is sort of broken
* [HBASE-8187] - trunk/0.95 tarball packaging
* [HBASE-8188] - Avoid unnecessary row compare in StoreScanner
* [HBASE-8191] - Documentation is not giving the right class name for offline merges.
* [HBASE-8192] - Logic errror causes infinite loop in HRegion.bulkLoadHFiles(List)
* [HBASE-8195] - hbase.table.archive.directory reference should be removed from hbase-default.xml
* [HBASE-8200] - Integration Test classes are not part of the default HBase classpath
* [HBASE-8203] - master ui should display region servers with host, port plus startcode
* [HBASE-8207] - Replication could have data loss when machine name contains hyphen "-"
* [HBASE-8208] - In some situations data is not replicated to slaves when deferredLogSync is enabled
* [HBASE-8213] - global authorization may lose efficacy
* [HBASE-8222] - User class should implement equals() and hashCode()
* [HBASE-8229] - Replication code logs like crazy if a target table cannot be found.
* [HBASE-8231] - delete tests in table_tests.rb(TestShell) always running on empty table.
* [HBASE-8236] - Set finalName property in hbase-assembly else basename is hbase-assembly rather than hbase.
* [HBASE-8238] - xref docs missing from site gen
* [HBASE-8242] - Unable to start HBase 0.95.0RC0 out of the box because of ZK trying to access /var/folders/
* [HBASE-8252] - Regions by Region Server table in Master's table view needs styling
* [HBASE-8254] - Add lz4 to test compression util usage string
* [HBASE-8262] - Add testcase to verify HBASE-7876's empty region split semantics change
* [HBASE-8266] - Master cannot start if TableNotFoundException is thrown while partial table recovery
* [HBASE-8278] - Log message after Memstore flush is always with sequence id -1
* [HBASE-8279] - Performance Evaluation does not consider the args passed in case of more than one client
* [HBASE-8282] - User triggered flushes does not allow compaction to get triggered even if compaction criteria is met
* [HBASE-8285] - HBaseClient never recovers for single HTable.get() calls with no retries when regions move
* [HBASE-8287] - TestRegionMergeTransactionOnCluster failed in trunk build #4010
* [HBASE-8289] - TestThreads#testSleepWithoutInterrupt should not expect a bounded wait time
* [HBASE-8290] - TestHTableMultiplexer is flaky
* [HBASE-8293] - Move BigDecimalColumnInterpreter into hbase-client
* [HBASE-8295] - TestMasterFailover.testMasterFailoverWithMockedRITOnDeadRS is flaky.
* [HBASE-8299] - ExploringCompactionPolicy can get stuck in rare cases.
* [HBASE-8300] - TestSplitTransaction fails to delete files due to open handles left when region is split
* [HBASE-8303] - Increse the test timeout to 60s when they are less than 20s
* [HBASE-8305] - Too much logs in the some tests
* [HBASE-8312] - TestCompactionState - still timeouting
* [HBASE-8314] - HLogSplitter can retry to open a 0-length hlog file
* [HBASE-8317] - Seek returns wrong result with PREFIX_TREE Encoding
* [HBASE-8321] - Log split worker should heartbeat to avoid timeout when the hlog is under recovery
* [HBASE-8325] - ReplicationSource read a empty HLog throws EOFException
* [HBASE-8326] - mapreduce.TestTableInputFormatScan times out frequently
* [HBASE-8327] - Consolidate class loaders
* [HBASE-8334] - Enable essential column family support by default
* [HBASE-8336] - PooledHTable may be returned multiple times to the same pool
* [HBASE-8341] - RestoreSnapshotHandler.prepare() is not called by SnapshotManager and TakeSnapshotHandler should first acquire the table lock
* [HBASE-8346] - Prefetching .META. rows in case only when useCache is set to true
* [HBASE-8351] - Minor typo in Bytes IllegalArgumentException throw
* [HBASE-8352] - Rename '.snapshot' directory
* [HBASE-8355] - BaseRegionObserver#pre(Compact|Flush|Store)ScannerOpen returns null
* [HBASE-8359] - Too much logs on HConnectionManager
* [HBASE-8360] - In HBaseClient#cancelConnections we should close fully the connection
* [HBASE-8366] - HBaseServer logs the full query.
* [HBASE-8373] - Update Rolling Restart documentation
* [HBASE-8374] - NullPointerException when launching the balancer due to unknown region location
* [HBASE-8377] - IntegrationTestBigLinkedList calculates wrap for linked list size incorrectly
* [HBASE-8379] - bin/graceful_stop.sh does not return the balancer to original state
* [HBASE-8380] - NPE in HBaseClient$Connection.readResponse
* [HBASE-8385] - [SNAPSHOTS]: Restore fails to restore snapshot of a deleted table
* [HBASE-8390] - Trunk/0.95 cannot simply compile against Hadoop 1.0
* [HBASE-8391] - StochasticLoadBalancer doesn't call needsBalance
* [HBASE-8393] - Testcase TestHeapSize#testMutations is wrong
* [HBASE-8396] - balancerSwitch making two zookeeper calls everytime.
* [HBASE-8402] - ScanMetrics depends on number of rpc calls to the server.
* [HBASE-8404] - Extra commas in LruBlockCache.logStats
* [HBASE-8406] - Fix rat check and rat warning in trunk
* [HBASE-8407] - Remove Async HBase from 0.95 and trunk.
