##### General

- Overview
- Single Node Setup
- Cluster Setup
- Commands Reference
- FileSystem Shell
- Compatibility Specification
- Downstream Developer's Guide
- Admin Compatibility Guide
- Interface Classification
- FileSystem Specification

##### Common

- CLI Mini Cluster
- Native Libraries
- Proxy User
- Rack Awareness
- Secure Mode
- Service Level Authorization
- HTTP Authentication
- Credential Provider API
- Hadoop KMS
- Tracing
- Unix Shell Guide

##### HDFS

- Architecture
- User Guide
- Commands Reference
- NameNode HA With QJM
- NameNode HA With NFS
- Observer NameNode
- Federation
- ViewFs
- ViewFsOverloadScheme
- Snapshots
- Edits Viewer
- Image Viewer
- Permissions and HDFS
- Quotas and HDFS
- libhdfs (C API)
- WebHDFS (REST API)
- HttpFS
- Short Circuit Local Reads
- Centralized Cache Management
- NFS Gateway
- Rolling Upgrade
- Extended Attributes
- Transparent Encryption
- Multihoming
- Storage Policies
- Memory Storage Support
- Synthetic Load Generator
- Erasure Coding
- Disk Balancer
- Upgrade Domain
- DataNode Admin
- Router Federation
- Provided Storage

##### MapReduce

- Tutorial
- Commands Reference
- Compatibility with 1.x
- Encrypted Shuffle
- Pluggable Shuffle/Sort
- Distributed Cache Deploy
- Support for YARN Shared Cache

##### MapReduce REST APIs

- MR Application Master
- MR History Server

##### YARN

- Architecture
- Commands Reference
- Capacity Scheduler
- Fair Scheduler
- ResourceManager Restart
- ResourceManager HA
- Resource Model
- Node Labels
- Node Attributes
- Web Application Proxy
- Timeline Server
- Timeline Service V.2
- Writing YARN Applications
- YARN Application Security
- NodeManager
- Running Applications in Docker Containers
- Using CGroups
- Secure Containers
- Registry
- Reservation System
- Graceful Decommission
- Opportunistic Containers
- YARN Federation
- Shared Cache
- Using GPU
- Using FPGA
- Placement Constraints
- YARN UI2

##### YARN REST APIs

- Introduction
- Resource Manager
- Node Manager
- Timeline Server
- Timeline Service V.2

##### YARN Service

- Overview
- QuickStart
- Concepts
- Yarn Service API
- Service Discovery
- System Services

##### Submarine

- Index
- QuickStart
- Examples

##### Hadoop Compatible File Systems

- Aliyun OSS
- Amazon S3
- Azure Blob Storage
- Azure Data Lake Storage
- OpenStack Swift

##### Auth

- Overview
- Examples
- Configuration
- Building

##### Tools

- Hadoop Streaming
- Hadoop Archives
- Hadoop Archive Logs
- DistCp
- GridMix
- Rumen
- Resource Estimator Service
- Scheduler Load Simulator
- Hadoop Benchmarking

##### Reference

- Changelog and Release Notes
- Java API docs
- Unix Shell API
- Metrics

##### Configuration

- core-default.xml
- hdfs-default.xml
- hdfs-rbf-default.xml
- mapred-default.xml
- yarn-default.xml
- kms-default.xml
- httpfs-default.xml
- Deprecated Properties

# Apache Hadoop Changelog

## Release 3.2.3 - 2022-03-02

### NEW FEATURES:

JIRA | Summary | Priority | Component | Reporter | Contributor
--- | --- | --- | --- | --- | ---
HADOOP-15691 | Add PathCapabilities to FS and FC to complement StreamCapabilities | Major | . | Steve Loughran | Steve Loughran
HDFS-15711 | Add Metrics to HttpFS Server | Major | httpfs | Ahmed Hussein | Ahmed Hussein
HDFS-15759 | EC: Verify EC reconstruction correctness on DataNode | Major | datanode, ec, erasure-coding | Toshihiko Uchida | Toshihiko Uchida
HDFS-16337 | Show start time of Datanode on Web | Minor | . | tomscut | tomscut

