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Posted to commits@hbase.apache.org by zh...@apache.org on 2019/11/19 16:28:13 UTC
svn commit: r36830 [2/4] - /dev/hbase/2.1.8RC0/
Added: dev/hbase/2.1.8RC0/CHANGES.md
==============================================================================
--- dev/hbase/2.1.8RC0/CHANGES.md (added)
+++ dev/hbase/2.1.8RC0/CHANGES.md Tue Nov 19 16:28:12 2019
@@ -0,0 +1,1342 @@
+# 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!-->
+# HBASE Changelog
+
+## Release 2.1.8 - Unreleased (as of 2019-11-19)
+
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [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-23238](https://issues.apache.org/jira/browse/HBASE-23238) | Additional test and checks for null references on ScannerCallableWithReplicas | Minor | . |
+| [HBASE-23221](https://issues.apache.org/jira/browse/HBASE-23221) | Polish the WAL interface after HBASE-23181 | Major | regionserver, wal |
+| [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-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-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-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-23318](https://issues.apache.org/jira/browse/HBASE-23318) | LoadTestTool doesn't start | Minor | . |
+| [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-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-23175](https://issues.apache.org/jira/browse/HBASE-23175) | Yarn unable to acquire delegation token for HBase Spark jobs | Major | security, spark |
+| [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-23171](https://issues.apache.org/jira/browse/HBASE-23171) | Ensure region state error messages include server making report (branch-2.1) | Minor | amv2, Operability |
+| [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-22370](https://issues.apache.org/jira/browse/HBASE-22370) | ByteBuf LEAK ERROR | Major | rpc, wal |
+| [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-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-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 | . |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-23301](https://issues.apache.org/jira/browse/HBASE-23301) | Generate CHANGES.md and RELEASENOTES.md for 2.1.8 | Major | documentation |
+| [HBASE-23300](https://issues.apache.org/jira/browse/HBASE-23300) | Set version as 2.1.8 in branch-2.1 in prep for first RC of 2.1.8 | Major | build, pom |
+| [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-23163](https://issues.apache.org/jira/browse/HBASE-23163) | Refactor HStore.getStorefilesSize related methods | Major | regionserver |
+| [HBASE-23131](https://issues.apache.org/jira/browse/HBASE-23131) | Set version as 2.1.8-SNAPSHOT in branch-2.1 | Major | build, pom |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [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 | Blocker | dependencies, REST, security |
+| [HBASE-23053](https://issues.apache.org/jira/browse/HBASE-23053) | Disable concurrent nightly builds | Minor | build |
+
+
+## Release 2.1.7 - Unreleased (as of 2019-10-02)
+
+
+
+### 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-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-22701](https://issues.apache.org/jira/browse/HBASE-22701) | Better handle invalid local directory for DynamicClassLoader | Major | regionserver |
+| [HBASE-22724](https://issues.apache.org/jira/browse/HBASE-22724) | Add a emoji on the vote table for pre commit result on github | Major | build, test |
+| [HBASE-22954](https://issues.apache.org/jira/browse/HBASE-22954) | Whitelist net.java.dev.jna which got pulled in through Hadoop 3.3.0 | Minor | community, hadoop3 |
+| [HBASE-22905](https://issues.apache.org/jira/browse/HBASE-22905) | Avoid temp ByteBuffer allocation in BlockingRpcConnection#writeRequest | Major | . |
+| [HBASE-22962](https://issues.apache.org/jira/browse/HBASE-22962) | Fix typo in javadoc description | Minor | documentation |
+| [HBASE-22872](https://issues.apache.org/jira/browse/HBASE-22872) | Don't create normalization plan unnecesarily when split and merge both are disabled | Minor | . |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [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-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-22941](https://issues.apache.org/jira/browse/HBASE-22941) | MetaTableAccessor.getMergeRegions() returns parent regions in random order | Major | . |
+| [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-22963](https://issues.apache.org/jira/browse/HBASE-22963) | Netty ByteBuf leak in rpc client implementation | Major | rpc |
+| [HBASE-22981](https://issues.apache.org/jira/browse/HBASE-22981) | Remove unused flags for Yetus | Critical | build |
+| [HBASE-22970](https://issues.apache.org/jira/browse/HBASE-22970) | split parents show as overlaps in the HBCK Report | Major | . |
+| [HBASE-22961](https://issues.apache.org/jira/browse/HBASE-22961) | Deprecate hbck1 in core | Major | hbck |
+| [HBASE-22896](https://issues.apache.org/jira/browse/HBASE-22896) | TestHRegion.testFlushMarkersWALFail is flaky | Minor | . |
+| [HBASE-22943](https://issues.apache.org/jira/browse/HBASE-22943) | Various procedures should not cache log trace level | Minor | proc-v2 |
+| [HBASE-22881](https://issues.apache.org/jira/browse/HBASE-22881) | Fix non-daemon threads in hbase server implementation | Major | master |
+| [HBASE-22893](https://issues.apache.org/jira/browse/HBASE-22893) | Change the comment in HBaseClassTestRule to reflect change in default test timeouts | Trivial | . |
+| [HBASE-22928](https://issues.apache.org/jira/browse/HBASE-22928) | ScanMetrics counter update may not happen in case of exception in TableRecordReaderImpl | Minor | mapreduce |
+| [HBASE-22935](https://issues.apache.org/jira/browse/HBASE-22935) | TaskMonitor warns MonitoredRPCHandler task may be stuck when it recently started | Minor | logging |
+| [HBASE-22922](https://issues.apache.org/jira/browse/HBASE-22922) | Only the two first regions are locked in MergeTableRegionsProcedure | Major | . |
+| [HBASE-22852](https://issues.apache.org/jira/browse/HBASE-22852) | hbase nightlies leaking gpg-agents | Minor | build |
+
+
+### TESTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-22886](https://issues.apache.org/jira/browse/HBASE-22886) | Code Coverage Improvement: Create Unit Tests for ConnectionId | Trivial | test |
+| [HBASE-22766](https://issues.apache.org/jira/browse/HBASE-22766) | Code Coverage Improvement: Create Unit Tests for ResultStatsUtil | Trivial | test |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-23108](https://issues.apache.org/jira/browse/HBASE-23108) | Generate CHANGES.md and RELEASENOTES.md for 2.1.7 | Major | documentation |
+| [HBASE-23097](https://issues.apache.org/jira/browse/HBASE-23097) | Set version as 2.1.7 in branch-2.1 in prep for first RC of 2.1.7 | Major | build |
+| [HBASE-22927](https://issues.apache.org/jira/browse/HBASE-22927) | Upgrade mockito version for Java 11 compatibility | Major | . |
+| [HBASE-22796](https://issues.apache.org/jira/browse/HBASE-22796) | [HBCK2] Add fix of overlaps to fixMeta hbck Service | Major | . |
+| [HBASE-22993](https://issues.apache.org/jira/browse/HBASE-22993) | HBCK report UI showed -1 if hbck chore not running | Minor | . |
+| [HBASE-23014](https://issues.apache.org/jira/browse/HBASE-23014) | Should not show split parent regions in hbck report UI | Major | . |
+| [HBASE-22859](https://issues.apache.org/jira/browse/HBASE-22859) | [HBCK2] Fix the orphan regions on filesystem | Major | documentation, hbck2 |
+| [HBASE-22960](https://issues.apache.org/jira/browse/HBASE-22960) | Set version as 2.1.7-SNAPSHOT in branch-2.1 | Major | build, pom |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-21745](https://issues.apache.org/jira/browse/HBASE-21745) | Make HBCK2 be able to fix issues other than region assignment | Critical | hbase-operator-tools, hbck2 |
+| [HBASE-23023](https://issues.apache.org/jira/browse/HBASE-23023) | upgrade shellcheck used to test in nightly and precommit | Major | build |
+
+
+## Release 2.1.6 - Unreleased (as of 2019-08-26)
+
+### INCOMPATIBLE CHANGES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-22690](https://issues.apache.org/jira/browse/HBASE-22690) | Deprecate / Remove OfflineMetaRepair in hbase-2+ | Major | hbck2 |
+
+
+### NEW FEATURES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-15666](https://issues.apache.org/jira/browse/HBASE-15666) | shaded dependencies for hbase-testing-util | Critical | test |
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-20509](https://issues.apache.org/jira/browse/HBASE-20509) | Put List in HashSet directly without using addAll function to improve performance | Trivial | Performance |
+| [HBASE-21996](https://issues.apache.org/jira/browse/HBASE-21996) | Set locale for javadoc | Major | documentation |
+| [HBASE-22464](https://issues.apache.org/jira/browse/HBASE-22464) | Improvements to hbase-vote script | Trivial | scripts |
+| [HBASE-22810](https://issues.apache.org/jira/browse/HBASE-22810) | Initialize an separate ThreadPoolExecutor for taking/restoring snapshot | Major | . |
+| [HBASE-22844](https://issues.apache.org/jira/browse/HBASE-22844) | Fix Checkstyle issues in client snapshot exceptions | Minor | Client |
+| [HBASE-22871](https://issues.apache.org/jira/browse/HBASE-22871) | Move the DirScanPool out and do not use static field | Major | master |