* [HBASE-8413] - Snapshot verify region will always fail if the HFile has been archived
* [HBASE-8421] - hbase-0.95.0 tgz does not include lib/junit*.jar
* [HBASE-8422] - Master won't go down. Stuck waiting on .META. to come on line.
* [HBASE-8425] - Per-region memstore size is missing in the new RS web UI
* [HBASE-8426] - Opening a region failed on "Metrics source RegionServer,sub=Regions already exists!"
* [HBASE-8427] - Apache Rat is incorrectly excluding test source files
* [HBASE-8431] - Fix missing headers
* [HBASE-8432] - a table with unbalanced regions will balance indefinitely with the 'org.apache.hadoop.hbase.master.DefaultLoadBalancer'
* [HBASE-8433] - CellComparator#compare returns incorrect result for faked KeyValue
* [HBASE-8436] - SeekBefore returns wrong result with PREFIX_TREE Encoding
* [HBASE-8437] - Clean up tmp coprocessor jars
* [HBASE-8449] - Refactor recoverLease retries and pauses informed by findings over in hbase-8389
* [HBASE-8451] - MetricsMBeanBase has concurrency issues in init
* [HBASE-8456] - HBase Windows scripts fail when there's a blank space in JAVA_HOME
* [HBASE-8462] - Custom timestamps should not be allowed to be negative
* [HBASE-8464] - FastDiffEncoder - valueOffset calculation is incorrect
* [HBASE-8466] - Netty messages in the logs
* [HBASE-8468] - IntegrationTestImportTsv fails on a cluster
* [HBASE-8472] - mvn -Dhadoop.profile=2.0 -Dhadoop-two.version=2.0.5-SNAPSHOT fails because of Undef Class error wrt o.a.h.IdGenerator
* [HBASE-8483] - HConnectionManager can leak ZooKeeper connections when using deleteStaleConnection
* [HBASE-8488] - HBase transitive dependencies not being pulled in when building apps like Flume which depend on HBase
* [HBASE-8494] - TestRemoteAdmin#testClusterStatus should not assume 'requests' does not change
* [HBASE-8505] - References to split daughters should not be deleted separately from parent META entry
* [HBASE-8507] - HLog tool documentation should be updated to use FSHLog for trunk and 0.95.
* [HBASE-8509] - ZKUtil#createWithParents won't set data during znode creation when parent folder doesn't exit
* [HBASE-8510] - HBASE-8469 added a hdfs-site.xml file for tests but it gets included in the test jar
* [HBASE-8516] - FSUtils.create() fail with ViewFS
* [HBASE-8519] - Backup master will never come up if primary master dies during initialization
* [HBASE-8522] - Archived hfiles and old hlogs may be deleted immediately by HFileCleaner, LogCleaner in HMaster
* [HBASE-8525] - Use sleep multilier when choosing sinks in ReplicationSource
* [HBASE-8529] - checkOpen is missing from multi, mutate, get and multiGet etc.
* [HBASE-8530] - Refine error message from ExportSnapshot when there is leftover snapshot in target cluster
* [HBASE-8531] - TestZooKeeper fails in trunk/0.95 builds
* [HBASE-8532] - [Webui] Bootstrap based webui compatibility for IE and also fix some page format issues.
* [HBASE-8536] - Possible NullPointerException in ZKInterProcessLockBase#reapExpiredLocks
* [HBASE-8537] - Dead region server pulled in from ZK
* [HBASE-8539] - Double(or tripple ...) ZooKeeper listeners of the same type when Master recovers from ZK SessionExpiredException
* [HBASE-8540] - SnapshotFileCache logs too many times if snapshot dir doesn't exists
* [HBASE-8545] - Meta stuck in transition when it is assigned to a just restarted dead region sever
* [HBASE-8547] - Fix java.lang.RuntimeException: Cached an already cached block
* [HBASE-8548] - postOpen hook called twice
* [HBASE-8555] - FilterList correctness may be affected by random ordering of sub-filter(list)
* [HBASE-8560] - TestMasterShutdown failing in trunk 0.95/trunk -- "Unable to get data of znode /hbase/meta-region-server because node does not exist (not an error)"
* [HBASE-8564] - TestMetricsRegionServer depends on test order
* [HBASE-8565] - stop-hbase.sh clean up: backup master
* [HBASE-8567] - TestDistributedLogSplitting#testLogReplayForDisablingTable fails on hadoop 2.0
* [HBASE-8568] - Test case TestDistributedLogSplitting#testWorkerAbort failed intermittently
* [HBASE-8570] - CompactSplitThread logs a CompactSplitThread$CompactionRunner but it does not have a toString
* [HBASE-8577] - TestZooKeeper#testLogSplittingAfterMasterRecoveryDueToZKExpiry failed intermittently
* [HBASE-8579] - TestDelayedRpc falis from time to time
* [HBASE-8581] - rpc refactor dropped passing the operation timeout through to the rpcclient
* [HBASE-8582] - Possible NullPointerException in ZKInterProcessLockBase#visitLocks
* [HBASE-8586] - Revisit of hbase-8483, "HConnectionManager can leak ZooKeeper connections when using deleteStaleConnection"
* [HBASE-8592] - [documentation] some updates for the reference guide regarding recent questions on the ML
* [HBASE-8596] - [docs] Add docs about Region server "draining" mode
* [HBASE-8597] - compaction record (probably) can block WAL cleanup forever if region is closed without edits
* [HBASE-8600] - Bunch of log lines from QosFunction: Marking normal priority after
* [HBASE-8602] - Ugly stack trace just because regionserver comes up before master....
