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Posted to commits@hbase.apache.org by zh...@apache.org on 2025/02/05 09:06:58 UTC
svn commit: r74713 [2/4] - /dev/hbase/2.6.2RC0/
Added: dev/hbase/2.6.2RC0/CHANGES.md
==============================================================================
--- dev/hbase/2.6.2RC0/CHANGES.md (added)
+++ dev/hbase/2.6.2RC0/CHANGES.md Wed Feb 5 09:06:58 2025
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+
+<!---
+# Licensed to the Apache Software Foundation (ASF) under one
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+# 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
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+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+# limitations under the License.
+-->
+# HBASE Changelog
+
+## Release 2.6.2 - Unreleased (as of 2025-02-05)
+
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-26789](https://issues.apache.org/jira/browse/HBASE-26789) | Automatically add default security headers to http/rest if SSL enabled | Major | REST, UI |
+| [HBASE-28917](https://issues.apache.org/jira/browse/HBASE-28917) | ColumnFamilyMismatchException mixes IA public and private | Major | backup&restore |
+| [HBASE-28940](https://issues.apache.org/jira/browse/HBASE-28940) | Do not run the backwards compatibility tests with the default Hadoop3 version | Major | integration tests, test |
+| [HBASE-28923](https://issues.apache.org/jira/browse/HBASE-28923) | Prioritize "orphan" blocks for eviction inside BucketCache.freespace | Major | . |
+| [HBASE-28621](https://issues.apache.org/jira/browse/HBASE-28621) | PrefixFilter should use SEEK\_NEXT\_USING\_HINT | Major | Filters |
+| [HBASE-28921](https://issues.apache.org/jira/browse/HBASE-28921) | Avoid bundling hbase-webapps folder in default jars | Major | security, UI |
+| [HBASE-28070](https://issues.apache.org/jira/browse/HBASE-28070) | Replace javax.servlet.jsp dependency with tomcat-jasper | Major | security, UI |
+| [HBASE-28972](https://issues.apache.org/jira/browse/HBASE-28972) | Limit the number of retries in FanOutOneBlockAsyncDFSOutputHelper.completeFile | Major | Filesystem Integration, io, wal |
+| [HBASE-27638](https://issues.apache.org/jira/browse/HBASE-27638) | Get slow/large log response that matched the âCLIENT\_IP' without client port | Major | . |
+| [HBASE-28268](https://issues.apache.org/jira/browse/HBASE-28268) | Provide option to skip wal while using TableOutputFormat | Minor | mapreduce |
+| [HBASE-28963](https://issues.apache.org/jira/browse/HBASE-28963) | Updating Quota Factors is too expensive | Major | . |
+| [HBASE-28965](https://issues.apache.org/jira/browse/HBASE-28965) | Make the approach in HBASE-28955 can work together with hadoop 2.x | Major | Filesystem Integration, hadoop2, io |
+| [HBASE-28328](https://issues.apache.org/jira/browse/HBASE-28328) | Add an option to count different types of Delete Markers in RowCounter | Minor | mapreduce |
+| [HBASE-28525](https://issues.apache.org/jira/browse/HBASE-28525) | Extend REST Documentation: Stateless Scanner, table exists, multiget with filter | Major | documentation, REST |
+| [HBASE-28959](https://issues.apache.org/jira/browse/HBASE-28959) | Output fsreadtime in SlowLogPayLoad to hbase:slowlog | Minor | . |
+| [HBASE-29009](https://issues.apache.org/jira/browse/HBASE-29009) | Depend on jaxws-rt instead jaxws-ri | Major | REST |
+| [HBASE-29013](https://issues.apache.org/jira/browse/HBASE-29013) | Make PerformanceEvaluation support larger data sets | Minor | PE |
+| [HBASE-29008](https://issues.apache.org/jira/browse/HBASE-29008) | Upgrade JAX-WS to to 2.3.7 | Major | REST |
+| [HBASE-29040](https://issues.apache.org/jira/browse/HBASE-29040) | Fix incorrect description of "sampleRate" option of PerformanceEvaluation | Trivial | . |
+| [HBASE-28600](https://issues.apache.org/jira/browse/HBASE-28600) | Enable setting blockcache on-heap sizes in bytes | Major | regionserver |
+| [HBASE-29004](https://issues.apache.org/jira/browse/HBASE-29004) | Optimize unnecessary type castings in Scan and Get setter methods | Major | Performance |
+| [HBASE-27659](https://issues.apache.org/jira/browse/HBASE-27659) | Incremental backups should re-use splits from last full backup | Major | . |
+| [HBASE-29068](https://issues.apache.org/jira/browse/HBASE-29068) | Report percentFilesLocalPrimaryRegions metric | Minor | metrics, read replicas |
+| [HBASE-29071](https://issues.apache.org/jira/browse/HBASE-29071) | StochasticLoadBalancer candidate generators should use a Map, rather than ordinal based indexing | Major | . |
+| [HBASE-29099](https://issues.apache.org/jira/browse/HBASE-29099) | Avoid expensive BlockCacheKey.toString() calls when tracing is disabled | Major | Performance |
+| [HBASE-29047](https://issues.apache.org/jira/browse/HBASE-29047) | Remove redundant methods in TestMasterObserver | Minor | . |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-28865](https://issues.apache.org/jira/browse/HBASE-28865) | Implement proper string builder for MoveRegionRequest in ProtobufUtil.getShortTextFormat | Major | logging |
+| [HBASE-28876](https://issues.apache.org/jira/browse/HBASE-28876) | Should call ProcedureSchduler.completionCleanup for non-root procedure too | Major | proc-v2 |
+| [HBASE-28894](https://issues.apache.org/jira/browse/HBASE-28894) | NPE on TestPrefetch.testPrefetchWithDelay | Major | . |
+| [HBASE-28900](https://issues.apache.org/jira/browse/HBASE-28900) | Avoid resetting bucket cache during restart if inconsistency is observed for some blocks. | Major | BucketCache |
+| [HBASE-28928](https://issues.apache.org/jira/browse/HBASE-28928) | Handle NPE in Split/Merge table when getMasterQuotaManager returns null | Major | proc-v2 |
+| [HBASE-28948](https://issues.apache.org/jira/browse/HBASE-28948) | RegionMover tool fails when table is deleted | Major | . |
+| [HBASE-28954](https://issues.apache.org/jira/browse/HBASE-28954) | Apply workaround for HADOOP-19164 for Hadoop 3.4.1 | Major | jenkins, test |
+| [HBASE-28946](https://issues.apache.org/jira/browse/HBASE-28946) | Update nightlies to run with HADOOP2\_VERSION = 2.10.2 | Major | hadoop2 |
+| [HBASE-28953](https://issues.apache.org/jira/browse/HBASE-28953) | Prefetch thread shouldn't run for master store | Minor | . |
+| [HBASE-28976](https://issues.apache.org/jira/browse/HBASE-28976) | Fix UT flakeyness in TestBucketCache.testBlockAdditionWaitWhenCache and TestVerifyBucketCacheFile.testRetrieveFromFile | Major | . |
+| [HBASE-28634](https://issues.apache.org/jira/browse/HBASE-28634) | There is a possibility that data cannot be obtained during reverse fuzzy query. | Major | Filters |
+| [HBASE-29000](https://issues.apache.org/jira/browse/HBASE-29000) | SLF4j logging backend incorrectly picked up from Hadoop when external Hadoop is specified | Major | logging, scripts |
+| [HBASE-28882](https://issues.apache.org/jira/browse/HBASE-28882) | Backup restores are broken if the backup has moved locations | Major | backup&restore |
+| [HBASE-29005](https://issues.apache.org/jira/browse/HBASE-29005) | Cannot split hbase:quota table when quota enforcement is enabled | Major | master, Quotas |
+| [HBASE-28931](https://issues.apache.org/jira/browse/HBASE-28931) | Poll SSL cert file for changes | Major | . |
+| [HBASE-29021](https://issues.apache.org/jira/browse/HBASE-29021) | When StoreFileTracker is FILE, unable to recognize StoreFileListFile after upgrade from 2.5 to 2.6 | Critical | HFile, regionserver |
+| [HBASE-28956](https://issues.apache.org/jira/browse/HBASE-28956) | RSMobFileCleanerChore may close the StoreFileReader object which is being used by Compaction thread | Major | Compaction, mob |
+| [HBASE-28970](https://issues.apache.org/jira/browse/HBASE-28970) | Get asyncfs working with custom SASL mechanisms | Major | Filesystem Integration, hadoop3 |
+| [HBASE-29046](https://issues.apache.org/jira/browse/HBASE-29046) | Log message is not correct when the Master bind address configured wrongly | Major | . |
+| [HBASE-28023](https://issues.apache.org/jira/browse/HBASE-28023) | ITBLL's RollingBatchSuspendResumeRsAction runs the "suspendRs" method to perform the action, but it inadvertently uses the "waitForRegionServerToStop" method to check if it was executed successfully. | Major | . |
+| [HBASE-29070](https://issues.apache.org/jira/browse/HBASE-29070) | Balancer cost function epsilon is imprecise | Major | . |
+| [HBASE-28897](https://issues.apache.org/jira/browse/HBASE-28897) | Force CF compatibility during incremental backup | Major | backup&restore |
+| [HBASE-29072](https://issues.apache.org/jira/browse/HBASE-29072) | StochasticLoadBalancer#areReplicasColocated ignores rack colocation | Major | . |
+| [HBASE-29073](https://issues.apache.org/jira/browse/HBASE-29073) | StochasticLoadBalancer will always run the balancer on startup because of uninitialized sumMultiplier | Major | . |
+| [HBASE-29088](https://issues.apache.org/jira/browse/HBASE-29088) | The denominator cannot be 0 when calculating percentages in SnapshotStats | Major | . |
+| [HBASE-29089](https://issues.apache.org/jira/browse/HBASE-29089) | Remove optional flag from spymemcached dependency | Minor | BlockCache |
+| [HBASE-29041](https://issues.apache.org/jira/browse/HBASE-29041) | Set UncaughtException Handler for RegionServer ExecutorService | Minor | regionserver |
+| [HBASE-29111](https://issues.apache.org/jira/browse/HBASE-29111) | Data loss in table cloned from a snapshot | Major | dataloss, snapshots |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-28906](https://issues.apache.org/jira/browse/HBASE-28906) | Run nightly tests with multiple Hadoop 3 versions | Major | integration tests, test |
+| [HBASE-28638](https://issues.apache.org/jira/browse/HBASE-28638) | Fail-fast retry limit for specific errors to recover from remote procedure failure using server crash | Major | amv2, master, Region Assignment |
+| [HBASE-28980](https://issues.apache.org/jira/browse/HBASE-28980) | Change the default Hadoop 3 version to 3.4.1 on branch-2.5 and branch-2.6 | Major | hadoop3 |
+| [HBASE-29050](https://issues.apache.org/jira/browse/HBASE-29050) | Use node under 'hbase' label to run client integration tests | Major | . |
+| [HBASE-29067](https://issues.apache.org/jira/browse/HBASE-29067) | Stagger the nightly tests on jenkins | Major | jenkins, scripts |
+| [HBASE-29049](https://issues.apache.org/jira/browse/HBASE-29049) | Increase the interval for running flaky tests | Major | jenkins, scripts |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-28922](https://issues.apache.org/jira/browse/HBASE-28922) | Bump commons-io:commons-io from 2.11.0 to 2.14.0 | Major | dependabot, dependencies, security |
+| [HBASE-28898](https://issues.apache.org/jira/browse/HBASE-28898) | Use reflection to access recoverLease(), setSafeMode() APIs. | Major | Filesystem Integration |
+| [HBASE-28942](https://issues.apache.org/jira/browse/HBASE-28942) | Purge all netty 3 dependencies by default | Major | dependencies, security |