+| [HBASE-22841](https://issues.apache.org/jira/browse/HBASE-22841) | TimeRange's factory functions do not support ranges, only \`allTime\` and \`at\` | Major | Client |
+| [HBASE-22828](https://issues.apache.org/jira/browse/HBASE-22828) | Log a region close journal | Minor | . |
+| [HBASE-22812](https://issues.apache.org/jira/browse/HBASE-22812) | InterfaceAudience annotation in CatalogJanitor uses fully-qualified name | Minor | . |
+| [HBASE-22800](https://issues.apache.org/jira/browse/HBASE-22800) | Add mapreduce dependencies to hbase-shaded-testing-util | Major | . |
+| [HBASE-22731](https://issues.apache.org/jira/browse/HBASE-22731) | ReplicationSource and HBaseInterClusterReplicationEndpoint log messages should include a target Peer identifier | Minor | Replication |
+| [HBASE-22759](https://issues.apache.org/jira/browse/HBASE-22759) | Add user info to AUDITLOG events when doing grant/revoke | Major | logging, security |
+| [HBASE-22785](https://issues.apache.org/jira/browse/HBASE-22785) | Reduce number of Checkstyle issues in client exceptions | Minor | Client |
+| [HBASE-22786](https://issues.apache.org/jira/browse/HBASE-22786) | Fix Checkstyle issues in tests of hbase-client | Minor | Client |
+| [HBASE-22677](https://issues.apache.org/jira/browse/HBASE-22677) | Add unit tests for org.apache.hadoop.hbase.util.ByteRangeUtils and org.apache.hadoop.hbase.util.Classes | Major | java, test |
+| [HBASE-22787](https://issues.apache.org/jira/browse/HBASE-22787) | Clean up of tests in hbase-zookeeper | Minor | Zookeeper |
+| [HBASE-22363](https://issues.apache.org/jira/browse/HBASE-22363) | Remove hardcoded number of read cache block buckets | Trivial | BlockCache, BucketCache |
+| [HBASE-22764](https://issues.apache.org/jira/browse/HBASE-22764) | Fix remaining Checkstyle issues in hbase-rsgroup | Trivial | rsgroup |
+| [HBASE-22763](https://issues.apache.org/jira/browse/HBASE-22763) | Fix remaining Checkstyle issue in hbase-procedure | Trivial | . |
+| [HBASE-22743](https://issues.apache.org/jira/browse/HBASE-22743) | ClientUtils for hbase-examples | Minor | . |
+| [HBASE-22750](https://issues.apache.org/jira/browse/HBASE-22750) | Correct @throws in comment | Trivial | Client, rpc |
+| [HBASE-22702](https://issues.apache.org/jira/browse/HBASE-22702) | [Log] 'Group not found for table' is chatty | Trivial | . |
+| [HBASE-22721](https://issues.apache.org/jira/browse/HBASE-22721) | Refactor HBaseFsck: move the inner class out | Major | . |
+| [HBASE-22692](https://issues.apache.org/jira/browse/HBASE-22692) | Rubocop definition is not used in the /bin directory | Minor | . |
+| [HBASE-22610](https://issues.apache.org/jira/browse/HBASE-22610) | [BucketCache] Rename "hbase.offheapcache.minblocksize" | Trivial | . |
+| [HBASE-22704](https://issues.apache.org/jira/browse/HBASE-22704) | Avoid NPE when access table.jsp and snapshot.jsp but master not finish initialization | Minor | . |
+| [HBASE-22643](https://issues.apache.org/jira/browse/HBASE-22643) | Delete region without archiving only if regiondir is present | Major | HFile |
+| [HBASE-22689](https://issues.apache.org/jira/browse/HBASE-22689) | Line break for fix version in documentation | Trivial | documentation |
+| [HBASE-22638](https://issues.apache.org/jira/browse/HBASE-22638) | Zookeeper Utility enhancements | Minor | Zookeeper |
+| [HBASE-22669](https://issues.apache.org/jira/browse/HBASE-22669) | Add unit tests for org.apache.hadoop.hbase.util.Strings | Major | java |
+| [HBASE-22604](https://issues.apache.org/jira/browse/HBASE-22604) | fix the link in the docs to "Understanding HBase and BigTable" by Jim R. Wilson | Trivial | documentation |
+| [HBASE-22633](https://issues.apache.org/jira/browse/HBASE-22633) | Remove redundant call to substring for ZKReplicationQueueStorage | Minor | . |
+| [HBASE-22595](https://issues.apache.org/jira/browse/HBASE-22595) | Use full qualified name in Checkstyle suppressions | Trivial | . |
+| [HBASE-22616](https://issues.apache.org/jira/browse/HBASE-22616) | responseTooXXX logging for Multi should characterize the component ops | Minor | . |
+| [HBASE-22596](https://issues.apache.org/jira/browse/HBASE-22596) | [Chore] Separate the execution period between CompactionChecker and PeriodicMemStoreFlusher | Minor | Compaction |
+| [HBASE-22561](https://issues.apache.org/jira/browse/HBASE-22561) | modify HFilePrettyPrinter to accept non-hbase.rootdir directories | Minor | . |
+| [HBASE-22344](https://issues.apache.org/jira/browse/HBASE-22344) | Document deprecated public APIs | Major | API, community, documentation |
+| [HBASE-22593](https://issues.apache.org/jira/browse/HBASE-22593) | Add local Jenv file to gitignore | Trivial | . |
+| [HBASE-22160](https://issues.apache.org/jira/browse/HBASE-22160) | Add sorting functionality in regionserver web UI for user regions | Minor | monitoring, regionserver, UI, Usability |
+| [HBASE-22284](https://issues.apache.org/jira/browse/HBASE-22284) | optimization StringBuilder.append of AbstractMemStore.toString | Trivial | . |
+| [HBASE-22523](https://issues.apache.org/jira/browse/HBASE-22523) | Refactor RegionStates#getAssignmentsByTable to make it easy to understand | Major | . |
+| [HBASE-22511](https://issues.apache.org/jira/browse/HBASE-22511) | More missing /rs-status links | Minor | UI |
+| [HBASE-22496](https://issues.apache.org/jira/browse/HBASE-22496) | UnsafeAccess.unsafeCopy should not copy more than UNSAFE\_COPY\_THRESHOLD on each iteration | Major | . |
+| [HBASE-22488](https://issues.apache.org/jira/browse/HBASE-22488) | Cleanup the explicit timeout value for test methods | Major | . |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-22867](https://issues.apache.org/jira/browse/HBASE-22867) | The ForkJoinPool in CleanerChore will spawn thousands of threads in our cluster with thousands table | Critical | master |
+| [HBASE-22904](https://issues.apache.org/jira/browse/HBASE-22904) | NPE occurs when RS send space quota usage report during HMaster init | Minor | . |
+| [HBASE-22806](https://issues.apache.org/jira/browse/HBASE-22806) | Deleted CF are not cleared if memstore contain entries | Major | API |
+| [HBASE-22601](https://issues.apache.org/jira/browse/HBASE-22601) | Misconfigured addition of peers leads to cluster shutdown. | Major | . |
+| [HBASE-22863](https://issues.apache.org/jira/browse/HBASE-22863) | Avoid Jackson versions and dependencies with known CVEs | Major | dependencies |
+| [HBASE-22882](https://issues.apache.org/jira/browse/HBASE-22882) | TestFlushSnapshotFromClient#testConcurrentSnapshottingAttempts is flakey (was written flakey) | Major | test |
+| [HBASE-22870](https://issues.apache.org/jira/browse/HBASE-22870) | reflection fails to access a private nested class | Major | master |
+| [HBASE-22860](https://issues.apache.org/jira/browse/HBASE-22860) | Master's webui returns NPE/HTTP 500 under maintenance mode | Major | master, UI |
+| [HBASE-22856](https://issues.apache.org/jira/browse/HBASE-22856) | HBASE-Find-Flaky-Tests fails with pip error | Major | build, test |
+| [HBASE-22632](https://issues.apache.org/jira/browse/HBASE-22632) | SplitTableRegionProcedure and MergeTableRegionsProcedure should skip store files for unknown column families | Major | proc-v2 |
+| [HBASE-22838](https://issues.apache.org/jira/browse/HBASE-22838) | assembly:single failure: user id or group id 'xxxxx' is too big | Major | build |
+| [HBASE-22840](https://issues.apache.org/jira/browse/HBASE-22840) | Fix backport of HBASE-21325 | Major | regionserver |
+| [HBASE-22417](https://issues.apache.org/jira/browse/HBASE-22417) | DeleteTableProcedure.deleteFromMeta method should remove table from Master's table descriptors cache | Major | . |
+| [HBASE-22115](https://issues.apache.org/jira/browse/HBASE-22115) | HBase RPC aspires to grow an infinite tree of trace scopes; some other places are also unsafe | Critical | rpc, tracing |
+| [HBASE-22539](https://issues.apache.org/jira/browse/HBASE-22539) | WAL corruption due to early DBBs re-use when Durability.ASYNC\_WAL is used | Blocker | rpc, wal |
+| [HBASE-22801](https://issues.apache.org/jira/browse/HBASE-22801) | Maven build issue on Github PRs | Major | build |
+| [HBASE-22793](https://issues.apache.org/jira/browse/HBASE-22793) | RPC server connection is logging user as NULL principal | Minor | rpc |
+| [HBASE-22778](https://issues.apache.org/jira/browse/HBASE-22778) | Upgrade jasckson databind to 2.9.9.2 | Blocker | dependencies |
+| [HBASE-22773](https://issues.apache.org/jira/browse/HBASE-22773) | when set blockSize option in Performance Evaluation tool, error occurs:ERROR: Unrecognized option/command: --blockSize=131072 | Minor | mapreduce |
+| [HBASE-22735](https://issues.apache.org/jira/browse/HBASE-22735) | list\_regions may throw an error if a region is RIT | Minor | shell |
+| [HBASE-22145](https://issues.apache.org/jira/browse/HBASE-22145) | windows hbase-env causes hbase cli/etc to ignore HBASE\_OPTS | Major | . |
+| [HBASE-22758](https://issues.apache.org/jira/browse/HBASE-22758) | Remove the unneccesary info cf deletion in DeleteTableProcedure#deleteFromMeta | Major | . |
+| [HBASE-22751](https://issues.apache.org/jira/browse/HBASE-22751) | table.jsp fails if ugly regions in table | Major | UI |
+| [HBASE-22733](https://issues.apache.org/jira/browse/HBASE-22733) | TestSplitTransactionOnCluster.testMasterRestartAtRegionSplitPendingCatalogJanitor is flakey | Major | . |
