HBase Changelog

What's new in HBase 1.1.0

May 19, 2015

Sub-task:
[HBASE-7847] - Use zookeeper multi to clear znodes
[HBASE-10674] - HBCK should be updated to do replica related checks
[HBASE-10942] - support parallel request cancellation for multi-get
[HBASE-11261] - Handle splitting/merging of regions that have region_replication greater than one
[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-11842] - Integration test for async wal replication to secondary regions
[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-12012] - Improve cancellation for the scan RPCs
[HBASE-12511] - namespace permissions - add support from table creation privilege in a namespace 'C'
[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-12708] - Document newly introduced params for using Thrift-over-HTTPS.
[HBASE-12714] - RegionReplicaReplicationEndpoint should not set the RPC Codec
[HBASE-12730] - Backport HBASE-5162 (Basic client pushback mechanism) to branch-1
[HBASE-12735] - Refactor TAG so it can live as unit test and as an integration test
[HBASE-12763] - Make it so there must be WALs for a server to be marked dead
[HBASE-12776] - SpliTransaction: Log number of files to be split
[HBASE-12779] - SplitTransaction: Add metrics
[HBASE-12793] - [hbck] closeRegionSilentlyAndWait() should log cause of IOException and retry until hbase.hbck.close.timeout expires
[HBASE-12802] - Remove unnecessary Table.flushCommits()
[HBASE-12848] - Utilize Flash storage for WAL
[HBASE-12926] - Backport HBASE-12688 (Update site with a bootstrap-based UI) for HBASE-12918
[HBASE-12980] - Delete of a table may not clean all rows from hbase:meta
[HBASE-13006] - Document visibility label support for groups
[HBASE-13067] - Fix caching of stubs to allow IP address changes of restarted remote servers
[HBASE-13108] - Reduce Connection creations in TestAcidGuarantees
[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-13164] - Update TestUsersOperationsWithSecureHadoop to use MiniKdc
[HBASE-13169] - ModifyTable increasing the region replica count should also auto-setup RRRE
[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-13213] - Split out locality metrics among primary and secondary region
[HBASE-13244] - Test delegation token generation with kerberos enabled
[HBASE-13290] - Procedure v2 - client enable/disable table sync
[HBASE-13303] - Fix size calculation of results on the region server
[HBASE-13307] - Making methods under ScannerV2#next inlineable, faster
[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-13386] - Backport HBASE-12601 to all active branches other than master
[HBASE-13421] - Reduce the number of object creations introduced by HBASE-11544 in scan RPC hot code paths
[HBASE-13447] - Bypass logic in TimeRange.compare
[HBASE-13455] - Procedure V2 - master truncate table
[HBASE-13466] - Document deprecations in 1.x - Part 1
[HBASE-13469] - [branch-1.1] Procedure V2 - Make procedure v2 configurable in branch-1.1
[HBASE-13481] - Master should respect master (old) DNS/bind related configurations
[HBASE-13496] - Make Bytes$LexicographicalComparerHolder$UnsafeComparer::compareTo inlineable
[HBASE-13498] - Add more docs and a basic check for storage policy handling
[HBASE-13502] - Deprecate/remove getRowComparator() in TableName
[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-13551] - Procedure V2 - Procedure classes should not be InterfaceAudience.Public
Brainstorming
[HBASE-12859] - New master API to track major compaction completion
Bug
[HBASE-6778] - Deprecate Chore; its a thread per task when we should have one thread to do all tasks
[HBASE-7332] - [webui] HMaster webui should display the number of regions a table has.
[HBASE-8026] - HBase Shell docs for scan command does not reference VERSIONS
[HBASE-8725] - Add total time RPC call metrics
[HBASE-9738] - Delete table and loadbalancer interference
[HBASE-9910] - TestHFilePerformance and HFilePerformanceEvaluation should be merged in a single HFile performance test class.
[HBASE-10499] - In write heavy scenario one of the regions does not get flushed causing RegionTooBusyException
[HBASE-10528] - DefaultBalancer selects plans to move regions onto draining nodes
[HBASE-10728] - get_counter value is never used.
[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-12006] - [JDK 8] KeyStoreTestUtil#generateCertificate fails due to "subject class type invalid"
[HBASE-12028] - Abort the RegionServer, when it's handler threads die
[HBASE-12070] - Add an option to hbck to fix ZK inconsistencies
[HBASE-12102] - Duplicate keys in HBase.RegionServer metrics JSON
[HBASE-12108] - HBaseConfiguration: set classloader before loading xml files
[HBASE-12270] - A bug in the bucket cache, with cache blocks on write enabled
[HBASE-12339] - WAL performance evaluation tool doesn't roll logs
[HBASE-12393] - The regionserver web will throw exception if we disable block cache
[HBASE-12480] - Regions in FAILED_OPEN/FAILED_CLOSE should be processed on master failover
[HBASE-12548] - Improve debuggability of IntegrationTestTimeBoundedRequestsWithRegionReplicas
[HBASE-12574] - Update replication metrics to not do so many map look ups.
[HBASE-12585] - Fix refguide so it does hbase 1.0 style API everywhere with callout on how we used to do it in pre-1.0
[HBASE-12607] - TestHBaseFsck#testParallelHbck fails running against hadoop 2.6.0
[HBASE-12644] - Visibility Labels: issue with storing super users in labels table
[HBASE-12694] - testTableExistsIfTheSpecifiedTableRegionIsSplitParent in TestSplitTransactionOnCluster class leaves regions in transition
[HBASE-12697] - Don't use RegionLocationFinder if localityCost == 0
[HBASE-12711] - Fix new findbugs warnings in hbase-thrift module
[HBASE-12715] - getLastSequenceId always returns -1
[HBASE-12716] - A bug in RegionSplitter.UniformSplit algorithm
[HBASE-12717] - Pre-split algorithm in HBaseAdmin.create() can not find the split point
[HBASE-12718] - Convert TestAcidGuarantees from a unit test to an integration test
[HBASE-12728] - buffered writes substantially less useful after removal of HTablePool
[HBASE-12732] - Log messages in FileLink$FileLinkInputStream#tryOpen are reversed
[HBASE-12734] - TestPerColumnFamilyFlush.testCompareStoreFileCount is flakey
[HBASE-12739] - Avoid too large identifier of ZooKeeperWatcher
[HBASE-12740] - Improve performance of TestHBaseFsck
[HBASE-12741] - AccessController contains a javadoc issue
[HBASE-12742] - ClusterStatusPublisher crashes with a IPv6 network interface.
[HBASE-12743] - [ITBLL] Master fails rejoining cluster stuck splitting logs; Distributed log replay=true
[HBASE-12744] - hbase-default.xml lists hbase.regionserver.global.memstore.size twice
[HBASE-12747] - IntegrationTestMTTR will OOME if launched with mvn verify
[HBASE-12749] - Tighten HFileLink api to enable non-snapshot uses
[HBASE-12750] - getRequestsCount() in ClusterStatus returns total number of request
[HBASE-12767] - Fix a StoreFileScanner NPE in reverse scan flow
[HBASE-12771] - TestFailFast#testFastFail failing
[HBASE-12772] - TestPerColumnFamilyFlush failing
[HBASE-12774] - Fix the inconsistent permission checks for bulkloading.
[HBASE-12781] - thrift2 listen port will bind always to the passed command line address
[HBASE-12782] - ITBLL fails for me if generator does anything but 5M per maptask
[HBASE-12791] - HBase does not attempt to clean up an aborted split when the regionserver shutting down
[HBASE-12798] - Map Reduce jobs should not create Tables in setConf()
[HBASE-12801] - Failed to truncate a table while maintaing binary region boundaries
[HBASE-12804] - ImportTsv fails to delete partition files created by it
[HBASE-12810] - Update to htrace-incubating
[HBASE-12811] - [AccessController] NPE while scanning a table with user not having READ permission on the namespace
[HBASE-12817] - Data missing while scanning using PREFIX_TREE data block encoding
[HBASE-12819] - ExportSnapshot doesn't close FileSystem instances
[HBASE-12824] - CompressionTest fails with org.apache.hadoop.hbase.io.hfile.AbstractHFileReader$NotSeekedException: Not seeked to a key/value
[HBASE-12831] - Changing the set of vis labels a user has access to doesn't generate an audit log event
[HBASE-12832] - Describe table from shell no longer shows Table's attributes, only CF attributes
[HBASE-12833] - [shell] table.rb leaks connections
[HBASE-12835] - HBASE-12422 changed new HTable(Configuration) to not use managed Connections anymore
[HBASE-12837] - ReplicationAdmin leaks zk connections
[HBASE-12844] - ServerManager.isServerReacable() should sleep between retries
[HBASE-12845] - ByteBufferOutputStream should grow as direct buffer if the initial buffer is also direct BB
[HBASE-12847] - TestZKLessSplitOnCluster frequently times out in 0.98 builds
[HBASE-12849] - LoadIncrementalHFiles should use unmanaged connection in branch-1
[HBASE-12862] - Uppercase "wals" in RegionServer webUI
[HBASE-12863] - Master info port on RS UI is always 0
[HBASE-12864] - IntegrationTestTableSnapshotInputFormat fails
[HBASE-12867] - Shell does not support custom replication endpoint specification
[HBASE-12878] - Incorrect HFile path in TestHFilePerformance print output (fix for easier debugging)
[HBASE-12881] - TestFastFail is not compatible with surefire.rerunFailingTestsCount
[HBASE-12886] - Correct tag option name in PerformanceEvaluation
[HBASE-12892] - Add a class to allow taking a snapshot from the command line
[HBASE-12897] - Minimum memstore size is a percentage
[HBASE-12898] - Add in used undeclared dependencies
[HBASE-12901] - Possible deadlock while onlining a region and get region plan for other region run parallel
[HBASE-12904] - Threading issues in region_mover.rb
[HBASE-12908] - Typos in MemStoreFlusher javadocs
[HBASE-12915] - Disallow small scan with batching
[HBASE-12916] - No access control for replicating WAL entries
[HBASE-12917] - HFilePerformanceEvaluation Scan tests fail with StackOverflowError due to recursive call in createCell function
[HBASE-12918] - Backport asciidoc changes
[HBASE-12919] - Compilation with Hadoop-2.4- is broken again
[HBASE-12924] - HRegionServer#MovedRegionsCleaner Chore does not start
[HBASE-12927] - TestFromClientSide#testScanMetrics() failing due to duplicate createTable commands
[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-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-12956] - Binding to 0.0.0.0 is broken after HBASE-10569
[HBASE-12958] - SSH doing hbase:meta get but hbase:meta not assigned
[HBASE-12961] - Negative values in read and write region server metrics
[HBASE-12962] - TestHFileBlockIndex.testBlockIndex() commented out during HBASE-10531
[HBASE-12964] - Add the ability for hbase-daemon.sh to start in the foreground
[HBASE-12966] - NPE in HMaster while recovering tables in Enabling state
[HBASE-12969] - Parameter Validation is not there for shell script, local-master-backup.sh and local-regionservers.sh
[HBASE-12971] - Replication stuck due to large default value for replication.source.maxretriesmultiplier
[HBASE-12976] - Set default value for hbase.client.scanner.max.result.size
[HBASE-12978] - Region goes permanently offline (WAS: hbase:meta has a row missing hregioninfo and it causes my long-running job to fail)
[HBASE-12984] - SSL cannot be used by the InfoPort after removing deprecated code in HBASE-10336
[HBASE-12985] - Javadoc warning and findbugs fixes to get us green again
[HBASE-12989] - region_mover.rb unloadRegions method uses ArrayList concurrently resulting in errors
[HBASE-12991] - Use HBase 1.0 interfaces in hbase-rest
[HBASE-12993] - Use HBase 1.0 interfaces in hbase-thrift
[HBASE-12996] - Reversed field on Filter should be transient
[HBASE-12998] - Compilation with Hdfs-2.7.0-SNAPSHOT is broken after HDFS-7647
[HBASE-12999] - Make foreground_start return the correct exit code
[HBASE-13001] - NullPointer in master logs for table.jsp
[HBASE-13003] - Get tests in TestHFileBlockIndex back
[HBASE-13004] - Make possible to explain why HBaseTestingUtility.waitFor fails
[HBASE-13007] - Fix the test timeouts being caused by ChoreService
[HBASE-13009] - HBase REST UI inaccessible
[HBASE-13010] - HFileOutputFormat2 partitioner's path is hard-coded as '/tmp'
[HBASE-13011] - TestLoadIncrementalHFiles is flakey when using AsyncRpcClient as client implementation
[HBASE-13027] - mapreduce.TableInputFormatBase should create its own Connection if needed
[HBASE-13030] - [1.0.0 polish] Make ScanMetrics public again and align Put 'add' with Get, Delete, etc., addColumn
[HBASE-13032] - Migration of states should be performed once META is assigned and onlined.
[HBASE-13036] - Meta scanner should use its own threadpool
[HBASE-13038] - Fix the java doc warning continuously reported by Hadoop QA
[HBASE-13039] - Add patchprocess/* to .gitignore to fix builds of branches
[HBASE-13040] - Possible failure of TestHMasterRPCException
[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-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-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 TestCacheOnWrite
[HBASE-13072] - BucketCache.evictBlock returns true if block does not exist
[HBASE-13075] - TableInputFormatBase spuriously warning about multiple initializeTable calls
[HBASE-13077] - BoundedCompletionService doesn't pass trace info to server
[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-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-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-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-13155] - Fix TestPrefixTree
[HBASE-13156] - Fix minor rat violation recently introduced (asciidoctor.css).
[HBASE-13165] - Fix docs and scripts for default max heaps size after HBASE-11804
[HBASE-13172] - TestDistributedLogSplitting.testThreeRSAbort fails several times on branch-1
[HBASE-13174] - Apply HBASE-11804 to Windows scripts
[HBASE-13176] - Flakey TestZooKeeper test.
[HBASE-13181] - TestHRegionReplayEvents.testReplayBulkLoadEvent fails frequently.
[HBASE-13188] - java.lang.ArithmeticException issue in BoundedByteBufferPool.putBuffer
[HBASE-13193] - RegionScannerImpl filters should not be reset if a partial Result is returned
[HBASE-13206] - Fix TableLock tableName log format
[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-13253] - LoadIncrementalHFiles unify hfiles discovery
[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-13282] - Fix the minor issues of running Canary on kerberized environment
[HBASE-13285] - Fix flaky getRegions() in TestAccessController.setUp()
[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-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-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-13321] - Fix flaky TestHBaseFsck
[HBASE-13326] - Disabled table can't be enabled after HBase is restarted
[HBASE-13328] - LoadIncrementalHFile.doBulkLoad(Path,HTable) should handle managed connections
[HBASE-13331] - Exceptions from DFS client can cause CatalogJanitor to delete referenced files
[HBASE-13371] - Fix typo in TestAsyncIPC
[HBASE-13374] - Small scanners (with particular configurations) do not return all rows
[HBASE-13382] - IntegrationTestBigLinkedList should use SecureRandom
[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-13402] - [Backport 1.1] HBASE-12552: listSnapshots should list only owned snapshots for non-super user
[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-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-13463] - Quota needs to be updated only in case of successful region merge
[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-13482] - Phoenix is failing to scan tables on secure environments.
[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-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-13546] - NPE on region server status page if all masters are down
[HBASE-13555] - StackServlet produces 500 error
[HBASE-13575] - TestChoreService has to make sure that the opened ChoreService is closed for each unit test
[HBASE-13577] - Documentation is pointing to wrong port for Master Web UI
[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-13596] - src assembly does not build
[HBASE-13637] - branch-1.1 does not build against hadoop-2.2.
[HBASE-13661] - Correct binary compatibility issues discovered in 1.1.0RC0
Improvement:
[HBASE-5699] - Run with > 1 WAL in HRegionServer
[HBASE-6919] - Remove unnecessary throws IOException from Bytes.readVLong
[HBASE-7541] - Convert all tests that use HBaseTestingUtility.createMultiRegions to HBA.createTable
[HBASE-8329] - Limit compaction speed
[HBASE-10201] - Port 'Make flush decisions per column family' to trunk
[HBASE-11144] - Filter to support scanning multiple row key ranges
[HBASE-11864] - Enhance HLogPrettyPrinter to print information from WAL Header
[HBASE-11869] - Support snapshot owner
[HBASE-12071] - Separate out thread pool for Master RegionServer communication
[HBASE-12223] - MultiTableInputFormatBase.getSplits is too slow
[HBASE-12405] - WAL accounting by Store
[HBASE-12429] - Add port to ClusterManager's actions.
[HBASE-12608] - region_mover.rb does not log moving region count correctly when loading regions
[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-12641] - Grant all permissions of hbase zookeeper node to hbase superuser in a secure cluster
[HBASE-12684] - Add new AsyncRpcClient
[HBASE-12706] - Support multiple port numbers in ZK quorum string
[HBASE-12719] - Add test WAL provider to quantify FSHLog overhead in the absence of HDFS.
[HBASE-12720] - Make InternalScan LimitedPrivate
[HBASE-12736] - Let MetaScanner recycle a given Connection
[HBASE-12745] - Visibility Labels: support visibility labels for user groups.
[HBASE-12761] - On region jump ClientScanners should get next row start key instead of a skip.
[HBASE-12762] - Region with no hfiles will have the highest locality cost in LocalityCostFunction
[HBASE-12768] - Support enable cache_data_on_write in Shell while creating table
[HBASE-12825] - CallRunner exception messages should include destination host:port
[HBASE-12891] - Parallel execution for Hbck checkRegionConsistency
[HBASE-12893] - IntegrationTestBigLinkedListWithVisibility should use buffered writes
[HBASE-12899] - HBase should prefix htrace configuration keys with "hbase.htrace" rather than just "hbase."
[HBASE-12929] - TableMapReduceUtil.initTableMapperJob unnecessarily limits the types of outputKeyClass and outputValueClass
[HBASE-12957] - region_mover#isSuccessfulScan may be extremely slow on region with lots of expired data
[HBASE-12973] - RegionCoprocessorEnvironment should provide HRegionInfo directly
[HBASE-12975] - Supportable SplitTransaction and RegionMergeTransaction interfaces
[HBASE-12979] - Use setters instead of return values for handing back statistics from HRegion methods
[HBASE-12982] - Adding timeouts to TestChoreService
[HBASE-12987] - HBCK should print status while scanning over many regions
[HBASE-12997] - FSHLog should print pipeline on low replication
[HBASE-13002] - Make encryption cipher configurable
[HBASE-13008] - Better default for hbase.regionserver.regionSplitLimit parameter.
[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-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-13128] - Make HBCK's lock file retry creation and deletion
[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-13162] - Add capability for cleaning hbase acls to hbase cleanup script.
[HBASE-13168] - Backport HBASE-12590 "A solution for data skew in HBase-Mapreduce Job"
[HBASE-13171] - Change AccessControlClient methods to accept connection object to reduce setup time.
[HBASE-13183] - Make ZK tickTime configurable in standalone HBase
[HBASE-13189] - PrefixTreecell should implement HeapSize
[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-13241] - Add tests for group level grants
[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-13316] - Reduce the downtime on planned moves of regions
[HBASE-13342] - Fix incorrect interface annotations
[HBASE-13345] - Fix LocalHBaseCluster so that different region server impl can be used for different slaves
[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-13362] - Set max result size from client only (like scanner caching).
[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-13381] - Expand TestSizeFailures to include small scans
[HBASE-13419] - Thrift gateway should propagate text from exception causes.
[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-13516] - Increase PermSize to 128MB
[HBASE-13518] - Typo in hbase.hconnection.meta.lookup.threads.core parameter
[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()
New Feature
[HBASE-9531] - a command line (hbase shell) interface to retreive the replication metrics and show replication lag
[HBASE-12268] - Add support for Scan.setRowPrefixFilter to shell
[HBASE-12709] - [mvn] Add unit test excludes command line flag to the build.
[HBASE-12731] - Heap occupancy based client pushback
[HBASE-12869] - Add a REST API implementation of the ClusterManager interface
[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-13090] - Progress heartbeats for long running scanners
[HBASE-13170] - Allow block cache to be external
[HBASE-13412] - Region split decisions should have jitter
Task:
[HBASE-9604] - Add metric on short-circuit reads
[HBASE-12180] - Fix and reenable TestRegionReplicaReplicationEndpoint
[HBASE-12700] - Backport 'Make flush decisions per column family' from master
[HBASE-12783] - Create efficient RegionLocator implementation
[HBASE-12785] - Use FutureTask to timeout the attempt to get the lock for hbck
[HBASE-12788] - Promote Abortable to LimitedPrivate
[HBASE-12834] - Promote ScanType to LimitedPrivate
[HBASE-12995] - Document that HConnection#getTable methods do not check table existence since 0.98.1
[HBASE-13187] - Add ITBLL that exercises per CF flush
[HBASE-13205] - [branch-1] Backport HBASE-11598 Add simple rpc throttling
[HBASE-13380] - Cherry pick the HBASE-12808 compatibility checker tool back to 0.98+
[HBASE-13438] - [branch-1] Backport Basic quota support for namespaces
[HBASE-13584] - Disable distributed log replay by default for 1.1
[HBASE-13665] - Fix docs and site building on branch-1
Test:
[HBASE-7781] - Update security unit tests to use a KDC if available
[HBASE-12764] - TestPerColumnFamilyFlush#testCompareStoreFileCount may fail due to new table not available
[HBASE-12799] - ITAG fails with java.lang.RuntimeException if table does not exist
[HBASE-12876] - TestScannerWithBulkload should pass Table with unmanaged connection to LoadIncrementalHFiles#doBulkLoad()
[HBASE-12885] - Unit test for RAW / VERSIONS scanner specifications
[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-13413] - Create an integration test for Replication
Sub-task
[HBASE-7847] - Use zookeeper multi to clear znodes
[HBASE-10674] - HBCK should be updated to do replica related checks
[HBASE-10942] - support parallel request cancellation for multi-get
[HBASE-11261] - Handle splitting/merging of regions that have region_replication greater than one
[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-11842] - Integration test for async wal replication to secondary regions
[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-12012] - Improve cancellation for the scan RPCs
[HBASE-12511] - namespace permissions - add support from table creation privilege in a namespace 'C'
[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-12708] - Document newly introduced params for using Thrift-over-HTTPS.
[HBASE-12714] - RegionReplicaReplicationEndpoint should not set the RPC Codec
[HBASE-12730] - Backport HBASE-5162 (Basic client pushback mechanism) to branch-1
[HBASE-12735] - Refactor TAG so it can live as unit test and as an integration test
[HBASE-12763] - Make it so there must be WALs for a server to be marked dead
[HBASE-12776] - SpliTransaction: Log number of files to be split
[HBASE-12779] - SplitTransaction: Add metrics
[HBASE-12793] - [hbck] closeRegionSilentlyAndWait() should log cause of IOException and retry until hbase.hbck.close.timeout expires
[HBASE-12802] - Remove unnecessary Table.flushCommits()
[HBASE-12848] - Utilize Flash storage for WAL
[HBASE-12926] - Backport HBASE-12688 (Update site with a bootstrap-based UI) for HBASE-12918
[HBASE-12980] - Delete of a table may not clean all rows from hbase:meta
[HBASE-13006] - Document visibility label support for groups
[HBASE-13067] - Fix caching of stubs to allow IP address changes of restarted remote servers
[HBASE-13108] - Reduce Connection creations in TestAcidGuarantees
[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-13164] - Update TestUsersOperationsWithSecureHadoop to use MiniKdc
[HBASE-13169] - ModifyTable increasing the region replica count should also auto-setup RRRE
[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-13213] - Split out locality metrics among primary and secondary region
[HBASE-13244] - Test delegation token generation with kerberos enabled
[HBASE-13290] - Procedure v2 - client enable/disable table sync
[HBASE-13303] - Fix size calculation of results on the region server
[HBASE-13307] - Making methods under ScannerV2#next inlineable, faster
[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-13386] - Backport HBASE-12601 to all active branches other than master
[HBASE-13421] - Reduce the number of object creations introduced by HBASE-11544 in scan RPC hot code paths
[HBASE-13447] - Bypass logic in TimeRange.compare
[HBASE-13455] - Procedure V2 - master truncate table
[HBASE-13466] - Document deprecations in 1.x - Part 1
[HBASE-13469] - [branch-1.1] Procedure V2 - Make procedure v2 configurable in branch-1.1
[HBASE-13481] - Master should respect master (old) DNS/bind related configurations
[HBASE-13496] - Make Bytes$LexicographicalComparerHolder$UnsafeComparer::compareTo inlineable
[HBASE-13498] - Add more docs and a basic check for storage policy handling
[HBASE-13502] - Deprecate/remove getRowComparator() in TableName
[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-13551] - Procedure V2 - Procedure classes should not be InterfaceAudience.Public
Brainstorming
[HBASE-12859] - New master API to track major compaction completion
Bug
[HBASE-6778] - Deprecate Chore; its a thread per task when we should have one thread to do all tasks
[HBASE-7332] - [webui] HMaster webui should display the number of regions a table has.
[HBASE-8026] - HBase Shell docs for scan command does not reference VERSIONS
[HBASE-8725] - Add total time RPC call metrics
[HBASE-9738] - Delete table and loadbalancer interference
[HBASE-9910] - TestHFilePerformance and HFilePerformanceEvaluation should be merged in a single HFile performance test class.
[HBASE-10499] - In write heavy scenario one of the regions does not get flushed causing RegionTooBusyException
[HBASE-10528] - DefaultBalancer selects plans to move regions onto draining nodes
[HBASE-10728] - get_counter value is never used.
[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-12006] - [JDK 8] KeyStoreTestUtil#generateCertificate fails due to "subject class type invalid"
[HBASE-12028] - Abort the RegionServer, when it's handler threads die
[HBASE-12070] - Add an option to hbck to fix ZK inconsistencies
[HBASE-12102] - Duplicate keys in HBase.RegionServer metrics JSON
[HBASE-12108] - HBaseConfiguration: set classloader before loading xml files
[HBASE-12270] - A bug in the bucket cache, with cache blocks on write enabled
[HBASE-12339] - WAL performance evaluation tool doesn't roll logs
[HBASE-12393] - The regionserver web will throw exception if we disable block cache
[HBASE-12480] - Regions in FAILED_OPEN/FAILED_CLOSE should be processed on master failover
[HBASE-12548] - Improve debuggability of IntegrationTestTimeBoundedRequestsWithRegionReplicas
[HBASE-12574] - Update replication metrics to not do so many map look ups.
[HBASE-12585] - Fix refguide so it does hbase 1.0 style API everywhere with callout on how we used to do it in pre-1.0
[HBASE-12607] - TestHBaseFsck#testParallelHbck fails running against hadoop 2.6.0
[HBASE-12644] - Visibility Labels: issue with storing super users in labels table
[HBASE-12694] - testTableExistsIfTheSpecifiedTableRegionIsSplitParent in TestSplitTransactionOnCluster class leaves regions in transition
[HBASE-12697] - Don't use RegionLocationFinder if localityCost == 0
[HBASE-12711] - Fix new findbugs warnings in hbase-thrift module
[HBASE-12715] - getLastSequenceId always returns -1
[HBASE-12716] - A bug in RegionSplitter.UniformSplit algorithm
[HBASE-12717] - Pre-split algorithm in HBaseAdmin.create() can not find the split point
[HBASE-12718] - Convert TestAcidGuarantees from a unit test to an integration test
[HBASE-12728] - buffered writes substantially less useful after removal of HTablePool
[HBASE-12732] - Log messages in FileLink$FileLinkInputStream#tryOpen are reversed
[HBASE-12734] - TestPerColumnFamilyFlush.testCompareStoreFileCount is flakey
[HBASE-12739] - Avoid too large identifier of ZooKeeperWatcher
[HBASE-12740] - Improve performance of TestHBaseFsck
[HBASE-12741] - AccessController contains a javadoc issue
[HBASE-12742] - ClusterStatusPublisher crashes with a IPv6 network interface.
[HBASE-12743] - [ITBLL] Master fails rejoining cluster stuck splitting logs; Distributed log replay=true
[HBASE-12744] - hbase-default.xml lists hbase.regionserver.global.memstore.size twice
[HBASE-12747] - IntegrationTestMTTR will OOME if launched with mvn verify
[HBASE-12749] - Tighten HFileLink api to enable non-snapshot uses
[HBASE-12750] - getRequestsCount() in ClusterStatus returns total number of request
[HBASE-12767] - Fix a StoreFileScanner NPE in reverse scan flow
[HBASE-12771] - TestFailFast#testFastFail failing
[HBASE-12772] - TestPerColumnFamilyFlush failing
[HBASE-12774] - Fix the inconsistent permission checks for bulkloading.
[HBASE-12781] - thrift2 listen port will bind always to the passed command line address
[HBASE-12782] - ITBLL fails for me if generator does anything but 5M per maptask
[HBASE-12791] - HBase does not attempt to clean up an aborted split when the regionserver shutting down
[HBASE-12798] - Map Reduce jobs should not create Tables in setConf()
[HBASE-12801] - Failed to truncate a table while maintaing binary region boundaries
[HBASE-12804] - ImportTsv fails to delete partition files created by it
[HBASE-12810] - Update to htrace-incubating
[HBASE-12811] - [AccessController] NPE while scanning a table with user not having READ permission on the namespace
[HBASE-12817] - Data missing while scanning using PREFIX_TREE data block encoding
[HBASE-12819] - ExportSnapshot doesn't close FileSystem instances
[HBASE-12824] - CompressionTest fails with org.apache.hadoop.hbase.io.hfile.AbstractHFileReader$NotSeekedException: Not seeked to a key/value
[HBASE-12831] - Changing the set of vis labels a user has access to doesn't generate an audit log event
[HBASE-12832] - Describe table from shell no longer shows Table's attributes, only CF attributes
[HBASE-12833] - [shell] table.rb leaks connections
[HBASE-12835] - HBASE-12422 changed new HTable(Configuration) to not use managed Connections anymore
[HBASE-12837] - ReplicationAdmin leaks zk connections
[HBASE-12844] - ServerManager.isServerReacable() should sleep between retries
[HBASE-12845] - ByteBufferOutputStream should grow as direct buffer if the initial buffer is also direct BB
[HBASE-12847] - TestZKLessSplitOnCluster frequently times out in 0.98 builds
[HBASE-12849] - LoadIncrementalHFiles should use unmanaged connection in branch-1
[HBASE-12862] - Uppercase "wals" in RegionServer webUI
[HBASE-12863] - Master info port on RS UI is always 0
[HBASE-12864] - IntegrationTestTableSnapshotInputFormat fails
[HBASE-12867] - Shell does not support custom replication endpoint specification
[HBASE-12878] - Incorrect HFile path in TestHFilePerformance print output (fix for easier debugging)
[HBASE-12881] - TestFastFail is not compatible with surefire.rerunFailingTestsCount
[HBASE-12886] - Correct tag option name in PerformanceEvaluation
[HBASE-12892] - Add a class to allow taking a snapshot from the command line
[HBASE-12897] - Minimum memstore size is a percentage
[HBASE-12898] - Add in used undeclared dependencies
[HBASE-12901] - Possible deadlock while onlining a region and get region plan for other region run parallel
[HBASE-12904] - Threading issues in region_mover.rb
[HBASE-12908] - Typos in MemStoreFlusher javadocs
[HBASE-12915] - Disallow small scan with batching
[HBASE-12916] - No access control for replicating WAL entries
[HBASE-12917] - HFilePerformanceEvaluation Scan tests fail with StackOverflowError due to recursive call in createCell function
[HBASE-12918] - Backport asciidoc changes
[HBASE-12919] - Compilation with Hadoop-2.4- is broken again
[HBASE-12924] - HRegionServer#MovedRegionsCleaner Chore does not start
[HBASE-12927] - TestFromClientSide#testScanMetrics() failing due to duplicate createTable commands
[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-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-12956] - Binding to 0.0.0.0 is broken after HBASE-10569
[HBASE-12958] - SSH doing hbase:meta get but hbase:meta not assigned
[HBASE-12961] - Negative values in read and write region server metrics
[HBASE-12962] - TestHFileBlockIndex.testBlockIndex() commented out during HBASE-10531
[HBASE-12964] - Add the ability for hbase-daemon.sh to start in the foreground
[HBASE-12966] - NPE in HMaster while recovering tables in Enabling state
[HBASE-12969] - Parameter Validation is not there for shell script, local-master-backup.sh and local-regionservers.sh
[HBASE-12971] - Replication stuck due to large default value for replication.source.maxretriesmultiplier
[HBASE-12976] - Set default value for hbase.client.scanner.max.result.size
[HBASE-12978] - Region goes permanently offline (WAS: hbase:meta has a row missing hregioninfo and it causes my long-running job to fail)
[HBASE-12984] - SSL cannot be used by the InfoPort after removing deprecated code in HBASE-10336
[HBASE-12985] - Javadoc warning and findbugs fixes to get us green again
[HBASE-12989] - region_mover.rb unloadRegions method uses ArrayList concurrently resulting in errors
[HBASE-12991] - Use HBase 1.0 interfaces in hbase-rest
[HBASE-12993] - Use HBase 1.0 interfaces in hbase-thrift
[HBASE-12996] - Reversed field on Filter should be transient
[HBASE-12998] - Compilation with Hdfs-2.7.0-SNAPSHOT is broken after HDFS-7647
[HBASE-12999] - Make foreground_start return the correct exit code
[HBASE-13001] - NullPointer in master logs for table.jsp
[HBASE-13003] - Get tests in TestHFileBlockIndex back
[HBASE-13004] - Make possible to explain why HBaseTestingUtility.waitFor fails
[HBASE-13007] - Fix the test timeouts being caused by ChoreService
[HBASE-13009] - HBase REST UI inaccessible
[HBASE-13010] - HFileOutputFormat2 partitioner's path is hard-coded as '/tmp'
[HBASE-13011] - TestLoadIncrementalHFiles is flakey when using AsyncRpcClient as client implementation
[HBASE-13027] - mapreduce.TableInputFormatBase should create its own Connection if needed
[HBASE-13030] - [1.0.0 polish] Make ScanMetrics public again and align Put 'add' with Get, Delete, etc., addColumn
[HBASE-13032] - Migration of states should be performed once META is assigned and onlined.
[HBASE-13036] - Meta scanner should use its own threadpool
[HBASE-13038] - Fix the java doc warning continuously reported by Hadoop QA
[HBASE-13039] - Add patchprocess/* to .gitignore to fix builds of branches
[HBASE-13040] - Possible failure of TestHMasterRPCException
[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-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-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 TestCacheOnWrite
[HBASE-13072] - BucketCache.evictBlock returns true if block does not exist
[HBASE-13075] - TableInputFormatBase spuriously warning about multiple initializeTable calls
[HBASE-13077] - BoundedCompletionService doesn't pass trace info to server
[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-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-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-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-13155] - Fix TestPrefixTree
[HBASE-13156] - Fix minor rat violation recently introduced (asciidoctor.css).
[HBASE-13165] - Fix docs and scripts for default max heaps size after HBASE-11804
[HBASE-13172] - TestDistributedLogSplitting.testThreeRSAbort fails several times on branch-1
[HBASE-13174] - Apply HBASE-11804 to Windows scripts
[HBASE-13176] - Flakey TestZooKeeper test.
[HBASE-13181] - TestHRegionReplayEvents.testReplayBulkLoadEvent fails frequently.
[HBASE-13188] - java.lang.ArithmeticException issue in BoundedByteBufferPool.putBuffer
[HBASE-13193] - RegionScannerImpl filters should not be reset if a partial Result is returned
[HBASE-13206] - Fix TableLock tableName log format
[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-13253] - LoadIncrementalHFiles unify hfiles discovery
[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-13282] - Fix the minor issues of running Canary on kerberized environment
[HBASE-13285] - Fix flaky getRegions() in TestAccessController.setUp()
[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-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-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-13321] - Fix flaky TestHBaseFsck
[HBASE-13326] - Disabled table can't be enabled after HBase is restarted
[HBASE-13328] - LoadIncrementalHFile.doBulkLoad(Path,HTable) should handle managed connections
[HBASE-13331] - Exceptions from DFS client can cause CatalogJanitor to delete referenced files
[HBASE-13371] - Fix typo in TestAsyncIPC
[HBASE-13374] - Small scanners (with particular configurations) do not return all rows
[HBASE-13382] - IntegrationTestBigLinkedList should use SecureRandom
[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-13402] - [Backport 1.1] HBASE-12552: listSnapshots should list only owned snapshots for non-super user
[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-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-13463] - Quota needs to be updated only in case of successful region merge
[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-13482] - Phoenix is failing to scan tables on secure environments.
[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-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-13546] - NPE on region server status page if all masters are down
[HBASE-13555] - StackServlet produces 500 error
[HBASE-13575] - TestChoreService has to make sure that the opened ChoreService is closed for each unit test
[HBASE-13577] - Documentation is pointing to wrong port for Master Web UI
[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-13596] - src assembly does not build
[HBASE-13637] - branch-1.1 does not build against hadoop-2.2.
[HBASE-13661] - Correct binary compatibility issues discovered in 1.1.0RC0
Improvement:
[HBASE-5699] - Run with > 1 WAL in HRegionServer
[HBASE-6919] - Remove unnecessary throws IOException from Bytes.readVLong
[HBASE-7541] - Convert all tests that use HBaseTestingUtility.createMultiRegions to HBA.createTable
[HBASE-8329] - Limit compaction speed
[HBASE-10201] - Port 'Make flush decisions per column family' to trunk
[HBASE-11144] - Filter to support scanning multiple row key ranges
[HBASE-11864] - Enhance HLogPrettyPrinter to print information from WAL Header
[HBASE-11869] - Support snapshot owner
[HBASE-12071] - Separate out thread pool for Master RegionServer communication
[HBASE-12223] - MultiTableInputFormatBase.getSplits is too slow
[HBASE-12405] - WAL accounting by Store
[HBASE-12429] - Add port to ClusterManager's actions.
[HBASE-12608] - region_mover.rb does not log moving region count correctly when loading regions
[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-12641] - Grant all permissions of hbase zookeeper node to hbase superuser in a secure cluster
[HBASE-12684] - Add new AsyncRpcClient
[HBASE-12706] - Support multiple port numbers in ZK quorum string
[HBASE-12719] - Add test WAL provider to quantify FSHLog overhead in the absence of HDFS.
[HBASE-12720] - Make InternalScan LimitedPrivate
[HBASE-12736] - Let MetaScanner recycle a given Connection
[HBASE-12745] - Visibility Labels: support visibility labels for user groups.
[HBASE-12761] - On region jump ClientScanners should get next row start key instead of a skip.
[HBASE-12762] - Region with no hfiles will have the highest locality cost in LocalityCostFunction
[HBASE-12768] - Support enable cache_data_on_write in Shell while creating table
[HBASE-12825] - CallRunner exception messages should include destination host:port
[HBASE-12891] - Parallel execution for Hbck checkRegionConsistency
[HBASE-12893] - IntegrationTestBigLinkedListWithVisibility should use buffered writes
[HBASE-12899] - HBase should prefix htrace configuration keys with "hbase.htrace" rather than just "hbase."
[HBASE-12929] - TableMapReduceUtil.initTableMapperJob unnecessarily limits the types of outputKeyClass and outputValueClass
[HBASE-12957] - region_mover#isSuccessfulScan may be extremely slow on region with lots of expired data
[HBASE-12973] - RegionCoprocessorEnvironment should provide HRegionInfo directly
[HBASE-12975] - Supportable SplitTransaction and RegionMergeTransaction interfaces
[HBASE-12979] - Use setters instead of return values for handing back statistics from HRegion methods
[HBASE-12982] - Adding timeouts to TestChoreService
[HBASE-12987] - HBCK should print status while scanning over many regions
[HBASE-12997] - FSHLog should print pipeline on low replication
[HBASE-13002] - Make encryption cipher configurable
[HBASE-13008] - Better default for hbase.regionserver.regionSplitLimit parameter.
[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-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-13128] - Make HBCK's lock file retry creation and deletion
[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-13162] - Add capability for cleaning hbase acls to hbase cleanup script.
[HBASE-13168] - Backport HBASE-12590 "A solution for data skew in HBase-Mapreduce Job"
[HBASE-13171] - Change AccessControlClient methods to accept connection object to reduce setup time.
[HBASE-13183] - Make ZK tickTime configurable in standalone HBase
[HBASE-13189] - PrefixTreecell should implement HeapSize
[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-13241] - Add tests for group level grants
[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-13316] - Reduce the downtime on planned moves of regions
[HBASE-13342] - Fix incorrect interface annotations
[HBASE-13345] - Fix LocalHBaseCluster so that different region server impl can be used for different slaves
[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-13362] - Set max result size from client only (like scanner caching).
[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-13381] - Expand TestSizeFailures to include small scans
[HBASE-13419] - Thrift gateway should propagate text from exception causes.
[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-13516] - Increase PermSize to 128MB
[HBASE-13518] - Typo in hbase.hconnection.meta.lookup.threads.core parameter
[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()
New Feature:
[HBASE-9531] - a command line (hbase shell) interface to retreive the replication metrics and show replication lag
[HBASE-12268] - Add support for Scan.setRowPrefixFilter to shell
[HBASE-12709] - [mvn] Add unit test excludes command line flag to the build.
[HBASE-12731] - Heap occupancy based client pushback
[HBASE-12869] - Add a REST API implementation of the ClusterManager interface
[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-13090] - Progress heartbeats for long running scanners
[HBASE-13170] - Allow block cache to be external
[HBASE-13412] - Region split decisions should have jitter
Task:
[HBASE-9604] - Add metric on short-circuit reads
[HBASE-12180] - Fix and reenable TestRegionReplicaReplicationEndpoint
[HBASE-12700] - Backport 'Make flush decisions per column family' from master
[HBASE-12783] - Create efficient RegionLocator implementation
[HBASE-12785] - Use FutureTask to timeout the attempt to get the lock for hbck
[HBASE-12788] - Promote Abortable to LimitedPrivate
[HBASE-12834] - Promote ScanType to LimitedPrivate
[HBASE-12995] - Document that HConnection#getTable methods do not check table existence since 0.98.1
[HBASE-13187] - Add ITBLL that exercises per CF flush
[HBASE-13205] - [branch-1] Backport HBASE-11598 Add simple rpc throttling
[HBASE-13380] - Cherry pick the HBASE-12808 compatibility checker tool back to 0.98+
[HBASE-13438] - [branch-1] Backport Basic quota support for namespaces
[HBASE-13584] - Disable distributed log replay by default for 1.1
[HBASE-13665] - Fix docs and site building on branch-1
Test:
[HBASE-7781] - Update security unit tests to use a KDC if available
[HBASE-12764] - TestPerColumnFamilyFlush#testCompareStoreFileCount may fail due to new table not available
[HBASE-12799] - ITAG fails with java.lang.RuntimeException if table does not exist
[HBASE-12876] - TestScannerWithBulkload should pass Table with unmanaged connection to LoadIncrementalHFiles#doBulkLoad()
[HBASE-12885] - Unit test for RAW / VERSIONS scanner specifications
[HBASE-12992] - TestChoreService doesn&#