+| [HBASE-28943](https://issues.apache.org/jira/browse/HBASE-28943) | Remove all jackson 1.x dependencies for hadoop-3 profile, since all jackson 1.x versions have vulnerabilities | Major | hadoop3, security |
+| [HBASE-28949](https://issues.apache.org/jira/browse/HBASE-28949) | Remove the netty 3 dependency management section | Major | dependencies |
+| [HBASE-28767](https://issues.apache.org/jira/browse/HBASE-28767) | Simplify backup bulk-loading code | Minor | backup&restore |
+| [HBASE-29043](https://issues.apache.org/jira/browse/HBASE-29043) | Bump jinja2 from 3.1.4 to 3.1.5 in /dev-support/flaky-tests | Major | dependabot, scripts, security |
+| [HBASE-29036](https://issues.apache.org/jira/browse/HBASE-29036) | Backport missing UI patches to branch-2.6 | Major | UI |
+| [HBASE-29056](https://issues.apache.org/jira/browse/HBASE-29056) | Bump commons-io:commons-io from 2.14.0 to 2.18.0 | Major | dependencies |
+| [HBASE-29086](https://issues.apache.org/jira/browse/HBASE-29086) | Bump hbase-thirdparty to 4.1.10 | Major | dependencies |
+| [HBASE-29096](https://issues.apache.org/jira/browse/HBASE-29096) | Bump netty4 to 4.1.116.Final | Major | dependencies |
+
+
+## Release 2.6.1 - Unreleased (as of 2024-10-09)
+
+
+
+### NEW FEATURES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-28645](https://issues.apache.org/jira/browse/HBASE-28645) | Add build information to the REST server version endpoint | Minor | REST |
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-28523](https://issues.apache.org/jira/browse/HBASE-28523) | Use a single get call in REST multiget endpoint | Major | REST |
+| [HBASE-28556](https://issues.apache.org/jira/browse/HBASE-28556) | Reduce memory copying in Rest server when serializing CellModel to Protobuf | Minor | REST |
+| [HBASE-28563](https://issues.apache.org/jira/browse/HBASE-28563) | Closing ZooKeeper in ZKMainServer | Minor | Zookeeper |
+| [HBASE-27938](https://issues.apache.org/jira/browse/HBASE-27938) | Enable PE to load any custom implementation of tests at runtime | Minor | test |
+| [HBASE-25972](https://issues.apache.org/jira/browse/HBASE-25972) | Dual File Compaction | Major | . |
+| [HBASE-28501](https://issues.apache.org/jira/browse/HBASE-28501) | Support non-SPNEGO authentication methods and implement session handling in REST java client library | Major | REST |
+| [HBASE-26525](https://issues.apache.org/jira/browse/HBASE-26525) | Use unique thread name for group WALs | Major | wal |
+| [HBASE-28613](https://issues.apache.org/jira/browse/HBASE-28613) | Use streaming when marshalling protobuf REST output | Major | REST |
+| [HBASE-28614](https://issues.apache.org/jira/browse/HBASE-28614) | Introduce a field to display whether the snapshot is expired | Minor | shell, snapshots, UI |
+| [HBASE-28625](https://issues.apache.org/jira/browse/HBASE-28625) | ExportSnapshot should verify checksums for the source file and the target file | Major | . |
+| [HBASE-28540](https://issues.apache.org/jira/browse/HBASE-28540) | Cache Results in org.apache.hadoop.hbase.rest.client.RemoteHTable.Scanner | Minor | REST |
+| [HBASE-28636](https://issues.apache.org/jira/browse/HBASE-28636) | Add UTs for testing copy/sync table between clusters | Major | mapreduce, test |
+| [HBASE-28651](https://issues.apache.org/jira/browse/HBASE-28651) | Reformat the javadoc for CellChunkMap | Major | documentation, regionserver |
+| [HBASE-28646](https://issues.apache.org/jira/browse/HBASE-28646) | Use Streams to unmarshall protobuf REST data | Major | REST |
+| [HBASE-28671](https://issues.apache.org/jira/browse/HBASE-28671) | Add close method to REST client | Major | REST |
+| [HBASE-28656](https://issues.apache.org/jira/browse/HBASE-28656) | Optimize the verifyCopyResult logic in ExportSnapshot | Critical | . |
+| [HBASE-28687](https://issues.apache.org/jira/browse/HBASE-28687) | BackupSystemTable#checkSystemTable should ensure that the backup system tables are enabled | Major | backup&restore |
+| [HBASE-28685](https://issues.apache.org/jira/browse/HBASE-28685) | Support non-root context in REST RemoteHTable and RemodeAdmin | Major | REST |
+| [HBASE-28718](https://issues.apache.org/jira/browse/HBASE-28718) | Should support different license name for 'Apache License, Version 2.0' | Major | build, shading |
+| [HBASE-28717](https://issues.apache.org/jira/browse/HBASE-28717) | Support FuzzyRowFilter in REST interface | Major | REST |
+| [HBASE-28672](https://issues.apache.org/jira/browse/HBASE-28672) | Ensure large batches are not indefinitely blocked by quotas | Major | Quotas |
+| [HBASE-28683](https://issues.apache.org/jira/browse/HBASE-28683) | Only allow one TableProcedureInterface for a single table to run at the same time for some special procedure types | Critical | master, proc-v2 |
+| [HBASE-28428](https://issues.apache.org/jira/browse/HBASE-28428) | Zookeeper ConnectionRegistry APIs should have timeout | Major | . |
+| [HBASE-28734](https://issues.apache.org/jira/browse/HBASE-28734) | Improve HBase shell snapshot command Doc with TTL option | Minor | shell |
+| [HBASE-28686](https://issues.apache.org/jira/browse/HBASE-28686) | MapReduceBackupCopyJob should support custom DistCp options | Major | . |
+| [HBASE-28522](https://issues.apache.org/jira/browse/HBASE-28522) | UNASSIGN proc indefinitely stuck on dead rs | Critical | proc-v2, Region Assignment |
+| [HBASE-28732](https://issues.apache.org/jira/browse/HBASE-28732) | Fix typo in Jenkinsfile\_Github for jdk8 hadoop2 check | Major | jenkins |
+| [HBASE-28725](https://issues.apache.org/jira/browse/HBASE-28725) | Use thirdparty protobuf for REST interface in HBase 2.x | Major | REST |
+| [HBASE-28775](https://issues.apache.org/jira/browse/HBASE-28775) | Change the output of DatanodeInfo in the log to the hostname of the datanode | Minor | wal |
+| [HBASE-28850](https://issues.apache.org/jira/browse/HBASE-28850) | Only return from ReplicationSink.replicationEntries while all background tasks are finished | Major | Replication, rpc |
+| [HBASE-27118](https://issues.apache.org/jira/browse/HBASE-27118) | Add security headers to Thrift/HTTP server | Major | Thrift |
+| [HBASE-28816](https://issues.apache.org/jira/browse/HBASE-28816) | The description of "hbase.superuser" is confusing | Major | documentation |
+| [HBASE-27903](https://issues.apache.org/jira/browse/HBASE-27903) | Skip submitting Split/Merge procedure when split/merge is disabled at table level | Minor | Admin |
+| [HBASE-28346](https://issues.apache.org/jira/browse/HBASE-28346) | Expose checkQuota to Coprocessor Endpoints | Major | . |
+| [HBASE-28001](https://issues.apache.org/jira/browse/HBASE-28001) | Add request attribute support to BufferedMutator | Major | . |
+| [HBASE-28770](https://issues.apache.org/jira/browse/HBASE-28770) | Support partial results in AggregateImplementation and AsyncAggregationClient | Major | Client, Coprocessors, Quotas |
+| [HBASE-28905](https://issues.apache.org/jira/browse/HBASE-28905) | Skip excessive evaluations of LINK\_NAME\_PATTERN and REF\_NAME\_PATTERN regular expressions | Minor | . |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-28533](https://issues.apache.org/jira/browse/HBASE-28533) | Split procedure rollback can leave parent region state in SPLITTING after completion | Major | Region Assignment |
+| [HBASE-28567](https://issues.apache.org/jira/browse/HBASE-28567) | Race condition causes MetaRegionLocationCache to never set watcher to populate meta location | Major | . |
+| [HBASE-28459](https://issues.apache.org/jira/browse/HBASE-28459) | HFileOutputFormat2 ClassCastException with s3 magic committer | Major | . |
+| [HBASE-28575](https://issues.apache.org/jira/browse/HBASE-28575) | Always printing error log when snapshot table | Minor | snapshots |
+| [HBASE-28448](https://issues.apache.org/jira/browse/HBASE-28448) | CompressionTest hangs when run over a Ozone ofs path | Major | . |
+| [HBASE-28502](https://issues.apache.org/jira/browse/HBASE-28502) | Backup manifest of full backup contains incomplete table list | Major | backup&restore |
+| [HBASE-28598](https://issues.apache.org/jira/browse/HBASE-28598) | NPE for writer object access in AsyncFSWAL#closeWriter | Major | wal |
+| [HBASE-28604](https://issues.apache.org/jira/browse/HBASE-28604) | Fix the error message in ReservoirSample's constructor | Major | util |
+| [HBASE-28595](https://issues.apache.org/jira/browse/HBASE-28595) | Losing exception from scan RPC can lead to partial results | Critical | regionserver, Scanners |
+| [HBASE-28568](https://issues.apache.org/jira/browse/HBASE-28568) | Incremental backup set does not correctly shrink | Major | backup&restore |
+| [HBASE-28599](https://issues.apache.org/jira/browse/HBASE-28599) | RowTooBigException is thrown when duplicate increment RPC call is attempted | Major | regionserver |
+| [HBASE-27915](https://issues.apache.org/jira/browse/HBASE-27915) | Update hbase\_docker with an extra Dockerfile compatible with mac m1 platfrom | Minor | . |
+| [HBASE-28582](https://issues.apache.org/jira/browse/HBASE-28582) | ModifyTableProcedure should not reset TRSP on region node when closing unused region replicas | Critical | proc-v2 |
+| [HBASE-28626](https://issues.apache.org/jira/browse/HBASE-28626) | MultiRowRangeFilter deserialization fails in org.apache.hadoop.hbase.rest.model.ScannerModel | Major | REST |
+| [HBASE-28628](https://issues.apache.org/jira/browse/HBASE-28628) | Use Base64.getUrlEncoder().withoutPadding() in REST tests | Major | REST |
+| [HBASE-28546](https://issues.apache.org/jira/browse/HBASE-28546) | Make WAL rolling exception clear | Minor | . |
+| [HBASE-28622](https://issues.apache.org/jira/browse/HBASE-28622) | FilterListWithAND can swallow SEEK\_NEXT\_USING\_HINT | Major | Filters |
+| [HBASE-28526](https://issues.apache.org/jira/browse/HBASE-28526) | hbase-rest client shading conflict with hbase-shaded-client in HBase 2.x | Major | REST |
+| [HBASE-28420](https://issues.apache.org/jira/browse/HBASE-28420) | Aborting Active HMaster is not rejecting remote Procedure Reports | Critical | master, proc-v2 |
+| [HBASE-28618](https://issues.apache.org/jira/browse/HBASE-28618) | The hadolint check in nightly build is broken | Major | scripts |
+| [HBASE-28562](https://issues.apache.org/jira/browse/HBASE-28562) | Correct backup ancestor calculation | Major | backup&restore |
+| [HBASE-28619](https://issues.apache.org/jira/browse/HBASE-28619) | Fix the inaccurate message when snapshot doesn't exist | Minor | snapshots |
+| [HBASE-28539](https://issues.apache.org/jira/browse/HBASE-28539) | Merge of incremental backups fails if backups are on a separate FileSystem | Major | backup&restore |
+| [HBASE-28549](https://issues.apache.org/jira/browse/HBASE-28549) | Make shell commands support column qualifiers with colons | Major | shell |
+| [HBASE-28649](https://issues.apache.org/jira/browse/HBASE-28649) | Wrong properties are used to set up SSL for REST Client Kerberos authenticator | Major | REST |
+| [HBASE-28666](https://issues.apache.org/jira/browse/HBASE-28666) | Dropping unclosed WALTailingReaders leads to leaked sockets | Minor | Replication, wal |