+| [HBASE-22715](https://issues.apache.org/jira/browse/HBASE-22715) | All scan requests should be handled by scan handler threads in RWQueueRpcExecutor | Minor | . |
+| [HBASE-22722](https://issues.apache.org/jira/browse/HBASE-22722) | Upgrade jackson databind dependencies to 2.9.9.1 | Blocker | dependencies |
+| [HBASE-22603](https://issues.apache.org/jira/browse/HBASE-22603) | Javadoc Warnings related to @link tag | Trivial | documentation |
+| [HBASE-22720](https://issues.apache.org/jira/browse/HBASE-22720) | Incorrect link for hbase.unittests | Trivial | documentation |
+| [HBASE-22537](https://issues.apache.org/jira/browse/HBASE-22537) | Split happened Replica region can not be deleted after deleting table successfully and restarting RegionServer | Minor | Region Assignment |
+| [HBASE-20368](https://issues.apache.org/jira/browse/HBASE-20368) | Fix RIT stuck when a rsgroup has no online servers but AM's pendingAssginQueue is cleared | Major | rsgroup |
+| [HBASE-22700](https://issues.apache.org/jira/browse/HBASE-22700) | Incorrect timeout in recommended ZooKeeper configuration | Minor | documentation |
+| [HBASE-22661](https://issues.apache.org/jira/browse/HBASE-22661) | list\_regions command in hbase shell is broken | Major | shell |
+| [HBASE-22684](https://issues.apache.org/jira/browse/HBASE-22684) | The log rolling request maybe canceled immediately in LogRoller due to a race | Major | wal |
+| [HBASE-22586](https://issues.apache.org/jira/browse/HBASE-22586) | Javadoc Warnings related to @param tag | Trivial | documentation |
+| [HBASE-22571](https://issues.apache.org/jira/browse/HBASE-22571) | Javadoc Warnings related to @return tag | Trivial | documentation |
+| [HBASE-22681](https://issues.apache.org/jira/browse/HBASE-22681) | The 'assert highestUnsyncedTxid \< entry.getTxid();' in AbstractFWAL.append may fail when using AsyncFSWAL | Critical | wal |
+| [HBASE-22686](https://issues.apache.org/jira/browse/HBASE-22686) | ZkSplitLogWorkerCoordination doesn't allow a regionserver to pick up all of the split work it is capable of | Major | . |
+| [HBASE-22656](https://issues.apache.org/jira/browse/HBASE-22656) | [Metrics] Tabe metrics 'BatchPut' and 'BatchDelete' are never updated | Minor | metrics |
+| [HBASE-22582](https://issues.apache.org/jira/browse/HBASE-22582) | The Compaction writer may access the lastCell whose memory has been released when appending fileInfo in the final | Major | Compaction |
+| [HBASE-22652](https://issues.apache.org/jira/browse/HBASE-22652) | Flakey TestLockManager; test timed out after 780 seconds | Major | proc-v2 |
+| [HBASE-22637](https://issues.apache.org/jira/browse/HBASE-22637) | fix flaky TestMetaTableMetrics test | Major | metrics, test |
+| [HBASE-13798](https://issues.apache.org/jira/browse/HBASE-13798) | TestFromClientSide\* don't close the Table | Trivial | test |
+| [HBASE-21751](https://issues.apache.org/jira/browse/HBASE-21751) | WAL creation fails during region open may cause region assign forever fail | Major | . |
+| [HBASE-22477](https://issues.apache.org/jira/browse/HBASE-22477) | Throwing exception when meta region is not in OPEN state in client registry may crash a master | Major | Client, master, meta |
+| [HBASE-22169](https://issues.apache.org/jira/browse/HBASE-22169) | Open region failed cause memory leak | Critical | . |
+| [HBASE-22617](https://issues.apache.org/jira/browse/HBASE-22617) | Recovered WAL directories not getting cleaned up | Blocker | wal |
+| [HBASE-22605](https://issues.apache.org/jira/browse/HBASE-22605) | Ref guide includes dev guidance only applicable to EOM versions | Trivial | documentation |
+| [HBASE-22581](https://issues.apache.org/jira/browse/HBASE-22581) | user with "CREATE" permission can grant, but not revoke permissions on created table | Major | security |
+| [HBASE-22565](https://issues.apache.org/jira/browse/HBASE-22565) | Javadoc Warnings: @see cannot be used in inline documentation | Trivial | documentation |
+| [HBASE-22562](https://issues.apache.org/jira/browse/HBASE-22562) | PressureAwareThroughputController#skipControl never invoked | Trivial | Operability |
+| [HBASE-22530](https://issues.apache.org/jira/browse/HBASE-22530) | The metrics of store files count of region are returned to clients incorrectly | Minor | metrics, regionserver |
+| [HBASE-22458](https://issues.apache.org/jira/browse/HBASE-22458) | TestClassFinder fails when run on JDK11 | Minor | java, test |
+| [HBASE-22563](https://issues.apache.org/jira/browse/HBASE-22563) | Reduce retained jobs for Jenkins pipelines | Major | . |
+| [HBASE-22551](https://issues.apache.org/jira/browse/HBASE-22551) | TestMasterOperationsForRegionReplicas is flakey | Major | read replicas, test |
+| [HBASE-22481](https://issues.apache.org/jira/browse/HBASE-22481) | Javadoc Warnings: reference not found | Trivial | documentation |
+| [HBASE-22520](https://issues.apache.org/jira/browse/HBASE-22520) | Avoid possible NPE in HalfStoreFileReader seekBefore() | Major | . |
+| [HBASE-22546](https://issues.apache.org/jira/browse/HBASE-22546) | TestRegionServerHostname#testRegionServerHostname fails reliably for me | Major | . |
+| [HBASE-22534](https://issues.apache.org/jira/browse/HBASE-22534) | TestCellUtil fails when run on JDK11 | Minor | java, test |
+| [HBASE-22536](https://issues.apache.org/jira/browse/HBASE-22536) | TestForeignExceptionSerialization fails when run on JDK11 | Minor | java |
+| [HBASE-22535](https://issues.apache.org/jira/browse/HBASE-22535) | TestShellRSGroups fails when run on JDK11 | Minor | java, shell |
+| [HBASE-22518](https://issues.apache.org/jira/browse/HBASE-22518) | yetus personality is treating branch-1.4 like earlier branches for hadoopcheck | Major | test |
+| [HBASE-22522](https://issues.apache.org/jira/browse/HBASE-22522) | The integration test in master branch's nightly job has error "ERROR: Only found 1050 rows." | Major | . |
+| [HBASE-22490](https://issues.apache.org/jira/browse/HBASE-22490) | Nightly client integration test fails with hadoop-3 | Major | build |
+| [HBASE-22487](https://issues.apache.org/jira/browse/HBASE-22487) | getMostLoadedRegions is unused | Trivial | regionserver |
+| [HBASE-22486](https://issues.apache.org/jira/browse/HBASE-22486) | Fix flaky test TestLockManager | Major | . |
+| [HBASE-22471](https://issues.apache.org/jira/browse/HBASE-22471) | Our nightly jobs for master and branch-2 are still using hadoop-2.7.1 in integration test | Major | build |
+| [HBASE-19893](https://issues.apache.org/jira/browse/HBASE-19893) | restore\_snapshot is broken in master branch when region splits | Critical | snapshots |
+
+
+### TESTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-22894](https://issues.apache.org/jira/browse/HBASE-22894) | Move testOpenRegionFailedMemoryLeak to dedicated class | Major | test |
+| [HBASE-22725](https://issues.apache.org/jira/browse/HBASE-22725) | Remove all remaining javadoc warnings | Trivial | test |
+| [HBASE-22615](https://issues.apache.org/jira/browse/HBASE-22615) | Make TestChoreService more robust to timing | Minor | test |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-22858](https://issues.apache.org/jira/browse/HBASE-22858) | Add HBCK Report to master's header.jsp | Minor | master |
+| [HBASE-22891](https://issues.apache.org/jira/browse/HBASE-22891) | Use HBaseQA in HBase-PreCommit-GitHub-PR job | Major | build, scripts |
+| [HBASE-22771](https://issues.apache.org/jira/browse/HBASE-22771) | [HBCK2] fixMeta method and server-side support | Major | hbck2 |
+| [HBASE-22848](https://issues.apache.org/jira/browse/HBASE-22848) | Set version as 2.1.6 in branch-2.1 in prep for first RC of 2.1.6 | Major | build |
+| [HBASE-22799](https://issues.apache.org/jira/browse/HBASE-22799) | Generate CHANGES.md and RELEASENOTES.md for 2.1.6 | Major | documentation |
+| [HBASE-22845](https://issues.apache.org/jira/browse/HBASE-22845) | Revert MetaTableAccessor#makePutFromTableState access to public | Blocker | . |
+| [HBASE-22777](https://issues.apache.org/jira/browse/HBASE-22777) | Add a multi-region merge (for fixing overlaps, etc.) | Major | hbck2, proc-v2 |
+| [HBASE-22803](https://issues.apache.org/jira/browse/HBASE-22803) | Modify config value range to enable turning off of the hbck chore | Major | . |
+| [HBASE-22824](https://issues.apache.org/jira/browse/HBASE-22824) | Show filesystem path for the orphans regions on filesystem | Major | . |
+| [HBASE-22808](https://issues.apache.org/jira/browse/HBASE-22808) | HBCK Report showed the offline regions which belong to disabled table | Major | . |
+| [HBASE-22807](https://issues.apache.org/jira/browse/HBASE-22807) | HBCK Report showed wrong orphans regions on FileSystem | Major | . |
+| [HBASE-22805](https://issues.apache.org/jira/browse/HBASE-22805) | Fix broken unit test, TestCatalogJanitorCluster on branch-2.1 and branch-2.0 | Major | . |
+| [HBASE-22737](https://issues.apache.org/jira/browse/HBASE-22737) | Add a new admin method and shell cmd to trigger the hbck chore to run | Major | . |
+| [HBASE-22741](https://issues.apache.org/jira/browse/HBASE-22741) | Show catalogjanitor consistency complaints in new 'HBCK Report' page | Major | hbck2, UI |
+| [HBASE-22723](https://issues.apache.org/jira/browse/HBASE-22723) | Have CatalogJanitor report holes and overlaps; i.e. problems it sees when doing its regular scan of hbase:meta | Major | . |
