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Posted to commits@hbase.apache.org by zg...@apache.org on 2021/04/11 11:59:34 UTC
svn commit: r46981 [2/4] - /dev/hbase/2.2.7RC0/
Added: dev/hbase/2.2.7RC0/CHANGES.md
==============================================================================
--- dev/hbase/2.2.7RC0/CHANGES.md (added)
+++ dev/hbase/2.2.7RC0/CHANGES.md Sun Apr 11 11:59:34 2021
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+# HBASE Changelog
+
+<!---
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Be careful doing manual edits in this file. Do not change format
+# of release header or remove the below marker. This file is generated.
+# DO NOT REMOVE THIS MARKER; FOR INTERPOLATING CHANGES!-->
+## Release 2.2.7 - Unreleased (as of 2021-04-11)
+
+
+
+### NEW FEATURES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-25587](https://issues.apache.org/jira/browse/HBASE-25587) | [hbck2] Schedule SCP for all unknown servers | Major | hbase-operator-tools, hbck2 |
+| [HBASE-25460](https://issues.apache.org/jira/browse/HBASE-25460) | Expose drainingServers as cluster metric | Major | metrics |
+| [HBASE-24776](https://issues.apache.org/jira/browse/HBASE-24776) | [hbtop] Support Batch mode | Major | hbtop |
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-25656](https://issues.apache.org/jira/browse/HBASE-25656) | Backport to branch-2.2: [HBASE-25548 Optionally allow snapshots to preserve cluster's max filesize config by setting it into table descriptor] | Major | . |
+| [HBASE-25621](https://issues.apache.org/jira/browse/HBASE-25621) | Balancer should check region plan source to avoid misplace region groups | Major | Balancer |
+| [HBASE-25541](https://issues.apache.org/jira/browse/HBASE-25541) | In WALEntryStream, set the current path to null while dequeing the log | Major | . |
+| [HBASE-25536](https://issues.apache.org/jira/browse/HBASE-25536) | Remove 0 length wal file from logQueue if it belongs to old sources. | Major | Replication |
+| [HBASE-25329](https://issues.apache.org/jira/browse/HBASE-25329) | Dump region hashes in logs for the regions that are stuck in transition for more than a configured amount of time | Minor | . |
+| [HBASE-25475](https://issues.apache.org/jira/browse/HBASE-25475) | Improve unit test for HBASE-25445 : SplitWALRemoteProcedure failed to archive split WAL | Minor | wal |
+| [HBASE-25449](https://issues.apache.org/jira/browse/HBASE-25449) | 'dfs.client.read.shortcircuit' should not be set in hbase-default.xml | Major | conf |
+| [HBASE-25483](https://issues.apache.org/jira/browse/HBASE-25483) | set the loadMeta log level to debug. | Major | MTTR, Region Assignment |
+| [HBASE-25318](https://issues.apache.org/jira/browse/HBASE-25318) | Configure where IntegrationTestImportTsv generates HFiles | Minor | integration tests |
+| [HBASE-24850](https://issues.apache.org/jira/browse/HBASE-24850) | CellComparator perf improvement | Critical | Performance, scan |
+| [HBASE-25425](https://issues.apache.org/jira/browse/HBASE-25425) | Some notes on RawCell | Trivial | . |
+| [HBASE-25246](https://issues.apache.org/jira/browse/HBASE-25246) | Backup/Restore hbase cell tags. | Major | backup&restore |
+| [HBASE-25328](https://issues.apache.org/jira/browse/HBASE-25328) | Add builder method to create Tags. | Minor | . |
+| [HBASE-25339](https://issues.apache.org/jira/browse/HBASE-25339) | Method parameter and member variable are duplicated in checkSplittable() of SplitTableRegionProcedure | Minor | . |
+| [HBASE-25237](https://issues.apache.org/jira/browse/HBASE-25237) | 'hbase master stop' shuts down the cluster, not the master only | Major | . |
+| [HBASE-25323](https://issues.apache.org/jira/browse/HBASE-25323) | Fix potential NPE when the zookeeper path of RegionServerTracker does not exist when start | Minor | . |
+| [HBASE-25187](https://issues.apache.org/jira/browse/HBASE-25187) | Improve SizeCachedKV variants initialization | Minor | . |
+| [HBASE-25261](https://issues.apache.org/jira/browse/HBASE-25261) | Upgrade Bootstrap to 3.4.1 | Major | security, UI |
+| [HBASE-25267](https://issues.apache.org/jira/browse/HBASE-25267) | Add SSL keystore type and truststore related configs for HBase RESTServer | Major | REST |
+| [HBASE-25003](https://issues.apache.org/jira/browse/HBASE-25003) | Backport HBASE-24350 and HBASE-24779 to branch-2.2 & branch-2.3 | Major | Replication |
+| [HBASE-25240](https://issues.apache.org/jira/browse/HBASE-25240) | gson format of RpcServer.logResponse is abnormal | Minor | . |
+| [HBASE-24859](https://issues.apache.org/jira/browse/HBASE-24859) | Optimize in-memory representation of mapreduce TableSplit objects | Major | mapreduce |
+| [HBASE-25224](https://issues.apache.org/jira/browse/HBASE-25224) | Maximize sleep for checking meta and namespace regions availability | Major | master |
+| [HBASE-25189](https://issues.apache.org/jira/browse/HBASE-25189) | [Metrics] Add checkAndPut and checkAndDelete latency metrics at table level | Minor | metrics |
+| [HBASE-25179](https://issues.apache.org/jira/browse/HBASE-25179) | Assert format is incorrect in HFilePerformanceEvaluation class. | Minor | Performance, test |
+| [HBASE-25146](https://issues.apache.org/jira/browse/HBASE-25146) | Add extra logging at info level to HFileCorruptionChecker in order to report progress | Major | hbck, hbck2 |
+| [HBASE-24981](https://issues.apache.org/jira/browse/HBASE-24981) | Enable table replication fails from 1.x to 2.x if table already exist at peer. | Major | Replication |
+| [HBASE-25109](https://issues.apache.org/jira/browse/HBASE-25109) | Add MR Counters to WALPlayer; currently hard to tell if it is doing anything | Major | . |
+| [HBASE-25079](https://issues.apache.org/jira/browse/HBASE-25079) | Upgrade Bootstrap to 3.3.7 | Major | security, UI |
+| [HBASE-24976](https://issues.apache.org/jira/browse/HBASE-24976) | REST Server failes to start without any error message | Major | REST |
+| [HBASE-25066](https://issues.apache.org/jira/browse/HBASE-25066) | Use FutureUtils.rethrow in AsyncTableResultScanner to better catch the stack trace | Major | Client, Scanners |
+| [HBASE-24991](https://issues.apache.org/jira/browse/HBASE-24991) | Replace MovedRegionsCleaner with guava cache | Minor | . |
+| [HBASE-25057](https://issues.apache.org/jira/browse/HBASE-25057) | Fix typo "memeber" | Trivial | documentation |
+| [HBASE-24872](https://issues.apache.org/jira/browse/HBASE-24872) | refactor valueOf PoolType | Minor | Client |
+| [HBASE-24827](https://issues.apache.org/jira/browse/HBASE-24827) | BackPort HBASE-11554 Remove Reusable poolmap Rpc client type. | Major | Client |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-25427](https://issues.apache.org/jira/browse/HBASE-25427) | [branch-2.2] Fix the ruby problem for pre-commit | Major | . |
+| [HBASE-25717](https://issues.apache.org/jira/browse/HBASE-25717) | RegionServer aborted due to ClassCastException | Major | . |
+| [HBASE-25692](https://issues.apache.org/jira/browse/HBASE-25692) | Failure to instantiate WALCellCodec leaks socket in replication | Major | Replication |
+| [HBASE-25568](https://issues.apache.org/jira/browse/HBASE-25568) | Upgrade Thrift jar to fix CVE-2020-13949 | Critical | Thrift |
+| [HBASE-25595](https://issues.apache.org/jira/browse/HBASE-25595) | TestLruBlockCache.testBackgroundEvictionThread is flaky | Major | . |
+| [HBASE-25646](https://issues.apache.org/jira/browse/HBASE-25646) | Possible Resource Leak in CatalogJanitor | Major | master |
+| [HBASE-25606](https://issues.apache.org/jira/browse/HBASE-25606) | Backporting HBASE-24885 to branch-2.2 | Major | hbck2, Region Assignment |
+| [HBASE-25644](https://issues.apache.org/jira/browse/HBASE-25644) | Scan#setSmall blindly sets ReadType as PREAD | Critical | . |
+| [HBASE-25609](https://issues.apache.org/jira/browse/HBASE-25609) | There is a problem with the SPLITS\_FILE in the HBase shell statement | Minor | shell |
+| [HBASE-25421](https://issues.apache.org/jira/browse/HBASE-25421) | There is no limit on the column family length when creating a table | Major | Client |
+| [HBASE-25371](https://issues.apache.org/jira/browse/HBASE-25371) | When openRegion fails during initial verification(before initializing and setting seq num), exception is observed during region close. | Major | Region Assignment |
+| [HBASE-25611](https://issues.apache.org/jira/browse/HBASE-25611) | ExportSnapshot chmod flag uses value as decimal | Major | . |
+| [HBASE-25599](https://issues.apache.org/jira/browse/HBASE-25599) | Backport TestZKSecretWatcher improvement to branch-2.2 | Minor | test |
+| [HBASE-25586](https://issues.apache.org/jira/browse/HBASE-25586) | Fix HBASE-22492 on branch-2 (SASL GapToken) | Major | rpc |
+| [HBASE-25598](https://issues.apache.org/jira/browse/HBASE-25598) | TestFromClientSide5.testScanMetrics is flaky | Major | . |
+| [HBASE-25556](https://issues.apache.org/jira/browse/HBASE-25556) | Frequent replication "Encountered a malformed edit" warnings | Minor | Operability, Replication |
+| [HBASE-25559](https://issues.apache.org/jira/browse/HBASE-25559) | Terminate threads of oldsources while RS is closing | Major | . |
+| [HBASE-25543](https://issues.apache.org/jira/browse/HBASE-25543) | When configuration "hadoop.security.authorization" is set to false, the system will still try to authorize an RPC and raise AccessDeniedException | Minor | IPC/RPC |
+| [HBASE-25523](https://issues.apache.org/jira/browse/HBASE-25523) | Region normalizer chore thread is getting killed | Major | Normalizer |
+| [HBASE-25499](https://issues.apache.org/jira/browse/HBASE-25499) | False-positive findbugs issue on branch-2.2 | Major | findbugs |
+| [HBASE-24813](https://issues.apache.org/jira/browse/HBASE-24813) | ReplicationSource should clear buffer usage on ReplicationSourceManager upon termination | Major | Replication |
+| [HBASE-25459](https://issues.apache.org/jira/browse/HBASE-25459) | WAL can't be cleaned in some scenes | Major | . |
+| [HBASE-25485](https://issues.apache.org/jira/browse/HBASE-25485) | Nightly build uses JDK11 for branch-2.2 | Critical | build, jenkins |
+| [HBASE-25467](https://issues.apache.org/jira/browse/HBASE-25467) | Fix error prone problems on branch-2.2 | Critical | build |
+| [HBASE-25441](https://issues.apache.org/jira/browse/HBASE-25441) | add security check for some APIs in RSRpcServices | Critical | . |
+| [HBASE-25432](https://issues.apache.org/jira/browse/HBASE-25432) | we should add security checks for setTableStateInMeta and fixMeta | Blocker | . |
+| [HBASE-25445](https://issues.apache.org/jira/browse/HBASE-25445) | Old WALs archive fails in procedure based WAL split | Critical | wal |
+| [HBASE-25447](https://issues.apache.org/jira/browse/HBASE-25447) | remoteProc is suspended due to OOM ERROR | Major | proc-v2 |
+| [HBASE-24755](https://issues.apache.org/jira/browse/HBASE-24755) | [LOG][RSGroup]Error message is confusing while adding a offline RS to rsgroup | Major | rsgroup |