New in HBase 0.98.10.1 (Feb 16, 2015)

New in HBase 0.98.6.1 (Sep 20, 2014)

New in HBase 0.98.5 (Aug 13, 2014)

Sub-task:
[HBASE-11318] - Classes in security subpackages missing @InterfaceAudience annotations.
[HBASE-11384] - [Visibility Controller]Check for users covering authorizations for every mutation
[HBASE-11559] - Add dumping of DATA block usage to the BlockCache JSON report.
[HBASE-11651] - Add conf which disables MetaMigrationConvertingToPB check (for experts only)
[HBASE-11722] - Document new shortcut commands introduced by HBASE-11649
Bug:
[HBASE-11064] - Odd behaviors of TableName for empty namespace
[HBASE-11360] - SnapshotFileCache causes too many cache refreshes
[HBASE-11388] - The order parameter is wrong when invoking the constructor of the ReplicationPeer In the method "getPeer" of the class ReplicationPeersZKImpl
[HBASE-11518] - doc update for how to create non-shared HConnection
[HBASE-11534] - Remove broken JAVA_HOME autodetection in hbase-config.sh
[HBASE-11537] - Avoid synchronization on instances of ConcurrentMap
[HBASE-11541] - Wrong result when scaning meta with startRow
[HBASE-11545] - mapred.TableSnapshotInputFormat is missing InterfaceAudience annotation
[HBASE-11551] - BucketCache$WriterThread.run() doesn't handle exceptions correctly
[HBASE-11554] - Remove Reusable poolmap Rpc client type.
[HBASE-11555] - TableSnapshotRegionSplit should be public
[HBASE-11558] - Caching set on Scan object gets lost when using TableMapReduceUtil in 0.95+
[HBASE-11561] - deprecate ImmutableBytesWritable.getSize and replace with getLength
[HBASE-11565] - Stale connection could stay for a while
[HBASE-11579] - CopyTable should check endtime value only if != 0
[HBASE-11586] - HFile's HDFS op latency sampling code is not used
[HBASE-11588] - RegionServerMetricsWrapperRunnable misused the 'period' parameter
[HBASE-11594] - Unhandled NoNodeException in distributed log replay mode
[HBASE-11609] - LoadIncrementalHFiles fails if the namespace is specified
[HBASE-11620] - Record the class name of Writer in WAL header so that only proper Reader can open the WAL file
[HBASE-11632] - Region split needs to clear force split flag at the end of SplitRequest run
[HBASE-11654] - WAL Splitting dirs are not deleted after replay.
[HBASE-11662] - Launching shell with long-form --debug fails
[HBASE-11668] - Re-add HBASE_LIBRARY_PATH to bin/hbase
Improvement:
[HBASE-2217] - VM OPTS for shell only
[HBASE-3270] - When we create the .version file, we should create it in a tmp location and then move it into place
[HBASE-7910] - Dont use reflection for security
[HBASE-11480] - ClientScanner might not close the HConnection created in construction
[HBASE-11516] - Track time spent in executing coprocessors in each region.
[HBASE-11557] - Counter.class should always be added as dependencyJar
[HBASE-11566] - make ExportSnapshot extendable by removing 'final'
[HBASE-11583] - Refactoring out the configuration changes for enabling VisibilityLabels in the unit tests.
[HBASE-11623] - mutateRowsWithLocks might require updatesLock.readLock with waitTime=0
[HBASE-11649] - Add shortcut commands to bin/hbase for test tools
[HBASE-11650] - Write hbase.id to a temporary location and move into place
Task:
[HBASE-11621] - Make MiniDFSCluster run faster

New in HBase 0.98.4 (Jul 23, 2014)

New in HBase 0.94.18 (Mar 28, 2014)

New in HBase 0.94.16 (Feb 15, 2014)

New in HBase 0.96.1.1 Development (Jan 7, 2014)

New in HBase 0.96.1 Development (Dec 17, 2013)

Sub-task:
[HBASE-9165] - Improvements to addDependencyJars
[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-9966] - Create IntegrationTest for Online Bloom Filter Change
[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-10094] - Add batching to HLogPerformanceEvaluation
Bug:
[HBASE-7600] - TestAdmin.testCreateBadTables is failing occasionally
[HBASE-8143] - HBase on Hadoop 2 with local short circuit reads (ssr) causes OOM
[HBASE-9138] - getHaseIntegrationTestingUtility() is misspelled
[HBASE-9322] - Contention on the SoftValueSortedMap with multiple clients
[HBASE-9563] - Autorestart doesn't work if zkcleaner fails
[HBASE-9593] - Region server left in online servers list forever if it went down after registering to master and before creating ephemeral node
[HBASE-9659] - some integration tests can no longer be run using maven
[HBASE-9694] - HBaseTestingUtility.createTable infinite loop
[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-9727] - HBase Rest Server - DELETE scanner operation is a no-op
[HBASE-9737] - Corrupt HFile cause resource leak leading to Region Server OOM
[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-9755] - Cannot run classes in hbase-server tests jar from command line
[HBASE-9759] - Prevent random number collision in IntegrationTestBulkLoad
[HBASE-9765] - TestImportTsv.testBulkOutputWithTsvImporterTextMapper() may not be working correctly
[HBASE-9768] - Two issues in AsyncProcess
[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
[HBASE-9798] - Include dependency hamcrest-core
[HBASE-9807] - block encoder unnecessarily copies the key for each reseek
[HBASE-9810] - Global memstore size will be calculated wrongly if replaying recovered edits throws exception
[HBASE-9813] - Log splitting doesn't prevent RS creating new hlog file
[HBASE-9821] - Scanner id could collide
[HBASE-9822] - IntegrationTestLazyCfLoading failed occasionally in a secure enviroment
[HBASE-9843] - Various fixes in client code
[HBASE-9848] - Make regionserver Canary exit with different exit codes
[HBASE-9849] - [REST] Forbidden schema delete in read only mode
[HBASE-9850] - Issues with UI for table compact/split operation completion. After split/compaction operation using UI, the page is not automatically redirecting back using IE8/Firefox.
[HBASE-9859] - Canary Shouldn't go off if the table being read from is disabled
[HBASE-9861] - Location does not have to be refreshed on regionTooBusy
[HBASE-9862] - manage error per server and per region in the protobuffed client
[HBASE-9865] - Reused WALEdits in replication may cause RegionServers to go OOM
[HBASE-9868] - Remove some array copy, especially around protobuf
[HBASE-9869] - Optimize HConnectionManager#getCachedLocation
[HBASE-9870] - HFileDataBlockEncoderImpl#diskToCacheFormat uses wrong format
[HBASE-9871] - PB issue : Increment attributes are not getting passed to server
[HBASE-9872] - ModifyTable does not modify the attributes of a newly modified/changed ColumnDescriptor
[HBASE-9885] - Avoid some Result creation in protobuf conversions
[HBASE-9886] - Optimize ServerName#compareTo
[HBASE-9890] - MR jobs are not working if started by a delegated user
[HBASE-9893] - Incorrect assert condition in OrderedBytes decoding
[HBASE-9895] - 0.96 Import utility can't import an exported file from 0.94
[HBASE-9900] - Fix unintended byte[].toString in AccessController
[HBASE-9901] - Add a toString in HTable, fix a log in AssignmentManager
[HBASE-9902] - Region Server is starting normally even if clock skew is more than default 30 seconds(or any configured). -> Regionserver node time is greater than master node time
[HBASE-9906] - Restore snapshot fails to restore the meta edits sporadically
[HBASE-9908] - [WINDOWS] Fix filesystem / classloader related unit tests
[HBASE-9909] - TestHFilePerformance should not be a unit test, but a tool
[HBASE-9915] - Performance: isSeeked() in EncodedScannerV2 always returns false
[HBASE-9918] - MasterAddressTracker & ZKNamespaceManager ZK listeners are missed after master recovery
[HBASE-9926] - Scanner doesn't check if a region is available
[HBASE-9947] - Add CM action for online compression algorithm change
[HBASE-9952] - Snapshot restore may fail due to NullPointerException
[HBASE-9956] - Remove keyLength cache from KeyValue
[HBASE-9957] - [WINDOWS] TestNamespaceUpgrade fails on windows
[HBASE-9958] - Remove some array copy, change lock scope in locateRegion
[HBASE-9959] - Remove some array copy - server side
[HBASE-9961] - [WINDOWS] Multicast should bind to local address
[HBASE-9970] - HBase BulkLoad, table is creating with the timestamp key also as a column to the table.
[HBASE-9973] - [ACL]: Users with 'Admin' ACL permission will lose permissions after upgrade to 0.96.x from 0.94.x or 0.92.x
[HBASE-9975] - Not starting ReplicationSink when using custom implementation for the ReplicationSink.
[HBASE-9976] - Don't create duplicated TableName objects
[HBASE-9978] - The client retries even if the method is not present on the server
[HBASE-9982] - TestClientNoCluster should use random numbers
[HBASE-9983] - Lower the memory footprint of HRegionLocation
[HBASE-9987] - Remove some synchronisation points in HConnectionManager
[HBASE-9988] - DOn't use HRI#getEncodedName in the client
[HBASE-9989] - Add a test on get in TestClientNoCluster
[HBASE-9992] - [hbck] Refactor so that arbitrary -D cmdline options are included
[HBASE-9995] - Not stopping ReplicationSink when using custom implementation for the ReplicationSink
[HBASE-10011] - Fix some findbugs in the client
[HBASE-10012] - Hide ServerName constructor
[HBASE-10013] - Enhance the message about ZK when there is an exception
[HBASE-10014] - HRegion#doMiniBatchMutation rollbacks the memstore even if there is nothing to rollback.
[HBASE-10015] - Replace intrinsic locking with explicit locks in StoreScanner
[HBASE-10026] - HBaseAdmin#createTable could fail if region splits too fast
[HBASE-10045] - HMaster's clear command could conflict with JMX ports
[HBASE-10046] - Unmonitored HBase service could accumulate Status objects and OOM
[HBASE-10050] - graceful_stop.sh (http://graceful_stop.sh/) syntax error
[HBASE-10051] - rolling-restart.sh (http://rolling-restart.sh/) have old value of "zookeeper.znode.unassiged" config causing infinite loop
[HBASE-10053] - ProtobufUtil#toMutationNoData interface change causes downstream project build break
[HBASE-10061] - TableMapReduceUtil.findOrCreateJar calls updateMap(null, ) resulting in thrown NPE
[HBASE-10073] - Revert HBASE-9718 (Add a test scope dependency on org.slf4j:slf4j-api to hbase-client)
[HBASE-10079] - Race in TableName cache
[HBASE-10085] - Some regions aren't re-assigned after a cluster restarts
[HBASE-10090] - Master could hang in assigning meta
[HBASE-10097] - Remove a region name string creation in HRegion#nextInternal
[HBASE-10101] - testOfflineRegionReAssginedAfterMasterRestart times out sometimes.
[HBASE-10103] - TestNodeHealthCheckChore#testRSHealthChore: Stoppable must have been stopped
[HBASE-10108] - NullPointerException thrown while use Canary with '-regionserver' option
[HBASE-10111] - Verify that a snapshot is not corrupted before restoring it
[HBASE-10112] - Hbase rest query params for maxVersions and maxValues are not parsed
Improvement:
[HBASE-4654] - [replication] Add a check to make sure we don't replicate to ourselves
[HBASE-5945] - Reduce buffer copies in IPC server response path
[HBASE-8438] - Extend bin/hbase to print a "mapreduce classpath"
[HBASE-8465] - Auto-drop rollback snapshot for snapshot restore
[HBASE-9221] - Provide interface for getting a User in the client
[HBASE-9570] - With AccessDeniedException, HBase shell would be better to just display the error message to be user friendly
[HBASE-9716] - LoadTestTool should provide default min and max settings to the data generator
[HBASE-9750] - Add retries around Action server stop/start
[HBASE-9771] - [WebUI] Humanize store and blockcache statistics on RS
[HBASE-9772] - Normalize new client default values
[HBASE-9784] - Switch to Hadoop-2.2
[HBASE-9831] - 'hbasefsck.numthreads' property isn't passed to hbck via cmdline -D option
[HBASE-9855] - evictBlocksByHfileName improvement for bucket cache
[HBASE-9867] - Save on array copies with a subclass of LiteralByteString
[HBASE-9924] - Avoid potential filename conflict in region_mover.rb
[HBASE-9931] - Optional setBatch for CopyTable to copy large rows in batches
[HBASE-9963] - Remove the ReentrantReadWriteLock in the MemStore
[HBASE-9998] - Fix javadoc warnings induced by commits
[HBASE-10001] - Add a coprocessor to help testing the performances without taking into account the i/o
[HBASE-10007] - PerformanceEvaluation: Add sampling and latency collection to randomRead test
[HBASE-10010] - eliminate the put latency spike on the new log file beginning
[HBASE-10020] - Add maven compile-protobuf profile
[HBASE-10022] - Fix the HE_EQUALS_USE_HASHCODE warning under hbase-hadoop1-compat
[HBASE-10024] - Add an interface to create put with immutable arrays
[HBASE-10048] - Add hlog number metric in regionserver
[HBASE-10074] - consolidate and improve capacity/sizing documentation
New Feature:
[HBASE-7525] - A canary monitoring program specifically for regionserver
[HBASE-9985] - Add HBase shell command to start/stop tracing
[HBASE-10119] - Allow HBase coprocessors to clean up when they fail
Task:
[HBASE-9757] - Reenable fast region move in SlowDeterministicMonkey
[HBASE-9758] - Log missing rows and their regions if ITBLL fails
[HBASE-9837] - Forward port HBASE-9080 'Retain assignment should be used when re-enabling table(s)'
[HBASE-9954] - Incorporate HTTPS support for HBase
Test:
[HBASE-8543] - fix coverage org.apache.hadoop.hbase.rest.client
[HBASE-8552] - fix coverage org.apache.hadoop.hbase.rest.filter
[HBASE-8556] - fix coverage org.apache.hadoop.hbase.metrics.histogram
[HBASE-8559] - increase unit-test coverage of package org.apache.hadoop.hbase.coprocessor
[HBASE-9692] - TestOrderedBytes doesn't display the arrays correctly
[HBASE-9720] - TestSplitTransactionOnCluster#testShutdownFixupWhenDaughterHasSplit occasionally times out
[HBASE-9827] - Intermittent TestLogRollingNoCluster#testContendedLogRolling failure
[HBASE-9836] - Intermittent TestRegionObserverScannerOpenHook#testRegionObserverCompactionTimeStacking failure
[HBASE-9851] - TestHBaseFsck.testQuarantineMissingHFile is flaky
[HBASE-9880] - client.TestAsyncProcess.testWithNoClearOnFail broke on 0.96 by HBASE-9867