+| [HBASE-22709](https://issues.apache.org/jira/browse/HBASE-22709) | Add a chore thread in master to do hbck checking and display results in 'HBCK Report' page | Major | . |
+| [HBASE-22742](https://issues.apache.org/jira/browse/HBASE-22742) | [HBCK2] Add more log for hbck operations at master side | Minor | . |
+| [HBASE-22527](https://issues.apache.org/jira/browse/HBASE-22527) | [hbck2] Add a master web ui to show the problematic regions | Major | hbase-operator-tools, hbck2 |
+| [HBASE-22719](https://issues.apache.org/jira/browse/HBASE-22719) | Add debug support for github PR pre commit job | Major | build |
+| [HBASE-7191](https://issues.apache.org/jira/browse/HBASE-7191) | HBCK - Add offline create/fix hbase.version and hbase.id | Major | hbck |
+| [HBASE-22357](https://issues.apache.org/jira/browse/HBASE-22357) | Fix remaining Checkstyle issues in hbase-replication | Trivial | Replication |
+| [HBASE-22554](https://issues.apache.org/jira/browse/HBASE-22554) | Upgrade to surefire 2.22.2 | Major | test |
+| [HBASE-22507](https://issues.apache.org/jira/browse/HBASE-22507) | Backport the pre commit changes in HBASE-22500 to all active branches | Major | build |
+| [HBASE-22316](https://issues.apache.org/jira/browse/HBASE-22316) | Record the stack trace for current thread in FutureUtils.get | Major | asyncclient, Client |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-22833](https://issues.apache.org/jira/browse/HBASE-22833) | MultiRowRangeFilter should provide a method for creating a filter which is functionally equivalent to multiple prefix filters | Minor | Client |
+| [HBASE-22895](https://issues.apache.org/jira/browse/HBASE-22895) | Fix the flakey TestSpaceQuotas | Major | Quotas, test |
+| [HBASE-22910](https://issues.apache.org/jira/browse/HBASE-22910) | Enable TestMultiVersionConcurrencyControl | Major | test |
+| [HBASE-22913](https://issues.apache.org/jira/browse/HBASE-22913) | Use Hadoop label for nightly builds | Major | build |
+| [HBASE-22911](https://issues.apache.org/jira/browse/HBASE-22911) | fewer concurrent github PR builds | Critical | build |
+| [HBASE-21400](https://issues.apache.org/jira/browse/HBASE-21400) | correct spelling error of 'initilize' in comment | Trivial | documentation |
+| [HBASE-22382](https://issues.apache.org/jira/browse/HBASE-22382) | Refactor tests in TestFromClientSide | Major | test |
+| [HBASE-21606](https://issues.apache.org/jira/browse/HBASE-21606) | Document use of the meta table load metrics added in HBASE-19722 | Critical | documentation, meta, metrics, Operability |
+| [HBASE-19230](https://issues.apache.org/jira/browse/HBASE-19230) | Write up fixVersion policy from dev discussion in refguide | Major | documentation |
+| [HBASE-22566](https://issues.apache.org/jira/browse/HBASE-22566) | Call out default compaction throttling for 2.x in Book | Major | documentation |
+| [HBASE-22568](https://issues.apache.org/jira/browse/HBASE-22568) | [2.1] Upgrade to Jetty 9.3.latest and Jackson 2.9.latest | Major | dependencies |
+| [HBASE-21536](https://issues.apache.org/jira/browse/HBASE-21536) | Fix completebulkload usage instructions | Trivial | documentation, mapreduce |
+
+
+## Release 2.1.5 - Unreleased (as of 2019-05-28)
+
+### INCOMPATIBLE CHANGES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-21991](https://issues.apache.org/jira/browse/HBASE-21991) | Fix MetaMetrics issues - [Race condition, Faulty remove logic], few improvements | Major | Coprocessors, metrics |
+
+
+### NEW FEATURES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-22148](https://issues.apache.org/jira/browse/HBASE-22148) | Provide an alternative to CellUtil.setTimestamp | Blocker | API, Coprocessors |
+| [HBASE-21815](https://issues.apache.org/jira/browse/HBASE-21815) | Make isTrackingMetrics and getMetrics of ScannerContext public | Minor | . |
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-22467](https://issues.apache.org/jira/browse/HBASE-22467) | WebUI changes to enable Apache Knox UI proxying | Major | UI |
+| [HBASE-22474](https://issues.apache.org/jira/browse/HBASE-22474) | Add --mvn-custom-repo parameter to yetus calls | Minor | . |
+| [HBASE-20305](https://issues.apache.org/jira/browse/HBASE-20305) | Add option to SyncTable that skip deletes on target cluster | Minor | mapreduce |
+| [HBASE-21784](https://issues.apache.org/jira/browse/HBASE-21784) | Dump replication queue should show list of wal files ordered chronologically | Major | Replication, tooling |
+| [HBASE-22384](https://issues.apache.org/jira/browse/HBASE-22384) | Formatting issues in administration section of book | Minor | community, documentation |
+| [HBASE-21658](https://issues.apache.org/jira/browse/HBASE-21658) | Should get the meta replica number from zk instead of config at client side | Critical | Client |
+| [HBASE-22392](https://issues.apache.org/jira/browse/HBASE-22392) | Remove extra/useless + | Trivial | . |
+| [HBASE-20494](https://issues.apache.org/jira/browse/HBASE-20494) | Upgrade com.yammer.metrics dependency | Major | dependencies |
+| [HBASE-22358](https://issues.apache.org/jira/browse/HBASE-22358) | Change rubocop configuration for method length | Minor | community, shell |
+| [HBASE-22379](https://issues.apache.org/jira/browse/HBASE-22379) | Fix Markdown for "Voting on Release Candidates" in book | Minor | community, documentation |
+| [HBASE-22109](https://issues.apache.org/jira/browse/HBASE-22109) | Update hbase shaded content checker after guava update in hadoop branch-3.0 to 27.0-jre | Minor | . |
+| [HBASE-22087](https://issues.apache.org/jira/browse/HBASE-22087) | Update LICENSE/shading for the dependencies from the latest Hadoop trunk | Minor | hadoop3 |
+| [HBASE-22341](https://issues.apache.org/jira/browse/HBASE-22341) | Add explicit guidelines for removing deprecations in book | Major | API, community, documentation |
+| [HBASE-22225](https://issues.apache.org/jira/browse/HBASE-22225) | Profiler tab on Master/RS UI not working w/o comprehensive message | Minor | UI |
+| [HBASE-22291](https://issues.apache.org/jira/browse/HBASE-22291) | Fix recovery of recovered.edits files under root dir | Major | . |
+| [HBASE-20586](https://issues.apache.org/jira/browse/HBASE-20586) | SyncTable tool: Add support for cross-realm remote clusters | Major | mapreduce, Operability, Replication |
+| [HBASE-21257](https://issues.apache.org/jira/browse/HBASE-21257) | misspelled words.[occured -\> occurred] | Trivial | . |
+| [HBASE-22188](https://issues.apache.org/jira/browse/HBASE-22188) | Make TestSplitMerge more stable | Major | test |
+| [HBASE-22097](https://issues.apache.org/jira/browse/HBASE-22097) | Modify the description of split command in shell | Trivial | shell |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-22003](https://issues.apache.org/jira/browse/HBASE-22003) | Fix flaky test TestVerifyReplication.testHBase14905 | Major | . |
+| [HBASE-22441](https://issues.apache.org/jira/browse/HBASE-22441) | BucketCache NullPointerException in cacheBlock | Major | BucketCache |
+| [HBASE-22462](https://issues.apache.org/jira/browse/HBASE-22462) | Should run a 'mvn install' at the end of hadoop check in pre commit job | Major | build |
+| [HBASE-22440](https://issues.apache.org/jira/browse/HBASE-22440) | HRegionServer#getWalGroupsReplicationStatus() throws NPE | Major | regionserver, Replication |
+| [HBASE-22289](https://issues.apache.org/jira/browse/HBASE-22289) | WAL-based log splitting resubmit threshold may result in a task being stuck forever | Major | . |
+| [HBASE-22226](https://issues.apache.org/jira/browse/HBASE-22226) | Incorrect level for headings in asciidoc | Trivial | documentation |
+| [HBASE-22442](https://issues.apache.org/jira/browse/HBASE-22442) | Nightly build is failing with hadoop 3.x | Major | build, hadoop3 |
+| [HBASE-20970](https://issues.apache.org/jira/browse/HBASE-20970) | Update hadoop check versions for hadoop3 in hbase-personality | Major | build |
+| [HBASE-22274](https://issues.apache.org/jira/browse/HBASE-22274) | Cell size limit check on append should consider cell's previous size. | Minor | . |
+| [HBASE-22072](https://issues.apache.org/jira/browse/HBASE-22072) | High read/write intensive regions may cause long crash recovery | Major | Performance, Recovery |
+| [HBASE-20851](https://issues.apache.org/jira/browse/HBASE-20851) | Change rubocop config for max line length of 100 | Minor | community, shell |
+| [HBASE-21467](https://issues.apache.org/jira/browse/HBASE-21467) | Fix flaky test TestCoprocessorClassLoader.testCleanupOldJars | Minor | . |
+| [HBASE-22312](https://issues.apache.org/jira/browse/HBASE-22312) | Hadoop 3 profile for hbase-shaded-mapreduce should like mapreduce as a provided dependency | Major | mapreduce, shading |
+| [HBASE-22314](https://issues.apache.org/jira/browse/HBASE-22314) | shaded byo-hadoop client should list needed hadoop modules as provided scope to avoid inclusion of unnecessary transitive depednencies | Major | hadoop2, hadoop3, shading |
+| [HBASE-22047](https://issues.apache.org/jira/browse/HBASE-22047) | LeaseException in Scan should be retired | Major | Client, Scanners |
+| [HBASE-22190](https://issues.apache.org/jira/browse/HBASE-22190) | SnapshotFileCache may fail to load the correct snapshot file list when there is an on-going snapshot operation | Blocker | snapshots |
+| [HBASE-22354](https://issues.apache.org/jira/browse/HBASE-22354) | master never sets abortRequested, and thus abort timeout doesn't work for it | Major | . |