+| [HBASE-25463](https://issues.apache.org/jira/browse/HBASE-25463) | Fix comment error | Minor | shell |
+| [HBASE-25277](https://issues.apache.org/jira/browse/HBASE-25277) | postScannerFilterRow impacts Scan performance a lot in HBase 2.x | Critical | Coprocessors, scan |
+| [HBASE-25332](https://issues.apache.org/jira/browse/HBASE-25332) | one NPE | Major | Zookeeper |
+| [HBASE-25230](https://issues.apache.org/jira/browse/HBASE-25230) | Embedded zookeeper server not clean up the old data | Minor | Zookeeper |
+| [HBASE-25345](https://issues.apache.org/jira/browse/HBASE-25345) | [Flakey Tests] branch-2 TestReadReplicas#testVerifySecondaryAbilityToReadWithOnFiles | Major | test |
+| [HBASE-25307](https://issues.apache.org/jira/browse/HBASE-25307) | ThreadLocal pooling leads to NullPointerException | Major | Client |
+| [HBASE-25330](https://issues.apache.org/jira/browse/HBASE-25330) | RSGroupInfoManagerImpl#moveServers return is not set of servers moved | Major | rsgroup |
+| [HBASE-25321](https://issues.apache.org/jira/browse/HBASE-25321) | The sort icons not shown after Upgrade JQuery to 3.5.1 | Major | UI |
+| [HBASE-25311](https://issues.apache.org/jira/browse/HBASE-25311) | ui throws NPE | Major | . |
+| [HBASE-25306](https://issues.apache.org/jira/browse/HBASE-25306) | The log in SimpleLoadBalancer#onConfigurationChange is wrong | Major | . |
+| [HBASE-25300](https://issues.apache.org/jira/browse/HBASE-25300) | 'Unknown table hbase:quota' happens when desc table in shell if quota disabled | Major | shell |
+| [HBASE-25255](https://issues.apache.org/jira/browse/HBASE-25255) | Master fails to initialize when creating rs group table | Critical | master, rsgroup |
+| [HBASE-25276](https://issues.apache.org/jira/browse/HBASE-25276) | Need to throw the original exception in HRegion#openHRegion | Major | . |
+| [HBASE-25238](https://issues.apache.org/jira/browse/HBASE-25238) | Upgrading HBase from 2.2.0 to 2.3.x fails because of âMessage missing required fields: stateâ | Critical | . |
+| [HBASE-25090](https://issues.apache.org/jira/browse/HBASE-25090) | CompactionConfiguration logs unrealistic store file sizes | Minor | Compaction |
+| [HBASE-25206](https://issues.apache.org/jira/browse/HBASE-25206) | Data loss can happen if a cloned table loses original split region(delete table) | Major | proc-v2, Region Assignment, snapshots |
+| [HBASE-25207](https://issues.apache.org/jira/browse/HBASE-25207) | Revisit the implementation and usage of RegionStates.include | Major | Region Assignment |
+| [HBASE-25204](https://issues.apache.org/jira/browse/HBASE-25204) | Nightly job failed as the name of jdk and maven changed | Major | . |
+| [HBASE-25093](https://issues.apache.org/jira/browse/HBASE-25093) | the RSGroupBasedLoadBalancer#retainAssignment throws NPE | Major | rsgroup |
+| [HBASE-25117](https://issues.apache.org/jira/browse/HBASE-25117) | ReplicationSourceShipper thread can not be finished | Major | . |
+| [HBASE-25168](https://issues.apache.org/jira/browse/HBASE-25168) | Unify WAL name timestamp parsers | Major | . |
+| [HBASE-25172](https://issues.apache.org/jira/browse/HBASE-25172) | No need timelineservice for branch-2.2 nightly job's hadoop integration test | Major | . |
+| [HBASE-25048](https://issues.apache.org/jira/browse/HBASE-25048) | [HBCK2] Bypassed parent procedures are not updated in store | Major | hbck2, proc-v2 |
+| [HBASE-25115](https://issues.apache.org/jira/browse/HBASE-25115) | HFilePrettyPrinter can't seek to the row which is the first row of a hfile | Major | HFile, tooling |
+| [HBASE-25135](https://issues.apache.org/jira/browse/HBASE-25135) | Convert the internal seperator while emitting the memstore read metrics to # | Minor | . |
+| [HBASE-25096](https://issues.apache.org/jira/browse/HBASE-25096) | WAL size in RegionServer UI is wrong | Major | . |
+| [HBASE-25077](https://issues.apache.org/jira/browse/HBASE-25077) | hbck.jsp page loading fails, logs NPE in master log. | Major | hbck |
+| [HBASE-25088](https://issues.apache.org/jira/browse/HBASE-25088) | CatalogFamilyFormat/MetaTableAccessor.parseRegionInfoFromRegionName incorrectly setEndKey to regionId | Critical | meta |
+| [HBASE-25097](https://issues.apache.org/jira/browse/HBASE-25097) | Wrong RIT page number in Master UI | Minor | UI |
+| [HBASE-24481](https://issues.apache.org/jira/browse/HBASE-24481) | HBase Rest: Request for region detail of a table which doesn't exits is success(200 success code) instead of 404 | Minor | . |
+| [HBASE-25047](https://issues.apache.org/jira/browse/HBASE-25047) | WAL split edits number is negative in RegionServerUI | Minor | UI, wal |
+| [HBASE-25021](https://issues.apache.org/jira/browse/HBASE-25021) | Nightly job should skip hadoop-2 integration test for master | Major | build, scripts |
+| [HBASE-25009](https://issues.apache.org/jira/browse/HBASE-25009) | Hbck chore logs wrong message when loading regions from RS report | Minor | . |
+| [HBASE-25014](https://issues.apache.org/jira/browse/HBASE-25014) | ScheduledChore is never triggered when initalDelay \> 1.5\*period | Major | . |
+| [HBASE-24958](https://issues.apache.org/jira/browse/HBASE-24958) | CompactingMemStore.timeOfOldestEdit error update | Critical | regionserver |
+| [HBASE-24885](https://issues.apache.org/jira/browse/HBASE-24885) | STUCK RIT by hbck2 assigns | Major | hbck2, Region Assignment |
+
+
+### TESTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-25370](https://issues.apache.org/jira/browse/HBASE-25370) | Fix flaky test TestClassFinder#testClassFinderDefaultsToOwnPackage | Major | test |
+| [HBASE-25156](https://issues.apache.org/jira/browse/HBASE-25156) | TestMasterFailover.testSimpleMasterFailover is flaky | Major | test |
+| [HBASE-24979](https://issues.apache.org/jira/browse/HBASE-24979) | Include batch mutatations in client operation timeout tests | Major | . |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-25605](https://issues.apache.org/jira/browse/HBASE-25605) | Try ignore the ExportSnapshot related unit tests for branch-2.2 | Major | . |
+| [HBASE-25629](https://issues.apache.org/jira/browse/HBASE-25629) | Reimplement TestCurrentHourProvider to not depend on unstable TZs | Major | test |
+| [HBASE-25545](https://issues.apache.org/jira/browse/HBASE-25545) | Fix the build problem for branch-2.2 | Major | . |
+| [HBASE-24900](https://issues.apache.org/jira/browse/HBASE-24900) | Make retain assignment configurable during SCP | Major | amv2 |
+| [HBASE-25221](https://issues.apache.org/jira/browse/HBASE-25221) | Backport HBASE-24368 "Let HBCKSCP clear 'Unknown Servers', even if RegionStateNode has RegionLocation == null" | Major | . |
+| [HBASE-25219](https://issues.apache.org/jira/browse/HBASE-25219) | Backport HBASE-24369 "Provide more information about merged child regions in Hbck Overlaps section, which cannot be fixed immediately" to branch-2.2 | Major | . |
+| [HBASE-25220](https://issues.apache.org/jira/browse/HBASE-25220) | Backport HBASE-24246 "Miscellaneous hbck2 fixMeta bulk merge fixes: better logging around merges/overlap-fixing, 'HBCK Report' overlap listing, and configuration" to branch-2.2 | Major | . |
+| [HBASE-25203](https://issues.apache.org/jira/browse/HBASE-25203) | Change the reference url to flaky list in our jenkins jobs | Major | flakies, jenkins |
+| [HBASE-25194](https://issues.apache.org/jira/browse/HBASE-25194) | Do not publish workspace in flaky find job | Major | jenkins |
+| [HBASE-25162](https://issues.apache.org/jira/browse/HBASE-25162) | Make flaky tests run more aggressively | Major | jenkins, scripts, test |
+| [HBASE-25163](https://issues.apache.org/jira/browse/HBASE-25163) | Increase the timeout value for nightly jobs | Major | jenkins, scripts, test |
+| [HBASE-22976](https://issues.apache.org/jira/browse/HBASE-22976) | [HBCK2] Add RecoveredEditsPlayer | Major | hbck2, walplayer |
+| [HBASE-25154](https://issues.apache.org/jira/browse/HBASE-25154) | Set java.io.tmpdir to project build directory to avoid writing std\*deferred files to /tmp | Major | build, test |
+| [HBASE-24503](https://issues.apache.org/jira/browse/HBASE-24503) | Backport HBASE-24492 to all 2.x branch | Minor | . |
+| [HBASE-25133](https://issues.apache.org/jira/browse/HBASE-25133) | Migrate HBase Nightly jenkins job from Hadoop to hbase | Major | jenkins, scripts |
+| [HBASE-25132](https://issues.apache.org/jira/browse/HBASE-25132) | Migrate flaky test jenkins job from Hadoop to hbase | Major | jenkins, scripts |
+| [HBASE-25107](https://issues.apache.org/jira/browse/HBASE-25107) | Migrate flaky reporting jenkins job from Hadoop to hbase | Major | jenkins, scripts |
+| [HBASE-25036](https://issues.apache.org/jira/browse/HBASE-25036) | Set version as 2.2.7-SNAPSHOT in branch-2.2 | Major | . |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-25553](https://issues.apache.org/jira/browse/HBASE-25553) | It is better for ReplicationTracker.getListOfRegionServers to return ServerName instead of String | Major | . |
+| [HBASE-25755](https://issues.apache.org/jira/browse/HBASE-25755) | Exclude tomcat-embed-core from libthrift | Critical | dependencies, Thrift |
+| [HBASE-25738](https://issues.apache.org/jira/browse/HBASE-25738) | Backport HBASE-24305 to branch-2.2 | Minor | . |
+| [HBASE-25600](https://issues.apache.org/jira/browse/HBASE-25600) | Increase timeout for HBase-Flaky-Tests on branch-2.2 | Trivial | test |
+| [HBASE-25601](https://issues.apache.org/jira/browse/HBASE-25601) | Remove search hadoop references in book | Major | documentation |
+| [HBASE-25083](https://issues.apache.org/jira/browse/HBASE-25083) | make sure the next hbase 1.y release has Hadoop 2.10 as a minimum version | Major | documentation, hadoop2 |
+| [HBASE-25342](https://issues.apache.org/jira/browse/HBASE-25342) | Upgrade error prone to 2.4.0 | Major | build |
+| [HBASE-25228](https://issues.apache.org/jira/browse/HBASE-25228) | Delete dev-support/jenkins\_precommit\_jira\_yetus.sh | Minor | build |
+| [HBASE-24200](https://issues.apache.org/jira/browse/HBASE-24200) | Upgrade to Yetus 0.12.0 | Minor | build |
+| [HBASE-25120](https://issues.apache.org/jira/browse/HBASE-25120) | Remove the deprecated annotation for MetaTableAccessor.getScanForTableName | Major | meta |
+| [HBASE-25073](https://issues.apache.org/jira/browse/HBASE-25073) | Should not use XXXService.Interface.class.getSimpleName as stub key prefix in AsyncConnectionImpl | Major | Client |
+| [HBASE-25004](https://issues.apache.org/jira/browse/HBASE-25004) | Log RegionTooBusyException details | Major | . |
+| [HBASE-24305](https://issues.apache.org/jira/browse/HBASE-24305) | Handle deprecations in ServerName | Minor | . |
+| [HBASE-24492](https://issues.apache.org/jira/browse/HBASE-24492) | ProtobufLogReader.readNext does not need looping | Minor | Replication, wal |
+
+
+