New in HBase 0.94.14 (Dec 4, 2013)

Bug:
getHaseIntegrationTestingUtility() is misspelled
Change Hadoop 1.2 dependency to 1.2.1
RegionTooBusyException should provide region name which was too busy
Minimize byte[] copies for 'smart' clients
[REST] Forbidden schema delete in read only mode
Issues with UI for table compact/split operation completion. After split/compaction operation using UI, the page is not automatically redirecting back using IE8/Firefox.
Reused WALEdits in replication may cause RegionServers to go OOM
ModifyTable does not modify the attributes of a newly modified/changed ColumnDescriptor
MR jobs are not working if started by a delegated user
Region Server is starting normally even if clock skew is more than default 30 seconds(or any configured). -> Regionserver node time is greater than master node time
Restore snapshot fails to restore the meta edits sporadically
Performance: isSeeked() in EncodedScannerV2 always returns false
Snapshot restore may fail due to NullPointerException
Remove keyLength cache from KeyValue
HBase BulkLoad, table is creating with the timestamp key also as a column to the table.
Port part of HBASE-9958 to 0.94 - change lock scope in locateRegion
Not starting ReplicationSink when using custom implementation for the ReplicationSink.
.94: HBASE-9865 breaks coprocessor compatibility with WALEdit.
Improvement:
[replication] Add a check to make sure we don't replicate to ourselves
Extend bin/hbase to print a "mapreduce classpath"
Backport -in_memory option support for LoadTestTool from trunk
'hbasefsck.numthreads' property isn't passed to hbck via cmdline -D option
remove the inappropriate assert statement in Store.getSplitPoint()
Remove the ReentrantReadWriteLock in the MemStore
Test:
improve unit-test coverage of package org.apache.hadoop.hbase.master.metrics (0.94)
fix coverage org.apache.hadoop.hbase.rest.client
fix coverage org.apache.hadoop.hbase.rest.filter
fix coverage org.apache.hadoop.hbase.metrics.histogram
fix coverage org.apache.hadoop.hbase.rest.metrics
increase unit-test coverage of package org.apache.hadoop.hbase.coprocessor

New in HBase 0.94.13 (Nov 12, 2013)

New in HBase 0.96.0 (Oct 21, 2013)

New in HBase 0.94.12 (Sep 25, 2013)

Sub-task:
REST should use listTableNames to list tables
Thrift should use listTableNames to list tables
Bug:
Infinite loop possible in Master/Master replication
Fix the retrying logic of memstore flushes to avoid extra sleep
possible loss of data in snapshot taken after region split
Filter evaluates KVs outside requested columns
ServerCallable retries just once if timeout is not integer.max
Allow non-admin users to list all table names
Fix TestFSHDFSUtils against java7 test re-ordering
An Offline SplitParent Region can be assigned breaking split references
Multipage book is generated to the wrong location
isTableAvailable() may be stuck if an offline parent was never assigned
HConnectionManager#getZooKeeperWatcher() should be deprecated in 0.94
HBaseClient#setupIOStreams should handle all exceptions
Javadoc: Document that HBaseAdmin.flush(...) is synchronous
[0.94] ageOfLastShippedOp replication metric doesn't update if the slave regionserver is stalled
Default hbase.dynamic.jars.dir to hbase.rootdir/jars
Snapshot restore of table which splits after snapshot was taken encounters 'Region is not online'
ServerName is created using getLocalSocketAddress, breaks binding to the wildcard address. Revert HBASE-8640
SnapshotManager should check for directory existance before throwing a warning.
RegionServer not shutting down upon KeeperException in open region
[0.94] SecureServer.INSECURE_VERSIONS is declared incorrectly
Snapshots with the same name are allowed to proceed concurrently
In rpcServer, replicationQueue is initialized with the max queue size instead of the max queue lenght
Regex filters are at least an order of magnitude slower since 0.94.3
Add back MetaScanner.allTableRegions(Configuration conf,byte[] tablename,boolean offlined) method
Backport HBASE-8781 to 0.94
[0.94] Shell needs to fall back after HBASE-9182 if talking to older servers
Port HBASE-7113 'TestGzipFilter is flaky with jdk1.7' to 0.94
HBaseAdmin#isTableEnabled() should throw exception for non-existent table
Previous active master can still serves RPC request when it is trying recovering expired zk session
Do not enforce secure Hadoop for secure HBase
[0.94] Backport HBASE-9309 The links in the backup masters template are bad
Short-Circuit Coprocessor HTable access when on the same server
Add back WALEdit#get/setScopes method
Short-Circuit Coprocessor doesn't correctly lookup table when on server
Improvement:
Add more useful statistics in the HFile tool
Dropping a table always prints a TableInfoMissingException in the master log
Task:
Introduce/update a script to generate jdiff reports
Backport HBASE- 9208 "ReplicationLogCleaner slow at large scale"
Test:
TestCatalogTracker depends on the execution order

New in HBase 0.94.11 (Aug 21, 2013)

Sub-task:
Add mutateRow method support to Thrift2
Add a new function to Thrift 2 to open scanner, get results and close scanner
Thrift 2 : Replace "bool writeToWAL" with "TDurability durability"
Bound table pool size in Thrift 2 server
Bug:
[WINDOWS] TestFromClientSide failures
TestHFileArchiving.testArchiveOnTableDelete sometimes fails
[0.94] Backport HBASE-8449,HBASE-8204 and HBASE-8699 to 0.94 (Refactor recoverLease retries and pauses)
potential thread creation in MetaScanner.metaScan
IntegrationTestBigLinkedList fails under load on 0.94 due to some scan issues - add logging
hbase.mapreduce.hfileoutputformat.blocksize should configure with blocksize of a table
RestartRsHoldingRoot action in org.apache.hadoop.hbase.util.ChaosMonkey restarting the server holding .META. instead of -ROOT-
Result.getBytes() returns null if backed by KeyValue array
HCM throws NullPointerException under load
HBaseClient#call could hang
ExportSnapshot job fails if target path contains percentage character
FilterList getNextKeyHint skips rows that should be included in the results
Retain assignment should be used when re-enabling table(s)
Integration Tests fails because of bug in teardown phase where the cluster state is not being restored properly.
Handlers being blocked during reads
Set HBASE_CLASSPATH before rest of the classpath
HTableInterface.append operation may overwrites values
ClassFinder logs errors that are not
TestHTablePool hangs when run as part of runMediumTests profile
Serious bug in cyclic replication
IncreasingToUpperBoundRegionSplitPolicy.shouldSplit() should check all the stores before returning.
HFilePrettyPrinter finds incorrect largest row
Improvement:
Deprecate HTablePool in favor of HConnection.getTable(...)
Add hadoop-1.2 profile
Port HBASE-8690: Reduce unnecessary getFileStatus hdfs calls in TTL hfile and hlog cleanners to 0.94
Backport HBASE-8706 Some improvement in snapshot to 0.94
Use table dir modtime to avoid scanning table dir to check cached table descriptor in 0.94
Independent timeout configuration for rpc channel between cluster nodes
New Feature:
Improve Hbase Thrift v1 to return results in sorted order
a HBase Shell command to list the tables replicated from current cluster
Test:
Add support of loading multiple tables into LoadTestTool
[0.94] Backport HBASE-5760 Unit tests should write only under /target to 0.94
cleanup snapshot tests setup/teardown code
Do not fail TestAcidGuarantees for exceptions on table flush
[0.94] Backport HBASE-6950 TestAcidGuarantees system test now flushes too aggressively to 0.94

New in HBase 0.94.10 (Jul 25, 2013)

Sub-task:
[HBASE-8774] - Add BatchSize and Filter 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-8876] - Addendum to HBASE-8774 Add BatchSize and Filter to Thrift2 - Add BatchSize Test
[HBASE-8938] - Thrift2 does not close scanner instance
Bug:
[HBASE-8432] - a table with unbalanced regions will balance indefinitely with the 'org.apache.hadoop.hbase.master.DefaultLoadBalancer'
[HBASE-8678] - Wrongly delete cells in some case which can not be deleted
[HBASE-8695] - The HBase thrift service ignores XML configuration
[HBASE-8776] - tweak retry settings some more (on trunk and 0.94)
[HBASE-8782] - Thrift2 can not parse values when using framed transport
[HBASE-8794] - DependentColumnFilter.toString() throws NullPointerException
[HBASE-8811] - REST service ignores misspelled "check=" parameter, causing unexpected mutations
[HBASE-8814] - Possible NPE in split if a region has empty store files.
[HBASE-8858] - Backport hbase-6979 "recovered.edits file should not break distributed log splitting"
[HBASE-8910] - HMaster.abortNow shouldn't try to become a master again if it was stopped
[HBASE-8967] - Duplicate call to snapshotManager.stop() in HRegionServer
[HBASE-8968] - Avoid call to zk in HRegionServer#getMaster() to log the master address which already read from the zk.
[HBASE-8971] - Bump 0.94 version to 0.94.10-SNAPSHOT
[HBASE-8988] - Reuse the thread pool in the shell to not run out of threads
Improvement
[HBASE-8599] - HLogs in ZK are not cleaned up when replication lag is minimal
[HBASE-8767] - Backport hbase-8001 and hbase-8012, avoid lazy seek
[HBASE-8806] - Row locks are acquired repeatedly in HRegion.doMiniBatchMutation for duplicate rows.
[HBASE-8809] - Include deletes in the scan (setRaw) method does not respect the time range or the filter
[HBASE-8847] - Filter.transform() always applies unconditionally, even when combined in a FilterList
[HBASE-8908] - Backport HBASE-8882 and HBASE-8904 (An Integration Test to Test MTTR) to 0.94
[HBASE-8921] - [thrift2] Add GenericOptionsParser to Thrift 2 server
[HBASE-8945] - Backport to 0.94: HBASE-7952 Remove update() and Improve ExplicitColumnTracker performance.
Task:
[HBASE-8829] - Improve failed TestMetaScanner assert message so can see where/why failure
Test:
[HBASE-7770] - minor integration test framework fixes
[HBASE-8885] - Fix and reenable TestGet failing#testDynamicFilter
[HBASE-8914] - [0.94] TestRegionServerCoprocessorExceptionWithAbort is flaky
[HBASE-8928] - Make ChaosMonkey & LoadTest tools extensible, to allow addition of more actions and policies.
[HBASE-8934] - Fix bunch of flaky tests
[HBASE-8969] - Backport HBASE-8535+HBASE-8586 TestHCM#testDeleteForZKConnLeak enhancement to 0.94

New in HBase 0.94.9 (Jul 25, 2013)

New in HBase 0.95.0 Development (Apr 26, 2013)