### IMPROVEMENTS:

JIRA | Summary | Priority | Component | Reporter | Contributor
--- | --- | --- | --- | --- | ---
HADOOP-16052 | Remove Subversion and Forrest from Dockerfile | Minor | build | Akira Ajisaka | Xieming Li
YARN-9783 | Remove low-level zookeeper test to be able to build Hadoop against zookeeper 3.5.5 | Major | test | Mate Szalay-Beko | Mate Szalay-Beko
HADOOP-16717 | Remove GenericsUtil isLog4jLogger dependency on Log4jLoggerAdapter | Major | . | David Mollitor | Xieming Li
YARN-10036 | Install yarnpkg and upgrade nodejs in Dockerfile | Major | buid, yarn-ui-v2 | Akira Ajisaka | Akira Ajisaka
HADOOP-16811 | Use JUnit TemporaryFolder Rule in TestFileUtils | Minor | common, test | David Mollitor | David Mollitor
HDFS-15075 | Remove process command timing from BPServiceActor | Major | . | Íñigo Goiri | Xiaoqiao He
HADOOP-16054 | Update Dockerfile to use Bionic | Major | build, test | Akira Ajisaka | Akira Ajisaka
HDFS-15574 | Remove unnecessary sort of block list in DirectoryScanner | Major | . | Stephen O’Donnell | Stephen O’Donnell
HDFS-15583 | Backport DirectoryScanner improvements HDFS-14476, HDFS-14751 and HDFS-15048 to branch 3.2 and 3.1 | Major | datanode | Stephen O’Donnell | Stephen O’Donnell
HDFS-15567 | [SBN Read] HDFS should expose msync() API to allow downstream applications call it explicitly. | Major | ha, hdfs-client | Konstantin Shvachko | Konstantin Shvachko
HDFS-15633 | Avoid redundant RPC calls for getDiskStatus | Major | dfsclient | Ayush Saxena | Ayush Saxena
YARN-10450 | Add cpu and memory utilization per node and cluster-wide metrics | Minor | yarn | Jim Brennan | Jim Brennan
HDFS-15652 | Make block size from NNThroughputBenchmark configurable | Minor | benchmarks | Hui Fei | Hui Fei
YARN-10475 | Scale RM-NM heartbeat interval based on node utilization | Minor | yarn | Jim Brennan | Jim Brennan
HDFS-15665 | Balancer logging improvement | Major | balancer & mover | Konstantin Shvachko | Konstantin Shvachko
HADOOP-17342 | Creating a token identifier should not do kerberos name resolution | Major | common | Jim Brennan | Jim Brennan
YARN-10479 | RMProxy should retry on SocketTimeout Exceptions | Major | yarn | Jim Brennan | Jim Brennan
HDFS-15623 | Respect configured values of rpc.engine | Major | hdfs | Hector Sandoval Chaverri | Hector Sandoval Chaverri
HDFS-14395 | Remove WARN Logging From Interrupts in DataStreamer | Minor | hdfs-client | David Mollitor | David Mollitor
HADOOP-17367 | Add InetAddress api to ProxyUsers.authorize | Major | performance, security | Ahmed Hussein | Ahmed Hussein
HDFS-15694 | Avoid calling UpdateHeartBeatState inside DataNodeDescriptor | Major | . | Ahmed Hussein | Ahmed Hussein
HDFS-15703 | Don’t generate edits for set operations that are no-op | Major | namenode | Ahmed Hussein | Ahmed Hussein
HADOOP-17392 | Remote exception messages should not include the exception class | Major | ipc | Ahmed Hussein | Ahmed Hussein
HDFS-15706 | HttpFS: Log more information on request failures | Major | httpfs | Ahmed Hussein | Ahmed Hussein
HADOOP-17389 | KMS should log full UGI principal | Major | . | Ahmed Hussein | Ahmed Hussein
HDFS-15720 | namenode audit async logger should add some log4j config | Minor | hdfs | Max Xie |
HDFS-15704 | Mitigate lease monitor’s rapid infinite loop | Major | namenode | Ahmed Hussein | Ahmed Hussein
HDFS-15751 | Add documentation for msync() API to filesystem.md | Major | documentation | Konstantin Shvachko | Konstantin Shvachko
YARN-10538 | Add recommissioning nodes to the list of updated nodes returned to the AM | Major | . | Srinivas S T | Srinivas S T
YARN-4589 | Diagnostics for localization timeouts is lacking | Major | . | Chang Li | Chang Li
YARN-10562 | Follow up changes for YARN-9833 | Major | yarn | Jim Brennan | Jim Brennan
HDFS-15783 | Speed up BlockPlacementPolicyRackFaultTolerant#verifyBlockPlacement | Major | block placement | Akira Ajisaka | Akira Ajisaka