+## Release 2.2.6 - Unreleased (as of 2020-09-04)
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-24913](https://issues.apache.org/jira/browse/HBASE-24913) | Refactor TestJMXConnectorServer | Major | test |
+| [HBASE-24898](https://issues.apache.org/jira/browse/HBASE-24898) | Use EnvironmentEdge.currentTime() instead of System.currentTimeMillis() in CurrentHourProvider | Major | tooling |
+| [HBASE-24928](https://issues.apache.org/jira/browse/HBASE-24928) | balanceRSGroup should skip generating balance plan for disabled table and splitParent region | Major | Balancer |
+| [HBASE-24686](https://issues.apache.org/jira/browse/HBASE-24686) | [LOG] Log improvement in Connection#close | Major | Client, logging |
+| [HBASE-24912](https://issues.apache.org/jira/browse/HBASE-24912) | Enlarge MemstoreFlusherChore/CompactionChecker period for unit test | Major | . |
+| [HBASE-24854](https://issues.apache.org/jira/browse/HBASE-24854) | Correct the help content of assign and unassign commands in hbase shell | Minor | shell |
+| [HBASE-21721](https://issues.apache.org/jira/browse/HBASE-21721) | FSHLog : reduce write#syncs() times | Major | . |
+| [HBASE-24821](https://issues.apache.org/jira/browse/HBASE-24821) | Simplify the logic of getRegionInfo in TestFlushFromClient to reduce redundancy code | Minor | test |
+| [HBASE-20226](https://issues.apache.org/jira/browse/HBASE-20226) | Performance Improvement Taking Large Snapshots In Remote Filesystems | Minor | snapshots |
+| [HBASE-24757](https://issues.apache.org/jira/browse/HBASE-24757) | ReplicationSink should limit the batch rowcount for batch mutations based on hbase.rpc.rows.warning.threshold | Major | . |
+| [HBASE-24777](https://issues.apache.org/jira/browse/HBASE-24777) | InfoServer support ipv6 host and port | Minor | UI |
+| [HBASE-24696](https://issues.apache.org/jira/browse/HBASE-24696) | Include JVM information on Web UI under "Software Attributes" | Minor | UI |
+| [HBASE-24740](https://issues.apache.org/jira/browse/HBASE-24740) | Enable journal logging for HBase snapshot operation | Minor | master |
+| [HBASE-24578](https://issues.apache.org/jira/browse/HBASE-24578) | [WAL] Add a parameter to config RingBufferEventHandler's SyncFuture count | Major | wal |
+| [HBASE-24467](https://issues.apache.org/jira/browse/HBASE-24467) | Backport HBASE-23963: Split TestFromClientSide; it takes too long to complete timing out | Major | . |
+| [HBASE-24562](https://issues.apache.org/jira/browse/HBASE-24562) | Stabilize master startup with meta replicas enabled | Major | meta, read replicas |
+| [HBASE-24603](https://issues.apache.org/jira/browse/HBASE-24603) | Zookeeper sync() call is async | Critical | master, regionserver |
+| [HBASE-24205](https://issues.apache.org/jira/browse/HBASE-24205) | Create metric to know the number of reads that happens from memstore | Major | metrics |
+| [HBASE-24605](https://issues.apache.org/jira/browse/HBASE-24605) | Break long region names in the web UI | Minor | UI |
+| [HBASE-24102](https://issues.apache.org/jira/browse/HBASE-24102) | RegionMover should exclude draining/decommissioning nodes from target RSs | Major | . |
+| [HBASE-24592](https://issues.apache.org/jira/browse/HBASE-24592) | [brnach-2.2] Upgrade junit to 4.13 | Major | . |
+| [HBASE-24478](https://issues.apache.org/jira/browse/HBASE-24478) | The regionInfo parameter for MasterProcedureScheduler#waitRegions and MasterProcedureScheduler#wakeRegions should be plural | Minor | proc-v2 |
+| [HBASE-24524](https://issues.apache.org/jira/browse/HBASE-24524) | SyncTable logging improvements | Minor | . |
+| [HBASE-24483](https://issues.apache.org/jira/browse/HBASE-24483) | Add repeated prefix logging for MultipleColumnPrefixFilter | Minor | Filters |
+| [HBASE-24504](https://issues.apache.org/jira/browse/HBASE-24504) | refactor call setupCluster/tearDownCluster in TestTableSnapshotInputFormat | Minor | mapreduce, test |
+| [HBASE-24412](https://issues.apache.org/jira/browse/HBASE-24412) | Canary support check only one column family per RegionTask | Major | canary |
+| [HBASE-24455](https://issues.apache.org/jira/browse/HBASE-24455) | Correct the doc of "On the number of column families" | Minor | documentation |
+| [HBASE-24470](https://issues.apache.org/jira/browse/HBASE-24470) | Add store file info when log meessages in HStore. | Minor | logging, regionserver |
+| [HBASE-24416](https://issues.apache.org/jira/browse/HBASE-24416) | RegionNormalizer spliting region should not be limited by hbase.normalizer.min.region.count | Major | . |
+| [HBASE-24428](https://issues.apache.org/jira/browse/HBASE-24428) | Priority compaction for recently split daughter regions | Major | Compaction |
+| [HBASE-24371](https://issues.apache.org/jira/browse/HBASE-24371) | Add more details when print CompactionConfiguration info | Minor | regionserver |
+| [HBASE-24427](https://issues.apache.org/jira/browse/HBASE-24427) | HStore.add log format error | Minor | . |
+| [HBASE-24387](https://issues.apache.org/jira/browse/HBASE-24387) | TableSnapshotInputFormatImpl support row limit on each InputSplit | Major | mapreduce |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-24656](https://issues.apache.org/jira/browse/HBASE-24656) | [Flakey Tests] branch-2 TestMasterNoCluster.testStopDuringStart | Major | . |
+| [HBASE-19352](https://issues.apache.org/jira/browse/HBASE-19352) | Port HADOOP-10379: Protect authentication cookies with the HttpOnly and Secure flags | Major | . |
+| [HBASE-24971](https://issues.apache.org/jira/browse/HBASE-24971) | Upgrade JQuery to 3.5.1 | Major | security, UI |
+| [HBASE-24892](https://issues.apache.org/jira/browse/HBASE-24892) | config 'hbase.hregion.memstore.mslab.indexchunksize' not be used | Major | . |
+| [HBASE-24897](https://issues.apache.org/jira/browse/HBASE-24897) | RegionReplicaFlushHandler should handle NoServerForRegionException to avoid aborting RegionServer | Major | . |
+| [HBASE-23987](https://issues.apache.org/jira/browse/HBASE-23987) | NettyRpcClientConfigHelper will not share event loop by default which is incorrect | Major | Client, rpc |
+| [HBASE-24871](https://issues.apache.org/jira/browse/HBASE-24871) | Replication may loss data when refresh recovered replication sources | Major | Replication |
+| [HBASE-24926](https://issues.apache.org/jira/browse/HBASE-24926) | Should call setFailure in MergeTableRegionsProcedure when isMergeable returns false | Major | master, proc-v2 |
+| [HBASE-24884](https://issues.apache.org/jira/browse/HBASE-24884) | BulkLoadHFilesTool/LoadIncrementalHFiles should accept -D options from command line parameters | Minor | . |
+| [HBASE-24844](https://issues.apache.org/jira/browse/HBASE-24844) | Exception on standalone (master) shutdown | Minor | Zookeeper |
+| [HBASE-24665](https://issues.apache.org/jira/browse/HBASE-24665) | MultiWAL : Avoid rolling of ALL WALs when one of the WAL needs a roll | Major | wal |
+| [HBASE-23157](https://issues.apache.org/jira/browse/HBASE-23157) | WAL unflushed seqId tracking may wrong when Durability.ASYNC\_WAL is used | Major | regionserver, wal |
+| [HBASE-24625](https://issues.apache.org/jira/browse/HBASE-24625) | AsyncFSWAL.getLogFileSizeIfBeingWritten does not return the expected synced file length. | Critical | Replication, wal |
+| [HBASE-24788](https://issues.apache.org/jira/browse/HBASE-24788) | Fix the connection leaks on getting hbase admin from unclosed connection | Major | mapreduce |
+| [HBASE-24812](https://issues.apache.org/jira/browse/HBASE-24812) | Fix the precommit error for branch-2.2 | Major | . |
+| [HBASE-24713](https://issues.apache.org/jira/browse/HBASE-24713) | RS startup with FSHLog throws NPE after HBASE-21751 | Minor | wal |
+| [HBASE-24794](https://issues.apache.org/jira/browse/HBASE-24794) | hbase.rowlock.wait.duration should not be \<= 0 | Minor | regionserver |
+| [HBASE-24752](https://issues.apache.org/jira/browse/HBASE-24752) | NPE/500 accessing webui on master startup | Minor | master |
+| [HBASE-24775](https://issues.apache.org/jira/browse/HBASE-24775) | [hbtop] StoreFile size should be rounded off | Minor | hbtop |
+| [HBASE-24675](https://issues.apache.org/jira/browse/HBASE-24675) | On Master restart all servers are assigned to default rsgroup. | Major | rsgroup |
+| [HBASE-22146](https://issues.apache.org/jira/browse/HBASE-22146) | SpaceQuotaViolationPolicy Disable is not working in Namespace level | Major | . |
+| [HBASE-24742](https://issues.apache.org/jira/browse/HBASE-24742) | Improve performance of SKIP vs SEEK logic | Major | Performance, regionserver |
+| [HBASE-24721](https://issues.apache.org/jira/browse/HBASE-24721) | rename\_rsgroup overwriting the existing rsgroup. | Major | . |
+| [HBASE-24615](https://issues.apache.org/jira/browse/HBASE-24615) | MutableRangeHistogram#updateSnapshotRangeMetrics doesn't calculate the distribution for last bucket. | Major | metrics |
+| [HBASE-24720](https://issues.apache.org/jira/browse/HBASE-24720) | Meta replicas not cleaned when disabled | Minor | read replicas |
+| [HBASE-24693](https://issues.apache.org/jira/browse/HBASE-24693) | regioninfo#isLast() has a logic error | Minor | . |
+| [HBASE-24593](https://issues.apache.org/jira/browse/HBASE-24593) | [branch-2.2] Fix the maven compilation failure for nightly build | Major | . |
+| [HBASE-24546](https://issues.apache.org/jira/browse/HBASE-24546) | CloneSnapshotProcedure unlimited retry | Major | snapshots |
+| [HBASE-24657](https://issues.apache.org/jira/browse/HBASE-24657) | JsonBean representation of metrics at /jmx endpoint now quotes all numbers | Minor | metrics |
+| [HBASE-24117](https://issues.apache.org/jira/browse/HBASE-24117) | Shutdown AssignmentManager before ProcedureExecutor may cause SCP to accidentally skip assigning a region | Critical | proc-v2 |
+| [HBASE-24600](https://issues.apache.org/jira/browse/HBASE-24600) | Empty RegionAction added to MultiRequest in case of RowMutations/CheckAndMutate batch | Major | . |
+| [HBASE-24446](https://issues.apache.org/jira/browse/HBASE-24446) | Use EnvironmentEdgeManager to compute clock skew in Master | Minor | . |
+| [HBASE-24579](https://issues.apache.org/jira/browse/HBASE-24579) | Failed SASL authentication does not result in an exception on client side | Major | rpc |
+| [HBASE-24550](https://issues.apache.org/jira/browse/HBASE-24550) | Passing '-h' or '--help' to bin/hbase doesn't do as expected | Trivial | Operability, shell |
+| [HBASE-24516](https://issues.apache.org/jira/browse/HBASE-24516) | Parameter copyFiles should be passed in SecureBulkLoadClient | Minor | Replication |
+| [HBASE-24517](https://issues.apache.org/jira/browse/HBASE-24517) | AssignmentManager.start should add meta region to ServerStateNode | Critical | amv2 |
+| [HBASE-24189](https://issues.apache.org/jira/browse/HBASE-24189) | WALSplit recreates region dirs for deleted table with recovered edits data | Major | regionserver, wal |