Sub-task:
[HBASE-2611]: Handle RS that fails while processing the failure of another one
[HBASE-3776]: Add Bloom Filter Support to HFileOutputFormat
[HBASE-4285]: partitions file created in user's home directory by importtsv
[HBASE-4913]: Per-CF compaction Via the Shell
[HBASE-4990]: Document secure HBase setup
[HBASE-5151]: Rename "hbase.skip.errors" in HRegion as it is too general-sounding.
[HBASE-5342]: Grant/Revoke global permissions
[HBASE-5372]: Table mutation operations should check table level rights, not global rights
[HBASE-5385]: Delete table/column should delete stored permissions on -acl- table
[HBASE-5444]: Add PB-based calls to HMasterRegionInterface
[HBASE-5445]: Add PB-based calls to HMasterInterface
[HBASE-5446]: Replace serialization for client-facing ZK data with PBs
[HBASE-5447]: Support for custom filters with PB-based RPC
[HBASE-5448]: Support for dynamic coprocessor endpoints with PB-based RPC
[HBASE-5449]: Support for wire-compatible security functionality
[HBASE-5451]: Switch RPC call envelope/headers to PBs
[HBASE-5453]: Switch on-disk formats (reference files, HFile meta fields, etc) to PB
[HBASE-5523]: Fix Delete Timerange logic for KEEP_DELETED_CELLS
[HBASE-5619]: Create PB protocols for HRegionInterface
[HBASE-5620]: Convert the client protocol of HRegionInterface to PB
[HBASE-5621]: Convert admin protocol of HRegionInterface to PB
[HBASE-5638]: Backport to 0.90 and 0.92: NPE reading ZK config in HBase
[HBASE-5641]: decayingSampleTick1 prevents HBase from shutting down.
[HBASE-5642]: [findbugs] Exclude Thrift and Protobuf warnings
[HBASE-5644]: [findbugs] Fix null pointer warnings.
[HBASE-5645]: [findbugs] Fix correctness warnings
[HBASE-5652]: [findbugs] Fix lock release on all paths
[HBASE-5653]: [findbugs] fix perf warnings
[HBASE-5654]: [findbugs] Address dodgy bugs
[HBASE-5659]: TestAtomicOperation.testMultiRowMutationMultiThreads is still failing occasionally
[HBASE-5685]: [findbugs] Exclude Protobuf warnings from wire compat patches.
[HBASE-5705]: Introduce Protocol Buffer RPC engine
[HBASE-5732]: Remove the SecureRPCEngine and merge the security-related logic in the core engine
[HBASE-5785]: Adding unit tests for protbuf utils introduced for HRegionInterface pb conversion
[HBASE-5793]: TestHBaseFsck#TestNoHdfsTable test hangs after client retries increased
[HBASE-5937]: Refactor HLog into an interface.
[HBASE-6052]: Convert .META. and -ROOT- content to pb
[HBASE-6061]: Fix ACL "Admin" Table inconsistent permission check
[HBASE-6066]: some low hanging read path improvement ideas
[HBASE-6092]: Authorize flush, split, compact operations in AccessController
[HBASE-6157]: Revoke of Global permission is not taking effect without restart.
[HBASE-6188]: Remove the concept of table owner
[HBASE-6202]: Medium tests fail with jdk1.7
[HBASE-6203]: Create hbase-it module
[HBASE-6206]: Large tests fail with jdk1.7
[HBASE-6209]: ACL Corrections for AccessControllerProtocol apis
[HBASE-6224]: add Pre and Post coprocessor hooks for BulkLoad
[HBASE-6230]: [brainstorm] "Restore" snapshots for HBase 0.96
[HBASE-6238]: Grant on META not taking effect
[HBASE-6241]: HBaseCluster interface for interacting with the cluster from system tests
[HBASE-6252]: TABLE ADMIN should be allowed to relocate regions
[HBASE-6253]: Do not allow user to disable or drop ACL table
[HBASE-6282]: The introspection, etc. of objects in the RPC has to be handled for PB objects
[HBASE-6292]: Compact can skip the security access control
[HBASE-6302]: Document how to run integration tests
[HBASE-6353]: Snapshots shell
[HBASE-6355]: Allow HBase to compile against JDK7
[HBASE-6405]: Create Hadoop compatibilty modules and Metrics2 implementation of replication metrics
[HBASE-6408]: Naming and documenting of the hadoop-metrics2.properties file
[HBASE-6409]: Create histogram class for metrics 2
[HBASE-6410]: Move RegionServer Metrics to metrics2
[HBASE-6411]: Move Master Metrics to metrics 2
[HBASE-6412]: Move external servers to metrics2 (thrift,thrift2,rest)
[HBASE-6414]: Remove the WritableRpcEngine & associated Invocation classes
[HBASE-6501]: Integrate with unit-testing tools of hadoop's metrics2 framework
[HBASE-6524]: Hooks for hbase tracing
[HBASE-6568]: Extract daemon thread factory from HTable into its own class
[HBASE-6569]: Extract HStore interface from Store
[HBASE-6570]: Fix hfile/log cleaning delegate method naming
[HBASE-6571]: Generic multi-thread/cross-process error handling framework
[HBASE-6598]: Combine Master Metrics into a single class.
[HBASE-6601]: TestImportExport on Hadoop 2 must copy YARN configuration vars
[HBASE-6610]: HFileLink: Hardlink alternative for snapshot restore
[HBASE-6614]: General cleanup/optimizations of the protobuf RPC engine & associated RPC code
[HBASE-6630]: Port HBASE-6590 to trunk : Assign sequence number to bulk loaded files
[HBASE-6717]: Remove hadoop-metrics.properties when everything has moved over.
[HBASE-6718]: Clean up BaseMetricsSourceImpl
[HBASE-6765]: 'Take a snapshot' interface
[HBASE-6777]: Snapshot Restore interface
[HBASE-6785]: Convert AggregateProtocol to protobuf defined coprocessor service
[HBASE-6786]: Convert MultiRowMutationProtocol to protocol buffer service
[HBASE-6787]: Convert RowProcessorProtocol to protocol buffer service
[HBASE-6788]: Convert AuthenticationProtocol to protocol buffer service
[HBASE-6789]: Convert test CoprocessorProtocol implementations to protocol buffer services
[HBASE-6802]: Export Snapshot
[HBASE-6809]: Deprecate Old metrics classes.
[HBASE-6815]: [WINDOWS] Provide hbase scripts in order to start HBASE on Windows in a single user mode
[HBASE-6816]: [WINDOWS] line endings on checkout for .sh files
[HBASE-6825]: [WINDOWS] Java NIO socket channels does not work with Windows ipv6
[HBASE-6863]: Offline snapshots
[HBASE-6864]: Online snapshots scaffolding
[HBASE-6865]: Snapshot File Cleaners
[HBASE-6887]: Convert security-related shell commands to use PB-based AccessControlService
[HBASE-6917]: Trunk jdk7 build broke because we moved to zk 3.4.4
[HBASE-6921]: String and ConcurrentHashMap sizes change on jdk7; makes TestHeapSize fail; second attempt
[HBASE-6925]: Change socket write size from 8K to 64K for HBaseServer
[HBASE-6945]: Compilation errors when using non-Sun JDKs to build HBase-0.94
[HBASE-6957]: TestRowCounter consistently fails against hadoop-2.0
[HBASE-6965]: Generic MXBean Utility class to support all JDK vendors
[HBASE-7042]: Master Coprocessor Endpoint
[HBASE-7062]: Move HLog stats to metrics 2
[HBASE-7076]: Add test that increment/append properly integrate with MVCC
[HBASE-7077]: Test for: CheckAndPut should properly read MVCC
[HBASE-7078]: Add a test that append is atomic
[HBASE-7107]: Snapshot References Utils (FileSystem Visitor)
[HBASE-7109]: integration tests on cluster are not getting picked up from distribution
[HBASE-7113]: TestGzipFilter is flaky with jdk1.7
[HBASE-7121]: Fix TestHFileOutputFormat after moving RS to metrics2
[HBASE-7145]: ReusableStreamGzipCodec NPE upon reset with IBM JDK
[HBASE-7146]: Fix the wrong reference to getReader survived in theFSHLog javadoc
[HBASE-7174]: [snapshots] Refactor snapshot file cleaner cache to use the Snapshot FileVisitor
[HBASE-7185]: Create hbase-protocol module
[HBASE-7186]: Split Classes for Client/Server module split.
[HBASE-7187]: Create empty hbase-client module
[HBASE-7188]: Move classes into hbase-client
[HBASE-7200]: create integration test for balancing regions and killing region servers
[HBASE-7201]: Convert HLog / HFile metadata content to PB
[HBASE-7206]: Foreign Exception framework v2 (simplifies and replaces HBASE-6571)
[HBASE-7207]: Consolidate snapshot related classes into fewer packages
[HBASE-7208]: Transition Offline Snapshots to ForeignExceptions
[HBASE-7212]: Globally Barriered Procedure mechanism
[HBASE-7222]: Enforce PB ser/de for user code bits in the protocol implementations
[HBASE-7224]: Remove references to Writable in the ipc package
[HBASE-7225]: on trunk, integration tests are not packaged into distribution
[HBASE-7238]: Size based scan metric broken by protobufs
[HBASE-7240]: Cleanup old snapshots on start
[HBASE-7262]: Move HBaseRPC metrics to metrics2
[HBASE-7294]: Check for snapshot file cleaners on start
[HBASE-7306]: [shell] Count shell command to return ruby bindable value.
[HBASE-7311]: Add snapshot information to hbase master webui
[HBASE-7315]: Remove support for client-side RowLocks
[HBASE-7321]: Simple Flush Snapshot
[HBASE-7331]: Add access control for region open and close, row locking, and stopping the regionserver
[HBASE-7336]: HFileBlock.readAtOffset does not work well with multiple threads
[HBASE-7339]: Splitting a hfilelink causes region servers to go down.
[HBASE-7352]: clone operation from HBaseAdmin can hang forever.
[HBASE-7354]: Snapshot Info/Debug Tool
[HBASE-7365]: Safer table creation and deletion using .tmp dir
[HBASE-7367]: Snapshot coprocessor and ACL security
[HBASE-7371]: Blocksize in TestHFileBlock is unintentionally small
[HBASE-7387]: StoreScanner need to be able to be subclassed
[HBASE-7388]: Snapshot branch 12/18 rebase broke TestSnapshotFromMaster#testSnapshotHFileArchiving
[HBASE-7389]: HBASE-7365 Snapshot clone/restore followup
[HBASE-7399]: Health check chore for HMaster
[HBASE-7400]: ExportSnapshot mapper closes the FileSystem
[HBASE-7405]: Enforce PB ser/de for Aggregate protocol and associated ColumnInterpreter user code bits
[HBASE-7406]: Example health checker script
[HBASE-7414]: Convert some HFile metadata to PB
[HBASE-7419]: revisit hfilelink file name format.
[HBASE-7420]: TestSnapshotExceptionSnare and TestWALReferenceTask missing test annotation failing TestCheckTestClasses
[HBASE-7430]: TestSnapshotDescriptionUtils break compaction/scanner tests (EnvironmentEdge issue)
[HBASE-7431]: TestSplitTransactionOnCluster tests still flaky
[HBASE-7436]: Improve stack trace info dumped by ForeignExceptionSnare#rethrowException
[HBASE-7438]: TestSplitTransactionOnCluster has too many infinite loops
[HBASE-7439]: HFileLink should not use the configuration from the Filesystem
[HBASE-7452]: Change ForeignException#receive(String, FE) to only be #receive(FE)
[HBASE-7453]: HBASE-7423 snapshot followup
[HBASE-7454]: Move ErrorHandling protos from hbase-server to hbase-protocol
[HBASE-7471]: Enable Cleaners required for Snapshots by default
[HBASE-7480]: Explicit message for not allowed snapshot on meta tables
[HBASE-7484]: Fix Restore with schema changes
[HBASE-7496]: TestZKProcedure fails interrmittently.
[HBASE-7516]: Make compaction policy pluggable
[HBASE-7518]: Move AuthResult out of AccessController
[HBASE-7523]: Snapshot attempt with the name of a previously taken snapshots fails sometimes.
[HBASE-7533]: Write an RPC Specification for 0.96
[HBASE-7535]: Fix restore reference files
[HBASE-7536]: Add test that confirms that multiple concurrent snapshot requests are rejected.
[HBASE-7538]: Improve snapshot related error and exception messages
[HBASE-7547]: Fix findbugs warnings in snapshot classes
[HBASE-7548]: Fix javadoc warnings in snapshot classes
[HBASE-7558]: Client not able to access /hbase/unassigned in secure cluster
[HBASE-7559]: Add additional Snapshots Unit Test Coverage
[HBASE-7563]: move CompoundConfiguration to common and add string map support
[HBASE-7565]: [replication] Create an interface for the replication state node
[HBASE-7570]: rename user metadata dictionary in shell from CONFIG
[HBASE-7571]: add the notion of per-table or per-column family configuration
[HBASE-7583]: Fixes and cleanups
[HBASE-7603]: refactor storefile management in HStore in order to support things like LevelDB-style compactions
[HBASE-7604]: Remove duplicated code from HFileLink
[HBASE-7616]: NPE in ZKProcedureCoordinator$1.nodeCreated
[HBASE-7622]: Add table descriptor verification after snapshot restore
[HBASE-7625]: Remove duplicated logFSTree() from TestRestoreFlushSnapshotFromClient
[HBASE-7651]: RegionServerSnapshotManager fails with CancellationException if previous snapshot fails in per region task
[HBASE-7666]: More logging improvements in online snapshots code.
[HBASE-7674]: add shell documentation for HBASE-7571
[HBASE-7687]: TestCatalogTracker.testServerNotRunningIOException fails occasionally
[HBASE-7689]: CloneTableHandler notify completion too early
[HBASE-7703]: Eventually all online snapshots failing due to Timeout at same regionserver.
[HBASE-7720]: improve logging messages of failed snapshot attempts.
[HBASE-7733]: Fix flaky TestZKProcedure.testMultiCohortWithMemberTimeoutDuringPrepare
[HBASE-7739]: [snapshot 130201 merge] Fix TestSnapshotFromMaster failure
[HBASE-7742]: [snapshot 130201 merge] Fix TestHFileArchving#testArchiveOnTableDelete
[HBASE-7747]: Import tools should use a combiner to merge Puts
[HBASE-7752]: [snapshot 130201 merge] Fix TestStoreFile failure
[HBASE-7753]: [snapshot 130201 merge] Fix unresolved merge conflicts
[HBASE-7764]: [snapshot 130201 merge] Fix TestSnapshotCloneIndependence failure
[HBASE-7778]: [snapshot 130201 merge] Tests with sleep after minicluster shutdown fail due to interrupt flag.
[HBASE-7779]: [snapshot 130201 merge] Fix TestMultiParallel
[HBASE-7783]: [snapshot 130201 merge] Remove accidentally committed hbase-server/bin files
[HBASE-7784]: move the code related to compaction selection specific to default compaction policy, into default compaction policy (from HStore)
[HBASE-7788]: [snapshot 130201 merge] Fix flakey TestRestore*SnapshotFromClient#testCloneSnapshot
[HBASE-7795]: Race in the Restore Archiving
[HBASE-7796]: [snapshot 130201 merge] Fix TestSnapshotFromClient and TestFlushSnapshotFromClient
[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-7858]: cleanup before merging snapshots branch to trunk
[HBASE-7864]: Rename HMaster#listSnapshots as getCompletedSnapshots()
[HBASE-7889]: Fix javadoc warnings in snapshot classes, part 2
[HBASE-7899]: Cell block building tools: Cell codec and means of iterating an objects Cells
[HBASE-7900]: Have client Mutations (Put/Delete/etc.) and Result implement CellScanner Interface
[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-7975]: ImportTsv documentation update for table creation
[HBASE-7996]: Clean up resource leak in MultiTableInputFormat
[HBASE-8006]: use FSUtils to get/set hbase.rootdir
[HBASE-8011]: Refactor ImportTsv
[HBASE-8070]: Rollback support for Increments
[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
Bug:
[HBASE-1299]: JSPs don't HTML escape literals (ie: table names, region names, start & end keys)
[HBASE-1621]: merge tool should work on online cluster
[HBASE-2645]: HLog writer can do 1-2 sync operations after lease has been recovered for split process.
[HBASE-3170]: RegionServer confused about empty row keys
[HBASE-3443]: ICV optimization to look in memstore first and then store files (HBASE-3082) does not work when deletes are in the mix
[HBASE-3444]: Test to prove Bytes.toBytesBinary and Bytes.toStringBinary() is reversible
[HBASE-3585]: isLegalFamilyName() can throw ArrayOutOfBoundException
[HBASE-3870]: Purge copyrights from src headers
[HBASE-3890]: Scheduled tasks in distributed log splitting not in sync with ZK
[HBASE-4030]: LoadIncrementalHFiles fails with FileNotFoundException
[HBASE-4072]: Deprecate/disable and remove support for reading ZooKeeper zoo.cfg files from the classpath
[HBASE-4379]: [hbck] Does not complain about tables with no end region [Z,]
[HBASE-4470]: ServerNotRunningException coming out of assignRootAndMeta kills the Master
[HBASE-4538]: NPE in AssignmentManager#updateTimers
[HBASE-4575]: Inconsistent naming for ZK config parameters
[HBASE-4583]: Integrate RWCC with Append and Increment operations
[HBASE-4614]: Can't CopyTable between clusters if zoo.cfg is on the classpath
[HBASE-4709]: Hadoop metrics2 setup in test MiniDFSClusters spewing JMX errors
[HBASE-4802]: Disable show table metrics in bulk loader
[HBASE-4803]: Split log worker should terminate properly when waiting for znode
[HBASE-4891]: HTable.ClientScanner needs to clone the Scan object
[HBASE-4932]: Block cache can be mistakenly instantiated by tools
[HBASE-5071]: HFile has a possible cast issue.
[HBASE-5076]: HBase shell hangs when creating some 'illegal' tables.
[HBASE-5097]: RegionObserver implementation whose preScannerOpen and postScannerOpen Impl return null can stall the system initialization through NPE
[HBASE-5206]: Port HBASE-5155 to 0.92, 0.94, and TRUNK
[HBASE-5213]: "hbase master stop" does not bring down backup masters
[HBASE-5329]: addRowLock() may allocate duplicate lock id, causing the client to be blocked
[HBASE-5359]: Alter in the shell can be too quick and return before the table is altered
[HBASE-5412]: HBase book, section 2.6.4, has deficient list of client dependencies
[HBASE-5441]: HRegionThriftServer may not start because of a race-condition
[HBASE-5458]: Thread safety issues with Compression.Algorithm.GZ and CompressionTest
[HBASE-5480]: Fixups to MultithreadedTableMapper for Hadoop 0.23.2+
[HBASE-5486]: Warn message in HTable: Stringify the byte[]
[HBASE-5488]: OfflineMetaRepair doesn't support hadoop 0.20's fs.default.name property
[HBASE-5499]: dev-support/test-patch.sh does not have execute perms
[HBASE-5529]: MR test failures becuase MALLOC_ARENA_MAX is not set
[HBASE-5531]: Maven hadoop profile (version 23) needs to be updated with latest 23 snapshot
[HBASE-5546]: Master assigns region in the original region server when opening region failed
[HBASE-5553]: Revisit our jmx view
[HBASE-5562]: test-patch.sh reports a javadoc warning when there are no new javadoc warnings
[HBASE-5563]: HRegionInfo#compareTo should compare regionId as well
[HBASE-5564]: Bulkload is discarding duplicate records
[HBASE-5567]: test-patch.sh has logic error in findbugs check
[HBASE-5568]: Multi concurrent flushcache() for one region could cause data loss
[HBASE-5569]: Do not collect deleted KVs when they are still in use by a scanner.
[HBASE-5579]: A Delete Version could mask other values
[HBASE-5581]: Creating a table with invalid syntax does not give an error message when it fails
[HBASE-5586]: [replication] NPE in ReplicationSource when creating a stream to an inexistent cluster
[HBASE-5594]: Unable to stop a master that's waiting on -ROOT- during initialization
[HBASE-5596]: Few minor bugs from HBASE-5209
[HBASE-5598]: Analyse and fix the findbugs reporting by QA and add invalid bugs into findbugs-excludeFilter file
[HBASE-5603]: rolling-restart.sh script hangs when attempting to detect expiration of /hbase/master znode.
[HBASE-5606]: SplitLogManger async delete node hangs log splitting when ZK connection is lost
[HBASE-5611]: Replayed edits from regions that failed to open during recovery aren't removed from the global MemStore size
[HBASE-5613]: ThriftServer getTableRegions does not return serverName and port
[HBASE-5635]: If getTaskList() returns null, splitlogWorker would go down and it won't serve any requests
[HBASE-5636]: TestTableMapReduce doesn't work properly.
[HBASE-5656]: LoadIncrementalHFiles createTable should detect and set compression algorithm
[HBASE-5663]: MultithreadedTableMapper doesn't work.
[HBASE-5669]: AggregationClient fails validation for open stoprow scan