+| [HBASE-28650](https://issues.apache.org/jira/browse/HBASE-28650) | REST multiget endpoint returns 500 error if no rows are specified | Minor | REST |
+| [HBASE-28662](https://issues.apache.org/jira/browse/HBASE-28662) | Removing missing scanner via REST should return 404 | Minor | REST |
+| [HBASE-28663](https://issues.apache.org/jira/browse/HBASE-28663) | CanaryTool continues executing and scanning after timeout | Minor | canary |
+| [HBASE-28680](https://issues.apache.org/jira/browse/HBASE-28680) | BackupLogCleaner causes HMaster WALs to pile up indefinitely | Major | backup&restore, master |
+| [HBASE-28658](https://issues.apache.org/jira/browse/HBASE-28658) | The failsafe snapshot should be deleted after rollback successfully | Major | Client, snapshots |
+| [HBASE-28688](https://issues.apache.org/jira/browse/HBASE-28688) | Correct the usage for blanks ignore options in yetus | Major | build, jenkins |
+| [HBASE-28703](https://issues.apache.org/jira/browse/HBASE-28703) | Data race in RecoveredEditsOutputSink while closing writers | Critical | wal |
+| [HBASE-28714](https://issues.apache.org/jira/browse/HBASE-28714) | Hadoop check for hadoop 3.4.0 is failing | Critical | dependencies, hadoop3 |
+| [HBASE-28364](https://issues.apache.org/jira/browse/HBASE-28364) | Warn: Cache key had block type null, but was found in L1 cache | Major | . |
+| [HBASE-28665](https://issues.apache.org/jira/browse/HBASE-28665) | WALs not marked closed when there are errors in closing WALs | Minor | wal |
+| [HBASE-28727](https://issues.apache.org/jira/browse/HBASE-28727) | SteppingSplitPolicy may not work when table enables region replication | Minor | . |
+| [HBASE-28740](https://issues.apache.org/jira/browse/HBASE-28740) | Need to call parent class's serialization methods in CloseExcessRegionReplicasProcedure | Blocker | proc-v2 |
+| [HBASE-28704](https://issues.apache.org/jira/browse/HBASE-28704) | The expired snapshot can be read by CopyTable or ExportSnapshot | Major | mapreduce, snapshots |
+| [HBASE-28702](https://issues.apache.org/jira/browse/HBASE-28702) | TestBackupMerge fails 100% of times on flaky dashboard | Critical | backup&restore |
+| [HBASE-28724](https://issues.apache.org/jira/browse/HBASE-28724) | BucketCache.notifyFileCachingCompleted may throw IllegalMonitorStateException | Major | . |
+| [HBASE-28743](https://issues.apache.org/jira/browse/HBASE-28743) | Snapshot based mapreduce jobs fails with NPE while trying to close mslab within mapper | Major | snapshots |
+| [HBASE-28716](https://issues.apache.org/jira/browse/HBASE-28716) | Users of QuotaRetriever should pass an existing connection | Minor | Admin |
+| [HBASE-28655](https://issues.apache.org/jira/browse/HBASE-28655) | TestHFileCompressionZstd fails with IllegalArgumentException: Illegal bufferSize | Major | HFile, Operability |
+| [HBASE-28756](https://issues.apache.org/jira/browse/HBASE-28756) | RegionSizeCalculator ignored the size of memstore, which leads Spark miss data | Major | mapreduce |
+| [HBASE-28742](https://issues.apache.org/jira/browse/HBASE-28742) | CompactionTool fails with NPE when mslab is enabled | Major | Compaction |
+| [HBASE-28748](https://issues.apache.org/jira/browse/HBASE-28748) | Replication blocking: InvalidProtocolBufferException$InvalidWireTypeException: Protocol message tag had invalid wire type. | Critical | Replication, wal |
+| [HBASE-28722](https://issues.apache.org/jira/browse/HBASE-28722) | Should wipe out all the output directories before unstash in nightly job | Major | jenkins, scripts |
+| [HBASE-28753](https://issues.apache.org/jira/browse/HBASE-28753) | FNFE may occur when accessing the region.jsp of the replica region | Major | Replication, UI |
+| [HBASE-28389](https://issues.apache.org/jira/browse/HBASE-28389) | HBase backup yarn queue parameter ignored | Major | backup&restore |
+| [HBASE-28760](https://issues.apache.org/jira/browse/HBASE-28760) | Exclude pom file of jaxws-ri in output tarball | Major | jenkins, scripts |
+| [HBASE-28786](https://issues.apache.org/jira/browse/HBASE-28786) | Fix classname for command: copyreppeers in bin/hbase | Minor | Replication, scripts, tooling |
+| [HBASE-28777](https://issues.apache.org/jira/browse/HBASE-28777) | mTLS client hostname verification doesn't work with OptionalSslHandler | Major | rpc |
+| [HBASE-28690](https://issues.apache.org/jira/browse/HBASE-28690) | Aborting Active HMaster is not rejecting reportRegionStateTransition if procedure is initialised by next Active master | Major | proc-v2 |
+| [HBASE-28802](https://issues.apache.org/jira/browse/HBASE-28802) | Log the IP when hbase.server.useip.enabled is set to true | Minor | regionserver |
+| [HBASE-28643](https://issues.apache.org/jira/browse/HBASE-28643) | An unbounded backup failure message can cause an irrecoverable state for the given backup | Major | . |
+| [HBASE-28697](https://issues.apache.org/jira/browse/HBASE-28697) | Don't clean bulk load system entries until backup is complete | Major | . |
+| [HBASE-28792](https://issues.apache.org/jira/browse/HBASE-28792) | AsyncTableImpl should call coprocessor callbacks in a defined order | Major | Client |
+| [HBASE-28669](https://issues.apache.org/jira/browse/HBASE-28669) | After one RegionServer restarts, another RegionServer leaks a connection to ZooKeeper | Minor | Replication |
+| [HBASE-28778](https://issues.apache.org/jira/browse/HBASE-28778) | NPE may occur when opening master-status or table.jsp or procedure.jsp while Master is initializing | Major | UI |
+| [HBASE-28810](https://issues.apache.org/jira/browse/HBASE-28810) | Improve BackupLogCleaner naming, debug logging | Major | backup&restore |
+| [HBASE-28696](https://issues.apache.org/jira/browse/HBASE-28696) | Partition BackupSystemTable queries | Major | . |
+| [HBASE-28867](https://issues.apache.org/jira/browse/HBASE-28867) | Backport "HBASE-20653 Add missing observer hooks for region server group to MasterObserver" to branch-2 | Major | rsgroup |
+| [HBASE-28705](https://issues.apache.org/jira/browse/HBASE-28705) | BackupLogCleaner cleans required WALs when using multiple backuproots | Blocker | backup&restore |
+| [HBASE-28187](https://issues.apache.org/jira/browse/HBASE-28187) | NPE when flushing a non-existing column family | Major | Client, regionserver |
+| [HBASE-28803](https://issues.apache.org/jira/browse/HBASE-28803) | HBase Master stuck due to improper handling of WALSyncTimeoutException within UncheckedIOException | Critical | master, wal |
+| [HBASE-28890](https://issues.apache.org/jira/browse/HBASE-28890) | RefCnt Leak error when caching index blocks at write time | Major | . |
+| [HBASE-28396](https://issues.apache.org/jira/browse/HBASE-28396) | Quota throttling can cause a leak of scanners | Major | . |
+| [HBASE-28842](https://issues.apache.org/jira/browse/HBASE-28842) | TestRequestAttributes should fail when expected | Major | . |
+| [HBASE-28721](https://issues.apache.org/jira/browse/HBASE-28721) | AsyncFSWAL is broken when running against hadoop 3.4.0 | Major | hadoop3, wal |
+
+
+### SUB-TASKS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-28586](https://issues.apache.org/jira/browse/HBASE-28586) | Backport HBASE-24791 Improve HFileOutputFormat2 to avoid always call getTableRelativePath method | Major | . |
+| [HBASE-26048](https://issues.apache.org/jira/browse/HBASE-26048) | [JDK17] Replace the usage of deprecated API ThreadGroup.destroy() | Major | proc-v2 |
+| [HBASE-28049](https://issues.apache.org/jira/browse/HBASE-28049) | RSProcedureDispatcher to log the request details during retries | Minor | . |
+| [HBASE-28652](https://issues.apache.org/jira/browse/HBASE-28652) | Backport HBASE-21785 master reports open regions as RITs and also messes up rit age metric | Major | . |
+| [HBASE-28657](https://issues.apache.org/jira/browse/HBASE-28657) | Backport HBASE-28246 Expose region cached size over JMX metrics and report in the RS UI | Major | . |
+| [HBASE-28679](https://issues.apache.org/jira/browse/HBASE-28679) | Upgrade yetus to a newer version | Major | build, jenkins |
+| [HBASE-28677](https://issues.apache.org/jira/browse/HBASE-28677) | Add jdk 17 task for pre commit build for 2.x | Major | build, jenkins |
+| [HBASE-28693](https://issues.apache.org/jira/browse/HBASE-28693) | Change flaky tests to run with jdk17 | Major | flakies, jenkins |
+| [HBASE-28678](https://issues.apache.org/jira/browse/HBASE-28678) | Make nightly builds for 3.x java 17 only and add java 17 test for 2.x | Major | build, jenkins |
+| [HBASE-28694](https://issues.apache.org/jira/browse/HBASE-28694) | Make client integration and packaging test work with java 17 | Major | jenkins, scripts |
+| [HBASE-28723](https://issues.apache.org/jira/browse/HBASE-28723) | [JDK17] TestSecureIPC fails under JDK17 | Major | java, test |
+| [HBASE-28737](https://issues.apache.org/jira/browse/HBASE-28737) | Add the slack channel related information in README.md | Major | documentation |
+| [HBASE-28745](https://issues.apache.org/jira/browse/HBASE-28745) | Default Zookeeper ConnectionRegistry APIs timeout should be less | Minor | . |
+
+
+### OTHER:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-28574](https://issues.apache.org/jira/browse/HBASE-28574) | Bump jinja2 from 3.1.3 to 3.1.4 in /dev-support/flaky-tests | Major | dependabot, scripts, security |
+| [HBASE-28607](https://issues.apache.org/jira/browse/HBASE-28607) | Bump requests from 2.31.0 to 2.32.0 in /dev-support/flaky-tests | Major | dependabot, scripts, security |
+| [HBASE-28605](https://issues.apache.org/jira/browse/HBASE-28605) | Add ErrorProne ban on Hadoop shaded thirdparty jars | Major | build |
+| [HBASE-28616](https://issues.apache.org/jira/browse/HBASE-28616) | Remove/Deprecated the rs.\* related configuration in TableOutputFormat | Major | mapreduce |
+| [HBASE-28635](https://issues.apache.org/jira/browse/HBASE-28635) | Bump io.airlift:aircompressor from 0.24 to 0.27 | Major | dependabot, dependencies, security |
+| [HBASE-28661](https://issues.apache.org/jira/browse/HBASE-28661) | Fix compatibility issue in SecurityHeadersFilter in branch-2.x | Major | . |
+| [HBASE-28699](https://issues.apache.org/jira/browse/HBASE-28699) | Bump jdk and maven versions in pre commit and nighly dockerfile | Major | jenkins, scripts |
+| [HBASE-28698](https://issues.apache.org/jira/browse/HBASE-28698) | Add hadoop 3.4.0 in hadoop check | Major | jenkins, scripts |
+| [HBASE-28707](https://issues.apache.org/jira/browse/HBASE-28707) | Backport the code changes in HBASE-28675 to branch-2.x | Major | . |
+| [HBASE-28784](https://issues.apache.org/jira/browse/HBASE-28784) | Exclude samples and release-documentation zip of jaxws-ri from output tarball | Major | . |
+| [HBASE-28793](https://issues.apache.org/jira/browse/HBASE-28793) | Update hbase-thirdparty to 4.1.8 | Major | dependencies |
+| [HBASE-28805](https://issues.apache.org/jira/browse/HBASE-28805) | Implement chunked persistence of backing map for persistent bucket cache. | Major | BucketCache |