HADOOP-17478 | Improve the description of hadoop.http.authentication.signature.secret.file | Minor | documentation | Akira Ajisaka | Akira Ajisaka
HDFS-15789 | Lease renewal does not require namesystem lock | Major | hdfs | Jim Brennan | Jim Brennan
HADOOP-17501 | Fix logging typo in ShutdownHookManager | Major | common | Konstantin Shvachko | Fengnan Li
HADOOP-17354 | Move Jenkinsfile outside of the root directory | Major | build | Akira Ajisaka | Akira Ajisaka
HDFS-15799 | Make DisallowedDatanodeException terse | Minor | hdfs | Richard | Richard
HDFS-15813 | DataStreamer: keep sending heartbeat packets while streaming | Major | hdfs | Jim Brennan | Jim Brennan
MAPREDUCE-7319 | Log list of mappers at trace level in ShuffleHandler audit log | Minor | yarn | Jim Brennan | Jim Brennan
HDFS-15821 | Add metrics for in-service datanodes | Minor | . | Zehao Chen | Zehao Chen
YARN-10626 | Log resource allocation in NM log at container start time | Major | . | Eric Badger | Eric Badger
HDFS-15815 | if required storageType are unavailable, log the failed reason during choosing Datanode | Minor | block placement | Yang Yun | Yang Yun
HDFS-15826 | Solve the problem of incorrect progress of delegation tokens when loading FsImage | Major | . | JiangHua Zhu | JiangHua Zhu
HDFS-15734 | [READ] DirectoryScanner#scan need not check StorageType.PROVIDED | Minor | datanode | Yuxuan Wang | Yuxuan Wang
HADOOP-17538 | Add kms-default.xml and httpfs-default.xml to site index | Minor | documentation | Masatake Iwasaki | Masatake Iwasaki
YARN-10613 | Config to allow Intra- and Inter-queue preemption to enable/disable conservativeDRF | Minor | capacity scheduler, scheduler preemption | Eric Payne | Eric Payne
YARN-10653 | Fixed the findbugs issues introduced by YARN-10647. | Major | . | Qi Zhu | Qi Zhu
MAPREDUCE-7324 | ClientHSSecurityInfo class is in wrong META-INF file | Major | . | Eric Badger | Eric Badger
HADOOP-17546 | Update Description of hadoop-http-auth-signature-secret in HttpAuthentication.md | Minor | . | Ravuri Sushma sree | Ravuri Sushma sree
YARN-10664 | Allow parameter expansion in NM_ADMIN_USER_ENV | Major | yarn | Jim Brennan | Jim Brennan
HADOOP-17570 | Apply YETUS-1102 to re-enable GitHub comments | Major | build | Akira Ajisaka | Akira Ajisaka
HADOOP-17594 | DistCp: Expose the JobId for applications executing through run method | Major | . | Ayush Saxena | Ayush Saxena
HDFS-15911 | Provide blocks moved count in Balancer iteration result | Major | balancer & mover | Viraj Jasani | Viraj Jasani
HDFS-15919 | BlockPoolManager should log stack trace if unable to get Namenode addresses | Major | datanode | Stephen O’Donnell | Stephen O’Donnell
HADOOP-16870 | Use spotbugs-maven-plugin instead of findbugs-maven-plugin | Major | build | Akira Ajisaka | Akira Ajisaka
HDFS-15932 | Improve the balancer error message when process exits abnormally. | Major | . | Renukaprasad C | Renukaprasad C
HDFS-15931 | Fix non-static inner classes for better memory management | Major | . | Viraj Jasani | Viraj Jasani
HDFS-15942 | Increase Quota initialization threads | Major | namenode | Stephen O’Donnell | Stephen O’Donnell
HDFS-15937 | Reduce memory used during datanode layout upgrade | Major | datanode | Stephen O’Donnell | Stephen O’Donnell
HADOOP-17569 | Building native code fails on Fedora 33 | Major | build, common | Kengo Seki | Masatake Iwasaki
HADOOP-17633 | Bump json-smart to 2.4.2 and nimbus-jose-jwt to 9.8 due to CVEs | Major | auth, build | helen huang | Viraj Jasani
HADOOP-16822 | Provide source artifacts for hadoop-client-api | Major | . | Karel Kolman | Karel Kolman
HADOOP-17680 | Allow ProtobufRpcEngine to be extensible | Major | common | Hector Sandoval Chaverri | Hector Sandoval Chaverri
YARN-10123 | Error message around yarn app -stop/start can be improved to highlight that an implementation at framework level is needed for the stop/start functionality to work | Minor | client, documentation | Siddharth Ahuja | Siddharth Ahuja