[HBASE-5672]: TestLruBlockCache#testBackgroundEvictionThread fails occasionally
[HBASE-5680]: Improve compatibility warning about HBase with Hadoop 0.23.x
[HBASE-5704]: HBASE-4398 mistakenly rolled back on trunk
[HBASE-5717]: Scanner metrics are only reported if you get to the end of a scanner
[HBASE-5722]: NPE in ZKUtil#getChildDataAndWatchForNewChildren when ZK not available or NW down.
[HBASE-5726]: TestSplitTransactionOnCluster occasionally failing
[HBASE-5727]: secure hbase build broke because of 'HBASE-5451 Switch RPC call envelope/headers to PBs'
[HBASE-5733]: AssignmentManager#processDeadServersAndRegionsInTransition can fail with NPE.
[HBASE-5736]: ThriftServerRunner.HbaseHandler.mutateRow() does not use ByteBuffer correctly
[HBASE-5740]: Compaction interruption may be due to balacing
[HBASE-5741]: ImportTsv does not check for table existence
[HBASE-5743]: Support GIT patches
[HBASE-5749]: "HBASE-5335 Dynamic Schema Config" broke build, missing change to HRegion heapsize
[HBASE-5755]: Region sever looking for master forever with cached stale data.
[HBASE-5757]: TableInputFormat should handle as many errors as possible
[HBASE-5759]: HBaseClient throws NullPointerException when EOFException should be used.
[HBASE-5772]: Unable to open the few links in http://hbase.apache.org/
[HBASE-5773]: HtablePool constructor not reading config files in certain cases
[HBASE-5780]: Fix race in HBase regionserver startup vs ZK SASL authentication
[HBASE-5781]: Zookeeper session got closed while trying to assign the region to RS using hbck -fix
[HBASE-5787]: Table owner can't disable/delete his/her own table
[HBASE-5794]: Jenkins builds timing out; undo setting hbase.client.retries.number to 100
[HBASE-5795]: HServerLoad$RegionLoad breaks 0.920.94 compatibility
[HBASE-5800]: Birds of a feather link on web page doesn't work.
[HBASE-5806]: Handle split region related failures on master restart and RS restart
[HBASE-5811]: TestLoadAndSwitchEncodeOnDisk fails sometimes
[HBASE-5817]: Fix uncategorized tests
[HBASE-5819]: SplitLogs function could leak resources
[HBASE-5824]: HRegion.incrementColumnValue is not used in trunk
[HBASE-5829]: Inconsistency between the "regions" map and the "servers" map in AssignmentManager
[HBASE-5830]: Cleanup SequenceFileLogWriter to use syncFs api from SequenceFile#Writer directly in trunk.
[HBASE-5837]: hbase shell deleteall to .META. allows insertion of malformed rowkey
[HBASE-5840]: Open Region FAILED_OPEN doesn't clear the TaskMonitor Status, keeps showing the old status
[HBASE-5848]: Create table with EMPTY_START_ROW passed as splitKey causes the HMaster to abort
[HBASE-5857]: RIT map in RS not getting cleared while region opening
[HBASE-5861]: Hadoop 23 compilation broken due to tests introduced in HBASE-5604
[HBASE-5864]: Error while reading from hfile in 0.94
[HBASE-5865]: test-util.sh broken with unittest updates
[HBASE-5866]: Canary in tool package but says its in tools.
[HBASE-5870]: Hadoop 23 compilation broken because JobTrackerRunner#getJobTracker() method is not found
[HBASE-5871]: Usability regression, we don't parse compression algos anymore
[HBASE-5873]: TimeOut Monitor thread should be started after atleast one region server registers.
[HBASE-5875]: Process RIT and Master restart may remove an online server considering it as a dead server
[HBASE-5876]: TestImportExport has been failing against hadoop 0.23 profile
[HBASE-5883]: Backup master is going down due to connection refused exception
[HBASE-5884]: MapReduce package info has broken link to bulk-loads
[HBASE-5885]: Invalid HFile block magic on Local file System
[HBASE-5894]: Table deletion failed but HBaseAdmin#deletetable reports it as success
[HBASE-5897]: prePut coprocessor hook causing substantial CPU usage
[HBASE-5902]: Some scripts are not executable
[HBASE-5908]: TestHLogSplit.testTralingGarbageCorruptionFileSkipErrorsPasses should not use append to corrupt the HLog
[HBASE-5909]: SlabStats should be a daemon thread
[HBASE-5916]: RS restart just before master intialization we make the cluster non operative
[HBASE-5918]: Master will block forever at startup if root server dies between assigning root and assigning meta
[HBASE-5922]: HalfStoreFileReader seekBefore causes StackOverflowError
[HBASE-5925]: Issue with only using the old config param hbase.hstore.compactionThreshold but not the corresponding new one
[HBASE-5927]: SSH and DisableTableHandler happening together does not clear the znode of the region and RIT map.
[HBASE-5928]: Hbck shouldn't npe when there are no tables.
[HBASE-5931]: HBase security profile doesn't compile
[HBASE-5962]: interop issue: RowMutations should be added at the end in HbaseObjectWriteable class
[HBASE-5963]: ClassCastException: FileSystem$Cache$ClientFinalizer cannot be cast to Thread
[HBASE-5964]: HFileSystem: "No FileSystem for scheme: hdfs"
[HBASE-5967]: OpenDataException because HBaseProtos.ServerLoad cannot be converted to an open data type
[HBASE-5971]: ServerLoad needs redo; can't be pb based
[HBASE-5974]: Scanner retry behavior with RPC timeout on next() seems incorrect
[HBASE-5975]: Failed suppression of fs shutdown hook with Hadoop 2.0.0
[HBASE-5986]: Clients can see holes in the META table when regions are being split
[HBASE-5990]: TestHCM failed with Hadoop 2.0.0
[HBASE-5992]: Generalization of region move implementation + manage draining servers in bulk assign
[HBASE-6002]: Possible chance of resource leak in HlogSplitter
[HBASE-6011]: Unable to start master in local mode
[HBASE-6012]: Handling RegionOpeningState for bulk assign
[HBASE-6018]: hbck fails with a RejectedExecutionException when >50 regions present
[HBASE-6021]: NullPointerException when running LoadTestTool without specifying compression type
[HBASE-6027]: Update the reference guide to reflect the changes in the security profile
[HBASE-6029]: HBCK doesn't recover Balance switch if exception occurs in onlineHbck()
[HBASE-6031]: RegionServer does not go down while aborting
[HBASE-6046]: Master retry on ZK session expiry causes inconsistent region assignments.
[HBASE-6047]: Put.has() can't determine result correctly
[HBASE-6049]: Serializing "List" containing null elements will cause NullPointerException in HbaseObjectWritable.writeObject()
[HBASE-6050]: HLogSplitter renaming recovered.edits and CJ removing the parent directory race, making the HBCK think cluster is inconsistent.
[HBASE-6059]: Replaying recovered edits would make deleted data exist again
[HBASE-6060]: Regions's in OPENING state from failed regionservers takes a long time to recover
[HBASE-6063]: Replication related failures on trunk after HBASE-5453
[HBASE-6065]: Log for flush would append a non-sequential edit in the hlog, leading to possible data loss
[HBASE-6069]: TableInputFormatBase#createRecordReader() doesn't initialize TableRecordReader which causes NPE
[HBASE-6070]: AM.nodeDeleted and SSH races creating problems for regions under SPLIT
[HBASE-6084]: Server Load does not display correctly on the ui
[HBASE-6087]: Add hbase-common module
[HBASE-6088]: Region splitting not happened for long time due to ZK exception while creating RS_ZK_SPLITTING node
[HBASE-6089]: SSH and AM.joinCluster causes Concurrent Modification exception.
[HBASE-6107]: Distributed log splitting hangs even there is no task under /hbase/splitlog
[HBASE-6108]: Use HRegion.closeHRegion instead of HRegion.close() and HRegion.getLog().close()
[HBASE-6112]: Fix hadoop-2.0 build
[HBASE-6113]: [eclipse] Fix eclipse import of hbase-assembly null pointer
[HBASE-6117]: Revisit default condition added to Switch cases in Trunk
[HBASE-6119]: Region server logs its own address at the end of getMaster()
[HBASE-6132]: ColumnCountGetFilter & PageFilter not working with FilterList
[HBASE-6138]: HadoopQA not running findbugs [Trunk]
[HBASE-6146]: Disabling of Catalog tables should not be allowed
[HBASE-6149]: Fix TestFSUtils creating dirs under top level dir
[HBASE-6150]: Remove empty files causing rat check fail
[HBASE-6156]: Improve multiop performances in HTable#flushCommits
[HBASE-6164]: Correct the bug in block encoding usage in bulkload
[HBASE-6167]: Fix xinclude for docs broke when we multi-moduled
[HBASE-6175]: TestFSUtils flaky on hdfs getFileStatus method
[HBASE-6178]: LoadTest tool no longer packaged after the modularization
[HBASE-6179]: Fix stylesheet broke since multimodule and address feedback gotten in new comment system
[HBASE-6195]: Increment data will be lost when the memstore is flushed
[HBASE-6196]: MR testcases TestImportExport does not run in Trunk with hadoop2.0
[HBASE-6197]: HRegion's append operation may lose data
[HBASE-6200]: KeyComparator.compareWithoutRow can be wrong when families have the same prefix
[HBASE-6227]: SSH and cluster startup causes data loss
[HBASE-6228]: Fixup daughters twice cause daughter region assigned twice
[HBASE-6229]: AM.assign() should not set table state to ENABLED directly.
[HBASE-6236]: Offline meta repair fails if the HBase base mount point is on a different cluster/volume than its parent in a ViewFS or similar FS
[HBASE-6237]: Fix race on ACL table creation in TestTablePermissions
[HBASE-6248]: Jetty init may fail if directory name contains "master"
[HBASE-6265]: Calling getTimestamp() on a KV in cp.prePut() causes KV not to be flushed
[HBASE-6269]: Lazyseek should use the maxSequenseId StoreFile's KeyValue as the latest KeyValue
[HBASE-6272]: In-memory region state is inconsistent
[HBASE-6281]: Assignment need not be called for disabling table regions during clean cluster start up.
[HBASE-6284]: Introduce HRegion#doMiniBatchMutation()
[HBASE-6285]: HBase master should log INFO message when it attempts to assign a region
[HBASE-6293]: HMaster does not go down while splitting logs even if explicit shutdown is called.
[HBASE-6303]: HCD.setCompressionType should use Enum support for storing compression types as strings
[HBASE-6306]: TestFSUtils fails against hadoop 2.0
[HBASE-6311]: Data error after majorCompaction caused by keeping MVCC for opened scanners
[HBASE-6316]: Confirm can upgrade to 0.96 from 0.94 by just stopping and restarting
[HBASE-6317]: Master clean start up and Partially enabled tables make region assignment inconsistent.
[HBASE-6318]: SplitLogWorker exited due to ConcurrentModificationException
[HBASE-6323]: [replication] most of the source metrics are wrong when there's multiple slaves
[HBASE-6325]: [replication] Race in ReplicationSourceManager.init can initiate a failover even if the node is alive
[HBASE-6326]: Avoid nested retry loops in HConnectionManager
[HBASE-6327]: HLog can be null when create table
[HBASE-6328]: FSHDFSUtils#recoverFileLease tries to rethrow InterruptedException but actually shallows it
[HBASE-6329]: Stopping META regionserver when splitting region could cause daughter region to be assigned twice
[HBASE-6336]: Split point should not be equal to start row or end row
[HBASE-6337]: [MTTR] Remove renaming tmp log file in SplitLogManager
[HBASE-6347]: -ROOT- and .META. are stale in table.jsp if they moved
[HBASE-6369]: HTable is not closed in AggregationClient
[HBASE-6375]: Master may be using a stale list of region servers for creating assignment plan during startup
[HBASE-6376]: bin/hbase command doesn't seem to be working
[HBASE-6377]: HBASE-5533 metrics miss all operations submitted via MultiAction
[HBASE-6380]: bulkload should update the store.storeSize
[HBASE-6381]: AssignmentManager should use the same logic for clean startup and failover
[HBASE-6389]: Modify the conditions to ensure that Master waits for sufficient number of Region Servers before starting region assignments
[HBASE-6392]: UnknownRegionException blocks hbck from sideline big overlap regions
[HBASE-6394]: verifyrep MR job map tasks throws NullPointerException
[HBASE-6396]: Fix NoSuchMethodError running against hadoop 2.0
[HBASE-6397]: [hbck] print out bulk load commands for sidelined regions if necessary
[HBASE-6406]: TestReplicationPeer.testResetZooKeeperSession and TestZooKeeper.testClientSessionExpired fail frequently
[HBASE-6420]: Gracefully shutdown logsyncer
[HBASE-6423]: Writes should not block reads on blocking updates to memstores
[HBASE-6429]: Filter with filterRow() returning true is incompatible with scan with limit
[HBASE-6431]: Some FilterList Constructors break addFilter
[HBASE-6439]: Ignore .archive directory as a table
[HBASE-6440]: SplitLogManager: log the exception when failed to finish split log file
[HBASE-6441]: MasterFS doesn't set scheme for internal FileSystem
[HBASE-6443]: HLogSplitter should ignore 0 length files
[HBASE-6445]: rat check fails if hs_err_pid26514.log dropped in tests
[HBASE-6455]: org.apache.hadoop.hbase.PerformanceEvaluation sets the map reduce output path as a child of input path
[HBASE-6468]: RowCounter may return incorrect result if column name is specified in command line
[HBASE-6479]: HFileReaderV1 caching the same parent META block could cause server abort when splitting
[HBASE-6481]: SkipFilter javadoc is incorrect
[HBASE-6487]: assign region doesn't check if the region is already assigned
[HBASE-6489]: Incorrect TaskTracker logfile name
[HBASE-6493]: HashSet of byte array is being used in couple of places
[HBASE-6495]: HBaseAdmin shouldn't expect HConnection to be an HConnectionImplementation
[HBASE-6499]: StoreScanner's QueryMatcher not reset on store update
[HBASE-6510]: Fix HConnection typo in TestFromClientSide
[HBASE-6513]: Test errors when building on MacOS
[HBASE-6518]: Bytes.toBytesBinary() incorrect trailing backslash escape
[HBASE-6528]: Raise the wait time for TestSplitLogWorker#testAcquireTaskAtStartup to reduce the failure probability
[HBASE-6564]: HDFS space is not reclaimed when a column family is deleted
[HBASE-6582]: Code generation does run under m2eclipse
[HBASE-6583]: Enhance Hbase load test tool to automatically create column families if not present
[HBASE-6584]: TestAssignmentManager#testDisablingTableRegionsAssignmentDuringCleanClusterStartup fails due to port 60000 already in use.
[HBASE-6604]: Bump log4j to 1.2.17
[HBASE-6607]: NullPointerException when accessing master web ui while master is initializing
[HBASE-6611]: Forcing region state offline cause double assignment
[HBASE-6622]: TestUpgradeFromHFileV1ToEncoding#testUpgrade fails in trunk
[HBASE-6634]: REST API ScannerModel's protobuf converter code duplicates the setBatch call
[HBASE-6637]: Move DaemonThreadFactory into Threads and Threads to hbase-common
[HBASE-6655]: thrift.TestThriftServerCmdLine takes too much time: 733.972 sec
[HBASE-6657]: Merge Filter and FilterBase
[HBASE-6658]: Rename WritableByteArrayComparable to something not mentioning Writable
[HBASE-6659]: Port HBASE-6508 Filter out edits at log split time
[HBASE-6665]: ROOT region should not be splitted even with META row as explicit split key
[HBASE-6667]: TestCatalogJanitor occasionally fails
[HBASE-6670]: Untangle mixture of protobuf and Writable reference / usage
[HBASE-6677]: Random ZooKeeper port in test can overrun max port
[HBASE-6682]: Bad characters in logs for server names: SplitLogManager: task following PBUF
[HBASE-6683]: Wrong warning in logs WARN org.apache.hadoop.ipc.HBaseServer: Methods length : 5
[HBASE-6684]: .META. timeout value is incorrect
[HBASE-6691]: HFile quarantine fails with missing files in hadoop 2.0
[HBASE-6692]: [shell] Cannot describe '.META.' or '-ROOT-' tables
[HBASE-6693]: Typo in Javadoc of AggregationClient.rowCount()
[HBASE-6697]: regionserver.TestPriorityRpc uses a fixed port (60020)
[HBASE-6700]: [replication] empty znodes created during queue failovers aren't deleted
[HBASE-6707]: TEST org.apache.hadoop.hbase.backup.example.TestZooKeeperTableArchiveClient.testMultipleTables flaps
[HBASE-6733]: [0.92 UNIT TESTS] TestReplication.queueFailover occasionally fails [Part-2]
[HBASE-6738]: Too aggressive task resubmission from the distributed log manager
[HBASE-6746]: Impacts of HBASE-6435 vs. HDFS 2.0 trunk
[HBASE-6748]: Endless recursive of deleteNode happened in SplitLogManager#DeleteAsyncCallback
[HBASE-6758]: [replication] The replication-executor should make sure the file that it is replicating is closed before declaring success on that file
[HBASE-6779]: Fix issues analysis.apache.org raises about StochasticLoadBalancer
[HBASE-6780]: On the master status page the Number of Requests per second is incorrect for RegionServer's
[HBASE-6781]: .archive directory should be added to HConstants.HBASE_NON_USER_TABLE_DIRS
[HBASE-6782]: HBase shell's 'status 'detailed'' should escape the printed keys
[HBASE-6794]: FilterBase should provide a default implementation of toByteArray
[HBASE-6795]: mvn compile fails on a fresh checkout with empty ~/.m2/repo
[HBASE-6801]: TestZooKeeperTableArchiveClient#testArchivingOnSingleTable sometimes fails in trunk
[HBASE-6806]: HBASE-4658 breaks backward compatibility / example scripts
[HBASE-6811]: TestDrainingServer#testDrainingServerWithAbort sometimes fails in trunk
[HBASE-6820]: [WINDOWS] MiniZookeeperCluster should ensure that ZKDatabase is closed upon shutdown()
[HBASE-6821]: [WINDOWS] In TestMetaMigrationConvertingToPB .META. table name causes file system problems on windows
[HBASE-6822]: [WINDOWS] MiniZookeeperCluster multiple daemons bind to the same port
[HBASE-6823]: [WINDOWS] TestSplitTransaction fails due to the Log handle not released by a call to DaughterOpener.start()
[HBASE-6824]: Introduce ${hbase.local.dir} and save coprocessor jars there
[HBASE-6826]: [WINDOWS] TestFromClientSide failures
[HBASE-6827]: [WINDOWS] TestScannerTimeout fails expecting a timeout
[HBASE-6828]: [WINDOWS] TestMemoryBoundedLogMessageBuffer failures
[HBASE-6829]: [WINDOWS] Tests should ensure that HLog is closed
[HBASE-6830]: [WINDOWS] Tests should not rely on local temp dir to be available in DFS
[HBASE-6831]: [WINDOWS] HBaseTestingUtility.expireSession() does not expire zookeeper session
[HBASE-6832]: [WINDOWS] Tests should use explicit timestamp for Puts, and not rely on implicit RS timing
[HBASE-6834]: HBaseClusterManager shell code breaks hadoop-2.0 build
[HBASE-6835]: HBaseAdmin.flush claims to be asynchronous but appears to be synchronous
[HBASE-6838]: Regionserver may generate identical scanner name
[HBASE-6843]: loading lzo error when using coprocessor
[HBASE-6846]: BitComparator bug: ArrayIndexOutOfBoundsException
[HBASE-6858]: Fix the incorrect BADVERSION checking in the recoverable zookeeper
[HBASE-6869]: Update our hadoop-2 to 2.0.1-alpha
[HBASE-6879]: Add HBase Code Template
[HBASE-6881]: All regionservers are marked offline even there is still one up
[HBASE-6894]: Adding metadata to a table in the shell is both arcane and painful
[HBASE-6904]: In the HBase shell, an error is thrown that states replication-related znodes already exist
[HBASE-6907]: KeyValue equals and compareTo methods should match
[HBASE-6915]: String and ConcurrentHashMap sizes change on jdk7; makes TestHeapSize fail
[HBASE-6918]: Debugging to help figure what is different up on jenkins when TestHeapSize runs
[HBASE-6926]: Cleanup some of the javadoc warnings.
[HBASE-6948]: shell create table script cannot handle split key which is expressed in raw bytes