* [HBASE-8606] - Meta scanner is not closed
* [HBASE-8615] - HLog Compression may fail due to Hadoop fs input stream returning partial bytes
* [HBASE-8621] - More log edits; we log too much
* [HBASE-8622] - Remove ' You are currently running the HMaster without HDFS append support enabled. This may result in data loss. Please see the HBase wiki for details. ' from UI
* [HBASE-8624] - bin/local-{master-backup|regionservers}.sh doesn't take --config arg
* [HBASE-8627] - HBCK can not fix meta not assigned issue
* [HBASE-8631] - Meta Region First Recovery
* [HBASE-8634] - Fix potential null pointer dereference in HRegionServer and TableLockChecker
* [HBASE-8637] - IntegrationTestBigLinkedListWithChaosMonkey uses the wrong table name
* [HBASE-8639] - Poor performance of htable#getscanner in multithreaded environment due to DNS.getDefaultHost() being called in ScannerCallable#prepare()
* [HBASE-8640] - ServerName in master may not initialize with the configured ipc address of hbase.master.ipc.address
* [HBASE-8641] - IndexBuilder example : CF name of the src table is hard coded
* [HBASE-8649] - Private method HStore#createWriterInTmp(long) is never called
* [HBASE-8650] - HRegionServer#updateRecoveringRegionLastFlushedSequenceId(HRegion) makes inefficient use of keySet iterator instead of entrySet iterator
* [HBASE-8651] - Result of integer multiplication cast to long in HRegionFileSystem#sleepBeforeRetry()
* [HBASE-8652] - Number of compacting KVs is not reset at the end of compaction
* [HBASE-8654] - src assembly does not include hbase-hadoop2-compat module
* [HBASE-8658] - hbase clean is deaf to the --config DIR option
* [HBASE-8664] - Small fix ups for memory size outputs in UI
* [HBASE-8666] - META region isn't fully recovered during master initialization when META region recovery had chained failures
* [HBASE-8667] - Master and Regionserver not able to communicate if both bound to different network interfaces on the same machine.
* [HBASE-8672] - Create an Integration test for Bulk Loads
* [HBASE-8678] - Wrongly delete cells in some case which can not be deleted
* [HBASE-8680] - distributedLogReplay performance regression
* [HBASE-8684] - Table Coprocessor can't access external HTable by default
* [HBASE-8686] - Extra left brace in bin/hbase
* [HBASE-8689] - Cover all mutations rather than only Put while reporting for mutations not writing to WAL
* [HBASE-8695] - The HBase thrift service ignores XML configuration
* [HBASE-8698] - potential thread creation in MetaScanner.metaScan
* [HBASE-8699] - Parameter to DistributedFileSystem#isFileClosed should be of type Path
* [HBASE-8701] - distributedLogReplay need to apply wal edits in the receiving order of those edits
* [HBASE-8705] - RS holding META when restarted in a single node setup may hang infinitely without META assignment
* [HBASE-8706] - Some improvement in snapshot
* [HBASE-8710] - The balancer shouldn't try balancing one node
* [HBASE-8711] - Requests count is completely off
* [HBASE-8712] - HFileLinkCleaner (FSUtils.listStatus) logs too much if links do not exists
* [HBASE-8719] - Fix responseTooSlow formatting
* [HBASE-8723] - HBase Intgration tests are failing because of new defaults.
* [HBASE-8729] - distributedLogReplay may hang during chained region server failure
* [HBASE-8732] - HFileBlockDefaultEncodingContext isn't thread-safe but is used by all readers, breaks column encoding
* [HBASE-8733] - Update our hadoop2 in trunk and 0.95 to 2.0.5-alpha (We are currently 2.0.2)
* [HBASE-8741] - Scope sequenceid to the region rather than regionserver (WAS: Mutations on Regions in recovery mode might have same sequenceIDs)
* [HBASE-8742] - HTableDescriptor Properties not preserved when cloning
* [HBASE-8745] - Fix src assembly so includes top-level src dir
* [HBASE-8749] - Potential race condition between FSUtils.renameAndSetModifyTime() and HFile/LogCleaner
* [HBASE-8750] - MetaServerShutdownHandler stucks if .META. assignment fails in previous attempt
* [HBASE-8757] - ZK throws IllegalStateException
* [HBASE-8760] - possible loss of data in snapshot taken after region split
* [HBASE-8762] - Performance/operational penalty when calling HTable.get with a list of one Get
* [HBASE-8780] - A column Family can have VERSIONS less than zero
* [HBASE-8781] - ImmutableBytesWritable constructor with another IBW as param need to consider the offset of the passed IBW
* [HBASE-8782] - Thrift2 can not parse values when using framed transport
* [HBASE-8783] - RSSnapshotManager.ZKProcedureMemberRpcs may be initialized with the wrong server name
* [HBASE-8786] - Creating a table with a Bloom filter on the shell is broken.
* [HBASE-8787] - Merged region endkey is incorrect if one region has null endkey
* [HBASE-8789] - Add max RPC version to meta-region-server zk node.