+| [HBASE-23195](https://issues.apache.org/jira/browse/HBASE-23195) | FSDataInputStreamWrapper unbuffer can NOT invoke the classes that NOT implements CanUnbuffer but its parents class implements CanUnbuffer | Critical | io |
+| [HBASE-24529](https://issues.apache.org/jira/browse/HBASE-24529) | hbase.rs.evictblocksonclose is not honored when removing compacted files and closing the storefiles | Major | . |
+| [HBASE-24532](https://issues.apache.org/jira/browse/HBASE-24532) | Execute region plans with throttle should return succeeded plans | Major | . |
+| [HBASE-24511](https://issues.apache.org/jira/browse/HBASE-24511) | Ability to configure timeout between RPC retry to RS from master | Major | . |
+| [HBASE-24444](https://issues.apache.org/jira/browse/HBASE-24444) | Should shutdown mini cluster after class in TestMetaAssignmentWithStopMaster | Minor | test |
+| [HBASE-24515](https://issues.apache.org/jira/browse/HBASE-24515) | batch Increment/Append fails when retrying the RPC | Major | . |
+| [HBASE-24506](https://issues.apache.org/jira/browse/HBASE-24506) | async client deadlock | Blocker | asyncclient |
+| [HBASE-24513](https://issues.apache.org/jira/browse/HBASE-24513) | The default readRpcTimeout and writeRpcTimeout is incorrectly calculated in AsyncConnectionConfiguration | Critical | asyncclient, Client |
+| [HBASE-24499](https://issues.apache.org/jira/browse/HBASE-24499) | Use a client property for SaslConnection MAX\_ATTEMPTS (currently hardcoded to 5) | Minor | Client, security |
+| [HBASE-24280](https://issues.apache.org/jira/browse/HBASE-24280) | Hadoop2 and Hadoop3 profiles being activated simultaneously causing test failures | Major | . |
+| [HBASE-24454](https://issues.apache.org/jira/browse/HBASE-24454) | BucketCache disabled instantly before error duration toleration is reached due to timing issue | Major | BucketCache |
+| [HBASE-24379](https://issues.apache.org/jira/browse/HBASE-24379) | CatalogJanitor misreports region holes when there are actually over laps. | Major | master |
+| [HBASE-24426](https://issues.apache.org/jira/browse/HBASE-24426) | Missing regionName while logging warning in HBCKServerCrashProcedure | Minor | . |
+| [HBASE-24401](https://issues.apache.org/jira/browse/HBASE-24401) | Cell size limit check on append should consider 0 or less value to disable the check | Major | . |
+
+
+### TESTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-23814](https://issues.apache.org/jira/browse/HBASE-23814) | Add null checks and logging to misc set of tests | Trivial | . |
+| [HBASE-22548](https://issues.apache.org/jira/browse/HBASE-22548) | Split TestAdmin1 | Major | Admin, test |
+| [HBASE-22524](https://issues.apache.org/jira/browse/HBASE-22524) | Refactor TestReplicationSyncUpTool | Major | test |
+| [HBASE-21905](https://issues.apache.org/jira/browse/HBASE-21905) | TestFIFOCompactionPolicy is flaky | Major | test |
+| [HBASE-23974](https://issues.apache.org/jira/browse/HBASE-23974) | [Flakey Tests] Allow that server may not yet be cleared from DeadServers in TestHBCKSCP | Major | . |
+| [HBASE-24035](https://issues.apache.org/jira/browse/HBASE-24035) | [Flakey Tests] Disable TestClusterScopeQuotaThrottle#testUserNamespaceClusterScopeQuota | Major | . |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-24689](https://issues.apache.org/jira/browse/HBASE-24689) | Generate CHANGES.md and RELEASENOTES.md for 2.2.6 | Major | . |
+| [HBASE-24881](https://issues.apache.org/jira/browse/HBASE-24881) | Fix flaky TestMasterAbortAndRSGotKilled for branch-2.2 | Major | . |
+| [HBASE-24870](https://issues.apache.org/jira/browse/HBASE-24870) | Ignore TestAsyncTableRSCrashPublish | Major | . |
+| [HBASE-24946](https://issues.apache.org/jira/browse/HBASE-24946) | Remove the metrics assert in TestClusterRestartFailover | Major | . |
+| [HBASE-24948](https://issues.apache.org/jira/browse/HBASE-24948) | Reduce the resource of TestReplicationBase | Major | . |
+| [HBASE-24052](https://issues.apache.org/jira/browse/HBASE-24052) | Add debug+fix to TestMasterShutdown | Trivial | . |
+| [HBASE-24906](https://issues.apache.org/jira/browse/HBASE-24906) | Enlarge the wait time in TestReplicationEndpoint/TestMetaWithReplicasBasic | Major | . |
+| [HBASE-24904](https://issues.apache.org/jira/browse/HBASE-24904) | Speed up some unit tests | Major | . |
+| [HBASE-24895](https://issues.apache.org/jira/browse/HBASE-24895) | Speed up TestFromClientSide3 by reduce the table regions number | Major | . |
+| [HBASE-24907](https://issues.apache.org/jira/browse/HBASE-24907) | Turn off the balancer when test region admin api | Major | . |
+| [HBASE-24847](https://issues.apache.org/jira/browse/HBASE-24847) | Backport HBASE-23956: Use less resources running tests to branch-2.2 | Major | . |
+| [HBASE-24878](https://issues.apache.org/jira/browse/HBASE-24878) | Backport part of HBASE-24079 and HBASE-24034 | Major | . |
+| [HBASE-24879](https://issues.apache.org/jira/browse/HBASE-24879) | Fix the shellcheck download url | Major | . |
+| [HBASE-24150](https://issues.apache.org/jira/browse/HBASE-24150) | Allow module tests run in parallel | Major | build |
+| [HBASE-24126](https://issues.apache.org/jira/browse/HBASE-24126) | Up the container nproc uplimit from 10000 to 12500 | Major | build |
+| [HBASE-24876](https://issues.apache.org/jira/browse/HBASE-24876) | Fix the flaky job url in hbase-personality.sh | Major | . |
+| [HBASE-23851](https://issues.apache.org/jira/browse/HBASE-23851) | Log networks and bind addresses when multicast publisher/listener enabled | Trivial | . |
+| [HBASE-24841](https://issues.apache.org/jira/browse/HBASE-24841) | Change the jenkins job urls in our jenkinsfile | Major | build, scripts |
+| [HBASE-24846](https://issues.apache.org/jira/browse/HBASE-24846) | Address compaction races in TestFIFOCompactionPolicy | Major | Compaction, master |
+| [HBASE-24819](https://issues.apache.org/jira/browse/HBASE-24819) | Fix flaky test TestRaceBetweenSCPAndDTP and TestRaceBetweenSCPAndTRSP for branch-2.2 | Major | . |
+| [HBASE-24756](https://issues.apache.org/jira/browse/HBASE-24756) | Backport HBASE-24336 to branch-2.2 | Minor | metrics |
+| [HBASE-24690](https://issues.apache.org/jira/browse/HBASE-24690) | Set version to 2.2.6 in branch-2.2 for first RC of 2.2.6 | Major | . |
+| [HBASE-24630](https://issues.apache.org/jira/browse/HBASE-24630) | Purge dev javadoc from client bin tarball | Major | build |
+| [HBASE-24598](https://issues.apache.org/jira/browse/HBASE-24598) | Port HBASE-24380 (Improve WAL splitting log lines to enable sessionization) to branch-2.2 | Major | logging, Operability, wal |
+| [HBASE-24347](https://issues.apache.org/jira/browse/HBASE-24347) | Hadoop2&Hadoop3 profiles are both active when pre-commit PR builds run | Major | build |
+| [HBASE-24432](https://issues.apache.org/jira/browse/HBASE-24432) | Set version as 2.2.6-SNAPSHOT in branch-2.2 | Major | . |
+| [HBASE-23771](https://issues.apache.org/jira/browse/HBASE-23771) | [Flakey Tests] Test TestSplitTransactionOnCluster Again | Major | . |
+| [HBASE-24022](https://issues.apache.org/jira/browse/HBASE-24022) | Set version as 2.2.5-SNAPSHOT in branch-2.2 | Major | . |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-14847](https://issues.apache.org/jira/browse/HBASE-14847) | Add FIFO compaction section to HBase book | Major | documentation |
+| [HBASE-23866](https://issues.apache.org/jira/browse/HBASE-23866) | More test classifications | Trivial | test |
+| [HBASE-24658](https://issues.apache.org/jira/browse/HBASE-24658) | Update PolicyBasedChaosMonkey to handle uncaught exceptions | Minor | integration tests |
+| [HBASE-24635](https://issues.apache.org/jira/browse/HBASE-24635) | Split TestMetaWithReplicas | Major | test |
+| [HBASE-24367](https://issues.apache.org/jira/browse/HBASE-24367) | ScheduledChore log elapsed timespan in a human-friendly format | Minor | master, regionserver |
+| [HBASE-24500](https://issues.apache.org/jira/browse/HBASE-24500) | The behavior of RegionInfoBuilder.newBuilder(RegionInfo) is strange | Blocker | Client, read replicas |
+
+
+
+## Release 2.2.5 - Unreleased (as of 2020-05-21)
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-24386](https://issues.apache.org/jira/browse/HBASE-24386) | TableSnapshotScanner support scan limit | Major | Scanners, snapshots |
+| [HBASE-24164](https://issues.apache.org/jira/browse/HBASE-24164) | Retain the ReadRequests and WriteRequests of region on web UI after alter table | Major | metrics |
+| [HBASE-24355](https://issues.apache.org/jira/browse/HBASE-24355) | Fix typos in the HStore#compact annotation | Minor | . |
+| [HBASE-24345](https://issues.apache.org/jira/browse/HBASE-24345) | [ACL] renameRSGroup should require Admin level permission | Major | acl, rsgroup |
+| [HBASE-24328](https://issues.apache.org/jira/browse/HBASE-24328) | skip duplicate GCMultipleMergedRegionsProcedure while previous finished | Major | . |
+| [HBASE-24221](https://issues.apache.org/jira/browse/HBASE-24221) | Support bulkLoadHFile by family | Major | HFile |
+| [HBASE-24302](https://issues.apache.org/jira/browse/HBASE-24302) | Add an "ignoreTimestamps" option (defaulted to false) to HashTable/SyncTable tool | Major | . |
+| [HBASE-24199](https://issues.apache.org/jira/browse/HBASE-24199) | Procedure related metrics is not consumed in the JMX metric | Minor | metrics |
+| [HBASE-24252](https://issues.apache.org/jira/browse/HBASE-24252) | Implement proxyuser/doAs mechanism for hbase-http | Major | security, UI |
+| [HBASE-23264](https://issues.apache.org/jira/browse/HBASE-23264) | Resolve a TODO of BucketAllocator: "Why we add the extra 1024 bytes? Slop?" | Minor | BucketCache |
+| [HBASE-24222](https://issues.apache.org/jira/browse/HBASE-24222) | remove FSUtils.checkAccess and replace with FileSystem.access in HBCK | Major | Filesystem Integration |
+| [HBASE-24196](https://issues.apache.org/jira/browse/HBASE-24196) | [Shell] Add rename rsgroup command in hbase shell | Major | rsgroup, shell |
+| [HBASE-24166](https://issues.apache.org/jira/browse/HBASE-24166) | Duplicate implementation for acquireLock between CreateTableProcedure and its parent class | Minor | proc-v2 |
+| [HBASE-24148](https://issues.apache.org/jira/browse/HBASE-24148) | Upgrade Thrift to 0.13.0: 0.12.0 has outstanding CVEs. | Major | Thrift |
+| [HBASE-24112](https://issues.apache.org/jira/browse/HBASE-24112) | [RSGroup] Support renaming rsgroup | Major | rsgroup |
+| [HBASE-24181](https://issues.apache.org/jira/browse/HBASE-24181) | Add region info when log meessages in HRegion. | Minor | regionserver |
+| [HBASE-24099](https://issues.apache.org/jira/browse/HBASE-24099) | Use a fair ReentrantReadWriteLock for the region close lock | Major | . |
+| [HBASE-24077](https://issues.apache.org/jira/browse/HBASE-24077) | When encounter RowTooBigException, log the row info. | Minor | . |