+| [HBASE-28731](https://issues.apache.org/jira/browse/HBASE-28731) | Remove the IA.Private annotation on WALEdit's add methods as they have already been used by CP users | Major | Coprocessors, wal |
+| [HBASE-28868](https://issues.apache.org/jira/browse/HBASE-28868) | Add missing permission check for updateRSGroupConfig in branch-2 | Minor | rsgroup |
+| [HBASE-28642](https://issues.apache.org/jira/browse/HBASE-28642) | Hide old PR comments when posting new | Major | build, community |
+| [HBASE-28879](https://issues.apache.org/jira/browse/HBASE-28879) | Bump hbase-thirdparty to 4.1.9 | Major | dependencies, thirdparty |
+| [HBASE-28895](https://issues.apache.org/jira/browse/HBASE-28895) | Bump Avro dependency version to 1.11.4 | Major | . |
+
+
+## Release 2.6.0 - Unreleased (as of 2024-04-29)
+
+
+
+### NEW FEATURES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-26323](https://issues.apache.org/jira/browse/HBASE-26323) | Introduce a SnapshotProcedure | Major | proc-v2, snapshots |
+| [HBASE-26666](https://issues.apache.org/jira/browse/HBASE-26666) | Add native TLS encryption support to RPC server/client | Major | encryption, security |
+| [HBASE-27264](https://issues.apache.org/jira/browse/HBASE-27264) | Add options to consider compressed size when delimiting blocks during hfile writes | Major | . |
+| [HBASE-20904](https://issues.apache.org/jira/browse/HBASE-20904) | Prometheus metrics http endpoint for monitoring integration | Major | metrics, monitoring |
+| [HBASE-27304](https://issues.apache.org/jira/browse/HBASE-27304) | Support using IP to expose master/rs servers for some special scenarios | Minor | master, regionserver |
+| [HBASE-27314](https://issues.apache.org/jira/browse/HBASE-27314) | Make index block be customized and configured | Major | . |
+| [HBASE-26809](https://issues.apache.org/jira/browse/HBASE-26809) | Report client backoff time for server overloaded in ConnectionMetrics | Major | . |
+| [HBASE-27444](https://issues.apache.org/jira/browse/HBASE-27444) | Add tool commands list\_enabled\_tables and list\_disabled\_tables | Minor | master |
+| [HBASE-27347](https://issues.apache.org/jira/browse/HBASE-27347) | Port FileWatcher from ZK to autodetect keystore/truststore changes in TLS connections | Major | IPC/RPC, security |
+| [HBASE-27238](https://issues.apache.org/jira/browse/HBASE-27238) | Backport Backup/Restore to 2.x | Major | backport, backup&restore |
+| [HBASE-26913](https://issues.apache.org/jira/browse/HBASE-26913) | Replication Observability Framework | Major | regionserver, Replication |
+| [HBASE-27110](https://issues.apache.org/jira/browse/HBASE-27110) | Move replication peer storage from zookeeper to other storage systems | Major | Replication |
+| [HBASE-27904](https://issues.apache.org/jira/browse/HBASE-27904) | A random data generator tool leveraging bulk load. | Major | util |
+| [HBASE-26867](https://issues.apache.org/jira/browse/HBASE-26867) | Introduce a FlushProcedure | Minor | proc-v2 |
+| [HBASE-28168](https://issues.apache.org/jira/browse/HBASE-28168) | Add option in RegionMover.java to isolate one or more regions on the RegionSever | Minor | . |
+| [HBASE-28064](https://issues.apache.org/jira/browse/HBASE-28064) | Implement truncate\_region command to truncate region directly from FS | Major | Admin, shell |
+| [HBASE-27784](https://issues.apache.org/jira/browse/HBASE-27784) | support quota user overrides | Major | . |
+| [HBASE-28216](https://issues.apache.org/jira/browse/HBASE-28216) | HDFS erasure coding support for table data dirs | Major | . |
+| [HBASE-27657](https://issues.apache.org/jira/browse/HBASE-27657) | Connection and Request Attributes | Major | . |
+| [HBASE-26192](https://issues.apache.org/jira/browse/HBASE-26192) | Master UI hbck should provide a JSON formatted output option | Minor | . |
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-26554](https://issues.apache.org/jira/browse/HBASE-26554) | Introduce a new parameter in jmx servlet to exclude the specific mbean | Minor | metrics |
+| [HBASE-26943](https://issues.apache.org/jira/browse/HBASE-26943) | HMaster page style display confusion | Minor | master |
+| [HBASE-26983](https://issues.apache.org/jira/browse/HBASE-26983) | Upgrade JRuby to 9.3.4.0 | Major | shell |
+| [HBASE-27232](https://issues.apache.org/jira/browse/HBASE-27232) | Fix checking for encoded block size when deciding if block should be closed | Major | . |
+| [HBASE-27185](https://issues.apache.org/jira/browse/HBASE-27185) | Rewrite NettyRpcServer to decode rpc request with netty handler | Major | netty, rpc |
+| [HBASE-27144](https://issues.apache.org/jira/browse/HBASE-27144) | Add special rpc handlers for bulkload operations | Minor | regionserver, rpc |
+| [HBASE-27278](https://issues.apache.org/jira/browse/HBASE-27278) | Improve TestTlsIPC to reuse existing IPC test code | Major | IPC/RPC, test |
+| [HBASE-27279](https://issues.apache.org/jira/browse/HBASE-27279) | Make SslHandler work with SaslWrapHandler/SaslUnwrapHandler | Major | IPC/RPC, security |
+| [HBASE-27320](https://issues.apache.org/jira/browse/HBASE-27320) | hide some sensitive configuration information in the UI | Minor | security, UI |
+| [HBASE-27338](https://issues.apache.org/jira/browse/HBASE-27338) | brotli compression lib tests fail on arm64 | Minor | . |
+| [HBASE-27342](https://issues.apache.org/jira/browse/HBASE-27342) | Use Hadoop Credentials API to retrieve passwords of TLS key/trust stores | Major | IPC/RPC, security |
+| [HBASE-27332](https://issues.apache.org/jira/browse/HBASE-27332) | Remove RejectedExecutionHandler for long/short compaction thread pools | Minor | Compaction |
+| [HBASE-27340](https://issues.apache.org/jira/browse/HBASE-27340) | Artifacts with resolved profiles | Minor | build, pom |
+| [HBASE-27224](https://issues.apache.org/jira/browse/HBASE-27224) | HFile tool statistic sampling produces misleading results | Major | . |
+| [HBASE-27346](https://issues.apache.org/jira/browse/HBASE-27346) | Autodetect key/truststore file type from file extension | Major | security |
+| [HBASE-27361](https://issues.apache.org/jira/browse/HBASE-27361) | Add .flattened-pom.xml to .gitignore | Major | build |
+| [HBASE-27370](https://issues.apache.org/jira/browse/HBASE-27370) | Avoid decompressing blocks when reading from bucket cache prefetch threads | Major | . |
+| [HBASE-27280](https://issues.apache.org/jira/browse/HBASE-27280) | Add mutual authentication support to TLS | Major | . |
+| [HBASE-27391](https://issues.apache.org/jira/browse/HBASE-27391) | Downgrade ERROR log to DEBUG in ConnectionUtils.updateStats | Major | . |
+| [HBASE-27365](https://issues.apache.org/jira/browse/HBASE-27365) | Minimise block addition failures due to no space in bucket cache writers queue by introducing wait time | Major | BucketCache |
+| [HBASE-27395](https://issues.apache.org/jira/browse/HBASE-27395) | Adding description to Prometheus metrics | Minor | metrics |
+| [HBASE-27339](https://issues.apache.org/jira/browse/HBASE-27339) | Improve sasl connection failure log message to include server | Minor | Client |
+| [HBASE-27159](https://issues.apache.org/jira/browse/HBASE-27159) | Emit source metrics for BlockCacheExpressHitPercent | Minor | BlockCache, metrics |
+| [HBASE-27406](https://issues.apache.org/jira/browse/HBASE-27406) | Make "/prometheus" endpoint accessible from HBase UI | Minor | UI |
+| [HBASE-27363](https://issues.apache.org/jira/browse/HBASE-27363) | Fix the config key name for PREFETCH\_PERSISTENCE\_PATH\_KEY | Trivial | BucketCache |
+| [HBASE-27434](https://issues.apache.org/jira/browse/HBASE-27434) | Use $revision as placeholder for maven version to make it easier to control the version from command line | Major | build, pom |
+| [HBASE-27167](https://issues.apache.org/jira/browse/HBASE-27167) | s390x: Skip tests on unsupported compression libs | Major | build, pom |
+| [HBASE-27450](https://issues.apache.org/jira/browse/HBASE-27450) | Update all our python scripts to use python3 | Major | scripts |
+| [HBASE-27448](https://issues.apache.org/jira/browse/HBASE-27448) | Add an admin method to get replication enabled state | Major | Admin, Client |
+| [HBASE-27414](https://issues.apache.org/jira/browse/HBASE-27414) | Search order for locations in HFileLink | Minor | Performance |
+| [HBASE-27495](https://issues.apache.org/jira/browse/HBASE-27495) | Improve HFileLinkCleaner to validate back reference links ahead the next traverse | Major | master |
+| [HBASE-27408](https://issues.apache.org/jira/browse/HBASE-27408) | Improve BucketAllocatorException log to always include HFile name | Major | . |
+| [HBASE-27496](https://issues.apache.org/jira/browse/HBASE-27496) | Optionally limit the amount of plans executed in the Normalizer | Minor | Normalizer |
+| [HBASE-27506](https://issues.apache.org/jira/browse/HBASE-27506) | Optionally disable sorting directories by size in CleanerChore | Minor | . |
+| [HBASE-27503](https://issues.apache.org/jira/browse/HBASE-27503) | Support replace \<FILE-PATH\> in GC\_OPTS for ZGC | Minor | scripts |
+| [HBASE-27512](https://issues.apache.org/jira/browse/HBASE-27512) | Add file \`.git-blame-ignore-revs\` for \`git blame\` | Trivial | . |
+| [HBASE-27487](https://issues.apache.org/jira/browse/HBASE-27487) | Slow meta can create pathological feedback loop with multigets | Major | . |
+| [HBASE-27466](https://issues.apache.org/jira/browse/HBASE-27466) | hbase client metrics per user specified identity on hconnections. | Major | Client |
+| [HBASE-27490](https://issues.apache.org/jira/browse/HBASE-27490) | Locating regions for all actions of batch requests can exceed operation timeout | Major | . |
+| [HBASE-22924](https://issues.apache.org/jira/browse/HBASE-22924) | GitHUB PR job should use when clause to filter to just PRs. | Minor | build, community |
+| [HBASE-27491](https://issues.apache.org/jira/browse/HBASE-27491) | AsyncProcess should not clear meta cache for RejectedExecutionException | Major | . |
+| [HBASE-27435](https://issues.apache.org/jira/browse/HBASE-27435) | Make Prometheus metrics queryable | Minor | metrics |
+| [HBASE-27459](https://issues.apache.org/jira/browse/HBASE-27459) | Improve our hbase\_docker to be able to build and start standalone clusters other than master branch | Major | scripts |
+| [HBASE-27530](https://issues.apache.org/jira/browse/HBASE-27530) | Fix comment syntax errors | Trivial | documentation |
+| [HBASE-27253](https://issues.apache.org/jira/browse/HBASE-27253) | Make slow log configs updatable with configuration observer | Major | . |
+| [HBASE-27474](https://issues.apache.org/jira/browse/HBASE-27474) | Evict blocks on split/merge; Avoid caching reference/hlinks if compaction is enabled | Major | . |
+| [HBASE-27540](https://issues.apache.org/jira/browse/HBASE-27540) | Client metrics for success/failure counts. | Major | Client, metrics |
+| [HBASE-27233](https://issues.apache.org/jira/browse/HBASE-27233) | Read blocks into off-heap if caching is disabled for read | Major | . |