* [HBASE-8790] - NullPointerException thrown when stopping regionserver
* [HBASE-8791] - Precommit hadoopqa is broke since -r1491656
* [HBASE-8794] - DependentColumnFilter.toString() throws NullPointerException
* [HBASE-8795] - bin/hbase zkcli cannot take arguments anymore
* [HBASE-8797] - Prevent merging regions from moving during online merge
* [HBASE-8798] - Fix a minor bug in shell command with clone_snapshot table error
* [HBASE-8799] - TestAccessController#testBulkLoad failing on trunk/0.95
* [HBASE-8802] - totalCompactingKVs may overflow
* [HBASE-8811] - REST service ignores misspelled "check=" parameter, causing unexpected mutations
* [HBASE-8813] - Fix time b/w recoverLease invocations from HBASE 8449
* [HBASE-8814] - Possible NPE in split if a region has empty store files.
* [HBASE-8849] - CellCodec should write and read the memstoreTS/mvccVersion
* [HBASE-8853] - The client connection is not cut when receiving the failure notification
* [HBASE-8854] - TestScannersFromClientSide.testScanBatch failed with 'There should have room before prefetching is submitted'
* [HBASE-8856] - Crash when attempting split with DelimitedKeyPrefixRegionSplitPolicy
* [HBASE-8864] - Fix 2 javadoc warnings
* [HBASE-8867] - HLogUtils#getServerNameFromHLogDirectoryName does not take into account the -splitting extension
* [HBASE-8869] - incorrect javadoc for CompactionRequest.compareTo()
* [HBASE-8870] - Store.needsCompaction() should include minFilesToCompact
* [HBASE-8871] - The region server can crash at startup
* [HBASE-8874] - PutCombiner is skipping KeyValues while combining puts of same row during bulkload
* [HBASE-8875] - incorrect javadoc for EXCLUDE_FROM_MINOR_COMPACTION
* [HBASE-8877] - Reentrant row locks
* [HBASE-8879] - Client Scanner spams the logs if there are lots of scanners.
* [HBASE-8880] - Integration Tests shouldn't set the number or reties.
* [HBASE-8882] - Create an Integration Test to Test MTTR
* [HBASE-8899] - Could not open a region on a server where it is being closed
* [HBASE-8902] - IntegrationTestBulkLoad takes way too long
* [HBASE-8904] - Clean up IntegrationTestMTTR and add small features.
* [HBASE-8909] - HBASE-6170 broke "hbase.regionserver.lease.period" config, we should support it for BC
* [HBASE-8910] - HMaster.abortNow shouldn't try to become a master again if it was stopped
* [HBASE-8913] - Remove ".replogs" reference as we no longer use it
* [HBASE-8917] - Minor cleanup and fixes for POM
* [HBASE-8920] - TestZKBasedOpenCloseRegion.testReOpenRegion fails occasionally
* [HBASE-8924] - Master Can fail to come up after chaos monkey if the sleep time is too short.
* [HBASE-8930] - Filter evaluates KVs outside requested columns
* [HBASE-8933] - TestSplitTransactionOnCluster fails because "Region not moved off .META. server"
* [HBASE-8944] - Document workaround for MiniDFSCluster exceptions when running tests
* [HBASE-8952] - Missing error handling can cause RegionServer RPC thread to busy loop forever
* [HBASE-8955] - TestStochasticLoadBalancer timedout
* [HBASE-8956] - A couple of small misspellings thoughout the codebase.
* [HBASE-8957] - TestDrainingServer. testDrainingServerWithAbort fails
* [HBASE-8967] - Duplicate call to snapshotManager.stop() in HRegionServer
* [HBASE-8972] - TestCreateTableHandler.testMasterRestartAfterEnablingNodeIsCreated failed
* [HBASE-8975] - NPE/HTTP 500 when opening the master's web UI too early
* [HBASE-8981] - add a check on the ServerName parse
* [HBASE-8982] - Useless logs in ipc.RpcClient$Connection(584): Not able to close an output stream
* [HBASE-8983] - HBaseConnection#deleteAllConnections does not always delete
* [HBASE-8985] - Not enough logging in SplitLogManager
* [HBASE-8987] - ProtobufUtil.toException doesn't handle plain RemoteException, gets a NoSuchMethodException
* [HBASE-8988] - Reuse the thread pool in the shell to not run out of threads
* [HBASE-8998] - TestSnapshotCloneIndependence.testOnlineSnapshotMetadataChangesIndependent fails
* [HBASE-9006] - RPC code requires cellBlockCodecClass even though one is defined by default
* [HBASE-9008] - Reenable TestReplicationKillSlaveRS.killOneSlaveRS
* [HBASE-9016] - Cleanup of HRegion (javadoc, unnecessary inits, unnecessary unboxing)
* [HBASE-9021] - Create a unit test for ReplicationHLogReaderManager
* [HBASE-9023] - TestIOFencing.testFencingAroundCompactionAfterWALSync occasionally fails
* [HBASE-9031] - ImmutableBytesWritable.toString() should downcast the bytes before converting to hex string
* [HBASE-9034] - hbase-daemon.sh swallows start up errors
* [HBASE-9035] - Incorrect example for using a scan stopRow in HBase book
* [HBASE-9036] - Few small code cleanup
* [HBASE-9038] - Compaction WALEdit gives NPEs with Replication enabled
* [HBASE-9044] - Merging regions throws NPE
* [HBASE-9048] - HCM throws NullPointerException under load
* [HBASE-9052] - Prevent split/merged region from assigning again
* [HBASE-9055] - HBaseAdmin#isTableEnabled() should return false for non-existent table
* [HBASE-9060] - ExportSnapshot job fails if target path contains percentage character
* [HBASE-9079] - FilterList getNextKeyHint skips rows that should be included in the results
* [HBASE-9085] - Integration Tests fails because of bug in teardown phase where the cluster state is not being restored properly.