+| [HBASE-24111](https://issues.apache.org/jira/browse/HBASE-24111) | Enable CompactionTool executions on non-HDFS filesystems | Major | Compaction, mapreduce, tooling |
+| [HBASE-24102](https://issues.apache.org/jira/browse/HBASE-24102) | RegionMover should exclude draining/decommissioning nodes from target RSs | Major | . |
+| [HBASE-24021](https://issues.apache.org/jira/browse/HBASE-24021) | Fail fast when bulkLoadHFiles method catch some IOException | Major | HFile, regionserver |
+| [HBASE-8868](https://issues.apache.org/jira/browse/HBASE-8868) | add metric to report client shortcircuit reads | Minor | metrics, regionserver |
+| [HBASE-24032](https://issues.apache.org/jira/browse/HBASE-24032) | [RSGroup] Assign created tables to respective rsgroup automatically instead of manual operations | Major | master, rsgroup |
+| [HBASE-23967](https://issues.apache.org/jira/browse/HBASE-23967) | Improve the accuracy of the method sizeToString | Minor | . |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-24364](https://issues.apache.org/jira/browse/HBASE-24364) | [Chaos Monkey] Invalid data block encoding in ChangeEncodingAction | Major | . |
+| [HBASE-24399](https://issues.apache.org/jira/browse/HBASE-24399) | [Flakey Tests] Some UTs about RSGroup should wait RSGroupInfoManager to be online | Minor | rsgroup |
+| [HBASE-20289](https://issues.apache.org/jira/browse/HBASE-20289) | Comparator for NormalizationPlan breaks comparator's convention | Minor | master |
+| [HBASE-24365](https://issues.apache.org/jira/browse/HBASE-24365) | MetricsTableWrapperAggregateImpl runnable fails due to exception and never runs | Minor | metrics |
+| [HBASE-24377](https://issues.apache.org/jira/browse/HBASE-24377) | MemStoreFlusher throw NullPointerException | Major | . |
+| [HBASE-24381](https://issues.apache.org/jira/browse/HBASE-24381) | The Size metrics in Master Webui is wrong if the size is 0 | Major | UI |
+| [HBASE-24135](https://issues.apache.org/jira/browse/HBASE-24135) | TableStateNotFoundException happends when table creation if rsgroup is enable | Minor | . |
+| [HBASE-24165](https://issues.apache.org/jira/browse/HBASE-24165) | maxPoolSize is logged incorrectly in ByteBufferPool | Minor | . |
+| [HBASE-23702](https://issues.apache.org/jira/browse/HBASE-23702) | \`hbase.hstore.flusher.count\` setting to 0 breaks HMaster | Major | regionserver |
+| [HBASE-23832](https://issues.apache.org/jira/browse/HBASE-23832) | Old config hbase.hstore.compactionThreshold is ignored | Critical | . |
+| [HBASE-24190](https://issues.apache.org/jira/browse/HBASE-24190) | Make kerberos value of hbase.security.authentication property case insensitive | Major | . |
+| [HBASE-24363](https://issues.apache.org/jira/browse/HBASE-24363) | Fix failed ut TestAssignmentManagerMetrics for branch-2.2 | Major | . |
+| [HBASE-24349](https://issues.apache.org/jira/browse/HBASE-24349) | Use rubocop 0.81.0 in Dockerfile | Blocker | build |
+| [HBASE-24273](https://issues.apache.org/jira/browse/HBASE-24273) | HBCK's "Orphan Regions on FileSystem" reports regions with referenced HFiles | Critical | hbck2 |
+| [HBASE-24322](https://issues.apache.org/jira/browse/HBASE-24322) | UnsafeAvailChecker should also check that required methods are available | Minor | . |
+| [HBASE-24314](https://issues.apache.org/jira/browse/HBASE-24314) | Some classes still use log4j logger directly | Blocker | logging |
+| [HBASE-24288](https://issues.apache.org/jira/browse/HBASE-24288) | Allow admin user to create table and do bulkLoad | Major | acl |
+| [HBASE-22710](https://issues.apache.org/jira/browse/HBASE-22710) | Wrong result in one case of scan that use raw and versions and filter together | Major | Scanners |
+| [HBASE-24282](https://issues.apache.org/jira/browse/HBASE-24282) | 'scandetail' log message is missing when responseTooSlow happens on the first scan rpc call | Major | Operability |
+| [HBASE-24274](https://issues.apache.org/jira/browse/HBASE-24274) | \`RESTApiClusterManager\` attempts to deserialize response using serialization API | Major | integration tests |
+| [HBASE-24281](https://issues.apache.org/jira/browse/HBASE-24281) | Remove some stale hadoop.version properties in the pom for sub modules | Major | hadoop3, pom |
+| [HBASE-24213](https://issues.apache.org/jira/browse/HBASE-24213) | Backport the pre commit changes for HBASE-24169 to all branches | Major | scripts |
+| [HBASE-24174](https://issues.apache.org/jira/browse/HBASE-24174) | Fix findbugs warning on ServiceAuthorizationManager | Major | . |
+| [HBASE-24177](https://issues.apache.org/jira/browse/HBASE-24177) | MetricsTable#updateFlushTime is wrong | Minor | metrics |
+| [HBASE-23833](https://issues.apache.org/jira/browse/HBASE-23833) | The relocated hadoop-thirdparty protobuf breaks HBase asyncwal | Major | wal |
+| [HBASE-24158](https://issues.apache.org/jira/browse/HBASE-24158) | [Flakey Tests] TestAsyncTableGetMultiThreaded | Major | . |
+| [HBASE-24186](https://issues.apache.org/jira/browse/HBASE-24186) | RegionMover ignores replicationId | Minor | read replicas |
+| [HBASE-24151](https://issues.apache.org/jira/browse/HBASE-24151) | [rsgroup] The master server aborted for IllegalThreadStateException | Minor | rsgroup |
+| [HBASE-24197](https://issues.apache.org/jira/browse/HBASE-24197) | TestHttpServer.testBindAddress failure with latest jetty | Major | . |
+| [HBASE-24176](https://issues.apache.org/jira/browse/HBASE-24176) | user\_permission '.\*' command failed to show all table permissions | Minor | shell |
+| [HBASE-24167](https://issues.apache.org/jira/browse/HBASE-24167) | [Flakey Tests] TestHRegionWithInMemoryFlush#testWritesWhileScanning gets stuck MVCC | Major | . |
+| [HBASE-23998](https://issues.apache.org/jira/browse/HBASE-23998) | Update license for jetty-client | Major | build, dependencies |
+| [HBASE-24074](https://issues.apache.org/jira/browse/HBASE-24074) | ConcurrentModificationException occurred in ReplicationSourceManager while refreshing the peer | Major | Replication |
+| [HBASE-24121](https://issues.apache.org/jira/browse/HBASE-24121) | [Authorization] ServiceAuthorizationManager isn't dynamically updatable. And it should be. | Major | rpc, security |
+| [HBASE-24122](https://issues.apache.org/jira/browse/HBASE-24122) | Change machine ulimit-l to ulimit-a so dumps full ulimit rather than just 'max locked memory' | Major | build |
+| [HBASE-24041](https://issues.apache.org/jira/browse/HBASE-24041) | [regression] Increase RESTServer buffer size back to 64k | Major | REST |
+| [HBASE-24057](https://issues.apache.org/jira/browse/HBASE-24057) | Add modules to mapreduce job classpaths | Major | mapreduce |
+| [HBASE-24040](https://issues.apache.org/jira/browse/HBASE-24040) | WALFactory.Providers.multiwal causes StackOverflowError | Minor | wal |
+| [HBASE-23949](https://issues.apache.org/jira/browse/HBASE-23949) | refactor loadBalancer implements for rsgroup balance by table to achieve overallbalanced | Major | rsgroup |
+| [HBASE-24043](https://issues.apache.org/jira/browse/HBASE-24043) | [Flakey Tests] TestAsyncRegionAdminApi, TestRegionMergeTransactionOnCluster fixes and debug | Major | flakies |
+| [HBASE-24019](https://issues.apache.org/jira/browse/HBASE-24019) | Correct exception messages for table null and namespace unavailable. | Minor | . |
+| [HBASE-24016](https://issues.apache.org/jira/browse/HBASE-24016) | Change nightly poll from cron @daily to pollSCM @daily; i.e. run nightly if a change ONLY | Major | . |
+| [HBASE-22103](https://issues.apache.org/jira/browse/HBASE-22103) | HDFS-13209 in Hadoop 3.3.0 breaks asyncwal | Major | hadoop3, wal |
+
+
+### TESTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-23957](https://issues.apache.org/jira/browse/HBASE-23957) | [flakey test] client.TestMultiParallel fails to read hbase-site.xml | Minor | test |
+| [HBASE-24080](https://issues.apache.org/jira/browse/HBASE-24080) | [flakey test] TestRegionReplicaFailover.testSecondaryRegionKill fails. | Major | read replicas |
+| [HBASE-23943](https://issues.apache.org/jira/browse/HBASE-23943) | Rubocop configuration needs updated | Minor | build |
+| [HBASE-24115](https://issues.apache.org/jira/browse/HBASE-24115) | Relocate test-only REST "client" from src/ to test/ and mark Private | Major | REST, security |
+| [HBASE-23999](https://issues.apache.org/jira/browse/HBASE-23999) | [flakey test] TestTableOutputFormatConnectionExhaust | Major | test |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-24218](https://issues.apache.org/jira/browse/HBASE-24218) | Add hadoop 3.2.x in hadoop check | Major | scripts |
+| [HBASE-24175](https://issues.apache.org/jira/browse/HBASE-24175) | [Flakey Tests] TestSecureExportSnapshot FileNotFoundException | Major | flakies |
+| [HBASE-23992](https://issues.apache.org/jira/browse/HBASE-23992) | Fix TestAdminShell and TestQuotasShell mistakenly broken by parent commit | Trivial | test |
+| [HBASE-24050](https://issues.apache.org/jira/browse/HBASE-24050) | Deprecated PBType on all 2.x branches | Major | Protobufs |
+| [HBASE-24022](https://issues.apache.org/jira/browse/HBASE-24022) | Set version as 2.2.5-SNAPSHOT in branch-2.2 | Major | . |
+| [HBASE-24009](https://issues.apache.org/jira/browse/HBASE-24009) | Backport the personality changes in HBASE-23989 to all active branches | Major | build |
+| [HBASE-23891](https://issues.apache.org/jira/browse/HBASE-23891) | Add an option to Actions to filter out meta RS | Minor | integration tests |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-24271](https://issues.apache.org/jira/browse/HBASE-24271) | Set values in \`conf/hbase-site.xml\` that enable running on \`LocalFileSystem\` out of the box | Major | . |
+| [HBASE-24258](https://issues.apache.org/jira/browse/HBASE-24258) | [Hadoop3.3] Update license for org.ow2.asm:\* | Minor | dependencies |
+| [HBASE-24301](https://issues.apache.org/jira/browse/HBASE-24301) | Update Apache POM to version 23 | Minor | . |
+| [HBASE-23896](https://issues.apache.org/jira/browse/HBASE-23896) | Snapshot owner cannot delete snapshot when ACL is enabled and Kerberos is not enabled | Major | . |
+| [HBASE-24138](https://issues.apache.org/jira/browse/HBASE-24138) | Ensure StochasticLoadBalancer can log details of decision to not run balancer | Major | Balancer, Operability |
+| [HBASE-23047](https://issues.apache.org/jira/browse/HBASE-23047) | ChecksumUtil.validateChecksum logs an INFO message inside a "if(LOG.isTraceEnabled())" block. | Minor | . |
+
+
+
+## Release 2.2.4 - Unreleased (as of 2020-03-11)
+
+### NEW FEATURES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-23710](https://issues.apache.org/jira/browse/HBASE-23710) | Priority configuration for system coprocessors | Major | Coprocessors |
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-22827](https://issues.apache.org/jira/browse/HBASE-22827) | Expose multi-region merge in shell and Admin API | Major | Admin, shell |