+| [HBASE-27514](https://issues.apache.org/jira/browse/HBASE-27514) | Move some persistent states from zookeeper to master region | Major | master, Zookeeper |
+| [HBASE-27531](https://issues.apache.org/jira/browse/HBASE-27531) | AsyncRequestFutureImpl unnecessarily clears meta cache for full server | Major | . |
+| [HBASE-27565](https://issues.apache.org/jira/browse/HBASE-27565) | Make the initial corePoolSize configurable for ChoreService | Major | conf |
+| [HBASE-27529](https://issues.apache.org/jira/browse/HBASE-27529) | Provide RS coproc ability to attach WAL extended attributes to mutations at replication sink | Major | Coprocessors, Replication |
+| [HBASE-27493](https://issues.apache.org/jira/browse/HBASE-27493) | Allow namespace admins to clone snapshots created by them | Major | snapshots |
+| [HBASE-27562](https://issues.apache.org/jira/browse/HBASE-27562) | Publish SBOM artifacts | Major | java |
+| [HBASE-27539](https://issues.apache.org/jira/browse/HBASE-27539) | Encapsulate and centralise access to ref count through StoreFileInfo | Major | . |
+| [HBASE-27541](https://issues.apache.org/jira/browse/HBASE-27541) | Backups should be able to be restored to a separate filesystem | Minor | backup&restore |
+| [HBASE-27542](https://issues.apache.org/jira/browse/HBASE-27542) | Remove unneeded distcp log cleanup after incremental backups | Minor | backup&restore |
+| [HBASE-27551](https://issues.apache.org/jira/browse/HBASE-27551) | Add config options to delay assignment to retain last region location | Major | . |
+| [HBASE-27583](https://issues.apache.org/jira/browse/HBASE-27583) | Remove -X option when building protoc check in nightly and pre commit job | Major | jenkins, scripts |
+| [HBASE-27558](https://issues.apache.org/jira/browse/HBASE-27558) | Scan quotas and limits should account for total block IO | Major | . |
+| [HBASE-27598](https://issues.apache.org/jira/browse/HBASE-27598) | Upgrade mockito to 4.x | Major | dependencies, test |
+| [HBASE-27570](https://issues.apache.org/jira/browse/HBASE-27570) | Unify tracking of block IO across all read request types | Major | . |
+| [HBASE-27534](https://issues.apache.org/jira/browse/HBASE-27534) | Determine too large requests by response block size rather than cell size | Major | . |
+| [HBASE-27590](https://issues.apache.org/jira/browse/HBASE-27590) | Change Iterable to List in SnapshotFileCache | Minor | . |
+| [HBASE-21521](https://issues.apache.org/jira/browse/HBASE-21521) | Expose master startup status via web UI | Major | master, UI |
+| [HBASE-15242](https://issues.apache.org/jira/browse/HBASE-15242) | Client metrics for retries and timeouts | Major | metrics |
+| [HBASE-27655](https://issues.apache.org/jira/browse/HBASE-27655) | Remove the empty path annotation from ClusterMetricsResource | Trivial | . |
+| [HBASE-27666](https://issues.apache.org/jira/browse/HBASE-27666) | Allow preCompact hooks to return scanners whose cells can be shipped | Major | . |
+| [HBASE-23102](https://issues.apache.org/jira/browse/HBASE-23102) | Improper Usage of Map putIfAbsent | Minor | . |
+| [HBASE-27458](https://issues.apache.org/jira/browse/HBASE-27458) | Use ReadWriteLock for region scanner readpoint map | Minor | Scanners |
+| [HBASE-23983](https://issues.apache.org/jira/browse/HBASE-23983) | Spotbugs warning complain on master build | Major | . |
+| [HBASE-27670](https://issues.apache.org/jira/browse/HBASE-27670) | Improve FSUtils to directly obtain FSDataOutputStream | Major | Filesystem Integration |
+| [HBASE-27672](https://issues.apache.org/jira/browse/HBASE-27672) | Read RPC threads may BLOCKED at the Configuration.get when using java compression | Minor | . |
+| [HBASE-27681](https://issues.apache.org/jira/browse/HBASE-27681) | Refactor Table Latency Metrics | Major | . |
+| [HBASE-27632](https://issues.apache.org/jira/browse/HBASE-27632) | Refactor WAL.Reader implementation so we can better support WAL splitting and replication | Major | Replication, wal |
+| [HBASE-27615](https://issues.apache.org/jira/browse/HBASE-27615) | Add group of regionServer on Master webUI | Major | . |
+| [HBASE-27686](https://issues.apache.org/jira/browse/HBASE-27686) | Recovery of BucketCache and Prefetched data after RS Crash | Major | BucketCache |
+| [HBASE-27710](https://issues.apache.org/jira/browse/HBASE-27710) | ByteBuff ref counting is too expensive for on-heap buffers | Major | . |
+| [HBASE-27646](https://issues.apache.org/jira/browse/HBASE-27646) | Should not use pread when prefetching in HFilePreadReader | Minor | Performance |
+| [HBASE-27313](https://issues.apache.org/jira/browse/HBASE-27313) | Persist list of Hfiles names for which prefetch is done | Major | BucketCache |
+| [HBASE-27676](https://issues.apache.org/jira/browse/HBASE-27676) | Scan handlers in the RPC executor should match at least one scan queues | Major | . |
+| [HBASE-27744](https://issues.apache.org/jira/browse/HBASE-27744) | Update compression dependencies | Minor | io |
+| [HBASE-26526](https://issues.apache.org/jira/browse/HBASE-26526) | Introduce a timeout to shutdown of WAL | Major | wal |
+| [HBASE-27758](https://issues.apache.org/jira/browse/HBASE-27758) | Inconsistent synchronization in MetricsUserSourceImpl | Major | . |
+| [HBASE-27756](https://issues.apache.org/jira/browse/HBASE-27756) | Make request guardrail configs in RSRpcServices live updatable | Major | . |
+| [HBASE-27765](https://issues.apache.org/jira/browse/HBASE-27765) | Add biggest cell related info into web ui | Major | HFile, UI |
+| [HBASE-27713](https://issues.apache.org/jira/browse/HBASE-27713) | Remove numRegions in Region Metrics | Major | metrics |
+| [HBASE-27780](https://issues.apache.org/jira/browse/HBASE-27780) | FileChangeWatcher improvements | Major | . |
+| [HBASE-27422](https://issues.apache.org/jira/browse/HBASE-27422) | Support replication for hbase:acl | Major | acl, Replication |
+| [HBASE-27787](https://issues.apache.org/jira/browse/HBASE-27787) | Downgrade noisy info log in NettyRpcConnection when TLS enabled | Major | . |
+| [HBASE-27785](https://issues.apache.org/jira/browse/HBASE-27785) | Encapsulate and centralize totalBufferUsed in ReplicationSourceManager | Major | Replication |
+| [HBASE-27536](https://issues.apache.org/jira/browse/HBASE-27536) | Include more request information in slowlog for Scans | Major | . |
+| [HBASE-27535](https://issues.apache.org/jira/browse/HBASE-27535) | Separate slowlog thresholds for scans vs other requests | Major | . |
+| [HBASE-27818](https://issues.apache.org/jira/browse/HBASE-27818) | Split TestReplicationDroppedTables | Major | Replication, test |
+| [HBASE-27808](https://issues.apache.org/jira/browse/HBASE-27808) | Change flatten mode for oss in our pom file | Major | community, pom |
+| [HBASE-27819](https://issues.apache.org/jira/browse/HBASE-27819) | 10k RpcServer.MAX\_REQUEST\_SIZE is not enough in ReplicationDroppedTable related tests | Major | test |
+| [HBASE-27792](https://issues.apache.org/jira/browse/HBASE-27792) | Guard Master/RS Dump Servlet behind admin walls | Minor | security, UI |
+| [HBASE-27821](https://issues.apache.org/jira/browse/HBASE-27821) | Split TestFuzzyRowFilterEndToEnd | Major | test |
+| [HBASE-27799](https://issues.apache.org/jira/browse/HBASE-27799) | RpcThrottlingException wait interval message is misleading between 0-1s | Major | . |
+| [HBASE-27838](https://issues.apache.org/jira/browse/HBASE-27838) | Update zstd-jni from version 1.5.4-2 -\> 1.5.5-2 | Minor | io |
+| [HBASE-27844](https://issues.apache.org/jira/browse/HBASE-27844) | changed type names to avoid conflicts with built-in types | Minor | build |
+| [HBASE-27788](https://issues.apache.org/jira/browse/HBASE-27788) | Skip family comparing when compare cells inner the store | Major | Performance |
+| [HBASE-27858](https://issues.apache.org/jira/browse/HBASE-27858) | Update surefire version to 3.0.0 and use the SurefireForkNodeFactory | Minor | test |
+| [HBASE-27870](https://issues.apache.org/jira/browse/HBASE-27870) | Eliminate the 'WARNING: package jdk.internal.util.random not in java.base' when running UTs with jdk11 | Major | build, pom, test |
+| [HBASE-27812](https://issues.apache.org/jira/browse/HBASE-27812) | Provide option in HBase UI to disable stack trace for security | Minor | UI |
+| [HBASE-27848](https://issues.apache.org/jira/browse/HBASE-27848) | Should fast-fail if unmatched column family exists when using ImportTsv | Major | mapreduce |
+| [HBASE-27876](https://issues.apache.org/jira/browse/HBASE-27876) | Only generate SBOM when releasing | Minor | build, pom |
+| [HBASE-27855](https://issues.apache.org/jira/browse/HBASE-27855) | Support dynamic adjustment of flusher count | Minor | regionserver |
+| [HBASE-27899](https://issues.apache.org/jira/browse/HBASE-27899) | Beautify the output information of the getStats method in ReplicationSource | Minor | Replication |
+| [HBASE-27888](https://issues.apache.org/jira/browse/HBASE-27888) | Record readBlock message in log when it takes too long time | Minor | HFile |
+| [HBASE-27939](https://issues.apache.org/jira/browse/HBASE-27939) | Bump snappy-java from 1.1.9.1 to 1.1.10.1 | Major | dependabot, security |
+| [HBASE-27902](https://issues.apache.org/jira/browse/HBASE-27902) | New async admin api to invoke coproc on multiple servers | Major | . |
+| [HBASE-27892](https://issues.apache.org/jira/browse/HBASE-27892) | Report memstore on-heap and off-heap size as jmx metrics | Major | metrics |
+| [HBASE-27948](https://issues.apache.org/jira/browse/HBASE-27948) | Report memstore on-heap and off-heap size as jmx metrics in sub=Memory bean | Major | . |
+| [HBASE-27954](https://issues.apache.org/jira/browse/HBASE-27954) | Eliminate duplicate code for getNonRootIndexedKey in HFileBlockIndex | Major | HFile |
+| [HBASE-27920](https://issues.apache.org/jira/browse/HBASE-27920) | Skipping compact for this region if the table disable compaction | Major | Compaction |
+| [HBASE-27845](https://issues.apache.org/jira/browse/HBASE-27845) | Distinguish the mutate types of rpc error in MetricsConnection | Minor | metrics |
+| [HBASE-27798](https://issues.apache.org/jira/browse/HBASE-27798) | Client side should back off based on wait interval in RpcThrottlingException | Major | . |
+| [HBASE-27897](https://issues.apache.org/jira/browse/HBASE-27897) | ConnectionImplementation#locateRegionInMeta should pause and retry when taking user region lock failed | Major | Client |
+| [HBASE-27906](https://issues.apache.org/jira/browse/HBASE-27906) | Fix the javadoc for SyncFutureCache | Minor | documentation |
+| [HBASE-26874](https://issues.apache.org/jira/browse/HBASE-26874) | VerifyReplication recompare async | Major | . |
+| [HBASE-27896](https://issues.apache.org/jira/browse/HBASE-27896) | Disable hdfs readahead for pread reads | Major | . |
+| [HBASE-27956](https://issues.apache.org/jira/browse/HBASE-27956) | Support wall clock profiling in ProfilerServlet | Major | . |
+| [HBASE-27996](https://issues.apache.org/jira/browse/HBASE-27996) | Remove InterfaceStability.Stable from HTable | Major | . |