* [HBASE-9087] - Handlers being blocked during reads
* [HBASE-9088] - TestSplitLogManager.testMultipleResubmits fails
* [HBASE-9092] - OpenRegion could be ignored by mistake
* [HBASE-9096] - Disable split during log replay
* [HBASE-9097] - Set HBASE_CLASSPATH before rest of the classpath
* [HBASE-9099] - logReplay could trigger double region assignment
* [HBASE-9115] - HTableInterface.append operation may overwrites values
* [HBASE-9119] - hbase.mapreduce.hfileoutputformat.blocksize should configure with blocksize of a table
* [HBASE-9120] - ClassFinder logs errors that are not
* [HBASE-9138] - getHaseIntegrationTestingUtility() is misspelled
* [HBASE-9144] - Leases class has contention that's not needed
* [HBASE-9146] - TestHTablePool hangs when run as part of runMediumTests profile
* [HBASE-9151] - HBCK cannot fix when meta server znode deleted, this can happen if all region servers stopped and there are no logs to split.
* [HBASE-9152] - Not able to find HMaster and HRegionServer processes with grep by process name on ps result because of large classpath as argument.
* [HBASE-9156] - 2000ms timeout for some client calls
* [HBASE-9158] - Serious bug in cyclic replication
* [HBASE-9173] - replication_admin#get_peer_state(id) in ruby script pointing to undefined method `getPeerState'
* [HBASE-9174] - javac hangs compiling hbase-example module since namespaces went in
* [HBASE-9177] - Cluster UUID is not properly parsable after rewriting to PB.
* [HBASE-9181] - Fix javadoc warnings introduce by namespaces
* [HBASE-9182] - Allow non-admin users to list all table names
* [HBASE-9184] - Ignore zk assign event if region is not known in transition
* [HBASE-9185] - mvn site target fails when building with Maven 3.1
* [HBASE-9189] - IncreasingToUpperBoundRegionSplitPolicy.shouldSplit() should check all the stores before returning.
* [HBASE-9190] - Update scan.rb description to match the naming convention of META after namespace change
* [HBASE-9192] - IntegrationTestBigLinkedListWithChaosMonkey never exits if there is an error
* [HBASE-9195] - Fix TestFSHDFSUtils against java7 test re-ordering
* [HBASE-9197] - TestAdmin#testShouldCloseTheRegionBasedOnTheEncodedRegionName shuts down the namespaces table and never starts it up again
* [HBASE-9198] - RpcClient#call could hang
* [HBASE-9199] - Call duration is not accurate
* [HBASE-9200] - HFilePrettyPrinter finds incorrect largest row
* [HBASE-9204] - An Offline SplitParent Region can be assigned breaking split references
* [HBASE-9211] - "ERROR: undefined method `message' for nil:NilClass" in the shell on error
* [HBASE-9224] - Print out name of the method we do not support rather than throw NPE
* [HBASE-9226] - Thrift host and port are hardcoded in thrift2 DemoClient.java
* [HBASE-9230] - Fix the server so it can take a pure pb request param and return a pure pb result
* [HBASE-9232] - Fix javadoc warning and a few findbugs items.
* [HBASE-9233] - isTableAvailable() may be stuck if an offline parent was never assigned
* [HBASE-9234] - Rebuilding user regions should ignore system tables
* [HBASE-9236] - region_mover#getTable() should use TableName.toString() instead of Bytes.toString()
* [HBASE-9237] - Integration test cleanup after ChaosMonkey refactor
* [HBASE-9250] - Lease sleep time can throw an exception
* [HBASE-9251] - list_namespace_tables seems to fail
* [HBASE-9253] - Clean up IT test code
* [HBASE-9255] - TestAsyncProcess#testErrorsServers is flaky on suse linux
* [HBASE-9257] - TestAsyncProcess#testFailAndSuccess fails sometime due to a race condition
* [HBASE-9267] - StochasticLoadBalancer goes over its processing time limit
* [HBASE-9268] - Client doesn't recover from a stalled region server
* [HBASE-9269] - IntegrationTestBulkLoad fails because a public constructor is needed.