[HBASE-6949]: Automatically delete empty directories in CleanerChore
[HBASE-6950]: TestAcidGuarantees system test now flushes too aggressively
[HBASE-6953]: Incorrect javadoc description of HFileOutputFormat regarding multiple column families
[HBASE-6958]: TestAssignmentManager sometimes fails
[HBASE-6962]: Upgrade hadoop 1 dependency to hadoop 1.1
[HBASE-6963]: unable to run hbck on a secure cluster
[HBASE-6971]: .META. directory does not contain .tableinfo serialization
[HBASE-6972]: HBase Shell deleteall should not require column to be defined
[HBASE-6974]: Metric for blocked updates
[HBASE-6978]: Minor typo in ReplicationSource SocketTimeoutException error handling
[HBASE-6989]: Avoid unneceseary regular expression matching in ruby code for "list" command
[HBASE-6991]: Escape "\" in Bytes.toStringBinary() and its counterpart Bytes.toBytesBinary()
[HBASE-6998]: Uncaught exception in main() makes the HMaster/HRegionServer process suspend
[HBASE-7000]: Fix the "INT_VACUOUS_COMPARISON" WARNING in KeyValue class
[HBASE-7001]: Fix the RCN Correctness Warning in MemStoreFlusher class
[HBASE-7002]: Fix all 4 findbug performance warnings
[HBASE-7005]: Upgrade Thrift lib to 0.9.0
[HBASE-7008]: Set scanner caching to a better default, disable Nagles
[HBASE-7018]: Fix and Improve TableDescriptor caching for bulk assignment
[HBASE-7019]: Can't pass SplitAlgo in hbase shell
[HBASE-7034]: Bad version, failed OPENING to OPENED but master thinks it is open anyways
[HBASE-7037]: ReplicationPeer logs at WARN level aborting server instead of at FATAL
[HBASE-7046]: Fix resource leak in TestHLogSplit#testOldRecoveredEditsFileSidelined
[HBASE-7048]: Regionsplitter requires the hadoop config path to be in hbase classpath
[HBASE-7051]: CheckAndPut should properly read MVCC
[HBASE-7056]: TestMetaMigrationConvertingToPB failed in HBase-TRUNK-on-Hadoop-2.0.0 two times consecutively
[HBASE-7060]: Region load balancing by table does not handle the case where a table's region count is lower than the number of the RS in the cluster
[HBASE-7070]: Scanner may retry forever after HBASE-5974
[HBASE-7083]: SSH#fixupDaughter should force re-assign missing daughter
[HBASE-7086]: Enhance ResourceChecker to log stack trace for potentially hanging threads
[HBASE-7091]: support custom GC options in hbase-env.sh
[HBASE-7092]: RegionServer OOM related to onlineregions
[HBASE-7095]: Cannot set 'lenAsVal' for KeyOnlyFilter from shell
[HBASE-7098]: Fix minor typos and formatting issues in HFileArchiver/HFileLink
[HBASE-7103]: Need to fail split if SPLIT znode is deleted even before the split is completed.
[HBASE-7104]: HBase includes multiple versions of netty: 3.5.0; 3.2.4; 3.2.2
[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-7130]: NULL qualifier is ignored
[HBASE-7134]: incrementColumnValue hooks no longer called from anywhere
[HBASE-7143]: TestMetaMigrationRemovingHTD fails when used with Hadoop 0.23/2.x
[HBASE-7148]: Some files in hbase-examples module miss license header
[HBASE-7153]: print gc option in hbase-env.sh affects hbase zkcli
[HBASE-7158]: Allow CopyTable to identify the source cluster (for replication scenarios)
[HBASE-7159]: Upgrade zookeeper dependency to 3.4.5
[HBASE-7165]: TestSplitLogManager.testUnassignedTimeout is flaky
[HBASE-7166]: TestSplitTransactionOnCluster tests are flaky
[HBASE-7168]: [dev] in the script called 'hbase', we don't check for errors when generating the classpath with mvn
[HBASE-7172]: TestSplitLogManager.testVanishingTaskZNode() fails when run individually and is flaky
[HBASE-7177]: TestZooKeeperScanPolicyObserver.testScanPolicyObserver is flaky
[HBASE-7180]: RegionScannerImpl.next() is inefficient.
[HBASE-7202]: Family Store Files are not archived on admin.deleteColumn()
[HBASE-7203]: Move example CoProcessor into hbase-examples
[HBASE-7205]: Coprocessor classloader is replicated for all regions in the HRegionServer
[HBASE-7214]: CleanerChore logs too much, so much so it obscures all else that is going on
[HBASE-7215]: Put, Delete, Increment, Result, all all HBase M/R classes still implement/use Writable
[HBASE-7229]: ClassFinder finds compat tests during mvn package, causing TestCheckTestClasses to fail
[HBASE-7232]: Remove HbaseMapWritable
[HBASE-7233]: Serializing KeyValues over RPC
[HBASE-7234]: Remove long-deprecated HServerAddress and HServerInfo Writables
[HBASE-7235]: TestMasterObserver is flaky
[HBASE-7243]: Test for creating a large number of regions
[HBASE-7256]: Quick Start Guide shows stable version as 0.95, in the stable folder it is 0.94
[HBASE-7258]: Hbase needs to create baseZNode recursively
[HBASE-7260]: Upgrade hadoop 1 dependency to hadoop 1.1.1
[HBASE-7264]: Improve Snappy installation documentation
[HBASE-7265]: Make Maven skip module test properties consistent
[HBASE-7268]: correct local region location cache information can be overwritten (or deleted) w/stale information from an old server
[HBASE-7269]: Testing in place does not work if not building with default profile
[HBASE-7270]: Remove MultiPut and MultiPutResponse to satisfy rat-check
[HBASE-7271]: Have a single executor for all zkWorkers in the assignment manager
[HBASE-7277]: Thrift default JMX port should be 10103 instead of 8093
[HBASE-7279]: Avoid copying the rowkey in RegionScanner, StoreScanner, and ScanQueryMatcher
[HBASE-7285]: HMaster fails to start with secure Hadoop
[HBASE-7290]: Online snapshots
[HBASE-7293]: [replication] Remove dead sinks from ReplicationSource.currentPeers and pick new ones
[HBASE-7299]: TestMultiParallel fails intermittently in trunk builds
[HBASE-7300]: HbckTestingUtil needs to keep a static executor to lower the number of threads used
[HBASE-7301]: Force ipv4 for unit tests
[HBASE-7305]: ZK based Read/Write locks for table operations
[HBASE-7307]: MetaReader.tableExists should not return false if the specified table regions has been split
[HBASE-7309]: Metrics refresh-task is not canceled when regions are closed, leaking HRegion objects
[HBASE-7314]: Can't start REST/Thrift server if HBASE_JMX_OPTS not set
[HBASE-7338]: Fix flaky condition for org.apache.hadoop.hbase.TestRegionRebalancing.testRebalanceOnRegionServerNumberChange
[HBASE-7342]: Split operation without split key incorrectly finds the middle key in off-by-one error
[HBASE-7355]: NPE in ClusterStatus PB conversion
[HBASE-7357]: HBaseClient and HBaseServer should use hbase.security.authentication when negotiating authentication
[HBASE-7363]: Fix javadocs warnings for hbase-server packages from master to end
[HBASE-7373]: table should not be required in AccessControlService
[HBASE-7376]: Acquiring readLock does not apply timeout in HRegion#flushcache
[HBASE-7382]: Port ZK.multi support from HBASE-6775 to 0.96
[HBASE-7383]: create integration test for HBASE-5416 (improving scan performance for certain filters)
[HBASE-7390]: Add extra test cases for assignement on the region server and fix the related issues
[HBASE-7407]: TestMasterFailover under tests some cases and over tests some others
[HBASE-7412]: Fix how HTableDescriptor handles default max file size and flush size
[HBASE-7421]: TestHFileCleaner->testHFileCleaning has an aggressive timeout
[HBASE-7423]: HFileArchiver should not use the configuration from the Filesystem
[HBASE-7435]: BuiltInGzipDecompressor is only released during full GC
[HBASE-7440]: ReplicationZookeeper#addPeer is racy
[HBASE-7443]: More findbugs fixes
[HBASE-7446]: Make the reference guide utf8 rather than 8859
[HBASE-7450]: orphan RPC connection in HBaseClient leaves "null" out member, causing NPE in HCM
[HBASE-7455]: Increase timeouts in TestReplication and TestSplitLogWorker
[HBASE-7457]: Fix javadoc warnings in hadoopqa tool, it complains about unsafe accesses
[HBASE-7458]: TestReplicationWithCompression fails intermittently in both PreCommit and trunk builds
[HBASE-7459]: NPE in HMaster TestlocalHBaseCluster
[HBASE-7464]: [REST] Sending HTML for errors is unhelpful
[HBASE-7467]: CleanerChore checkAndDeleteDirectory not deleting empty directories
[HBASE-7475]: TestUpgradeFromHFileV1ToEncoding.testUpgrade hangs
[HBASE-7476]: HBase shell count command doesn't escape binary output
[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-7485]: TestSplitLogManager is still flaky on windows
[HBASE-7486]: master pid file is not getting removed if we stop hbase from stop-hbase.sh
[HBASE-7488]: Implement HConnectionManager.locateRegions which is currently returning null
[HBASE-7489]: TestHCM is racy
[HBASE-7490]: dev-support script to generate protobuf code.
[HBASE-7495]: parallel seek in StoreScanner
[HBASE-7498]: Make REST server thread pool size configurable
[HBASE-7499]: TestScannerTimeout timeout is too aggressive.
[HBASE-7501]: Introduce MetaEditor method that both adds and deletes rows in .META. table
[HBASE-7502]: TestScannerTimeout fails on snapshot branch
[HBASE-7504]: -ROOT- may be offline forever after FullGC of RS
[HBASE-7505]: Server will hang when stopping cluster, caused by waiting for split threads
[HBASE-7506]: Judgment of carrying ROOT/META will become wrong when expiring server
[HBASE-7507]: Make memstore flush be able to retry after exception
[HBASE-7508]: Fix simple findbugs
[HBASE-7513]: HDFSBlocksDistribution shouldn't send NPEs when something goes wrong
[HBASE-7515]: Store.loadStoreFiles should close opened files if there's an exception
[HBASE-7520]: org.apache.hadoop.hbase.IntegrationTestRebalanceAndKillServersTargeted fails when I cd hbase-it and mvn verify
[HBASE-7524]: hbase-policy.xml is improperly set thus all rules in it can be by-passed
[HBASE-7527]: integration tests STILL won't run from tar.gz in trunk
[HBASE-7528]: Unhelpful NPE in hbck -repair when adopting orphans if no tableinfo is found.
[HBASE-7529]: Wrong ExecutorType for EventType.M_RS_OPEN_ROOT in trunk
[HBASE-7530]: [replication] Work around HDFS-4380 else we get NPEs
[HBASE-7531]: [replication] NPE in SequenceFileLogReader because ReplicationSource doesn't nullify the reader
[HBASE-7534]: [replication] TestReplication.queueFailover can fail because HBaseTestingUtility.createMultiRegions is dangerous
[HBASE-7537]: .regioninfo not created by createHRegion()
[HBASE-7542]: SCVF: Avoid sending two unwanted boolean values from client to RS
[HBASE-7545]: [replication] Break out TestReplication into manageable classes
[HBASE-7546]: Obtain a table read lock on region split operations
[HBASE-7549]: Make HTableInterface#batch() javadoc proper
[HBASE-7551]: nodeChildrenChange event may happen after the transition to RS_ZK_REGION_SPLITTING in SplitTransaction causing the SPLIT event to be missed in the master side.
[HBASE-7552]: Pass bufferSize param to FileLinkInputStream constructor within FileLink.open method, and remove unnecessary import packages.
[HBASE-7553]: TestServerCustomProtocol depends on the test methods execution order
[HBASE-7554]: TestZooKeeper depends on the execution order
[HBASE-7555]: Kill the remaining processus from other builds in the precommit env
[HBASE-7556]: TestAdmin depends on the execution order
[HBASE-7560]: TestCompactionState failures
[HBASE-7574]: Migrate to JUnit 4.11
[HBASE-7575]: FSUtils#getTableStoreFilePathMap should all ignore non-table folders
[HBASE-7578]: TestCatalogTracker hangs occasionally
[HBASE-7580]: TestAccessController fails in trunk
[HBASE-7581]: TestAccessController depends on the execution order
[HBASE-7584]: Improve TestAccessController.testAppend
[HBASE-7586]: Fix two findbugs warnings to get our count down to the tolerated number again
[HBASE-7587]: Fix two findbugs warning in RowResource
[HBASE-7588]: Fix two findbugs warning in MemStoreFlusher
[HBASE-7590]: Add a costless notifications mechanism from master to regionservers & clients
[HBASE-7594]: TestLocalHBaseCluster failing on ubuntu2
[HBASE-7595]: Fix one findbug warning in ReplicationSourceManager
[HBASE-7596]: Redundant FSTableDescriptor update
[HBASE-7597]: TestHBaseFsck#testRegionShouldNotBeDeployed seems to be flaky
[HBASE-7601]: Fix 8 remaining EQ findbug warnings from hbase-server.
[HBASE-7602]: TestFromClientSide.testPoolBehavior is incorrect
[HBASE-7619]: tiny correction in the book
[HBASE-7627]: UnsupportedOperationException in CatalogJanitor thread.
[HBASE-7635]: Proxy created by HFileSystem#createReorderingProxy() should implement Closeable
[HBASE-7637]: hbase-hadoop1-compat conflicts with -Dhadoop.profile=2.0
[HBASE-7642]: HBase shell cannot set Compression
[HBASE-7643]: HFileArchiver.resolveAndArchive() race condition may lead to snapshot data loss
[HBASE-7646]: Make forkedProcessTimeoutInSeconds configurable
[HBASE-7648]: TestAcidGuarantees.testMixedAtomicity hangs sometimes
[HBASE-7654]: Add List getCoprocessors() to HTableDescriptor
[HBASE-7656]: Clean up line endings to be LF in the repo
[HBASE-7657]: Make ModifyTableHandler synchronous
[HBASE-7665]: retry time sequence usage in HConnectionManager has off-by-one error
[HBASE-7669]: ROOT region wouldn't be handled by PRI-IPC-Handler
[HBASE-7670]: Synchronized operation in CatalogTracker would block handling ZK Event for long time
[HBASE-7671]: Flushing memstore again after last failure could cause data loss
[HBASE-7673]: Incorrect error logging when a replication peer is removed
[HBASE-7676]: [WINDOWS] TestClassFinder fails on Windows
[HBASE-7681]: Address some recent random test failures
[HBASE-7682]: Replace HRegion custom File-System debug, with FSUtils.logFileSystemState()
[HBASE-7688]: Master coprocessor RPCs don't propagate exceptions
[HBASE-7693]: Hostname returned by TableInputFormatBase.reverseDNS contains trailing period
[HBASE-7698]: race between RS shutdown thread and openregionhandler causes region to get stuck
[HBASE-7700]: TestColumnSeeking is mathematically bound to fail
[HBASE-7701]: Opening regions on dead server are not reassigned quickly
[HBASE-7702]: Adding filtering to Import jobs
[HBASE-7711]: rowlock release problem with thread interruptions in batchMutate
[HBASE-7715]: FSUtils#waitOnSafeMode can incorrectly loop on standby NN
[HBASE-7717]: Wait until regions are assigned in TestSplitTransactionOnCluster
[HBASE-7719]: HTableDescriptor.setDeferredLogFlush should be synchronized
[HBASE-7723]: Remove NameNode URI from ZK splitlogs
[HBASE-7725]: Add ability to create custom compaction request
[HBASE-7728]: deadlock occurs between hlog roller and hlog syncer
[HBASE-7729]: TestCatalogTrackerOnCluster.testbadOriginalRootLocation fails occasionally
[HBASE-7731]: Append/Increment methods in HRegion don't check whether the table is readonly or not
[HBASE-7736]: Port BigDecimalColumnInterpreter to 0.96
[HBASE-7740]: Recheck matching row for joined scanners
[HBASE-7751]: TestDelayedRpc occasionally fails in trunk
[HBASE-7756]: Strange code in ServerCallable#shouldRetry
[HBASE-7760]: tiny issue in ChaosMonkey: kills meta server instead of root
[HBASE-7761]: MemStore.USEMSLAB_DEFAULT is false, hbase-default.xml says it's true
[HBASE-7763]: Compactions not sorting based on size anymore.
[HBASE-7768]: zkcluster in local mode not seeing configurations in hbase-{site|default}.xml
[HBASE-7771]: Secure HBase Client in MR job causes tasks to wait forever
[HBASE-7772]: clusterId is not set in conf properly if only TableMapReduceUtil.initCredentials() is called
[HBASE-7776]: Use ErrorReporter/Log instead of System.out in hbck
[HBASE-7777]: HBCK check for lingering split parents should check for child regions
[HBASE-7785]: rolling-restart.sh script unable to check expiration of master znode
[HBASE-7786]: Consolidate HRegion creation/opening API
[HBASE-7787]: Remove HLogSplitter.RECOVERED_EDITS duplicate of HLog.RECOVERED_EDITS_DIR
[HBASE-7789]: Clean DeadServer.java and add a Jitter method in ConnectionUtils
[HBASE-7797]: Use consistent package name
[HBASE-7798]: ZKAssign logs the wrong server if the transition fails
[HBASE-7799]: reassigning region stuck in open still may not work correctly due to leftover ZK node
[HBASE-7800]: RegionMovedException can cause servers to play ping pong with client
[HBASE-7804]: Minor typo in Appendix B. hbck In Depth section of book
[HBASE-7813]: Bug in BulkDeleteEndpoint kills entire rows on COLUMN/VERSION Deletes
[HBASE-7829]: zookeeper kerberos conf keytab and principal parameters interchanged
[HBASE-7830]: Disable IntegrationTestRebalanceAndKillServersTargeted temporarily
[HBASE-7834]: Document Hadoop version support matrix in the book
[HBASE-7866]: TestSplitTransactionOnCluster.testSplitBeforeSettingSplittingInZK failed 3 times in a row
[HBASE-7867]: setPreallocSize is different with COMMENT in setupTestEnv in MiniZooKeeperCluster.java
[HBASE-7869]: Provide way to not start LogSyncer thread
[HBASE-7876]: Got exception when manually triggers a split on an empty region
[HBASE-7878]: recoverFileLease does not check return value of recoverLease
[HBASE-7879]: JUnit dependency in main from htrace
[HBASE-7883]: Update memstore size when removing the entries in append operation
[HBASE-7884]: ByteBloomFilter's performance can be improved by avoiding multiplication when generating hash
[HBASE-7901]: TestStore::testDeleteExpiredStoreFiles has a hidden issue
[HBASE-7911]: Remove duplicated code from CreateTableHandler
[HBASE-7913]: Secure Rest server should login before getting an instance of Rest servlet
[HBASE-7915]: Secure ThriftServer needs to login before calling HBaseHandler
[HBASE-7926]: SmallTests pollute the META descriptor
[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-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-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-7981]: TestSplitTransactionOnCluster.testShutdownFixupWhenDaughterHasSplit failed in 0.95 build #11
[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-7993]: add access control to HMaster offline region.
[HBASE-8002]: Make TimeOut Management for Assignment optional in master and regionservers
[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-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-8062]: Replace HBaseFsck.debugLsr() in TestFlushSnapshotFromClient with FSUtils.logFileSystemState()
[HBASE-8068]: TestMasterMetricsWrapper failed in 0.95 #60 jenkins
[HBASE-8069]: TestHLog is dependent on the execution order
[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-8116]: TestSnapshotCloneIndependence fails in trunk builds intermittently
[HBASE-8118]: TestTablePermission depends on the execution order
[HBASE-8122]: TestAccessController depends on the execution order
[HBASE-8123]: Replace HashMap/HashSet with TreeMap/TreeSet where byte[] is used as key
[HBASE-8128]: HTable#put improvements
[HBASE-8130]: initialize TableLockManager before initializing AssignmentManager
[HBASE-8131]: Create table handler needs to handle failure cases.
[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-8141]: Remove accidental uses of org.mortbay.log.Log
[HBASE-8142]: Sporadic TestZKProcedureControllers failures on trunk
[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-8160]: HMaster#move doesn't check if master initialized
[HBASE-8161]: setting blocking file count on table level doesn't work
[HBASE-8164]: TestTableLockManager fails intermittently in trunk builds
[HBASE-8166]: Avoid writing the memstor