+| [HBASE-22350](https://issues.apache.org/jira/browse/HBASE-22350) | Rewrite TestClientOperationTimeout so we do not timeout when creating table | Major | test |
+| [HBASE-22340](https://issues.apache.org/jira/browse/HBASE-22340) | Corrupt KeyValue is silently ignored | Critical | wal |
+| [HBASE-22054](https://issues.apache.org/jira/browse/HBASE-22054) | Space Quota: Compaction is not working for super user in case of NO\_WRITES\_COMPACTIONS | Minor | . |
+| [HBASE-22236](https://issues.apache.org/jira/browse/HBASE-22236) | AsyncNonMetaRegionLocator should not cache HRegionLocation with null location | Major | asyncclient |
+| [HBASE-22086](https://issues.apache.org/jira/browse/HBASE-22086) | space quota issue: deleting snapshot doesn't update the usage of table | Minor | . |
+| [HBASE-22298](https://issues.apache.org/jira/browse/HBASE-22298) | branch-2.2 nightly fails "[ForOverride] Method annotated @ForOverride must have protected or package-private visibility" | Major | . |
+| [HBASE-22292](https://issues.apache.org/jira/browse/HBASE-22292) | PreemptiveFastFailInterceptor clean repeatedFailuresMap issue | Blocker | . |
+| [HBASE-22230](https://issues.apache.org/jira/browse/HBASE-22230) | REST Server drops connection on long scans | Major | . |
+| [HBASE-22200](https://issues.apache.org/jira/browse/HBASE-22200) | WALSplitter.hasRecoveredEdits should use same FS instance from WAL region dir | Major | wal |
+| [HBASE-22286](https://issues.apache.org/jira/browse/HBASE-22286) | License handling incorrectly lists CDDL/GPLv2+CE as safe to not aggregate | Critical | build, community |
+| [HBASE-22282](https://issues.apache.org/jira/browse/HBASE-22282) | Should deal with error in the callback of RawAsyncHBaseAdmin.splitRegion methods | Major | Admin, asyncclient |
+| [HBASE-22278](https://issues.apache.org/jira/browse/HBASE-22278) | RawAsyncHBaseAdmin should not use cached region location | Major | Admin, asyncclient |
+| [HBASE-22249](https://issues.apache.org/jira/browse/HBASE-22249) | Rest Server throws NoClassDefFoundError with Java 11 (run-time) | Major | . |
+| [HBASE-22235](https://issues.apache.org/jira/browse/HBASE-22235) | OperationStatus.{SUCCESS\|FAILURE\|NOT\_RUN} are not visible to 3rd party coprocessors | Major | Coprocessors |
+| [HBASE-22144](https://issues.apache.org/jira/browse/HBASE-22144) | MultiRowRangeFilter does not work with reversed scans | Critical | Filters, Scanners |
+| [HBASE-22214](https://issues.apache.org/jira/browse/HBASE-22214) | [2.x] Backport missing filter improvements | Major | Filters |
+| [HBASE-22198](https://issues.apache.org/jira/browse/HBASE-22198) | Fix flakey TestAsyncTableGetMultiThreaded | Major | test |
+| [HBASE-22185](https://issues.apache.org/jira/browse/HBASE-22185) | RAMQueueEntry#writeToCache should freeBlock if any exception encountered instead of the IOException catch block | Major | . |
+| [HBASE-22128](https://issues.apache.org/jira/browse/HBASE-22128) | Move namespace region then master crashed make deadlock | Critical | amv2 |
+| [HBASE-22180](https://issues.apache.org/jira/browse/HBASE-22180) | Make TestBlockEvictionFromClient.testBlockRefCountAfterSplits more stable | Major | test |
+| [HBASE-22179](https://issues.apache.org/jira/browse/HBASE-22179) | Fix RawAsyncHBaseAdmin.getCompactionState | Major | Admin, asyncclient |
+| [HBASE-22177](https://issues.apache.org/jira/browse/HBASE-22177) | Do not recreate IOException in RawAsyncHBaseAdmin.adminCall | Major | Admin, asyncclient |
+| [HBASE-22070](https://issues.apache.org/jira/browse/HBASE-22070) | Checking restoreDir in RestoreSnapshotHelper | Minor | snapshots |
+| [HBASE-20912](https://issues.apache.org/jira/browse/HBASE-20912) | Add import order config in dev support for eclipse | Major | . |
+| [HBASE-21688](https://issues.apache.org/jira/browse/HBASE-21688) | Address WAL filesystem issues | Major | Filesystem Integration, wal |
+| [HBASE-22073](https://issues.apache.org/jira/browse/HBASE-22073) | /rits.jsp throws an exception if no procedure | Major | UI |
+| [HBASE-22123](https://issues.apache.org/jira/browse/HBASE-22123) | REST gateway reports Insufficient permissions exceptions as 404 Not Found | Minor | REST |
+| [HBASE-21135](https://issues.apache.org/jira/browse/HBASE-21135) | Build fails on windows as it fails to parse windows path during license check | Major | build |
+| [HBASE-21781](https://issues.apache.org/jira/browse/HBASE-21781) | list\_deadservers elapsed time is incorrect | Major | shell |
+| [HBASE-22100](https://issues.apache.org/jira/browse/HBASE-22100) | False positive for error prone warnings in pre commit job | Minor | build |
+| [HBASE-22098](https://issues.apache.org/jira/browse/HBASE-22098) | Backport HBASE-18667 "Disable error-prone for hbase-protocol-shaded" to branch-2 | Major | build |
+| [HBASE-20662](https://issues.apache.org/jira/browse/HBASE-20662) | Increasing space quota on a violated table does not remove SpaceViolationPolicy.DISABLE enforcement | Major | . |
+| [HBASE-21619](https://issues.apache.org/jira/browse/HBASE-21619) | Fix warning message caused by incorrect ternary operator evaluation | Trivial | . |
+| [HBASE-22045](https://issues.apache.org/jira/browse/HBASE-22045) | Mutable range histogram reports incorrect outliers | Major | . |
+| [HBASE-21736](https://issues.apache.org/jira/browse/HBASE-21736) | Remove the server from online servers before scheduling SCP for it in hbck | Major | hbck2, test |
+| [HBASE-22006](https://issues.apache.org/jira/browse/HBASE-22006) | Fix branch-2.1 findbugs warning; causes nightly show as failed. | Major | . |
+
+
+### TESTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-21963](https://issues.apache.org/jira/browse/HBASE-21963) | Add a script for building and verifying release candidate | Minor | community, scripts |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-22419](https://issues.apache.org/jira/browse/HBASE-22419) | Backport hbase-personality changes in HBASE-22399 and HBASE-20970 to all active branches | Major | build |
+| [HBASE-22445](https://issues.apache.org/jira/browse/HBASE-22445) | Add file info when throw exceptions in HFileReaderImpl | Major | . |
+| [HBASE-22447](https://issues.apache.org/jira/browse/HBASE-22447) | Check refCount before free block in BucketCache | Major | BucketCache |
+| [HBASE-22325](https://issues.apache.org/jira/browse/HBASE-22325) | AsyncRpcRetryingCaller will not schedule retry if we hit a NotServingRegionException but there is no TableName provided | Major | asyncclient, Client |
+| [HBASE-22152](https://issues.apache.org/jira/browse/HBASE-22152) | Create a jenkins file for yetus to processing GitHub PR | Major | build |
+| [HBASE-22135](https://issues.apache.org/jira/browse/HBASE-22135) | AsyncAdmin will not refresh master address | Major | Admin, asyncclient, Client |
+| [HBASE-22101](https://issues.apache.org/jira/browse/HBASE-22101) | AsyncAdmin.isTableAvailable should not throw TableNotFoundException | Major | Admin, asyncclient, Client |
+| [HBASE-22094](https://issues.apache.org/jira/browse/HBASE-22094) | Throw TableNotFoundException if table not exists in AsyncAdmin.compact | Major | Admin |
+| [HBASE-21998](https://issues.apache.org/jira/browse/HBASE-21998) | Move branch-2.1 version from 2.1.4 to 2.1.5-SNAPSHOT | Major | community |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-22449](https://issues.apache.org/jira/browse/HBASE-22449) | https everywhere in Maven metadata | Minor | . |
+| [HBASE-22406](https://issues.apache.org/jira/browse/HBASE-22406) | skip generating rdoc when building gems in our docker image for running yetus | Critical | build, test |
+| [HBASE-22375](https://issues.apache.org/jira/browse/HBASE-22375) | Promote AccessChecker to LimitedPrivate(Coprocessor) | Minor | Coprocessors, security |
+| [HBASE-22359](https://issues.apache.org/jira/browse/HBASE-22359) | Backport of HBASE-21371 misses activation-api license information | Minor | build, community |
+| [HBASE-22174](https://issues.apache.org/jira/browse/HBASE-22174) | Remove error prone from our precommit javac check | Major | build |
+| [HBASE-22231](https://issues.apache.org/jira/browse/HBASE-22231) | Remove unused and \* imports | Minor | . |
+| [HBASE-22304](https://issues.apache.org/jira/browse/HBASE-22304) | Fix remaining Checkstyle issues in hbase-endpoint | Trivial | . |
+| [HBASE-22020](https://issues.apache.org/jira/browse/HBASE-22020) | upgrade to yetus 0.9.0 | Major | build, community |
+| [HBASE-22192](https://issues.apache.org/jira/browse/HBASE-22192) | Delete misc 2.0.5 pom files from branch-2.1 | Minor | community |
+| [HBASE-22203](https://issues.apache.org/jira/browse/HBASE-22203) | Reformat DemoClient.java | Trivial | . |
+| [HBASE-22189](https://issues.apache.org/jira/browse/HBASE-22189) | Remove usage of StoreFile.getModificationTimeStamp | Trivial | . |
+| [HBASE-22131](https://issues.apache.org/jira/browse/HBASE-22131) | Delete the patches in hbase-protocol-shaded module | Major | build, Protobufs |
+| [HBASE-22099](https://issues.apache.org/jira/browse/HBASE-22099) | Backport HBASE-21895 "Error prone upgrade" to branch-2 | Major | build |
+| [HBASE-22042](https://issues.apache.org/jira/browse/HBASE-22042) | Missing @Override annotation for RawAsyncTableImpl.scan | Major | asyncclient, Client |
+
+
+## Release 2.1.4 - Unreleased (as of 2019-03-24)
+
+
+