+| [HBASE-23864](https://issues.apache.org/jira/browse/HBASE-23864) | No need to submit SplitTableRegionProcedure/MergeTableRegionsProcedure when split/merge is disabled | Major | . |
+| [HBASE-23859](https://issues.apache.org/jira/browse/HBASE-23859) | Modify "Block locality" of RegionServer Web UI to human readable percentage | Trivial | . |
+| [HBASE-23802](https://issues.apache.org/jira/browse/HBASE-23802) | Remove unnecessary Configuration instantiation in LossyAccounting | Minor | metrics |
+| [HBASE-23822](https://issues.apache.org/jira/browse/HBASE-23822) | Fix typo in procedures.jsp | Trivial | website |
+| [HBASE-23686](https://issues.apache.org/jira/browse/HBASE-23686) | Revert binary incompatible change and remove reflection | Major | . |
+| [HBASE-23683](https://issues.apache.org/jira/browse/HBASE-23683) | Make HBaseInterClusterReplicationEndpoint more extensible | Major | Replication |
+| [HBASE-23646](https://issues.apache.org/jira/browse/HBASE-23646) | Fix remaining Checkstyle violations in tests of hbase-rest | Minor | . |
+| [HBASE-23674](https://issues.apache.org/jira/browse/HBASE-23674) | Too many rit page Numbers show confusion | Trivial | master |
+| [HBASE-23383](https://issues.apache.org/jira/browse/HBASE-23383) | [hbck2] \`fixHoles\` should queue assignment procedures for any regions its fixing | Minor | hbck2, master, Region Assignment |
+| [HBASE-23165](https://issues.apache.org/jira/browse/HBASE-23165) | [hbtop] Some modifications from HBASE-22988 | Minor | . |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-23953](https://issues.apache.org/jira/browse/HBASE-23953) | SimpleBalancer bug when second pass to fill up to min | Major | Balancer |
+| [HBASE-23954](https://issues.apache.org/jira/browse/HBASE-23954) | SplitParent region should not be balanced | Major | Balancer |
+| [HBASE-23944](https://issues.apache.org/jira/browse/HBASE-23944) | The method setClusterLoad of SimpleLoadBalancer is incorrect when balance by table | Major | Balancer |
+| [HBASE-23909](https://issues.apache.org/jira/browse/HBASE-23909) | list\_regions fails if table is under split | Minor | shell |
+| [HBASE-23892](https://issues.apache.org/jira/browse/HBASE-23892) | SecureTestCluster should allow its subclasses to pass their Class reference on HBaseKerberosUtils.setSSLConfiguration | Major | . |
+| [HBASE-23809](https://issues.apache.org/jira/browse/HBASE-23809) | The RSGroup shell test is missing | Major | rsgroup, test |
+| [HBASE-17115](https://issues.apache.org/jira/browse/HBASE-17115) | HMaster/HRegion Info Server does not honour admin.acl | Major | . |
+| [HBASE-23737](https://issues.apache.org/jira/browse/HBASE-23737) | [Flakey Tests] TestFavoredNodeTableImport fails 30% of the time | Major | . |
+| [HBASE-23733](https://issues.apache.org/jira/browse/HBASE-23733) | [Flakey Tests] TestSplitTransactionOnCluster | Major | flakies |
+| [HBASE-23701](https://issues.apache.org/jira/browse/HBASE-23701) | Make sure HBaseClassTestRule doesn't suffer same issue as HBaseClassTestRuleChecker | Minor | . |
+| [HBASE-23695](https://issues.apache.org/jira/browse/HBASE-23695) | Fail more gracefully when test class is missing Category | Minor | . |
+| [HBASE-23677](https://issues.apache.org/jira/browse/HBASE-23677) | region.jsp returns 500/NPE when provided encoded region name is not online | Minor | regionserver, UI |
+| [HBASE-23679](https://issues.apache.org/jira/browse/HBASE-23679) | FileSystem instance leaks due to bulk loads with Kerberos enabled | Critical | . |
+| [HBASE-21345](https://issues.apache.org/jira/browse/HBASE-21345) | [hbck2] Allow version check to proceed even though master is 'initializing'. | Major | hbck2 |
+
+
+### TESTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-23808](https://issues.apache.org/jira/browse/HBASE-23808) | [Flakey Test] TestMasterShutdown#testMasterShutdownBeforeStartingAnyRegionServer | Major | test |
+| [HBASE-23793](https://issues.apache.org/jira/browse/HBASE-23793) | Increase maven heap allocation to 4G in Yetus personality | Major | build, test |
+| [HBASE-23792](https://issues.apache.org/jira/browse/HBASE-23792) | [Flakey Test] TestExportSnapshotNoCluster.testSnapshotWithRefsExportFileSystemState | Major | test |
+| [HBASE-23749](https://issues.apache.org/jira/browse/HBASE-23749) | TestHFileWriterV3 should have tests for all data block encodings | Major | . |
+| [HBASE-23711](https://issues.apache.org/jira/browse/HBASE-23711) | Add test for MinVersions and KeepDeletedCells TTL | Minor | . |
+| [HBASE-23569](https://issues.apache.org/jira/browse/HBASE-23569) | Validate that the log cleaner actually cleans oldWALs as expected | Major | integration tests, master, test |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-23755](https://issues.apache.org/jira/browse/HBASE-23755) | [OpenTracing] Declare HTrace is unusable in the user doc | Major | . |
+| [HBASE-23748](https://issues.apache.org/jira/browse/HBASE-23748) | Include HBASE-21284 to branch-2.2 | Major | . |
+| [HBASE-23773](https://issues.apache.org/jira/browse/HBASE-23773) | Backport "HBASE-23601 OutputSink.WriterThread exception gets stuck and repeated indefinietly" to branch-2.2 | Major | . |
+| [HBASE-23728](https://issues.apache.org/jira/browse/HBASE-23728) | Include HBASE-21018 in 2.2 & 2.3 | Major | . |
+| [HBASE-23727](https://issues.apache.org/jira/browse/HBASE-23727) | Port HBASE-20981 in 2.2 & 2.3 | Major | . |
+| [HBASE-23692](https://issues.apache.org/jira/browse/HBASE-23692) | Set version as 2.2.4-SNAPSHOT in branch-2.2 | Major | . |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-23874](https://issues.apache.org/jira/browse/HBASE-23874) | Move Jira-attached file precommit definition from script in Jenkins config to dev-support | Minor | build |
+| [HBASE-23854](https://issues.apache.org/jira/browse/HBASE-23854) | Documentation update of external\_apis.adoc#example-scala-code | Trivial | documentation |
+| [HBASE-23774](https://issues.apache.org/jira/browse/HBASE-23774) | Announce user-zh list | Trivial | website |
+| [HBASE-23734](https://issues.apache.org/jira/browse/HBASE-23734) | Backport [HBASE-21874 Bucket cache on Persistent memory] to branch-2.2 | Major | . |
+
+
+
+## Release 2.2.3 - Unreleased (as of 2020-01-10)
+
+### NEW FEATURES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-22280](https://issues.apache.org/jira/browse/HBASE-22280) | Separate read/write handler for priority request(especially for meta). | Major | Scheduler |
+| [HBASE-22969](https://issues.apache.org/jira/browse/HBASE-22969) | A new binary component comparator(BinaryComponentComparator) to perform comparison of arbitrary length and position | Minor | Filters |
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-23654](https://issues.apache.org/jira/browse/HBASE-23654) | Please add Apache Trafodion and EsgynDB to "Powered by Apache HBase" page | Major | documentation |
+| [HBASE-23651](https://issues.apache.org/jira/browse/HBASE-23651) | Region balance throttling can be disabled | Major | . |
+| [HBASE-23645](https://issues.apache.org/jira/browse/HBASE-23645) | Fix remaining Checkstyle violations in tests of hbase-common | Minor | . |
+| [HBASE-23635](https://issues.apache.org/jira/browse/HBASE-23635) | Reduce number of Checkstyle violations in hbase-mapreduce | Minor | mapreduce |
+| [HBASE-23333](https://issues.apache.org/jira/browse/HBASE-23333) | Include simple Call.toShortString() in sendCall exceptions | Minor | Client, Operability |
+| [HBASE-23629](https://issues.apache.org/jira/browse/HBASE-23629) | Addition to Supporting projects page | Minor | . |
+| [HBASE-23623](https://issues.apache.org/jira/browse/HBASE-23623) | Reduce number of Checkstyle violations in hbase-rest | Minor | REST |
+| [HBASE-23627](https://issues.apache.org/jira/browse/HBASE-23627) | Resolve remaining Checkstyle violations in hbase-thrift | Minor | Thrift |
+| [HBASE-23615](https://issues.apache.org/jira/browse/HBASE-23615) | Use a dedicated thread for executing WorkerMonitor in ProcedureExecutor. | Major | amv2 |
+| [HBASE-23626](https://issues.apache.org/jira/browse/HBASE-23626) | Reduce number of Checkstyle violations in tests of hbase-common | Minor | . |
+| [HBASE-23622](https://issues.apache.org/jira/browse/HBASE-23622) | Reduce number of Checkstyle violations in hbase-common | Minor | . |
+| [HBASE-23621](https://issues.apache.org/jira/browse/HBASE-23621) | Reduce number of Checkstyle violations in tests of hbase-common | Minor | . |
+| [HBASE-23619](https://issues.apache.org/jira/browse/HBASE-23619) | Use built-in formatting for logging in hbase-zookeeper | Trivial | Zookeeper |
+| [HBASE-23238](https://issues.apache.org/jira/browse/HBASE-23238) | Additional test and checks for null references on ScannerCallableWithReplicas | Minor | . |
+| [HBASE-23613](https://issues.apache.org/jira/browse/HBASE-23613) | ProcedureExecutor check StuckWorkers blocked by DeadServerMetricRegionChore | Major | . |
+| [HBASE-23239](https://issues.apache.org/jira/browse/HBASE-23239) | Reporting on status of backing MOB files from client-facing cells | Major | mapreduce, mob, Operability |
+| [HBASE-23549](https://issues.apache.org/jira/browse/HBASE-23549) | Document steps to disable MOB for a column family | Minor | documentation, mob |
+| [HBASE-23380](https://issues.apache.org/jira/browse/HBASE-23380) | General Cleanup of FSUtil | Minor | Filesystem Integration |
+| [HBASE-23379](https://issues.apache.org/jira/browse/HBASE-23379) | Clean Up FSUtil getRegionLocalityMappingFromFS | Minor | . |
+| [HBASE-23377](https://issues.apache.org/jira/browse/HBASE-23377) | Balancer should skip disabled tables's regions | Major | Balancer |
+| [HBASE-23373](https://issues.apache.org/jira/browse/HBASE-23373) | Log \`RetriesExhaustedException\` context with full time precision | Minor | asyncclient, Client |
+| [HBASE-23303](https://issues.apache.org/jira/browse/HBASE-23303) | Add security headers to REST server/info page | Major | REST |
+| [HBASE-23361](https://issues.apache.org/jira/browse/HBASE-23361) | [UI] Limit two decimals even for total average load | Minor | UI |
+| [HBASE-23365](https://issues.apache.org/jira/browse/HBASE-23365) | Minor change MemStoreFlusher's log | Trivial | . |
+| [HBASE-23362](https://issues.apache.org/jira/browse/HBASE-23362) | WalPrettyPrinter should include the table name | Minor | tooling |
+| [HBASE-23352](https://issues.apache.org/jira/browse/HBASE-23352) | Allow chaos monkeys to access cmd line params, and improve FillDiskCommandAction | Minor | integration tests |
+| [HBASE-23293](https://issues.apache.org/jira/browse/HBASE-23293) | [REPLICATION] make ship edits timeout configurable | Minor | Replication |
+| [HBASE-23334](https://issues.apache.org/jira/browse/HBASE-23334) | The table-lock node of zk is not needed since HBASE-16786 | Minor | . |
+| [HBASE-23325](https://issues.apache.org/jira/browse/HBASE-23325) | [UI]rsgoup average load keep two decimals | Minor | . |