* [HBASE-9271] - Doc the major differences between 0.94 and 0.96; a distillation of release notes for those w/ limited attention
* [HBASE-9274] - After HBASE-8408 applied, temporary test files are being left in /tmp/hbase-<user>
* [HBASE-9278] - Reading Pre-namespace meta table edits kills the reader
* [HBASE-9281] - user_permission command encounters NullPointerException
* [HBASE-9283] - Struct and StructIterator should properly handle trailing nulls
* [HBASE-9285] - User who created table cannot scan the same table due to Insufficient permissions
* [HBASE-9289] - hbase-assembly pom should use project.parent.basedir
* [HBASE-9290] - Add logging in IntegrationTestBigLinkedList Verify reduce phase
* [HBASE-9296] - Update to bootstrap 3.0
* [HBASE-9298] - ns checker runs too frequently; too much mention in master logs
* [HBASE-9301] - Default hbase.dynamic.jars.dir to hbase.rootdir/jars
* [HBASE-9302] - Column family and qualifier should be allowed to be set as null in grant shell command
* [HBASE-9303] - Snapshot restore of table which splits after snapshot was taken encounters 'Region is not online'
* [HBASE-9307] - HalfStoreFileReader needs to handle the faked key else compactions go into infinite loops
* [HBASE-9308] - Fix precommit javadoc warnings
* [HBASE-9309] - The links in the backup masters template are bad
* [HBASE-9310] - Remove slop for Stochastic load balancer
* [HBASE-9312] - Lower StochasticLoadBalancer's default max run time
* [HBASE-9318] - Procedure#waitForLatch may not throw error even there is one
* [HBASE-9319] - Apply 'HBASE-7685 Closing socket connection can't be removed from SecureClient' to trunk
* [HBASE-9320] - Up timeouts on NamespaceUpgrades timeouts
* [HBASE-9321] - Contention getting the current user in RpcClient$Connection.writeRequest
* [HBASE-9322] - Contention on the SoftValueSortedMap with multiple clients
* [HBASE-9323] - TestHRegionOnCluster fails
* [HBASE-9326] - ServerName is created using getLocalSocketAddress, breaks binding to the wildcard address. Revert HBASE-8640
* [HBASE-9327] - retryTime log is confusing
* [HBASE-9328] - Table web UI is corrupted sometime
* [HBASE-9329] - SnapshotManager should check for directory existance before throwing a warning.
* [HBASE-9332] - OrderedBytes does not decode Strings correctly
* [HBASE-9337] - shell 'user_permission' throws no method 'toStringBinary' for (o.a.h.h.TableName)
* [HBASE-9338] - Test Big Linked List fails on Hadoop 2.1.0
* [HBASE-9340] - revoke 'user' throws ArrayIndexOutOfBoundsException
* [HBASE-9344] - RegionServer not shutting down upon KeeperException in open region
* [HBASE-9346] - HBCK should provide an option to check if regions boundaries are the same in META and in stores.
* [HBASE-9348] - TerminatedWrapper error decoding, skipping skippable types
* [HBASE-9350] - In ChaosMonkey, MoveRegionsOfTableAction throws UnknownRegionException
* [HBASE-9353] - HTable returned by MetaReader#getMetaHTable() is not closed in MetaEditor#addRegionToMeta()
* [HBASE-9364] - Get request with multiple columns returns partial results
* [HBASE-9366] - TestHTraceHooks.testTraceCreateTable ConcurrentModificationException up in htrace lib
* [HBASE-9372] - Restore HConstants.META_TABLE_NAME as deprecated
* [HBASE-9375] - [REST] Querying row data gives all the available versions of a column
* [HBASE-9380] - StoreFile.Reader is not being closed on memstore flush
* [HBASE-9382] - replicateWALEntry doesn't use the replication handlers
* [HBASE-9384] - [WINDOWS] Using file://{hbase.tmp.dir}/hbase for hbase.rootdir causes illegal argument exception on windows
* [HBASE-9386] - [WINDOWS] Small improvements to .cmd scripts
* [HBASE-9387] - Region could get lost during assignment
* [HBASE-9388] - [replication] ZK Dump prints the raw PBUF for the HLog positions
* [HBASE-9390] - coprocessors observers are not called during a recovery with the new log replay algorithm
* [HBASE-9391] - Compilation problem in AccessController with JDK 6
* [HBASE-9394] - [replication] size accounting is completely off in the source
* [HBASE-9400] - [UI] Catalog tables section isn't aligned
* [HBASE-9402] - initCause() uses wrong exception in ProtobufLogReader#readNext(HLog$Entry)
* [HBASE-9411] - Increment / decrement of rpcCount in RpcServer#Connection is not protected by synchronization
* [HBASE-9412] - Startup scripts create 2 .out files.
* [HBASE-9413] - WebUI says ".META." table but table got renames to "hbase:meta". Meed to update the UI.
* [HBASE-9414] - start-hbase.cmd doesn't need the execute flag.
* [HBASE-9418] - REST server web UI has some dead links
* [HBASE-9419] - Add more informative client column to Integration Test Linked List
* [HBASE-9420] - Math.max() on syncedTillHere lacks synchronization
* [HBASE-9421] - Provide better error message when dropping non-existent namespace
* [HBASE-9423] - Log splitting should not start till HDFS out of safe mode
* [HBASE-9425] - Starting a LocalHBaseCluster when 2181 is occupied results in "Too many open files"
* [HBASE-9428] - Regex filters are at least an order of magnitude slower since 0.94.3
* [HBASE-9430] - Memstore heapSize calculation - DEEP_OVERHEAD is incorrect
* [HBASE-9433] - OpenRegionHandler uses different assignment timeout
* [HBASE-9434] - hbck tries to sideline file to root dir
* [HBASE-9435] - Fix jersey serialization/deserialization of json objects
* [HBASE-9436] - hbase.regionserver.handler.count default: 5, 10, 25, 30? pick one
* [HBASE-9437] - hbase.regionserver.checksum.verify default: true or false
* [HBASE-9439] - shell command list shows something not meaningful
* [HBASE-9442] - HLogKey(walKey) constructor needs to be either removed, deprecated or fixed
* [HBASE-9446] - saveVersion.sh spit pushd: not found popd: not found
* [HBASE-9449] - document how to use shell enhancements from HBASE-5548
* [HBASE-9450] - TestDistributedLogSplitting fails
* [HBASE-9451] - Meta remains unassigned when the meta server crashes with the ClusterStatusListener set
* [HBASE-9452] - Simplify the configuration of the multicast notifier
* [HBASE-9453] - make dev-support/generate-hadoopX-poms.sh have exec perms.