+### NEW FEATURES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-21926](https://issues.apache.org/jira/browse/HBASE-21926) | Profiler servlet | Major | master, Operability, regionserver |
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-22032](https://issues.apache.org/jira/browse/HBASE-22032) | KeyValue validation should check for null byte array | Major | . |
+| [HBASE-21667](https://issues.apache.org/jira/browse/HBASE-21667) | Move to latest ASF Parent POM | Minor | build |
+| [HBASE-21871](https://issues.apache.org/jira/browse/HBASE-21871) | Support to specify a peer table name in VerifyReplication tool | Major | . |
+| [HBASE-21867](https://issues.apache.org/jira/browse/HBASE-21867) | Support multi-threads in HFileArchiver | Major | . |
+| [HBASE-21932](https://issues.apache.org/jira/browse/HBASE-21932) | Use Runtime.getRuntime().halt to terminate regionserver when abort timeout | Major | . |
+| [HBASE-21636](https://issues.apache.org/jira/browse/HBASE-21636) | Enhance the shell scan command to support missing scanner specifications like ReadType, IsolationLevel etc. | Major | shell |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-21990](https://issues.apache.org/jira/browse/HBASE-21990) | puppycrawl checkstyle dtds 404... moved to sourceforge | Major | build |
+| [HBASE-21960](https://issues.apache.org/jira/browse/HBASE-21960) | RESTServletContainer not configured for REST Jetty server | Blocker | REST |
+| [HBASE-21915](https://issues.apache.org/jira/browse/HBASE-21915) | FileLink$FileLinkInputStream doesn't implement CanUnbuffer | Major | Filesystem Integration |
+| [HBASE-21983](https://issues.apache.org/jira/browse/HBASE-21983) | Should track the scan metrics in AsyncScanSingleRegionRpcRetryingCaller if scan metrics is enabled | Major | asyncclient, Client |
+| [HBASE-21980](https://issues.apache.org/jira/browse/HBASE-21980) | Fix typo in AbstractTestAsyncTableRegionReplicasRead | Major | test |
+| [HBASE-21961](https://issues.apache.org/jira/browse/HBASE-21961) | Infinite loop in AsyncNonMetaRegionLocator if there is only one region and we tried to locate before a non empty row | Critical | asyncclient, Client |
+| [HBASE-21943](https://issues.apache.org/jira/browse/HBASE-21943) | The usage of RegionLocations.mergeRegionLocations is wrong for async client | Critical | asyncclient, Client |
+| [HBASE-21942](https://issues.apache.org/jira/browse/HBASE-21942) | [UI] requests per second is incorrect in rsgroup page(rsgroup.jsp) | Minor | . |
+| [HBASE-21929](https://issues.apache.org/jira/browse/HBASE-21929) | The checks at the end of TestRpcClientLeaks are not executed | Major | test |
+| [HBASE-21899](https://issues.apache.org/jira/browse/HBASE-21899) | Fix missing variables in slf4j Logger | Trivial | logging |
+| [HBASE-21910](https://issues.apache.org/jira/browse/HBASE-21910) | The nonce implementation is wrong for AsyncTable | Critical | asyncclient, Client |
+| [HBASE-21900](https://issues.apache.org/jira/browse/HBASE-21900) | Infinite loop in AsyncMetaRegionLocator if we can not get the location for meta | Major | asyncclient, Client |
+| [HBASE-21890](https://issues.apache.org/jira/browse/HBASE-21890) | Use execute instead of submit to submit a task in RemoteProcedureDispatcher | Critical | proc-v2 |
+| [HBASE-21889](https://issues.apache.org/jira/browse/HBASE-21889) | Use thrift 0.12.0 when build thrift by compile-thrift profile | Major | . |
+| [HBASE-21854](https://issues.apache.org/jira/browse/HBASE-21854) | Race condition in TestProcedureSkipPersistence | Minor | proc-v2 |
+| [HBASE-18484](https://issues.apache.org/jira/browse/HBASE-18484) | VerifyRep by snapshot does not work when Yarn / SourceHBase / PeerHBase located in different HDFS clusters | Major | Replication |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-22066](https://issues.apache.org/jira/browse/HBASE-22066) | Add markers to CHANGES.md and RELEASENOTES.md | Major | . |
+| [HBASE-22059](https://issues.apache.org/jira/browse/HBASE-22059) | 2.1 addendum; (check-jar-contents) @ hbase-shaded-check-invariants fails | Major | . |
+| [HBASE-22022](https://issues.apache.org/jira/browse/HBASE-22022) | nightly fails rat check down in the dev-support/hbase\_nightly\_source-artifact.sh check | Major | . |
+| [HBASE-22025](https://issues.apache.org/jira/browse/HBASE-22025) | RAT check fails in nightlies; fails on (old) test data files. | Major | . |
+| [HBASE-21999](https://issues.apache.org/jira/browse/HBASE-21999) | [DEBUG] Exit if git returns empty revision! | Major | build |
+| [HBASE-21997](https://issues.apache.org/jira/browse/HBASE-21997) | Fix hbase-rest findbugs ST\_WRITE\_TO\_STATIC\_FROM\_INSTANCE\_METHOD complaint | Major | REST |
+| [HBASE-21985](https://issues.apache.org/jira/browse/HBASE-21985) | Set version as 2.1.4 in branch-2.1 in prep for first RC | Major | build, release |
+| [HBASE-21984](https://issues.apache.org/jira/browse/HBASE-21984) | Generate CHANGES.md and RELEASENOTES.md for 2.1.4 | Major | documentation, release |
+| [HBASE-21934](https://issues.apache.org/jira/browse/HBASE-21934) | RemoteProcedureDispatcher should track the ongoing dispatched calls | Blocker | proc-v2 |
+| [HBASE-21978](https://issues.apache.org/jira/browse/HBASE-21978) | Should close AsyncRegistry if we fail to get cluster id when creating AsyncConnection | Major | asyncclient, Client |
+| [HBASE-21976](https://issues.apache.org/jira/browse/HBASE-21976) | Deal with RetryImmediatelyException for batching request | Major | asyncclient, Client |
+| [HBASE-21906](https://issues.apache.org/jira/browse/HBASE-21906) | Backport the CallQueueTooBigException related changes in HBASE-21875 to branch-2.1 | Major | proc-v2 |
+| [HBASE-21927](https://issues.apache.org/jira/browse/HBASE-21927) | Always fail the locate request when error occur | Major | asyncclient, Client |
+| [HBASE-21930](https://issues.apache.org/jira/browse/HBASE-21930) | Deal with ScannerResetException when opening region scanner | Major | asyncclient, Client |
+| [HBASE-19889](https://issues.apache.org/jira/browse/HBASE-19889) | Revert Workaround: Purge User API building from branch-2 so can make a beta-1 | Major | website |
+| [HBASE-21897](https://issues.apache.org/jira/browse/HBASE-21897) | Set version to 2.1.4-SNAPSHOT for branch-2.1 | Major | build |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-21057](https://issues.apache.org/jira/browse/HBASE-21057) | upgrade to latest spotbugs | Minor | community, test |
+| [HBASE-21884](https://issues.apache.org/jira/browse/HBASE-21884) | Fix box/unbox findbugs warning in secure bulk load | Minor | . |
+
+
+## Release 2.1.3 - Unreleased (as of 2019-02-10)
+
+
+
+### INCOMPATIBLE CHANGES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-21727](https://issues.apache.org/jira/browse/HBASE-21727) | Simplify documentation around client timeout | Minor | . |
+| [HBASE-21684](https://issues.apache.org/jira/browse/HBASE-21684) | Throw DNRIOE when connection or rpc client is closed | Major | asyncclient, Client |
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-21201](https://issues.apache.org/jira/browse/HBASE-21201) | Support to run VerifyReplication MR tool without peerid | Major | hbase-operator-tools |
+| [HBASE-21857](https://issues.apache.org/jira/browse/HBASE-21857) | Do not need to check clusterKey if replicationEndpoint is provided when adding a peer | Major | . |
+| [HBASE-21816](https://issues.apache.org/jira/browse/HBASE-21816) | Print source cluster replication config directory | Trivial | Replication |
+| [HBASE-21833](https://issues.apache.org/jira/browse/HBASE-21833) | Use NettyAsyncFSWALConfigHelper.setEventLoopConfig to prevent creating too many netty event loop when executing TestHRegion | Minor | test |
+| [HBASE-21634](https://issues.apache.org/jira/browse/HBASE-21634) | Print error message when user uses unacceptable values for LIMIT while setting quotas. | Minor | . |
+| [HBASE-21712](https://issues.apache.org/jira/browse/HBASE-21712) | Make submit-patch.py python3 compatible | Minor | tooling |
+| [HBASE-21590](https://issues.apache.org/jira/browse/HBASE-21590) | Optimize trySkipToNextColumn in StoreScanner a bit | Critical | Performance, Scanners |
+| [HBASE-21297](https://issues.apache.org/jira/browse/HBASE-21297) | ModifyTableProcedure can throw TNDE instead of IOE in case of REGION\_REPLICATION change | Minor | . |
+| [HBASE-21694](https://issues.apache.org/jira/browse/HBASE-21694) | Add append\_peer\_exclude\_tableCFs and remove\_peer\_exclude\_tableCFs shell commands | Major | . |
+| [HBASE-21645](https://issues.apache.org/jira/browse/HBASE-21645) | Perform sanity check and disallow table creation/modification with region replication \< 1 | Minor | . |
+| [HBASE-21662](https://issues.apache.org/jira/browse/HBASE-21662) | Add append\_peer\_exclude\_namespaces and remove\_peer\_exclude\_namespaces shell commands | Major | . |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-21862](https://issues.apache.org/jira/browse/HBASE-21862) | IPCUtil.wrapException should keep the original exception types for all the connection exceptions | Blocker | . |
+| [HBASE-21775](https://issues.apache.org/jira/browse/HBASE-21775) | The BufferedMutator doesn't ever refresh region location cache | Major | Client |
+| [HBASE-21843](https://issues.apache.org/jira/browse/HBASE-21843) | RegionGroupingProvider breaks the meta wal file name pattern which may cause data loss for meta region | Blocker | wal |