HADOOP-17756 | Increase precommit job timeout from 20 hours to 24 hours. | Major | build | Takanobu Asanuma | Takanobu Asanuma
HDFS-16073 | Remove redundant RPC requests for getFileLinkInfo in ClientNamenodeProtocolTranslatorPB | Minor | . | lei w | lei w
HDFS-16074 | Remove an expensive debug string concatenation | Major | . | Wei-Chiu Chuang | Wei-Chiu Chuang
HDFS-15150 | Introduce read write lock to Datanode | Major | datanode | Stephen O’Donnell | Stephen O’Donnell
YARN-10834 | Intra-queue preemption: apps that don’t use defined custom resource won’t be preempted. | Major | . | Eric Payne | Eric Payne
HADOOP-17749 | Remove lock contention in SelectorPool of SocketIOWithTimeout | Major | common | Xuesen Liang | Xuesen Liang
HADOOP-17775 | Remove JavaScript package from Docker environment | Major | build | Masatake Iwasaki | Masatake Iwasaki
HADOOP-17794 | Add a sample configuration to use ZKDelegationTokenSecretManager in Hadoop KMS | Major | documentation, kms, security | Akira Ajisaka | Akira Ajisaka
HADOOP-12665 | Document hadoop.security.token.service.use_ip | Major | documentation | Arpit Agarwal | Akira Ajisaka
YARN-10456 | RM PartitionQueueMetrics records are named QueueMetrics in Simon metrics registry | Major | resourcemanager | Eric Payne | Eric Payne
HDFS-15650 | Make the socket timeout for computing checksum of striped blocks configurable | Minor | datanode, ec, erasure-coding | Yushi Hayasaka | Yushi Hayasaka
YARN-10858 | [UI2] YARN-10826 breaks Queue view | Major | yarn-ui-v2 | Andras Gyori | Masatake Iwasaki
YARN-10860 | Make max container per heartbeat configs refreshable | Major | . | Eric Badger | Eric Badger
HADOOP-17813 | Checkstyle - Allow line length: 100 | Major | . | Akira Ajisaka | Viraj Jasani
HADOOP-17819 | Add extensions to ProtobufRpcEngine RequestHeaderProto | Major | common | Hector Sandoval Chaverri | Hector Sandoval Chaverri
HDFS-16153 | Avoid evaluation of LOG.debug statement in QuorumJournalManager | Trivial | . | wangzhaohui | wangzhaohui
HDFS-16154 | TestMiniJournalCluster failing intermittently because of not reseting UserGroupInformation completely | Minor | . | wangzhaohui | wangzhaohui
HADOOP-17849 | Exclude spotbugs-annotations from transitive dependencies on branch-3.2 | Major | . | Masatake Iwasaki | Masatake Iwasaki
HDFS-16173 | Improve CopyCommands#Put#executor queue configurability | Major | fs | JiangHua Zhu | JiangHua Zhu
HDFS-15160 | ReplicaMap, Disk Balancer, Directory Scanner and various FsDatasetImpl methods should use datanode readlock | Major | datanode | Stephen O’Donnell | Stephen O’Donnell
HDFS-14997 | BPServiceActor processes commands from NameNode asynchronously | Major | datanode | Xiaoqiao He | Xiaoqiao He
HDFS-16241 | Standby close reconstruction thread | Major | . | zhanghuazong | zhanghuazong
HDFS-16286 | Debug tool to verify the correctness of erasure coding on file | Minor | erasure-coding, tools | daimin | daimin
HADOOP-17998 | Allow get command to run with multi threads. | Major | fs | Chengwei Wang | Chengwei Wang
HADOOP-18023 | Allow cp command to run with multi threads. | Major | fs | Chengwei Wang | Chengwei Wang
HADOOP-17643 | WASB : Make metadata checks case insensitive | Major | . | Anoop Sam John | Anoop Sam John
HDFS-16386 | Reduce DataNode load when FsDatasetAsyncDiskService is working | Major | datanode | JiangHua Zhu | JiangHua Zhu
HDFS-16430 | Validate maximum blocks in EC group when adding an EC policy | Minor | ec, erasure-coding | daimin | daimin
HDFS-16403 | Improve FUSE IO performance by supporting FUSE parameter max_background | Minor | fuse-dfs | daimin | daimin
HADOOP-18093 | Better exception handling for testFileStatusOnMountLink() in ViewFsBaseTest.java | Trivial | . | Xing Lin | Xing Lin
HADOOP-18155 | Refactor tests in TestFileUtil | Trivial | common | Gautham Banasandra | Gautham Banasandra