+| [HBASE-28012](https://issues.apache.org/jira/browse/HBASE-28012) | Avoid CellUtil.cloneRow in BufferedEncodedSeeker | Major | Offheaping, Performance |
+| [HBASE-28025](https://issues.apache.org/jira/browse/HBASE-28025) | Enhance ByteBufferUtils.findCommonPrefix to compare 8 bytes each time | Major | Performance |
+| [HBASE-27717](https://issues.apache.org/jira/browse/HBASE-27717) | Add rsgroup name for dead region servers on master UI | Minor | UI |
+| [HBASE-28051](https://issues.apache.org/jira/browse/HBASE-28051) | The javadoc about RegionProcedureStore.delete is incorrect | Trivial | documentation |
+| [HBASE-28052](https://issues.apache.org/jira/browse/HBASE-28052) | Removing the useless parameters from ProcedureExecutor.loadProcedures | Minor | proc-v2 |
+| [HBASE-28038](https://issues.apache.org/jira/browse/HBASE-28038) | Add TLS settings to ZooKeeper client | Major | Zookeeper |
+| [HBASE-28059](https://issues.apache.org/jira/browse/HBASE-28059) | Use correct units in RegionLoad#getStoreUncompressedSizeMB() | Major | Admin |
+| [HBASE-28008](https://issues.apache.org/jira/browse/HBASE-28008) | Add support for tcnative | Major | . |
+| [HBASE-27853](https://issues.apache.org/jira/browse/HBASE-27853) | Add client side table metrics for rpc calls and request latency. | Major | Client, metrics |
+| [HBASE-27981](https://issues.apache.org/jira/browse/HBASE-27981) | Add connection and request attributes to slow log | Major | . |
+| [HBASE-28068](https://issues.apache.org/jira/browse/HBASE-28068) | Add hbase.normalizer.merge.merge\_request\_max\_number\_of\_regions property to limit max number of regions in a merge request for merge normalization | Minor | Normalizer |
+| [HBASE-28128](https://issues.apache.org/jira/browse/HBASE-28128) | Reject requests at RPC layer when RegionServer is aborting | Major | . |
+| [HBASE-22138](https://issues.apache.org/jira/browse/HBASE-22138) | Undo our direct dependence on protos in google.protobuf.Any in Procedure.proto | Major | proc-v2, Protobufs |
+| [HBASE-28135](https://issues.apache.org/jira/browse/HBASE-28135) | Specify -Xms for tests | Major | test |
+| [HBASE-28138](https://issues.apache.org/jira/browse/HBASE-28138) | Make the connection idle timeout configurable for the embedded HTTP servers | Minor | . |
+| [HBASE-28113](https://issues.apache.org/jira/browse/HBASE-28113) | Modify the way of acquiring the RegionStateNode lock in checkOnlineRegionsReport to tryLock | Major | master |
+| [HBASE-28043](https://issues.apache.org/jira/browse/HBASE-28043) | Reduce seeks from beginning of block in StoreFileScanner.seekToPreviousRow | Major | . |
+| [HBASE-28085](https://issues.apache.org/jira/browse/HBASE-28085) | Configurably use scanner timeout as rpc timeout for scanner next calls | Major | . |
+| [HBASE-27276](https://issues.apache.org/jira/browse/HBASE-27276) | Reduce reflection overhead in Filter deserialization | Major | . |
+| [HBASE-28193](https://issues.apache.org/jira/browse/HBASE-28193) | Update plugin for SBOM generation to 2.7.10 | Major | build, pom |
+| [HBASE-28176](https://issues.apache.org/jira/browse/HBASE-28176) | PrefetchExecutor should stop once cache reaches capacity | Major | . |
+| [HBASE-25549](https://issues.apache.org/jira/browse/HBASE-25549) | Provide a switch that allows avoiding reopening all regions when modifying a table to prevent RIT storms. | Major | master, shell |
+| [HBASE-28212](https://issues.apache.org/jira/browse/HBASE-28212) | Do not need to maintain rollback step when root procedure does not support rollback | Major | master, proc-v2 |
+| [HBASE-28215](https://issues.apache.org/jira/browse/HBASE-28215) | Region reopen procedure should support some sort of throttling | Major | master, proc-v2 |
+| [HBASE-27532](https://issues.apache.org/jira/browse/HBASE-27532) | Add block bytes scanned metrics | Major | . |
+| [HBASE-28209](https://issues.apache.org/jira/browse/HBASE-28209) | Create a jmx metrics to expose the oldWALs directory size | Major | metrics |
+| [HBASE-28029](https://issues.apache.org/jira/browse/HBASE-28029) | Netty SSL throughput improvement | Major | . |
+| [HBASE-21243](https://issues.apache.org/jira/browse/HBASE-21243) | Correct java-doc for the method RpcServer.getRemoteAddress() | Trivial | . |
+| [HBASE-20528](https://issues.apache.org/jira/browse/HBASE-20528) | Revise collections copying from iteration to built-in function | Minor | . |
+| [HBASE-27402](https://issues.apache.org/jira/browse/HBASE-27402) | Clone Scan in ClientScanner to avoid errors with Scan re-used | Major | . |
+| [HBASE-28307](https://issues.apache.org/jira/browse/HBASE-28307) | Add hbase-openssl module and include in release binaries | Major | . |
+| [HBASE-28256](https://issues.apache.org/jira/browse/HBASE-28256) | Enhance ByteBufferUtils.readVLong to read more bytes at a time | Major | Performance |
+| [HBASE-28306](https://issues.apache.org/jira/browse/HBASE-28306) | Add property to customize Version information | Major | . |
+| [HBASE-28305](https://issues.apache.org/jira/browse/HBASE-28305) | Add "Uncompressed StoreFileSize" column to the table.jsp | Minor | UI |
+| [HBASE-28319](https://issues.apache.org/jira/browse/HBASE-28319) | Expose DelegatingRpcScheduler as IA.LimitedPrivate | Major | . |
+| [HBASE-28271](https://issues.apache.org/jira/browse/HBASE-28271) | Infinite waiting on lock acquisition by snapshot can result in unresponsive master | Major | . |
+| [HBASE-28302](https://issues.apache.org/jira/browse/HBASE-28302) | Add tracking of fs read times in ScanMetrics and slow logs | Major | . |
+| [HBASE-28327](https://issues.apache.org/jira/browse/HBASE-28327) | Add remove(String key, Metric metric) method to MetricRegistry interface | Major | metrics |
+| [HBASE-28332](https://issues.apache.org/jira/browse/HBASE-28332) | Type conversion is no need in method CompactionChecker.chore() | Minor | Compaction |
+| [HBASE-28317](https://issues.apache.org/jira/browse/HBASE-28317) | RpcCallContext should expose client's TLS certificate | Minor | . |
+| [HBASE-26642](https://issues.apache.org/jira/browse/HBASE-26642) | Increase the timeout for TestStochasticLoadBalancerRegionReplicaLargeCluster | Major | Balancer, test |
+| [HBASE-28190](https://issues.apache.org/jira/browse/HBASE-28190) | Add slow sync log rolling test in TestAsyncLogRolling | Minor | test |
+| [HBASE-28334](https://issues.apache.org/jira/browse/HBASE-28334) | Add comment around erasure coding policy in DEFAULT\_VALUE map | Major | . |
+| [HBASE-27687](https://issues.apache.org/jira/browse/HBASE-27687) | Enhance quotas to consume blockBytesScanned rather than response size | Major | . |
+| [HBASE-27800](https://issues.apache.org/jira/browse/HBASE-27800) | Add support for default user quotas | Major | . |
+| [HBASE-28349](https://issues.apache.org/jira/browse/HBASE-28349) | Atomic requests should increment read usage in quotas | Major | . |
+| [HBASE-28357](https://issues.apache.org/jira/browse/HBASE-28357) | MoveWithAck#isSuccessfulScan for Region movement should use Region End Key for limiting scan to one region only. | Minor | Region Assignment |
+| [HBASE-28356](https://issues.apache.org/jira/browse/HBASE-28356) | RegionServer Canary can should use Scan just like Region Canary with option to enable Raw Scan | Minor | canary |
+| [HBASE-28367](https://issues.apache.org/jira/browse/HBASE-28367) | Backport "HBASE-27811 Enable cache control for logs endpoint and set max age as 0" to branch-2 | Minor | . |
+| [HBASE-28142](https://issues.apache.org/jira/browse/HBASE-28142) | Region Server Logs getting spammed with warning when storefile has no reader | Minor | . |
+| [HBASE-28370](https://issues.apache.org/jira/browse/HBASE-28370) | Default user quotas are refreshing too frequently | Major | . |
+| [HBASE-28398](https://issues.apache.org/jira/browse/HBASE-28398) | Make sure we close all the scanners in TestHRegion | Major | test |
+| [HBASE-28313](https://issues.apache.org/jira/browse/HBASE-28313) | StorefileRefresherChore should not refresh readonly table | Major | regionserver |
+| [HBASE-28342](https://issues.apache.org/jira/browse/HBASE-28342) | Decommissioned hosts should be rejected by the HMaster | Major | master |
+| [HBASE-28359](https://issues.apache.org/jira/browse/HBASE-28359) | Improve quota RateLimiter synchronization | Major | . |
+| [HBASE-28424](https://issues.apache.org/jira/browse/HBASE-28424) | Set correct Result to RegionActionResult for successful Put/Delete mutations | Major | . |
+| [HBASE-28385](https://issues.apache.org/jira/browse/HBASE-28385) | Quota estimates are too optimistic for large scans | Major | . |
+| [HBASE-28427](https://issues.apache.org/jira/browse/HBASE-28427) | FNFE related to 'master:store' when moving archived hfiles to global archived dir | Minor | master |
+| [HBASE-28124](https://issues.apache.org/jira/browse/HBASE-28124) | Missing fields in Scan.toJSON | Major | . |
+| [HBASE-28416](https://issues.apache.org/jira/browse/HBASE-28416) | Remove hbase-examples from hbase-assembly | Major | . |
+| [HBASE-28453](https://issues.apache.org/jira/browse/HBASE-28453) | Support a middle ground between the Average and Fixed interval rate limiters | Major | . |
+| [HBASE-28485](https://issues.apache.org/jira/browse/HBASE-28485) | Re-use ZstdDecompressCtx/ZstdCompressCtx for performance | Major | . |
+| [HBASE-28498](https://issues.apache.org/jira/browse/HBASE-28498) | fix spotless:check errors | Major | . |
+| [HBASE-28504](https://issues.apache.org/jira/browse/HBASE-28504) | Implement eviction logic for scanners in Rest APIs to prevent scanner leakage | Major | REST |
+| [HBASE-28292](https://issues.apache.org/jira/browse/HBASE-28292) | Make Delay prefetch property to be dynamically configured | Major | . |
+| [HBASE-28470](https://issues.apache.org/jira/browse/HBASE-28470) | Fix Typo in Java Method Comment | Trivial | Admin |
+| [HBASE-28509](https://issues.apache.org/jira/browse/HBASE-28509) | ScanResumer.resume would perform unnecessary scan when close AsyncTableResultScanner | Major | asyncclient |
+| [HBASE-28497](https://issues.apache.org/jira/browse/HBASE-28497) | Missing fields in Get.toJSON | Major | Client |
+| [HBASE-28150](https://issues.apache.org/jira/browse/HBASE-28150) | CreateTableProcedure and DeleteTableProcedure should sleep a while before retrying | Major | master, proc-v2 |
+| [HBASE-28529](https://issues.apache.org/jira/browse/HBASE-28529) | Use ZKClientConfig instead of system properties when setting zookeeper configurations | Major | Zookeeper |
+| [HBASE-28255](https://issues.apache.org/jira/browse/HBASE-28255) | Correcting spelling errors or annotations with non-standard spelling | Minor | . |
+| [HBASE-28517](https://issues.apache.org/jira/browse/HBASE-28517) | Make properties dynamically configured | Major | . |
+| [HBASE-28518](https://issues.apache.org/jira/browse/HBASE-28518) | Allow specifying a filter for the REST multiget endpoint | Major | REST |