+| [HBASE-23321](https://issues.apache.org/jira/browse/HBASE-23321) | [hbck2] fixHoles of fixMeta doesn't update in-memory state | Minor | hbck2 |
+| [HBASE-23315](https://issues.apache.org/jira/browse/HBASE-23315) | Miscellaneous HBCK Report page cleanup | Minor | . |
+| [HBASE-23278](https://issues.apache.org/jira/browse/HBASE-23278) | Add a table-level compaction progress display on the UI | Minor | UI |
+| [HBASE-19450](https://issues.apache.org/jira/browse/HBASE-19450) | Add log about average execution time for ScheduledChore | Minor | Operability |
+| [HBASE-23283](https://issues.apache.org/jira/browse/HBASE-23283) | Provide clear and consistent logging about the period of enabled chores | Minor | Operability |
+| [HBASE-23245](https://issues.apache.org/jira/browse/HBASE-23245) | All MutableHistogram implementations should remove maxExpected | Major | metrics |
+| [HBASE-23228](https://issues.apache.org/jira/browse/HBASE-23228) | Allow for jdk8 specific modules on branch-1 in precommit/nightly testing | Critical | build, test |
+| [HBASE-23082](https://issues.apache.org/jira/browse/HBASE-23082) | Backport low-latency snapshot tracking for space quotas to 2.x | Major | Quotas |
+| [HBASE-23221](https://issues.apache.org/jira/browse/HBASE-23221) | Polish the WAL interface after HBASE-23181 | Major | regionserver, wal |
+| [HBASE-23191](https://issues.apache.org/jira/browse/HBASE-23191) | Log spams on Replication | Trivial | Replication |
+| [HBASE-23207](https://issues.apache.org/jira/browse/HBASE-23207) | Log a region open journal | Minor | . |
+| [HBASE-23172](https://issues.apache.org/jira/browse/HBASE-23172) | HBase Canary region success count metrics reflect column family successes, not region successes | Minor | canary |
+| [HBASE-23170](https://issues.apache.org/jira/browse/HBASE-23170) | Admin#getRegionServers use ClusterMetrics.Option.SERVERS\_NAME | Major | . |
+| [HBASE-23038](https://issues.apache.org/jira/browse/HBASE-23038) | Provide consistent and clear logging about disabling chores | Minor | master, regionserver |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-23658](https://issues.apache.org/jira/browse/HBASE-23658) | Fix flaky TestSnapshotFromMaster | Major | . |
+| [HBASE-23659](https://issues.apache.org/jira/browse/HBASE-23659) | BaseLoadBalancer#wouldLowerAvailability should consider region replicas | Major | . |
+| [HBASE-23655](https://issues.apache.org/jira/browse/HBASE-23655) | Fix flaky TestRSGroupsKillRS: should wait the SCP to finish | Major | . |
+| [HBASE-23663](https://issues.apache.org/jira/browse/HBASE-23663) | Allow dot and hyphen in Profiler's URL | Minor | profiler |
+| [HBASE-23666](https://issues.apache.org/jira/browse/HBASE-23666) | Backport "HBASE-23660 hbase:meta's table.jsp ref to wrong rs address" to branch-2 | Major | master |
+| [HBASE-23636](https://issues.apache.org/jira/browse/HBASE-23636) | Disable table may hang when regionserver stop or abort. | Major | amv2 |
+| [HBASE-23175](https://issues.apache.org/jira/browse/HBASE-23175) | Yarn unable to acquire delegation token for HBase Spark jobs | Major | security, spark |
+| [HBASE-23553](https://issues.apache.org/jira/browse/HBASE-23553) | Snapshot referenced data files are deleted in some case | Major | . |
+| [HBASE-23587](https://issues.apache.org/jira/browse/HBASE-23587) | The FSYNC\_WAL flag does not work on branch-2.x | Major | wal |
+| [HBASE-23596](https://issues.apache.org/jira/browse/HBASE-23596) | HBCKServerCrashProcedure can double assign | Major | proc-v2 |
+| [HBASE-23589](https://issues.apache.org/jira/browse/HBASE-23589) | FlushDescriptor contains non-matching family/output combinations | Critical | read replicas |
+| [HBASE-23581](https://issues.apache.org/jira/browse/HBASE-23581) | Creating table gets stuck when specifying an invalid split policy as METADATA | Major | . |
+| [HBASE-23572](https://issues.apache.org/jira/browse/HBASE-23572) | In 'HBCK Report', distinguish between live, dead, and unknown servers | Trivial | . |
+| [HBASE-23564](https://issues.apache.org/jira/browse/HBASE-23564) | RegionStates may has some expired serverinfo and make regions do not balance. | Major | . |
+| [HBASE-23594](https://issues.apache.org/jira/browse/HBASE-23594) | Procedure stuck due to region happen to recorded on two servers. | Critical | amv2, Region Assignment |
+| [HBASE-23376](https://issues.apache.org/jira/browse/HBASE-23376) | NPE happens while replica region is moving | Minor | read replicas |
+| [HBASE-23582](https://issues.apache.org/jira/browse/HBASE-23582) | Unbalanced braces in string representation of table descriptor | Minor | . |
+| [HBASE-23566](https://issues.apache.org/jira/browse/HBASE-23566) | Fix package/packet terminology problem in chaos monkeys | Minor | integration tests |
+| [HBASE-23360](https://issues.apache.org/jira/browse/HBASE-23360) | [CLI] Fix help command "set\_quota" to explain removing quota | Minor | shell |
+| [HBASE-23554](https://issues.apache.org/jira/browse/HBASE-23554) | Encoded regionname to regionname utility | Major | shell |
+| [HBASE-22096](https://issues.apache.org/jira/browse/HBASE-22096) | /storeFile.jsp shows CorruptHFileException when the storeFile is a reference file | Major | UI |
+| [HBASE-22529](https://issues.apache.org/jira/browse/HBASE-22529) | Sanity check for in-memory compaction policy | Minor | . |
+| [HBASE-23337](https://issues.apache.org/jira/browse/HBASE-23337) | Several modules missing in nexus for Apache HBase 2.2.2 | Blocker | build, community, scripts |
+| [HBASE-23345](https://issues.apache.org/jira/browse/HBASE-23345) | Table need to replication unless all of cfs are excluded | Minor | Replication |
+| [HBASE-23356](https://issues.apache.org/jira/browse/HBASE-23356) | When construct StoreScanner throw exceptions it is possible to left some KeyValueScanner not closed. | Major | . |
+| [HBASE-23117](https://issues.apache.org/jira/browse/HBASE-23117) | Bad enum in hbase:meta info:state column can fail loadMeta and stop startup | Minor | . |
+| [HBASE-23312](https://issues.apache.org/jira/browse/HBASE-23312) | HBase Thrift SPNEGO configs (HBASE-19852) should be backwards compatible | Major | Thrift |
+| [HBASE-23197](https://issues.apache.org/jira/browse/HBASE-23197) | "IllegalArgumentException: Wrong FS" on edits replay when WALs on different file system and hbase.region.archive.recovered.edits is enabled. | Major | . |
+| [HBASE-23336](https://issues.apache.org/jira/browse/HBASE-23336) | [CLI] Incorrect row(s) count "clear\_deadservers" | Minor | shell |
+| [HBASE-23237](https://issues.apache.org/jira/browse/HBASE-23237) | Negative 'Requests per Second' counts in UI | Major | UI |
+| [HBASE-23328](https://issues.apache.org/jira/browse/HBASE-23328) | info:regioninfo goes wrong when region replicas enabled | Major | read replicas |
+| [HBASE-22607](https://issues.apache.org/jira/browse/HBASE-22607) | TestExportSnapshotNoCluster::testSnapshotWithRefsExportFileSystemState() fails intermittently | Major | test |
+| [HBASE-23318](https://issues.apache.org/jira/browse/HBASE-23318) | LoadTestTool doesn't start | Minor | . |
+| [HBASE-23282](https://issues.apache.org/jira/browse/HBASE-23282) | HBCKServerCrashProcedure for 'Unknown Servers' | Major | hbck2, proc-v2 |
+| [HBASE-23294](https://issues.apache.org/jira/browse/HBASE-23294) | ReplicationBarrierCleaner should delete all the barriers for a removed region which does not belong to any serial replication peer | Major | master, Replication |
+| [HBASE-23290](https://issues.apache.org/jira/browse/HBASE-23290) | shell processlist command is broken | Major | shell |
+| [HBASE-18439](https://issues.apache.org/jira/browse/HBASE-18439) | Subclasses of o.a.h.h.chaos.actions.Action all use the same logger | Minor | integration tests |
+| [HBASE-23262](https://issues.apache.org/jira/browse/HBASE-23262) | Cannot load Master UI | Major | master, UI |
+| [HBASE-23263](https://issues.apache.org/jira/browse/HBASE-23263) | NPE in Quotas.jsp | Major | UI |
+| [HBASE-22980](https://issues.apache.org/jira/browse/HBASE-22980) | HRegionPartioner getPartition() method incorrectly partitions the regions of the table. | Major | mapreduce |
+| [HBASE-21458](https://issues.apache.org/jira/browse/HBASE-21458) | Error: Could not find or load main class org.apache.hadoop.hbase.util.GetJavaProperty | Minor | build, Client |
+| [HBASE-23243](https://issues.apache.org/jira/browse/HBASE-23243) | [pv2] Filter out SUCCESS procedures; on decent-sized cluster, plethora overwhelms problems | Major | proc-v2, UI |
+| [HBASE-23247](https://issues.apache.org/jira/browse/HBASE-23247) | [hbck2] Schedule SCPs for 'Unknown Servers' | Major | hbck2 |
+| [HBASE-23241](https://issues.apache.org/jira/browse/HBASE-23241) | TestExecutorService sometimes fail | Major | test |
+| [HBASE-23244](https://issues.apache.org/jira/browse/HBASE-23244) | NPEs running Canary | Major | canary |
+| [HBASE-23231](https://issues.apache.org/jira/browse/HBASE-23231) | ReplicationSource do not update metrics after refresh | Major | wal |
+| [HBASE-22739](https://issues.apache.org/jira/browse/HBASE-22739) | ArrayIndexOutOfBoundsException when balance | Major | Balancer |
+| [HBASE-23192](https://issues.apache.org/jira/browse/HBASE-23192) | CatalogJanitor consistencyCheck does not log problematic row on exception | Minor | hbck2 |
+| [HBASE-20827](https://issues.apache.org/jira/browse/HBASE-20827) | Add pause when retrying after CallQueueTooBigException for reportRegionStateTransition | Major | Region Assignment |
+| [HBASE-23187](https://issues.apache.org/jira/browse/HBASE-23187) | Update parent region state to SPLIT in meta | Major | master |
+| [HBASE-23199](https://issues.apache.org/jira/browse/HBASE-23199) | Error populating Table-Attribute fields | Major | master, UI |
+| [HBASE-23222](https://issues.apache.org/jira/browse/HBASE-23222) | Better logging and mitigation for MOB compaction failures | Critical | mob |
+| [HBASE-23181](https://issues.apache.org/jira/browse/HBASE-23181) | Blocked WAL archive: "LogRoller: Failed to schedule flush of XXXX, because it is not online on us" | Major | regionserver, wal |
+| [HBASE-23193](https://issues.apache.org/jira/browse/HBASE-23193) | ConnectionImplementation.isTableAvailable can not deal with meta table on branch-2.x | Major | rsgroup, test |
+| [HBASE-23177](https://issues.apache.org/jira/browse/HBASE-23177) | If fail to open reference because FNFE, make it plain it is a Reference | Major | Operability |
+| [HBASE-23042](https://issues.apache.org/jira/browse/HBASE-23042) | Parameters are incorrect in procedures jsp | Major | . |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-23320](https://issues.apache.org/jira/browse/HBASE-23320) | Upgrade surefire plugin to 3.0.0-M4 | Major | dependencies, test |
+| [HBASE-20461](https://issues.apache.org/jira/browse/HBASE-20461) | Implement fsync for AsyncFSWAL | Major | wal |