### BUG FIXES:

JIRA | Summary | Priority | Component | Reporter | Contributor
--- | --- | --- | --- | --- | ---
HADOOP-15939 | Filter overlapping objenesis class in hadoop-client-minicluster | Minor | build | Xiaoyu Yao | Xiaoyu Yao
YARN-8936 | Bump up Atsv2 hbase versions | Major | . | Rohith Sharma K S | Vrushali C
HDFS-14189 | Fix intermittent failure of TestNameNodeMetrics | Major | . | Ayush Saxena | Ayush Saxena
YARN-9246 | NPE when executing a command yarn node -status or -states without additional arguments | Minor | client | Masahiro Tanaka | Masahiro Tanaka
YARN-7266 | Timeline Server event handler threads locked | Major | ATSv2, timelineserver | Venkata Puneet Ravuri | Prabhu Joseph
YARN-9990 | Testcase fails with “Insufficient configured threads: required=16 < max=10” | Major | . | Prabhu Joseph | Prabhu Joseph
YARN-10020 | Fix build instruction of hadoop-yarn-ui | Minor | yarn-ui-v2 | Masatake Iwasaki | Masatake Iwasaki
YARN-10037 | Upgrade build tools for YARN Web UI v2 | Major | build, security, yarn-ui-v2 | Akira Ajisaka | Masatake Iwasaki
HDFS-15187 | CORRUPT replica mismatch between namenodes after failover | Critical | . | Ayush Saxena | Ayush Saxena
HDFS-15200 | Delete Corrupt Replica Immediately Irrespective of Replicas On Stale Storage | Critical | . | Ayush Saxena | Ayush Saxena
HDFS-15113 | Missing IBR when NameNode restart if open processCommand async feature | Blocker | datanode | Xiaoqiao He | Xiaoqiao He
HDFS-15210 | EC : File write hanged when DN is shutdown by admin command. | Major | ec | Surendra Singh Lilhore | Surendra Singh Lilhore
HADOOP-16768 | SnappyCompressor test cases wrongly assume that the compressed data is always smaller than the input data | Major | io, test | zhao bo | Akira Ajisaka
HDFS-11041 | Unable to unregister FsDatasetState MBean if DataNode is shutdown twice | Trivial | datanode | Wei-Chiu Chuang | Wei-Chiu Chuang
HADOOP-17068 | client fails forever when namenode ipaddr changed | Major | hdfs-client | Sean Chow | Sean Chow
HDFS-15378 | TestReconstructStripedFile#testErasureCodingWorkerXmitsWeight is failing on trunk | Major | . | Hemanth Boyina | Hemanth Boyina
YARN-10331 | Upgrade node.js to 10.21.0 | Critical | build, yarn-ui-v2 | Akira Ajisaka | Akira Ajisaka
HADOOP-17119 | Jetty upgrade to 9.4.x causes MR app fail with IOException | Major | . | Bilwa S T | Bilwa S T
HADOOP-17138 | Fix spotbugs warnings surfaced after upgrade to 4.0.6 | Minor | . | Masatake Iwasaki | Masatake Iwasaki
HDFS-15439 | Setting dfs.mover.retry.max.attempts to negative value will retry forever. | Major | balancer & mover | AMC-team | AMC-team
YARN-10430 | Log improvements in NodeStatusUpdaterImpl | Minor | nodemanager | Bilwa S T | Bilwa S T
HDFS-15438 | Setting dfs.disk.balancer.max.disk.errors = 0 will fail the block copy | Major | balancer & mover | AMC-team | AMC-team
YARN-10438 | Handle null containerId in ClientRMService#getContainerReport() | Major | resourcemanager | Raghvendra Singh | Shubham Gupta