New in HBase 0.94.7 (Apr 26, 2013)

Sub-task:
[HBASE-7615]: Add metrics for snapshots
[HBASE-7801]: Allow a deferred sync option per Mutation.
[HBASE-8210]: Backport the LoadTest portions of HBASE-7383
[HBASE-8316]: JoinedHeap for non essential column families should reseek instead of seek
Bug:
[HBASE-7401]: Remove warning message about running 'hbase migrate'
[HBASE-7658]: grant with an empty string as permission should throw an exception
[HBASE-7817]: Suggested JDWP debug options in hbase-env.sh are wrong
[HBASE-7824]: Improve master start up time when there is log splitting work
[HBASE-7925]: Back port HBASE-6881 into 0.94
[HBASE-7961]: truncate on disabled table should throw TableNotEnabledException.
[HBASE-8014]: Backport HBASE-6915 to 0.94.
[HBASE-8030]: znode path of online region servers is hard coded in rolling_restart.sh
[HBASE-8044]: split/flush/compact/major_compact from hbase shell does not work for region key with \x format
[HBASE-8081]: Backport HBASE-7213 (separate hlog for meta tables) to 0.94
[HBASE-8092]: bulk assignment in 0.94 doesn't handle ZK errors very well
[HBASE-8096]: [replication] NPE while replicating a log that is acquiring a new block from HDFS
[HBASE-8118]: TestTablePermission depends on the execution order
[HBASE-8125]: HBASE-7435 breaks BuiltInGzipDecompressor on Hadoop < 1.0.x
[HBASE-8127]: Region of a disabling or disabled table could be stuck in transition state when RS dies during Master initialization
[HBASE-8128]: HTable#put improvements
[HBASE-8131]: Create table handler needs to handle failure cases.
[HBASE-8142]: Sporadic TestZKProcedureControllers failures on trunk
[HBASE-8146]: IntegrationTestBigLinkedList does not work on distributed setup
[HBASE-8150]: server should not produce RAITE for already-opening region in 0.94 (because master retry logic handles this case poorly)
[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-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-8176]: Backport HBASE-5335 "Dynamic Schema Configurations" to 0.94
[HBASE-8179]: JSON formatting for cluster status is sort of broken
[HBASE-8188]: Avoid unnecessary row compare in StoreScanner
[HBASE-8192]: Logic errror causes infinite loop in HRegion.bulkLoadHFiles(List)
[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-8211]: Support for NN HA for 0.94
[HBASE-8212]: Introduce a new separator instead of hyphen('-') for renaming recovered queues' znodes
[HBASE-8213]: global authorization may lose efficacy
[HBASE-8215]: Removing existing .regioninfo in writeRegioninfoOnFilesystem
[HBASE-8222]: User class should implement equals() and hashCode()
[HBASE-8225]: [replication] minor code bug when registering ReplicationLogCleaner
[HBASE-8226]: HBaseTestingUtility#waitUntilAllRegionsAssigned won't return if it counts "too many" regions
[HBASE-8229]: Replication code logs like crazy if a target table cannot be found.
[HBASE-8230]: Possible NPE on regionserver abort if replication service has not been started
[HBASE-8231]: delete tests in table_tests.rb(TestShell) always running on empty table.
[HBASE-8232]: TestAccessController occasionally fails with IndexOutOfBoundsException
[HBASE-8246]: Backport HBASE-6318 to 0.94 where SplitLogWorker exits due to ConcurrentModificationException
[HBASE-8259]: Snapshot backport in 0.94.6 breaks rolling restarts
[HBASE-8266]: Master cannot start if TableNotFoundException is thrown while partial table recovery
[HBASE-8270]: Backport HBASE-8097 'MetaServerShutdownHandler may potentially keep bumping up DeadServer.numProcessing' to 0.94
[HBASE-8274]: Backport to 94: HBASE-7488 Implement HConnectionManager.locateRegions which is currently returning null
[HBASE-8276]: Backport hbase-6738 to 0.94 "Too aggressive task resubmission from the distributed log manager"
[HBASE-8285]: HBaseClient never recovers for single HTable.get() calls with no retries when regions move
[HBASE-8288]: HBaseFileSystem: Refactoring and correct semantics for createPath methods
[HBASE-8303]: Increse the test timeout to 60s when they are less than 20s
[HBASE-8313]: Add Bloom filter testing for HFileOutputFormat
[HBASE-8326]: mapreduce.TestTableInputFormatScan times out frequently
[HBASE-8352]: Rename '.snapshot' directory
[HBASE-8427]: Apache Rat is incorrectly excluding test source files
Improvement:
[HBASE-7410]: [snapshots] add snapshot/clone/restore/export docs to ref guide
[HBASE-7599]: Port HBASE-6066 (low hanging read path improvements) to 0.94
[HBASE-8148]: Allow IPC to bind on a specific address
[HBASE-8152]: Avoid creating empty reference file when splitkey is outside the key range of a store file
[HBASE-8174]: Backport HBASE-8161(setting blocking file count on table level doesn't work) to 0.94
[HBASE-8198]: Backport HBASE-8063(Filter HFiles based on first/last key) into 0.94
[HBASE-8199]: Eliminate exception for ExportSnapshot against the null table snapshot (with no data in)
[HBASE-8209]: Improve LoadTest extensibility
New Feature:
[HBASE-1936]: ClassLoader that loads from hdfs; useful adding filters to classpath without having to restart services
[HBASE-7415]: [snapshots] Add task information to snapshot operation
Task:
[HBASE-7929]: Reapply hbase-7507 "Make memstore flush be able to retry after exception" to 0.94 branch.
Test:
[HBASE-8106]: Test to check replication log znodes move is done correctly
[HBASE-8260]: create generic integration test for trunk and 94 that is more deterministic, can be run for longer and is less aggressive