+| [HBASE-28552](https://issues.apache.org/jira/browse/HBASE-28552) | Bump up bouncycastle dependency from 1.76 to 1.78 | Major | dependencies, security |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component |
+|:---- |:---- | :--- |:---- |
+| [HBASE-25166](https://issues.apache.org/jira/browse/HBASE-25166) | MobFileCompactionChore is closing the master's shared cluster connection | Major | master |
+| [HBASE-26842](https://issues.apache.org/jira/browse/HBASE-26842) | TestSnapshotProcedure fails in branch-2 | Critical | proc-v2, snapshots |
+| [HBASE-27092](https://issues.apache.org/jira/browse/HBASE-27092) | Regionserver table on Master UI is broken | Major | master |
+| [HBASE-26977](https://issues.apache.org/jira/browse/HBASE-26977) | HMaster's ShutdownHook does not take effect, if tablesOnMaster is false | Major | master |
+| [HBASE-27246](https://issues.apache.org/jira/browse/HBASE-27246) | RSGroupMappingScript#getRSGroup has thread safety problem | Major | rsgroup |
+| [HBASE-27325](https://issues.apache.org/jira/browse/HBASE-27325) | the bulkload max call queue size can be update to a wrong value | Minor | IPC/RPC |
+| [HBASE-25922](https://issues.apache.org/jira/browse/HBASE-25922) | Disabled sanity checks ignored on snapshot restore | Minor | conf, snapshots |
+| [HBASE-27321](https://issues.apache.org/jira/browse/HBASE-27321) | The ReplicationLogCleaner is not thread safe but can be called from different threads at the same time | Critical | master, Replication |
+| [HBASE-27152](https://issues.apache.org/jira/browse/HBASE-27152) | Under compaction mark may leak | Major | Compaction |
+| [HBASE-27335](https://issues.apache.org/jira/browse/HBASE-27335) | HBase shell hang for a minute when quiting | Major | shell |
+| [HBASE-27336](https://issues.apache.org/jira/browse/HBASE-27336) | The region visualizer shows 'undefined' region server | Major | master, UI |
+| [HBASE-22939](https://issues.apache.org/jira/browse/HBASE-22939) | SpaceQuotas- Bulkload from different hdfs failed when space quotas are turned on. | Major | . |
+| [HBASE-27353](https://issues.apache.org/jira/browse/HBASE-27353) | opentelemetry-context jar missing at runtime causes MR jobs to fail | Minor | . |
+| [HBASE-27362](https://issues.apache.org/jira/browse/HBASE-27362) | Fix some tests hung by CompactSplit.requestCompactionInternal ignoring compactionsEnabled check | Major | Compaction |
+| [HBASE-27352](https://issues.apache.org/jira/browse/HBASE-27352) | Quoted string argument with spaces passed from command line are propagated wrongly to the underlying java class | Minor | shell |
+| [HBASE-27368](https://issues.apache.org/jira/browse/HBASE-27368) | Do not need to throw IllegalStateException when peer is not active in ReplicationSource.initialize | Major | regionserver, Replication |
+| [HBASE-27386](https://issues.apache.org/jira/browse/HBASE-27386) | Use encoded size for calculating compression ratio in block size predicator | Major | . |
+| [HBASE-27381](https://issues.apache.org/jira/browse/HBASE-27381) | Still seeing 'Stuck' in static initialization creating RegionInfo instance | Major | Client |
+| [HBASE-27409](https://issues.apache.org/jira/browse/HBASE-27409) | Fix the javadoc for WARCRecord | Major | documentation |
+| [HBASE-27407](https://issues.apache.org/jira/browse/HBASE-27407) | Fixing check for "description" request param in JMXJsonServlet.java | Minor | metrics |
+| [HBASE-27419](https://issues.apache.org/jira/browse/HBASE-27419) | Update to hbase-thirdparty 4.1.2 | Major | dependencies |
+| [HBASE-27424](https://issues.apache.org/jira/browse/HBASE-27424) | Upgrade Jettison for CVE-2022-40149/40150 | Major | . |
+| [HBASE-27420](https://issues.apache.org/jira/browse/HBASE-27420) | Failure while connecting to zk if HBase is running in standalone mode in a container | Minor | Zookeeper |
+| [HBASE-27426](https://issues.apache.org/jira/browse/HBASE-27426) | Region server abort with failing to list region servers. | Major | Zookeeper |
+| [HBASE-27433](https://issues.apache.org/jira/browse/HBASE-27433) | DefaultMobStoreCompactor should delete MobStoreFile cleanly when compaction is failed | Major | mob |
+| [HBASE-27440](https://issues.apache.org/jira/browse/HBASE-27440) | metrics method removeHistogramMetrics trigger serious memory leak | Major | metrics, regionserver |
+| [HBASE-25983](https://issues.apache.org/jira/browse/HBASE-25983) | javadoc generation fails on openjdk-11.0.11+9 | Major | documentation, pom |
+| [HBASE-27446](https://issues.apache.org/jira/browse/HBASE-27446) | Spotbugs 4.7.2 report a lot of logging errors when generating report | Major | build, jenkins, scripts |
+| [HBASE-27437](https://issues.apache.org/jira/browse/HBASE-27437) | TestHeapSize is flaky | Major | test |
+| [HBASE-27472](https://issues.apache.org/jira/browse/HBASE-27472) | The personality script set wrong hadoop2 check version for branch-2 | Major | jenkins, scripts |
+| [HBASE-27473](https://issues.apache.org/jira/browse/HBASE-27473) | Fix spotbugs warnings in hbase-rest Client.getResponseBody | Major | REST |
+| [HBASE-27480](https://issues.apache.org/jira/browse/HBASE-27480) | Skip error prone for hadoop2/3 checkes in our nightly jobs | Major | jenkins, scripts |
+| [HBASE-27469](https://issues.apache.org/jira/browse/HBASE-27469) | IllegalArgumentException is thrown by SnapshotScannerHDFSAclController when dropping a table | Major | snapshots |
+| [HBASE-27379](https://issues.apache.org/jira/browse/HBASE-27379) | numOpenConnections metric is one less than the actual | Minor | metrics |
+| [HBASE-27423](https://issues.apache.org/jira/browse/HBASE-27423) | Upgrade hbase-thirdparty to 4.1.3 and upgrade Jackson for CVE-2022-42003/42004 | Major | security |
+| [HBASE-27464](https://issues.apache.org/jira/browse/HBASE-27464) | In memory compaction 'COMPACT' may cause data corruption when adding cells large than maxAlloc(default 256k) size | Critical | in-memory-compaction |
+| [HBASE-27501](https://issues.apache.org/jira/browse/HBASE-27501) | The .flattened-pom.xml for some modules are not installed | Blocker | build, pom |
+| [HBASE-27445](https://issues.apache.org/jira/browse/HBASE-27445) | result of DirectMemoryUtils#getDirectMemorySize may be wrong | Minor | UI |
+| [HBASE-27504](https://issues.apache.org/jira/browse/HBASE-27504) | Remove duplicated config 'hbase.normalizer.merge.min\_region\_age.days' in hbase-default.xml | Minor | conf |
+| [HBASE-27463](https://issues.apache.org/jira/browse/HBASE-27463) | Reset sizeOfLogQueue when refresh replication source | Minor | Replication |
+| [HBASE-27484](https://issues.apache.org/jira/browse/HBASE-27484) | FNFE on StoreFileScanner after a flush followed by a compaction | Major | . |
+| [HBASE-27494](https://issues.apache.org/jira/browse/HBASE-27494) | Client meta cache clear by exception metrics are missing some cases | Minor | . |
+| [HBASE-27519](https://issues.apache.org/jira/browse/HBASE-27519) | Another case for FNFE on StoreFileScanner after a flush followed by a compaction | Major | . |
+| [HBASE-27527](https://issues.apache.org/jira/browse/HBASE-27527) | Port HBASE-27498 to branch-2 | Major | Client |
+| [HBASE-27524](https://issues.apache.org/jira/browse/HBASE-27524) | Fix python requirements problem | Major | scripts, security |
+| [HBASE-27390](https://issues.apache.org/jira/browse/HBASE-27390) | getClusterMetrics NullPointerException when ServerTask status null | Major | . |
+| [HBASE-27485](https://issues.apache.org/jira/browse/HBASE-27485) | HBaseTestingUtility minicluster requires log4j2 | Major | test |
+| [HBASE-27489](https://issues.apache.org/jira/browse/HBASE-27489) | Fix several problems after HBASE-27304 | Minor | master, regionserver |
+| [HBASE-27566](https://issues.apache.org/jira/browse/HBASE-27566) | Bump gitpython from 3.1.29 to 3.1.30 in /dev-support | Major | scripts, security |
+| [HBASE-27560](https://issues.apache.org/jira/browse/HBASE-27560) | CatalogJanitor consistencyCheck cannot report the hole on last region if next table is disabled in meta | Minor | hbck2 |
+| [HBASE-27563](https://issues.apache.org/jira/browse/HBASE-27563) | ChaosMonkey sometimes generates invalid boundaries for random item selection | Minor | integration tests |
+| [HBASE-27561](https://issues.apache.org/jira/browse/HBASE-27561) | hbase.master.port is ignored in processing of hbase.masters | Minor | Client |
+| [HBASE-27564](https://issues.apache.org/jira/browse/HBASE-27564) | Add default encryption type for MiniKDC to fix failed tests on JDK11+ | Major | . |
+| [HBASE-27528](https://issues.apache.org/jira/browse/HBASE-27528) | log duplication issues in MasterRpcServices | Major | logging, master, rpc, security |
+| [HBASE-27579](https://issues.apache.org/jira/browse/HBASE-27579) | CatalogJanitor can cause data loss due to errors during cleanMergeRegion | Blocker | . |
+| [HBASE-26300](https://issues.apache.org/jira/browse/HBASE-26300) | Skip archived master wals during incremental backups | Major | backup&restore |
+| [HBASE-27589](https://issues.apache.org/jira/browse/HBASE-27589) | Rename TestConnectionImplementation in hbase-it to fix javadoc failure | Blocker | Client, documentation |
+| [HBASE-27592](https://issues.apache.org/jira/browse/HBASE-27592) | Update hadoop netty version for hadoop-2.0 profile | Major | . |
+| [HBASE-27586](https://issues.apache.org/jira/browse/HBASE-27586) | Bump up commons-codec to 1.15 | Major | dependencies, security |
+| [HBASE-27547](https://issues.apache.org/jira/browse/HBASE-27547) | Close store file readers after region warmup | Major | regionserver |
+| [HBASE-26967](https://issues.apache.org/jira/browse/HBASE-26967) | FilterList with FuzzyRowFilter and SingleColumnValueFilter evaluated with operator MUST\_PASS\_ONE doesn't work as expected | Critical | Filters |
+| [HBASE-27585](https://issues.apache.org/jira/browse/HBASE-27585) | Bump up jruby to 9.3.9.0 and related joni and jcodings to 2.1.43 and 1.0.57 respectively | Major | jruby, security, shell |
+| [HBASE-27608](https://issues.apache.org/jira/browse/HBASE-27608) | Use lowercase image reference name in our docker file | Major | scripts |
+| [HBASE-27580](https://issues.apache.org/jira/browse/HBASE-27580) | Reverse scan over rows with tags throw exceptions when using DataBlockEncoding | Major | . |
+| [HBASE-27619](https://issues.apache.org/jira/browse/HBASE-27619) | Bulkload fails when trying to bulkload files with invalid names after HBASE-26707 | Major | . |
+| [HBASE-27621](https://issues.apache.org/jira/browse/HBASE-27621) | Also clear the Dictionary when resetting when reading compressed WAL file | Critical | Replication, wal |
+| [HBASE-27602](https://issues.apache.org/jira/browse/HBASE-27602) | Remove the impact of operating env on testHFileCleaning | Major | test |
+| [HBASE-27637](https://issues.apache.org/jira/browse/HBASE-27637) | Zero length value would cause value compressor read nothing and not advance the position of the InputStream | Critical | dataloss, wal |
+| [HBASE-27648](https://issues.apache.org/jira/browse/HBASE-27648) | CopyOnWriteArrayMap does not honor contract of ConcurrentMap.putIfAbsent | Major | . |