+| [HBASE-21795](https://issues.apache.org/jira/browse/HBASE-21795) | Client application may get stuck (time bound) if a table modify op is called immediately after split op | Critical | amv2 |
+| [HBASE-21840](https://issues.apache.org/jira/browse/HBASE-21840) | TestHRegionWithInMemoryFlush fails with NPE | Blocker | test |
+| [HBASE-21644](https://issues.apache.org/jira/browse/HBASE-21644) | Modify table procedure runs infinitely for a table having region replication \> 1 | Critical | Admin |
+| [HBASE-21699](https://issues.apache.org/jira/browse/HBASE-21699) | Create table failed when using SPLITS\_FILE =\> 'splits.txt' | Blocker | Client, shell |
+| [HBASE-21535](https://issues.apache.org/jira/browse/HBASE-21535) | Zombie Master detector is not working | Critical | master |
+| [HBASE-21754](https://issues.apache.org/jira/browse/HBASE-21754) | ReportRegionStateTransitionRequest should be executed in priority executor | Major | . |
+| [HBASE-21475](https://issues.apache.org/jira/browse/HBASE-21475) | Put mutation (having TTL set) added via co-processor is retrieved even after TTL expires | Major | Coprocessors |
+| [HBASE-21749](https://issues.apache.org/jira/browse/HBASE-21749) | RS UI may throw NPE and make rs-status page inaccessible with multiwal and replication | Major | Replication, UI |
+| [HBASE-21746](https://issues.apache.org/jira/browse/HBASE-21746) | Fix two concern cases in RegionMover | Major | . |
+| [HBASE-21732](https://issues.apache.org/jira/browse/HBASE-21732) | Should call toUpperCase before using Enum.valueOf in some methods for ColumnFamilyDescriptor | Critical | Client |
+| [HBASE-21704](https://issues.apache.org/jira/browse/HBASE-21704) | The implementation of DistributedHBaseCluster.getServerHoldingRegion is incorrect | Major | . |
+| [HBASE-20917](https://issues.apache.org/jira/browse/HBASE-20917) | MetaTableMetrics#stop references uninitialized requestsMap for non-meta region | Major | meta, metrics |
+| [HBASE-21639](https://issues.apache.org/jira/browse/HBASE-21639) | maxHeapUsage value not read properly from config during EntryBuffers initialization | Minor | . |
+| [HBASE-21225](https://issues.apache.org/jira/browse/HBASE-21225) | Having RPC & Space quota on a table/Namespace doesn't allow space quota to be removed using 'NONE' | Major | . |
+| [HBASE-20220](https://issues.apache.org/jira/browse/HBASE-20220) | [RSGroup] Check if table exists in the cluster before moving it to the specified regionserver group | Major | rsgroup |
+| [HBASE-21691](https://issues.apache.org/jira/browse/HBASE-21691) | Fix flaky test TestRecoveredEdits | Major | . |
+| [HBASE-21683](https://issues.apache.org/jira/browse/HBASE-21683) | Reset readsEnabled flag after successfully flushing the primary region | Critical | read replicas |
+| [HBASE-21630](https://issues.apache.org/jira/browse/HBASE-21630) | [shell] Define ENDKEY == STOPROW (we have ENDROW) | Trivial | shell |
+| [HBASE-21547](https://issues.apache.org/jira/browse/HBASE-21547) | Precommit uses master flaky list for other branches | Major | test |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-21819](https://issues.apache.org/jira/browse/HBASE-21819) | Generate CHANGES.md and RELEASENOTES.md for 2.1.3 | Major | documentation, release |
+| [HBASE-21834](https://issues.apache.org/jira/browse/HBASE-21834) | Set version as 2.1.3 in branch-2.1 in prep for first RC | Major | build, release |
+| [HBASE-21829](https://issues.apache.org/jira/browse/HBASE-21829) | Use FutureUtils.addListener instead of calling whenComplete directly | Major | asyncclient, Client |
+| [HBASE-21832](https://issues.apache.org/jira/browse/HBASE-21832) | Backport parent "HBASE-21595 Print thread's information and stack traces when RS is aborting forcibly" to branch-2.0/2.1 | Minor | regionserver |
+| [HBASE-21828](https://issues.apache.org/jira/browse/HBASE-21828) | Make sure we do not return CompletionException when locating region | Major | asyncclient, Client |
+| [HBASE-21764](https://issues.apache.org/jira/browse/HBASE-21764) | Size of in-memory compaction thread pool should be configurable | Major | in-memory-compaction |
+| [HBASE-21402](https://issues.apache.org/jira/browse/HBASE-21402) | Backport parent "HBASE-21325 Force to terminate regionserver when abort hang in somewhere" | Major | . |
+| [HBASE-21734](https://issues.apache.org/jira/browse/HBASE-21734) | Some optimization in FilterListWithOR | Major | . |
+| [HBASE-21738](https://issues.apache.org/jira/browse/HBASE-21738) | Remove all the CSLM#size operation in our memstore because it's an quite time consuming. | Critical | Performance |
+| [HBASE-19695](https://issues.apache.org/jira/browse/HBASE-19695) | Handle disabled table for async client | Major | asyncclient, Client |
+| [HBASE-21711](https://issues.apache.org/jira/browse/HBASE-21711) | Remove references to git.apache.org/hbase.git | Critical | . |
+| [HBASE-19722](https://issues.apache.org/jira/browse/HBASE-19722) | Meta query statistics metrics source | Critical | Coprocessors, meta, metrics, Operability |
+| [HBASE-21705](https://issues.apache.org/jira/browse/HBASE-21705) | Should treat meta table specially for some methods in AsyncAdmin | Major | Admin, asyncclient, Client |
+| [HBASE-21663](https://issues.apache.org/jira/browse/HBASE-21663) | Add replica scan support | Major | asyncclient, Client, read replicas |
+| [HBASE-21580](https://issues.apache.org/jira/browse/HBASE-21580) | Support getting Hbck instance from AsyncConnection | Major | asyncclient, Client, hbck2 |
+| [HBASE-21698](https://issues.apache.org/jira/browse/HBASE-21698) | Move version in branch-2.1 from 2.1.2 to 2.1.3-SNAPSHOT | Major | release |
+| [HBASE-21682](https://issues.apache.org/jira/browse/HBASE-21682) | Support getting from specific replica | Major | read replicas |
+| [HBASE-17356](https://issues.apache.org/jira/browse/HBASE-17356) | Add replica get support | Major | Client |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-21612](https://issues.apache.org/jira/browse/HBASE-21612) | Add developer debug options in HBase Config for REST server | Minor | Operability, REST, scripts |
+| [HBASE-21853](https://issues.apache.org/jira/browse/HBASE-21853) | update copyright notices to 2019 | Major | documentation |
+| [HBASE-21791](https://issues.apache.org/jira/browse/HBASE-21791) | Upgrade thrift dependency to 0.12.0 | Blocker | Thrift |
+| [HBASE-21715](https://issues.apache.org/jira/browse/HBASE-21715) | Do not throw UnsupportedOperationException in ProcedureFuture.get | Major | Client |
+| [HBASE-21731](https://issues.apache.org/jira/browse/HBASE-21731) | Do not need to use ClusterConnection in IntegrationTestBigLinkedListWithVisibility | Major | . |
+| [HBASE-21685](https://issues.apache.org/jira/browse/HBASE-21685) | Change repository urls to Gitbox | Critical | . |
+| [HBASE-21282](https://issues.apache.org/jira/browse/HBASE-21282) | Upgrade to latest jetty 9.2 and 9.3 versions | Major | dependencies |
+
+
+
+## Release 2.1.2 - Unreleased (as of 2018-12-29)
+
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-21640](https://issues.apache.org/jira/browse/HBASE-21640) | Remove the TODO when increment zero | Major | . |
+| [HBASE-21631](https://issues.apache.org/jira/browse/HBASE-21631) | list\_quotas should print human readable values for LIMIT | Minor | shell |
+| [HBASE-21635](https://issues.apache.org/jira/browse/HBASE-21635) | Use maven enforcer to ban imports from illegal packages | Major | build |
+| [HBASE-21520](https://issues.apache.org/jira/browse/HBASE-21520) | TestMultiColumnScanner cost long time when using ROWCOL bloom type | Major | test |
+| [HBASE-21590](https://issues.apache.org/jira/browse/HBASE-21590) | Optimize trySkipToNextColumn in StoreScanner a bit | Critical | Performance, Scanners |
+| [HBASE-21554](https://issues.apache.org/jira/browse/HBASE-21554) | Show replication endpoint classname for replication peer on master web UI | Minor | UI |
+| [HBASE-21549](https://issues.apache.org/jira/browse/HBASE-21549) | Add shell command for serial replication peer | Major | . |
+| [HBASE-21567](https://issues.apache.org/jira/browse/HBASE-21567) | Allow overriding configs starting up the shell | Major | shell |
+| [HBASE-21413](https://issues.apache.org/jira/browse/HBASE-21413) | Empty meta log doesn't get split when restart whole cluster | Major | . |
+| [HBASE-21524](https://issues.apache.org/jira/browse/HBASE-21524) | Unnecessary DEBUG log in ConnectionImplementation#isTableEnabled | Major | Client |
+| [HBASE-21511](https://issues.apache.org/jira/browse/HBASE-21511) | Remove in progress snapshot check in SnapshotFileCache#getUnreferencedFiles | Minor | . |
+| [HBASE-21480](https://issues.apache.org/jira/browse/HBASE-21480) | Taking snapshot when RS crashes prevent we bring the regions online | Major | snapshots |
+| [HBASE-21485](https://issues.apache.org/jira/browse/HBASE-21485) | Add more debug logs for remote procedure execution | Major | proc-v2 |
+| [HBASE-21388](https://issues.apache.org/jira/browse/HBASE-21388) | No need to instantiate MemStoreLAB for master which not carry table | Major | . |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-21646](https://issues.apache.org/jira/browse/HBASE-21646) | Flakey TestTableSnapshotInputFormat; DisableTable not completing... | Major | test |
+| [HBASE-21545](https://issues.apache.org/jira/browse/HBASE-21545) | NEW\_VERSION\_BEHAVIOR breaks Get/Scan with specified columns | Major | API |