* [HBASE-9454] - HBaseAdmin#unassign() has incorrect @param argument
* [HBASE-9457] - Master could fail start if region server with system table is down
* [HBASE-9460] - Fix HLogPerformanceEvaluation so runs against localfs
* [HBASE-9461] - Some doc and cleanup in RPCServer
* [HBASE-9462] - HBaseAdmin#isTableEnabled() should throw exception for non-existent table
* [HBASE-9463] - Fix comments around alter tables
* [HBASE-9468] - Previous active master can still serves RPC request when it is trying recovering expired zk session
* [HBASE-9471] - htrace synchronized on getInstance
* [HBASE-9474] - Cleanup of hbase script usage
* [HBASE-9475] - Fix pom warnings found by new m2eclipse
* [HBASE-9476] - Yet more master log cleanup
* [HBASE-9480] - Regions are unexpectedly made offline in certain failure conditions
* [HBASE-9482] - Do not enforce secure Hadoop for secure HBase
* [HBASE-9485] - TableOutputCommitter should implement recovery if we don't want jobs to start from 0 on RM restart
* [HBASE-9486] - NPE in HTable.close() with AsyncProcess
* [HBASE-9492] - hdfs-site.xml is not excluded from the it-test jar
* [HBASE-9497] - Old .META. .tableinfo file kills HMaster
* [HBASE-9498] - NPE in HBaseAdmin if master not running
* [HBASE-9502] - HStore.seekToScanner should handle magic value
* [HBASE-9508] - Restore some API mistakenly removed in client, mapred*, and common
* [HBASE-9509] - Fix HFile V1 Detector to handle AccessControlException for non-existant files
* [HBASE-9510] - Namespace operations should throw clean exceptions
* [HBASE-9511] - LZ4 codec retrieval executes redundant code
* [HBASE-9512] - Regions can't get out InRecovery state sometimes when turn off distributeLogReplay and restart a cluster
* [HBASE-9514] - Prevent region from assigning before log splitting is done
* [HBASE-9519] - fix NPE in EncodedScannerV2.getFirstKeyInBlock()
* [HBASE-9521] - clean clearBufferOnFail behavior and deprecate it
* [HBASE-9525] - "Move" region right after a region split is dangerous
* [HBASE-9533] - List of dependency jars for MR jobs is hard-coded and does not include netty, breaking MRv1 jobs
* [HBASE-9534] - Short-Circuit Coprocessor HTable access when on the same server
* [HBASE-9536] - Fix minor javadoc warnings
* [HBASE-9539] - Handle post namespace snapshot files when checking for HFile V1
* [HBASE-9547] - Surefire steals focus on mac osx
* [HBASE-9548] - Cleanup SnapshotTestingUtils
* [HBASE-9549] - KeyValue#parseColumn(byte[]) does not handle empty qualifier
* [HBASE-9550] - IntegrationTestBigLinkedList used to be able to run on pseudo-distributed clusters
* [HBASE-9551] - HBaseTestingUtility#createPreSplitLoadTestTable double close HBaseAdmin
* [HBASE-9554] - TestOfflineMetaRebuildOverlap#testMetaRebuildOverlapFail fails due to NPE
* [HBASE-9555] - Reset loadbalancer back to StochasticLoadBalancer
* [HBASE-9557] - strange dependencies for hbase-client
* [HBASE-9558] - PerformanceEvaluation is in hbase-server, and create a dependency to MiniDFSCluster
* [HBASE-9561] - hbase-server-tests.jar contains a test mapred-site.xml
* [HBASE-9563] - Autorestart doesn't work if zkcleaner fails
* [HBASE-9565] - LocalityRegionPicker was mistakenly commented out
* [HBASE-9569] - TestHLog is broken
* [HBASE-9579] - Sanity check visiblity and audience for server-side modules.
* [HBASE-9581] - Few tests broken since HBASE-9551
* [HBASE-9590] - TableEventHandler#reOpenAllRegions() should close the HTable instance
* [HBASE-9597] - Create hbase-thrift module
* [HBASE-9598] - Non thread safe increment of task.unforcedResubmits in SplitLogManager#resubmit()
* [HBASE-9600] - TestColumnSchemaModel and TestTableSchemaModel test cases are failing with IBM IBM Java 6
* [HBASE-9602] - Cluster can't start when log splitting at startup time and the master's web UI is refreshed a few times
* [HBASE-9603] - IsRestoreSnapshotDoneResponse has wrong default causing restoreSnapshot() to be async
* [HBASE-9609] - AsyncProcess doesn't increase all the counters when trying to limit the per region flow.