+| [HBASE-23085](https://issues.apache.org/jira/browse/HBASE-23085) | Network and Data related Actions | Minor | integration tests |
+| [HBASE-23307](https://issues.apache.org/jira/browse/HBASE-23307) | Add running of ReplicationBarrierCleaner to hbck2 fixMeta invocation | Major | hbck2 |
+| [HBASE-23322](https://issues.apache.org/jira/browse/HBASE-23322) | [hbck2] Simplification on HBCKSCP scheduling | Minor | hbck2 |
+| [HBASE-22480](https://issues.apache.org/jira/browse/HBASE-22480) | Get block from BlockCache once and return this block to BlockCache twice make ref count error. | Major | . |
+| [HBASE-23136](https://issues.apache.org/jira/browse/HBASE-23136) | PartionedMobFileCompactor bulkloaded files shouldn't get replicated (addressing buklload replication related issue raised in HBASE-22380) | Critical | . |
+| [HBASE-23217](https://issues.apache.org/jira/browse/HBASE-23217) | Set version as 2.2.3-SNAPSHOT in branch-2.2 | Major | . |
+| [HBASE-22982](https://issues.apache.org/jira/browse/HBASE-22982) | Send SIGSTOP to hang or SIGCONT to resume rs and add graceful rolling restart | Minor | integration tests |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-23642](https://issues.apache.org/jira/browse/HBASE-23642) | Reintroduce ReplicationUtils.contains as deprecated | Major | Replication |
+| [HBASE-23575](https://issues.apache.org/jira/browse/HBASE-23575) | Remove dead code from AsyncRegistry interface | Minor | Client |
+| [HBASE-23236](https://issues.apache.org/jira/browse/HBASE-23236) | Upgrade to yetus 0.11.1 | Major | build |
+| [HBASE-23250](https://issues.apache.org/jira/browse/HBASE-23250) | Log message about CleanerChore delegate initialization should be at INFO | Minor | master, Operability |
+| [HBASE-23227](https://issues.apache.org/jira/browse/HBASE-23227) | Upgrade jackson-databind to 2.9.10.1 to avoid recent CVEs | Blocker | dependencies, REST, security |
+
+
+
+## Release 2.2.2 - Unreleased (as of 2019-10-16)
+
+### NEW FEATURES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-11062](https://issues.apache.org/jira/browse/HBASE-11062) | hbtop | Major | hbtop |
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-20626](https://issues.apache.org/jira/browse/HBASE-20626) | Change the value of "Requests Per Second" on WEBUI | Major | metrics, UI |
+| [HBASE-23093](https://issues.apache.org/jira/browse/HBASE-23093) | Avoid Optional Anti-Pattern where possible | Minor | . |
+| [HBASE-23114](https://issues.apache.org/jira/browse/HBASE-23114) | Use archiveArtifacts in Jenkinsfiles | Trivial | . |
+| [HBASE-23140](https://issues.apache.org/jira/browse/HBASE-23140) | Remove unknown table error | Minor | . |
+| [HBASE-23095](https://issues.apache.org/jira/browse/HBASE-23095) | Reuse FileStatus in StoreFileInfo | Major | mob, snapshots |
+| [HBASE-23116](https://issues.apache.org/jira/browse/HBASE-23116) | LoadBalancer should log table name when balancing per table | Minor | . |
+| [HBASE-22874](https://issues.apache.org/jira/browse/HBASE-22874) | Define a public interface for Canary and move existing implementation to LimitedPrivate | Critical | canary |
+| [HBASE-22930](https://issues.apache.org/jira/browse/HBASE-22930) | Set unique name to longCompactions/shortCompactions threads | Minor | . |
+| [HBASE-23035](https://issues.apache.org/jira/browse/HBASE-23035) | Retain region to the last RegionServer make the failover slower | Major | . |
+| [HBASE-23075](https://issues.apache.org/jira/browse/HBASE-23075) | Upgrade jackson to version 2.9.10 due to CVE-2019-16335 and CVE-2019-14540 | Major | dependencies, hbase-connectors, REST, security |
+| [HBASE-22975](https://issues.apache.org/jira/browse/HBASE-22975) | Add read and write QPS metrics at server level and table level | Minor | metrics |
+| [HBASE-23058](https://issues.apache.org/jira/browse/HBASE-23058) | Should be "Column Family Name" in table.jsp | Minor | . |
+| [HBASE-23049](https://issues.apache.org/jira/browse/HBASE-23049) | TableDescriptors#getAll should return the tables ordering by the name which contain namespace | Minor | . |
+| [HBASE-23041](https://issues.apache.org/jira/browse/HBASE-23041) | Should not show split parent regions in HBCK report's unknown server part | Major | . |
+| [HBASE-23044](https://issues.apache.org/jira/browse/HBASE-23044) | CatalogJanitor#cleanMergeQualifier may clean wrong parent regions | Critical | . |
+| [HBASE-23037](https://issues.apache.org/jira/browse/HBASE-23037) | Make the split WAL related log more readable | Minor | . |
+| [HBASE-22846](https://issues.apache.org/jira/browse/HBASE-22846) | Internal Error 500 when Using HBASE REST API to Create Namespace. | Major | hbase-connectors |
+| [HBASE-22804](https://issues.apache.org/jira/browse/HBASE-22804) | Provide an API to get list of successful regions and total expected regions in Canary | Minor | canary |
+| [HBASE-22899](https://issues.apache.org/jira/browse/HBASE-22899) | logging improvements for snapshot operations w/large manifests | Minor | snapshots |
+| [HBASE-22701](https://issues.apache.org/jira/browse/HBASE-22701) | Better handle invalid local directory for DynamicClassLoader | Major | regionserver |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-22370](https://issues.apache.org/jira/browse/HBASE-22370) | ByteBuf LEAK ERROR | Major | rpc, wal |
+| [HBASE-23078](https://issues.apache.org/jira/browse/HBASE-23078) | BaseLoadBalancer should consider region replicas when randomAssignment and roundRobinAssignment | Major | . |
+| [HBASE-23155](https://issues.apache.org/jira/browse/HBASE-23155) | May NPE when concurrent AsyncNonMetaRegionLocator#updateCachedLocationOnError | Major | asyncclient |
+| [HBASE-21540](https://issues.apache.org/jira/browse/HBASE-21540) | when set property "hbase.systemtables.compacting.memstore.type" to "basic" or "eager" will cause an exception | Major | conf |
+| [HBASE-23153](https://issues.apache.org/jira/browse/HBASE-23153) | PrimaryRegionCountSkewCostFunction SLB function should implement CostFunction#isNeeded | Major | . |
+| [HBASE-23154](https://issues.apache.org/jira/browse/HBASE-23154) | list\_deadservers return incorrect no of rows | Minor | shell |
+| [HBASE-23152](https://issues.apache.org/jira/browse/HBASE-23152) | Compaction\_switch does not work by RegionServer name | Major | Client, Compaction |
+| [HBASE-23115](https://issues.apache.org/jira/browse/HBASE-23115) | Unit change for StoreFileSize and MemStoreSize | Minor | metrics, UI |
+| [HBASE-23138](https://issues.apache.org/jira/browse/HBASE-23138) | Drop\_all table by regex fail from Shell - Similar to HBASE-23134 | Major | shell |
+| [HBASE-23139](https://issues.apache.org/jira/browse/HBASE-23139) | MapReduce jobs lauched from convenience distribution are nonfunctional | Blocker | mapreduce |
+| [HBASE-22767](https://issues.apache.org/jira/browse/HBASE-22767) | System table RIT STUCK if their RSGroup has no highest version RSes | Major | rsgroup |
+| [HBASE-23134](https://issues.apache.org/jira/browse/HBASE-23134) | Enable\_all and Disable\_all table by Regex fail from Shell | Major | shell |
+| [HBASE-22903](https://issues.apache.org/jira/browse/HBASE-22903) | alter\_status command is broken | Major | metrics, shell |
+| [HBASE-23094](https://issues.apache.org/jira/browse/HBASE-23094) | Wrong log message in simpleRegionNormaliser while checking if merge is enabled. | Minor | . |
+| [HBASE-23125](https://issues.apache.org/jira/browse/HBASE-23125) | TestRSGroupsAdmin2 is flaky | Major | test |
+| [HBASE-23119](https://issues.apache.org/jira/browse/HBASE-23119) | ArrayIndexOutOfBoundsException in PrivateCellUtil#qualifierStartsWith | Major | . |
+| [HBASE-23054](https://issues.apache.org/jira/browse/HBASE-23054) | Remove synchronization block from MetaTableMetrics and fix LossyCounting algorithm | Major | metrics |
+| [HBASE-22380](https://issues.apache.org/jira/browse/HBASE-22380) | break circle replication when doing bulkload | Critical | Replication |
+| [HBASE-23079](https://issues.apache.org/jira/browse/HBASE-23079) | RegionRemoteProcedureBase should override setTimeoutFailure | Blocker | amv2 |
+| [HBASE-22965](https://issues.apache.org/jira/browse/HBASE-22965) | RS Crash due to DBE reference to an reused ByteBuff | Major | . |
+| [HBASE-22012](https://issues.apache.org/jira/browse/HBASE-22012) | SpaceQuota DisableTableViolationPolicy will cause cycles of enable/disable table | Major | . |
+| [HBASE-22944](https://issues.apache.org/jira/browse/HBASE-22944) | TableNotFoundException: hbase:quota is thrown when region server is restarted. | Minor | Quotas |
+| [HBASE-22142](https://issues.apache.org/jira/browse/HBASE-22142) | Space quota: If table inside namespace having space quota is dropped, data size usage is still considered for the drop table. | Minor | . |
+| [HBASE-22649](https://issues.apache.org/jira/browse/HBASE-22649) | Encode StoreFile path URLs in the UI to handle scenarios where CF contains special characters (like # etc.) | Major | UI |
+| [HBASE-23051](https://issues.apache.org/jira/browse/HBASE-23051) | Remove unneeded Mockito.mock invocations | Major | test |
+| [HBASE-23005](https://issues.apache.org/jira/browse/HBASE-23005) | Table UI showed exception message when table is disabled | Minor | . |
+| [HBASE-23040](https://issues.apache.org/jira/browse/HBASE-23040) | region mover gives NullPointerException instead of saying a host isn't in the cluster | Minor | . |
+| [HBASE-23043](https://issues.apache.org/jira/browse/HBASE-23043) | TestWALEntryStream times out | Major | wal |
+| [HBASE-22955](https://issues.apache.org/jira/browse/HBASE-22955) | Branches-1 precommit and nightly yetus jobs are using jdk8 for jdk7 jobs | Major | . |
+| [HBASE-22929](https://issues.apache.org/jira/browse/HBASE-22929) | MemStoreLAB ChunkCreator may memory leak | Major | . |
+| [HBASE-23006](https://issues.apache.org/jira/browse/HBASE-23006) | RSGroupBasedLoadBalancer should also try to place replicas for the same region to different region servers | Major | Region Assignment, rsgroup |
+| [HBASE-23007](https://issues.apache.org/jira/browse/HBASE-23007) | UnsatisfiedLinkError when using hbase-shaded packages under linux | Critical | shading |
+| [HBASE-22013](https://issues.apache.org/jira/browse/HBASE-22013) | SpaceQuotas - getNumRegions() returning wrong number of regions due to region replicas | Major | . |
+| [HBASE-22979](https://issues.apache.org/jira/browse/HBASE-22979) | Call ChunkCreator.initialize in TestHRegionWithInMemoryFlush | Critical | . |
+| [HBASE-22964](https://issues.apache.org/jira/browse/HBASE-22964) | Fix flaky TestClusterRestartFailover and TestClusterRestartFailoverSplitWithoutZk | Major | . |
+| [HBASE-22963](https://issues.apache.org/jira/browse/HBASE-22963) | Netty ByteBuf leak in rpc client implementation | Major | rpc |
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