+| [HBASE-21629](https://issues.apache.org/jira/browse/HBASE-21629) | draining\_servers.rb is broken | Major | scripts |
+| [HBASE-21621](https://issues.apache.org/jira/browse/HBASE-21621) | Reversed scan does not return expected number of rows | Critical | scan |
+| [HBASE-21620](https://issues.apache.org/jira/browse/HBASE-21620) | Problem in scan query when using more than one column prefix filter in some cases. | Major | scan |
+| [HBASE-21618](https://issues.apache.org/jira/browse/HBASE-21618) | Scan with the same startRow(inclusive=true) and stopRow(inclusive=false) returns one result | Critical | Client |
+| [HBASE-21610](https://issues.apache.org/jira/browse/HBASE-21610) | numOpenConnections metric is set to -1 when zero server channel exist | Minor | metrics |
+| [HBASE-21498](https://issues.apache.org/jira/browse/HBASE-21498) | Master OOM when SplitTableRegionProcedure new CacheConfig and instantiate a new BlockCache | Major | . |
+| [HBASE-21592](https://issues.apache.org/jira/browse/HBASE-21592) | quota.addGetResult(r) throw NPE | Major | . |
+| [HBASE-21589](https://issues.apache.org/jira/browse/HBASE-21589) | TestCleanupMetaWAL fails | Blocker | test, wal |
+| [HBASE-21582](https://issues.apache.org/jira/browse/HBASE-21582) | If call HBaseAdmin#snapshotAsync but forget call isSnapshotFinished, then SnapshotHFileCleaner will skip to run every time | Major | . |
+| [HBASE-21568](https://issues.apache.org/jira/browse/HBASE-21568) | Disable use of BlockCache for LoadIncrementalHFiles | Major | Client |
+| [HBASE-21453](https://issues.apache.org/jira/browse/HBASE-21453) | Convert ReadOnlyZKClient to DEBUG instead of INFO | Major | logging, Zookeeper |
+| [HBASE-21559](https://issues.apache.org/jira/browse/HBASE-21559) | The RestoreSnapshotFromClientTestBase related UT are flaky | Major | . |
+| [HBASE-21551](https://issues.apache.org/jira/browse/HBASE-21551) | Memory leak when use scan with STREAM at server side | Blocker | regionserver |
+| [HBASE-21479](https://issues.apache.org/jira/browse/HBASE-21479) | Individual tests in TestHRegionReplayEvents class are failing | Major | . |
+| [HBASE-21518](https://issues.apache.org/jira/browse/HBASE-21518) | TestMasterFailoverWithProcedures is flaky | Major | . |
+| [HBASE-21504](https://issues.apache.org/jira/browse/HBASE-21504) | If enable FIFOCompactionPolicy, a compaction may write a "empty" hfile whose maxTimeStamp is long max. This kind of hfile will never be archived. | Critical | Compaction |
+| [HBASE-21300](https://issues.apache.org/jira/browse/HBASE-21300) | Fix the wrong reference file path when restoring snapshots for tables with MOB columns | Major | . |
+| [HBASE-21492](https://issues.apache.org/jira/browse/HBASE-21492) | CellCodec Written To WAL Before It's Verified | Critical | wal |
+| [HBASE-21507](https://issues.apache.org/jira/browse/HBASE-21507) | Compaction failed when execute AbstractMultiFileWriter.beforeShipped() method | Major | regionserver |
+| [HBASE-21387](https://issues.apache.org/jira/browse/HBASE-21387) | Race condition surrounding in progress snapshot handling in snapshot cache leads to loss of snapshot files | Major | snapshots |
+| [HBASE-21503](https://issues.apache.org/jira/browse/HBASE-21503) | Replication normal source can get stuck due potential race conditions between source wal reader and wal provider initialization threads. | Blocker | Replication |
+| [HBASE-21440](https://issues.apache.org/jira/browse/HBASE-21440) | Assign procedure on the crashed server is not properly interrupted | Major | . |
+| [HBASE-21468](https://issues.apache.org/jira/browse/HBASE-21468) | separate workers for meta table is not working | Major | . |
+| [HBASE-21445](https://issues.apache.org/jira/browse/HBASE-21445) | CopyTable by bulkload will write hfile into yarn's HDFS | Major | mapreduce |
+| [HBASE-21437](https://issues.apache.org/jira/browse/HBASE-21437) | Bypassed procedure throw IllegalArgumentException when its state is WAITING\_TIMEOUT | Major | . |
+| [HBASE-21439](https://issues.apache.org/jira/browse/HBASE-21439) | StochasticLoadBalancer RegionLoads arenât being used in RegionLoad cost functions | Major | Balancer |
+| [HBASE-20604](https://issues.apache.org/jira/browse/HBASE-20604) | ProtobufLogReader#readNext can incorrectly loop to the same position in the stream until the the WAL is rolled | Critical | Replication, wal |
+| [HBASE-21247](https://issues.apache.org/jira/browse/HBASE-21247) | Custom Meta WAL Provider doesn't default to custom WAL Provider whose configuration value is outside the enums in Providers | Major | wal |
+| [HBASE-21438](https://issues.apache.org/jira/browse/HBASE-21438) | TestAdmin2#testGetProcedures fails due to FailedProcedure inaccessible | Major | . |
+| [HBASE-21425](https://issues.apache.org/jira/browse/HBASE-21425) | 2.1.1 fails to start over 1.x data; namespace not assigned | Critical | amv2 |
+| [HBASE-21407](https://issues.apache.org/jira/browse/HBASE-21407) | Resolve NPE in backup Master UI | Minor | UI |
+| [HBASE-21424](https://issues.apache.org/jira/browse/HBASE-21424) | Change flakies and nightlies so scheduled less often | Major | build |
+| [HBASE-21417](https://issues.apache.org/jira/browse/HBASE-21417) | Pre commit build is broken due to surefire plugin crashes | Critical | build |
+| [HBASE-21371](https://issues.apache.org/jira/browse/HBASE-21371) | Hbase unable to compile against Hadoop trunk (3.3.0-SNAPSHOT) due to license error | Major | . |
+| [HBASE-21356](https://issues.apache.org/jira/browse/HBASE-21356) | bulkLoadHFile API should ensure that rs has the source hfile's write permission | Major | . |
+| [HBASE-21055](https://issues.apache.org/jira/browse/HBASE-21055) | NullPointerException when balanceOverall() but server balance info is null | Major | Balancer |
+
+
+### TESTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-20136](https://issues.apache.org/jira/browse/HBASE-20136) | TestKeyValue misses ClassRule and Category annotations | Minor | . |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-21401](https://issues.apache.org/jira/browse/HBASE-21401) | Sanity check when constructing the KeyValue | Critical | regionserver |
+| [HBASE-21570](https://issues.apache.org/jira/browse/HBASE-21570) | Add write buffer periodic flush support for AsyncBufferedMutator | Major | asyncclient, Client |
+| [HBASE-21566](https://issues.apache.org/jira/browse/HBASE-21566) | Release notes and changes for 2.0.4RC0 and 2.1.2RC0 | Major | release |
+| [HBASE-21490](https://issues.apache.org/jira/browse/HBASE-21490) | WALProcedure may remove proc wal files still with active procedures | Major | proc-v2 |
+| [HBASE-21377](https://issues.apache.org/jira/browse/HBASE-21377) | Add debug log for procedure stack id related operations | Major | proc-v2 |
+| [HBASE-21473](https://issues.apache.org/jira/browse/HBASE-21473) | RowIndexSeekerV1 may return cell with extra two \\x00\\x00 bytes which has no tags | Major | . |
+| [HBASE-21423](https://issues.apache.org/jira/browse/HBASE-21423) | Procedures for meta table/region should be able to execute in separate workers | Major | . |
+| [HBASE-21376](https://issues.apache.org/jira/browse/HBASE-21376) | Add some verbose log to MasterProcedureScheduler | Major | logging, proc-v2 |
+| [HBASE-21442](https://issues.apache.org/jira/browse/HBASE-21442) | Update branch-2.1 for next development cycle | Major | build |
+| [HBASE-21421](https://issues.apache.org/jira/browse/HBASE-21421) | Do not kill RS if reportOnlineRegions fails | Major | . |
+| [HBASE-21314](https://issues.apache.org/jira/browse/HBASE-21314) | The implementation of BitSetNode is not efficient | Major | proc-v2 |
+| [HBASE-21395](https://issues.apache.org/jira/browse/HBASE-21395) | Abort split/merge procedure if there is a table procedure of the same table going on | Major | . |
+| [HBASE-21351](https://issues.apache.org/jira/browse/HBASE-21351) | The force update thread may have race with PE worker when the procedure is rolling back | Critical | proc-v2 |
+| [HBASE-21237](https://issues.apache.org/jira/browse/HBASE-21237) | Use CompatRemoteProcedureResolver to dispatch open/close region requests to RS | Blocker | . |
+| [HBASE-21322](https://issues.apache.org/jira/browse/HBASE-21322) | Add a scheduleServerCrashProcedure() API to HbckService | Major | hbck2 |
+| [HBASE-21375](https://issues.apache.org/jira/browse/HBASE-21375) | Revisit the lock and queue implementation in MasterProcedureScheduler | Major | proc-v2 |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-18735](https://issues.apache.org/jira/browse/HBASE-18735) | Provide a fast mechanism for shutting down mini cluster | Major | . |
+| [HBASE-21517](https://issues.apache.org/jira/browse/HBASE-21517) | Move the getTableRegionForRow method from HMaster to TestMaster | Major | test |
+
+
+
+## Release 2.1.1 - Released 2018-10-31
+
+### INCOMPATIBLE CHANGES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-21158](https://issues.apache.org/jira/browse/HBASE-21158) | Empty qualifier cell should not be returned if it does not match QualifierFilter | Critical | Filters |
+| [HBASE-21223](https://issues.apache.org/jira/browse/HBASE-21223) | [amv2] Remove abort\_procedure from shell | Critical | amv2, hbck2, shell |
+| [HBASE-20884](https://issues.apache.org/jira/browse/HBASE-20884) | Replace usage of our Base64 implementation with java.util.Base64 | Major | . |
+
+
+### NEW FEATURES:
+
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