* [HBASE-9610] - TestThriftServer.testAll failing
* [HBASE-9612] - Ability to batch edits destined to different regions
* [HBASE-9632] - Put the shell in a maven sub module (hbase-shell) instead of hbase-server
* [HBASE-9633] - Partial reverse of HBASE-9533
* [HBASE-9639] - SecureBulkLoad dispatches file load requests to all Regions
* [HBASE-9640] - Increment of loadSequence in CoprocessorHost#loadInstance() is thread-unsafe
* [HBASE-9642] - AM ZK Workers stuck doing 100% CPU on HashMap.put
* [HBASE-9645] - Regionserver halt because of HLog's "Logic Error Snapshot seq id from earlier flush still present!"
* [HBASE-9647] - Add a test in TestAsyncProcess to check the number of threads created
* [HBASE-9649] - HFilePrettyPrinter should not throw a NPE if FirstKey or LastKey is null.
* [HBASE-9650] - Per region metrics are not showing up for system tables.
* [HBASE-9653] - Add compaction metrics to trunk
* [HBASE-9659] - some integration tests can no longer be run using maven
* [HBASE-9660] - Release source tarball should contain ./dev-support contents.
* [HBASE-9662] - PerformanceEvaluation input do not handle tags properties
* [HBASE-9663] - PerformanceEvaluation does not properly honor specified table name parameter
* [HBASE-9670] - Client pause should be 100ms everywhere
* [HBASE-9672] - LoadTestTool NPE's when -num_tables is given, but -tn is not
* [HBASE-9676] - AsyncProcess can create more tasks than hbase.client.max.total.tasks
* [HBASE-9685] - IntegrationTestMTTR should stop on RetriesExhaustedException
* [HBASE-9687] - ClassNotFoundException is thrown when ExportSnapshot runs against hadoop cluster where HBase is not installed on the same node as resourcemanager
* [HBASE-9688] - Fix javadoc warning in HConnectionManager class javadoc
* [HBASE-9694] - HBaseTestingUtility.createTable infinite loop
* [HBASE-9695] - Some never used local variables cleanup.
* [HBASE-9696] - Master recovery ignores online merge znode
* [HBASE-9697] - ZKDataMigrator should exit on table(s) null check.
* [HBASE-9698] - HBCK does not handle tables with no regions left
* [HBASE-9699] - For Downstreamers using HBaseTestingUtility is hard.
* [HBASE-9700] - remove htrace-zipkin from the runtime dependencies
* [HBASE-9706] - Improve detection of secure ZooKeeper
* [HBASE-9709] - LogReplay throws NPE when no KVs to be replayed in a WALEdit
* [HBASE-9710] - Use the region name, not the encoded name, when region is not on current server
* [HBASE-9718] - Add a test scope dependency on org.slf4j:slf4j-api to hbase-client
* [HBASE-9723] - TestAsyncProcess#testFailAndSuccess & testThreadCreation are flaky on SUSE
* [HBASE-9724] - Failed region split is not handled correctly by AM
* [HBASE-9727] - HBase Rest Server - DELETE scanner operation is a no-op
* [HBASE-9728] - generate-hadoopX-poms.sh examples is wrong.
* [HBASE-9730] - Exceptions in multi operations are not handled correctly
* [HBASE-9732] - Static AtomicLong updated in StoreFileScanner every (re)seek
* [HBASE-9735] - region_mover.rb uses the removed HConnection.getZooKeeperWatcher() method
* [HBASE-9737] - Corrupt HFile cause resource leak leading to Region Server OOM
* [HBASE-9743] - RollingBatchRestartRsAction aborts if timeout
* [HBASE-9745] - Append HBASE_CLASSPATH to end of Java classpath and use another env var for prefix
* [HBASE-9747] - PrefixFilter with OR condition gives wrong results
* [HBASE-9748] - Address outstanding comments raised for HBASE-9696
* [HBASE-9751] - Excessive readpoints checks in StoreFileScanner
* [HBASE-9753] - Excessive readpoint checks in MemstoreScanner
* [HBASE-9754] - Eliminate threadlocal from MVCC code
* [HBASE-9755] - Cannot run classes in hbase-server tests jar from command line
* [HBASE-9759] - Prevent random number collision in IntegrationTestBulkLoad
* [HBASE-9761] - Put copy constructor should clone the operation attributes also
* [HBASE-9765] - TestImportTsv.testBulkOutputWithTsvImporterTextMapper() may not be working correctly
* [HBASE-9766] - HFileV3 - Optional tags write and read is not working as expected
* [HBASE-9768] - Two issues in AsyncProcess
* [HBASE-9770] - HFilePerformanceEvaluation is using the wrong Comparator
* [HBASE-9773] - Master aborted when hbck asked the master to assign a region that was already online
* [HBASE-9776] - Test Load And Verify Fails with TableNotEnabledException
* [HBASE-9785] - Fix heap size reporting in HRegion
* [HBASE-9786] - [hbck]: hbck -metaonly incorrectly reports inconsistent regions after HBASE-9698 fix
* [HBASE-9788] - [WINDOWS] Update rest server class name
* [HBASE-9791] - MR initializes scanner twice
* [HBASE-9792] - Region states should update last assignments when a region is opened.
* [HBASE-9793] - Offline a region before it's closed could cause double assignment
* [HBASE-9796] - npe in RegionServerCallable