New in HBase 0.90.6 (Apr 26, 2013)

INCOMPATIBLE CHANGES:
HBASE-5228 [REST] Rip out "transform" feature
BUG FIXES:
HBASE-5008 The clusters can't provide services because Region can't flush (Gaojinchao)
HBASE-5020 MetaReader#fullScan doesn't stop scanning when vistor returns false in 0.90 version (Chunhui Shen)
HBASE-4893 HConnectionImplementation is closed but not deleted (Mubarak)
HBASE-4970 Add a parameter so that keepAliveTime of Htable thread pool can be changed (gaojinchao)
HBASE-5060 HBase client is blocked forever (Jinchao)
HBASE-5073 Registered listeners not getting removed leading to memory leak in HBaseAdmin (Ramkrishna)
HBASE-5009 Failure of creating split dir if it already exists prevents splits from happening further
HBASE-5041 Major compaction on non existing table does not throw error (Shrijeet)
HBASE-5088 A concurrency issue on SoftValueSortedMap (Jieshan Bean and Lars H)
HBASE-5156 Backport HBASE-4899 - Region would be assigned twice easily with continually killing server and moving region in testing environment(Ram)
HBASE-5158 Backport HBASE-4878 - Master crash when splitting hlog may cause data loss (Ram)
HBASE-5168 Backport HBASE-5100 - Rollback of split could cause closed region to be opened again(Ram)
HBASE-5178 Backport HBASE-4101 - Regionserver Deadlock (Ram)
HBASE-5159 Backport HBASE-4079 - HTableUtil - helper class for loading data (Ram)
HBASE-5184 Backport HBASE-5152 - Region is on service before completing initialization when doing rollback of split, it will affect read correctness (Ram)
HBASE-5160 Backport HBASE-4397 - -ROOT-, .META. tables stay offline for too long in recovery phase after all RSs are shutdown at the same time (Ram)
HBASE-5160 Addendum adding the removed method in AssignmentManager (Ram)
HBASE-5192 Backport HBASE-4236 Don't lock the stream while serializing the response (Ram)
HBASE-5155 ServerShutDownHandler And Disable/Delete should not happen parallely leading to recreation of regions that were deleted (Ram)
HBASE-5153 Add retry logic in HConnectionImplementation#resetZooKeeperTrackers (Jieshan)
HBASE-5196 Failure in region split after PONR could cause region hole (Jimmy Xiang)
HBASE-5225 Backport HBASE-3845 -data loss because lastSeqWritten can miss memstore edits (Ram)
HBASE-5237 Addendum for HBASE-5160 and HBASE-4397 (Ram)
HBASE-5235 HLogSplitter writer thread's streams not getting closed when any of the writer threads has exceptions. (Ram)
HBASE-5243 LogSyncerThread not getting shutdown waiting for the interrupted flag (Ram)
HBASE-5269 IllegalMonitorStateException while retryin HLog split in 0.90 branch. (Ram)
HBASE-5137 MasterFileSystem.splitLog() should abort even if waitOnSafeMode() throws IOException (Ram)
HBASE-5271 Result.getValue and Result.getColumnLatest return the wrong column (Ghais Issa)
HBASE-5153 Addendum for 0.90 branch (Jieshan)
HBASE-5321 this.allRegionServersOffline not set to false after one RS comes online and assignment is done in 0.90. (Ram)
HBASE-5377 Fix licenses on the 0.90 branch.
HBASE-5379 Backport HBASE-4287 to 0.90 - If region opening fails, try to transition region back to "offline" in ZK
HBASE-5396 Handle the regions in regionPlans while processing ServerShutdownHandler(Jieshan)
HBASE-5364 Fix source files missing licenses in 0.92 and trunk; Addendum (Shaneal Manek)
HBASE-5490 Move the enum RS_ZK_REGION_FAILED_OPEN to the last of the enum list in 0.90 EventHandler (Ram)
IMPROVEMENT:
HBASE-5102 Change the default value of the property "hbase.connection.per.config" to false in hbase-default.xml
HBASE-5327 Print a message when an invalid hbase.rootdir is passed (Jimmy Xiang)
HBASE-5197 [replication] Handle socket timeouts in ReplicationSource to prevent DDOS
HBASE-5395 CopyTable needs to use GenericOptionsParser