+| [HBASE-27636](https://issues.apache.org/jira/browse/HBASE-27636) | The "CREATE\_TIME\_TS" value of the hfile generated by the HFileOutputFormat2 class is 0 | Major | HFile, mapreduce |
+| [HBASE-27654](https://issues.apache.org/jira/browse/HBASE-27654) | IndexBlockEncoding is missing in HFileContextBuilder copy constructor | Major | . |
+| [HBASE-27661](https://issues.apache.org/jira/browse/HBASE-27661) | Set size of systable queue in UT | Major | . |
+| [HBASE-27649](https://issues.apache.org/jira/browse/HBASE-27649) | WALPlayer does not properly dedupe overridden cell versions | Major | . |
+| [HBASE-27644](https://issues.apache.org/jira/browse/HBASE-27644) | Should not return false when WALKey has no following KVs while reading WAL file | Critical | dataloss, wal |
+| [HBASE-27668](https://issues.apache.org/jira/browse/HBASE-27668) | PB's parseDelimitedFrom can successfully return when there are not enough bytes | Critical | Protobufs, wal |
+| [HBASE-27650](https://issues.apache.org/jira/browse/HBASE-27650) | Merging empty regions corrupts meta cache | Major | . |
+| [HBASE-24781](https://issues.apache.org/jira/browse/HBASE-24781) | Clean up peer metrics when disabling peer | Major | Replication |
+| [HBASE-27673](https://issues.apache.org/jira/browse/HBASE-27673) | Fix mTLS client hostname verification | Major | rpc |
+| [HBASE-23561](https://issues.apache.org/jira/browse/HBASE-23561) | Look up of Region in Master by encoded region name is O(n) | Trivial | . |
+| [HBASE-25709](https://issues.apache.org/jira/browse/HBASE-25709) | Close region may stuck when region is compacting and skipped most cells read | Major | Compaction |
+| [HBASE-27250](https://issues.apache.org/jira/browse/HBASE-27250) | MasterRpcService#setRegionStateInMeta does not support replica region encodedNames or region names | Minor | . |
+| [HBASE-27688](https://issues.apache.org/jira/browse/HBASE-27688) | HFile splitting occurs during bulkload, the CREATE\_TIME\_TS of hfileinfo is 0 | Major | HFile |
+| [HBASE-27714](https://issues.apache.org/jira/browse/HBASE-27714) | WALEntryStreamTestBase creates a new HBTU in startCluster method which causes all sub classes are testing default configurations | Major | Replication, test |
+| [HBASE-27716](https://issues.apache.org/jira/browse/HBASE-27716) | Fix TestWALOpenAfterDNRollingStart | Major | test |
+| [HBASE-27652](https://issues.apache.org/jira/browse/HBASE-27652) | Client-side lock contention around Configuration when using read replica regions | Major | Client, read replicas |
+| [HBASE-27708](https://issues.apache.org/jira/browse/HBASE-27708) | CPU hot-spot resolving User subject | Major | Client, tracing |
+| [HBASE-27729](https://issues.apache.org/jira/browse/HBASE-27729) | Missed one parameter when logging exception in StoreFileListFile | Major | logging |
+| [HBASE-27718](https://issues.apache.org/jira/browse/HBASE-27718) | The regionStateNode only need remove once in regionOffline | Minor | amv2 |
+| [HBASE-27651](https://issues.apache.org/jira/browse/HBASE-27651) | hbase-daemon.sh foreground\_start should propagate SIGHUP and SIGTERM | Minor | scripts |
+| [HBASE-27671](https://issues.apache.org/jira/browse/HBASE-27671) | Client should not be able to restore/clone a snapshot after it's TTL has expired | Minor | . |
+| [HBASE-27684](https://issues.apache.org/jira/browse/HBASE-27684) | Client metrics for user region lock related behaviors. | Major | Client |
+| [HBASE-26866](https://issues.apache.org/jira/browse/HBASE-26866) | Shutdown WAL may abort region server | Major | wal |
+| [HBASE-27732](https://issues.apache.org/jira/browse/HBASE-27732) | NPE in TestBasicWALEntryStreamFSHLog.testEOFExceptionInOldWALsDirectory | Major | Replication |
+| [HBASE-27333](https://issues.apache.org/jira/browse/HBASE-27333) | Abort RS when the hostname is different from master seen | Major | regionserver |
+| [HBASE-27726](https://issues.apache.org/jira/browse/HBASE-27726) | ruby shell not handled SyntaxError exceptions properly | Minor | shell |
+| [HBASE-27704](https://issues.apache.org/jira/browse/HBASE-27704) | Quotas can drastically overflow configured limit | Major | . |
+| [HBASE-27778](https://issues.apache.org/jira/browse/HBASE-27778) | Incorrect ReplicationSourceWALReader. totalBufferUsed may cause replication hang up | Major | Replication |
+| [HBASE-27768](https://issues.apache.org/jira/browse/HBASE-27768) | Race conditions in BlockingRpcConnection | Major | . |
+| [HBASE-27796](https://issues.apache.org/jira/browse/HBASE-27796) | Improve MemcachedBlockCache | Major | . |
+| [HBASE-27807](https://issues.apache.org/jira/browse/HBASE-27807) | PressureAwareCompactionThroughputController#tune log the opposite of the actual scenario | Trivial | Compaction |
+| [HBASE-27810](https://issues.apache.org/jira/browse/HBASE-27810) | HBCK throws RejectedExecutionException when closing ZooKeeper resources | Major | hbck |
+| [HBASE-27822](https://issues.apache.org/jira/browse/HBASE-27822) | TestFromClientSide5.testAppendWithoutWAL is flaky | Major | scan, test |
+| [HBASE-27823](https://issues.apache.org/jira/browse/HBASE-27823) | NPE in ClaimReplicationQueuesProcedure when running TestAssignmentManager.testAssignSocketTimeout | Major | test |
+| [HBASE-27824](https://issues.apache.org/jira/browse/HBASE-27824) | NPE in MetricsMasterWrapperImpl.isRunning | Major | test |
+| [HBASE-26646](https://issues.apache.org/jira/browse/HBASE-26646) | WALPlayer should obtain token from filesystem | Minor | . |
+| [HBASE-27851](https://issues.apache.org/jira/browse/HBASE-27851) | TestListTablesByState is silently failing due to a surefire bug | Minor | test |
+| [HBASE-27857](https://issues.apache.org/jira/browse/HBASE-27857) | HBaseClassTestRule: system exit not restored if test times out may cause test to hang | Minor | test |
+| [HBASE-27860](https://issues.apache.org/jira/browse/HBASE-27860) | Fix build error against Hadoop 3.3.5 | Major | build, hadoop3 |
+| [HBASE-27865](https://issues.apache.org/jira/browse/HBASE-27865) | TestThriftServerCmdLine fails with org.apache.hadoop.hbase.SystemExitRule$SystemExitInTestException | Major | test, Thrift |
+| [HBASE-27874](https://issues.apache.org/jira/browse/HBASE-27874) | Problem in flakey generated report causes pre-commit run to fail | Major | build |
+| [HBASE-27277](https://issues.apache.org/jira/browse/HBASE-27277) | TestRaceBetweenSCPAndTRSP fails in pre commit | Major | proc-v2, test |
+| [HBASE-27867](https://issues.apache.org/jira/browse/HBASE-27867) | Close the L1 victim handler race | Minor | BlockCache |
+| [HBASE-27872](https://issues.apache.org/jira/browse/HBASE-27872) | xerial's snappy-java requires GLIBC \>= 2.32 | Minor | . |
+| [HBASE-27793](https://issues.apache.org/jira/browse/HBASE-27793) | Make HBCK be able to report unknown servers | Major | hbck |
+| [HBASE-27510](https://issues.apache.org/jira/browse/HBASE-27510) | Should use 'org.apache.hbase.thirdparty.io.netty.tryReflectionSetAccessible' | Major | . |
+| [HBASE-27923](https://issues.apache.org/jira/browse/HBASE-27923) | NettyRpcServer may hange if it should skip initial sasl handshake | Major | netty, rpc, security |
+| [HBASE-27924](https://issues.apache.org/jira/browse/HBASE-27924) | Remove duplicate code for NettyHBaseSaslRpcServerHandler and make the sentByte metrics more accurate | Major | netty, rpc, security |
+| [HBASE-27940](https://issues.apache.org/jira/browse/HBASE-27940) | Midkey metadata in root index block would always be ignored by BlockIndexReader.readMultiLevelIndexRoot | Major | HFile |
+| [HBASE-27871](https://issues.apache.org/jira/browse/HBASE-27871) | Meta replication stuck forever if wal it's still reading gets rolled and deleted | Major | meta replicas |
+| [HBASE-27936](https://issues.apache.org/jira/browse/HBASE-27936) | NPE in StoreFileReader.passesGeneralRowPrefixBloomFilter() | Major | regionserver |
+| [HBASE-27782](https://issues.apache.org/jira/browse/HBASE-27782) | During SSL handshake error, netty complains that exceptionCaught() was not handled | Major | Client, rpc, security |
+| [HBASE-27950](https://issues.apache.org/jira/browse/HBASE-27950) | ClientSideRegionScanner does not adhere to RegionScanner.nextRaw contract | Minor | . |
+| [HBASE-27951](https://issues.apache.org/jira/browse/HBASE-27951) | Use ADMIN\_QOS in MasterRpcServices for regionserver operational dependencies | Major | . |
+| [HBASE-27942](https://issues.apache.org/jira/browse/HBASE-27942) | The description about hbase.hstore.comactionThreshold is not accurate | Minor | documentation |
+| [HBASE-27859](https://issues.apache.org/jira/browse/HBASE-27859) | HMaster.getCompactionState can happen NPE when region state is closed | Major | master |
+| [HBASE-27553](https://issues.apache.org/jira/browse/HBASE-27553) | SlowLog does not include params for Mutations | Minor | . |
+| [HBASE-28011](https://issues.apache.org/jira/browse/HBASE-28011) | The logStats about LruBlockCache is not accurate | Minor | BlockCache |
+| [HBASE-27979](https://issues.apache.org/jira/browse/HBASE-27979) | some syntax errors detected by IDEA in pom.xml | Minor | . |
+| [HBASE-27947](https://issues.apache.org/jira/browse/HBASE-27947) | RegionServer OOM under load when TLS is enabled | Critical | rpc |
+| [HBASE-28010](https://issues.apache.org/jira/browse/HBASE-28010) | Connection attributes can become corrupted on the server side | Blocker | . |
+| [HBASE-28042](https://issues.apache.org/jira/browse/HBASE-28042) | Snapshot corruptions due to non-atomic rename within same filesystem | Major | snapshots |
+| [HBASE-28055](https://issues.apache.org/jira/browse/HBASE-28055) | Performance improvement for scan over several stores. | Major | . |
+| [HBASE-28079](https://issues.apache.org/jira/browse/HBASE-28079) | Unhandled TableExistsException and NamespaceExistException in BackupSystemTable | Major | . |
+| [HBASE-28076](https://issues.apache.org/jira/browse/HBASE-28076) | NPE on initialization error in RecoveredReplicationSourceShipper | Minor | . |
+| [HBASE-28061](https://issues.apache.org/jira/browse/HBASE-28061) | HBaseTestingUtility failed to start MiniHbaseCluster in case of Hadoop3.3.1 | Major | hadoop3, integration tests |
+| [HBASE-28058](https://issues.apache.org/jira/browse/HBASE-28058) | HMaster snapshot file clean thread and the snapshot request handler thread encountered a deadlock | Major | snapshots |
+| [HBASE-28065](https://issues.apache.org/jira/browse/HBASE-28065) | Corrupt HFile data is mishandled in several cases | Major | HFile |
+| [HBASE-28101](https://issues.apache.org/jira/browse/HBASE-28101) | Should check the return value of protobuf Message.mergeDelimitedFrom | Critical | Protobufs, rpc |
+| [HBASE-28106](https://issues.apache.org/jira/browse/HBASE-28106) | TestShadeSaslAuthenticationProvider fails for branch-2.x | Blocker | test |
+| [HBASE-28105](https://issues.apache.org/jira/browse/HBASE-28105) | NPE in QuotaCache if Table is dropped from cluster | Major | Quotas |
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