HDFS-15628 | HttpFS server throws NPE if a file is a symlink | Major | fs, httpfs | Ahmed Hussein | Ahmed Hussein
HDFS-15627 | Audit log deletes before collecting blocks | Major | logging, namenode | Ahmed Hussein | Ahmed Hussein
HADOOP-17309 | Javadoc warnings and errors are ignored in the precommit jobs | Major | build, documentation | Akira Ajisaka | Akira Ajisaka
HADOOP-17310 | Touch command with -c option is broken | Major | . | Ayush Saxena | Ayush Saxena
HDFS-15639 | [JDK 11] Fix Javadoc errors in hadoop-hdfs-client | Major | . | Takanobu Asanuma | Takanobu Asanuma
HDFS-15622 | Deleted blocks linger in the replications queue | Major | hdfs | Ahmed Hussein | Ahmed Hussein
HDFS-15641 | DataNode could meet deadlock if invoke refreshNameNode | Critical | . | Hongbing Wang | Hongbing Wang
MAPREDUCE-7302 | Upgrading to JUnit 4.13 causes testcase TestFetcher.testCorruptedIFile() to fail | Major | test | Peter Bacsko | Peter Bacsko
HDFS-15644 | Failed volumes can cause DNs to stop block reporting | Major | block placement, datanode | Ahmed Hussein | Ahmed Hussein
HADOOP-17236 | Bump up snakeyaml to 1.26 to mitigate CVE-2017-18640 | Major | . | Brahma Reddy Battula | Brahma Reddy Battula
YARN-10467 | ContainerIdPBImpl objects can be leaked in RMNodeImpl.completedContainers | Major | resourcemanager | Haibo Chen | Haibo Chen
HADOOP-17329 | mvn site commands fails due to MetricsSystemImpl changes | Major | . | Xiaoqiao He | Xiaoqiao He
HDFS-15651 | Client could not obtain block when DN CommandProcessingThread exit | Major | . | Yiqun Lin | Mingxiang Li
HADOOP-17340 | TestLdapGroupsMapping failing -string mismatch in exception validation | Major | test | Steve Loughran | Steve Loughran
HADOOP-17352 | Update PATCH_NAMING_RULE in the personality file | Minor | build | Akira Ajisaka | Akira Ajisaka
HDFS-15485 | Fix outdated properties of JournalNode when performing rollback | Minor | . | Deegue | Deegue
HADOOP-17358 | Improve excessive reloading of Configurations | Major | conf | Ahmed Hussein | Ahmed Hussein
HDFS-15538 | Fix the documentation for dfs.namenode.replication.max-streams in hdfs-default.xml | Major | . | Xieming Li | Xieming Li
HADOOP-17362 | Doing hadoop ls on Har file triggers too many RPC calls | Major | fs | Ahmed Hussein | Ahmed Hussein
YARN-10485 | TimelineConnector swallows InterruptedException | Major | . | Ahmed Hussein | Ahmed Hussein
HADOOP-17360 | Log the remote address for authentication success | Minor | ipc | Ahmed Hussein | Ahmed Hussein
HADOOP-17346 | Fair call queue is defeated by abusive service principals | Major | common, ipc | Ahmed Hussein | Ahmed Hussein
YARN-10470 | When building new web ui with root user, the bower install should support it. | Major | build, yarn-ui-v2 | Qi Zhu | Qi Zhu
YARN-10498 | Fix Yarn CapacityScheduler Markdown document | Trivial | documentation | zhaoshengjie | zhaoshengjie
HDFS-15695 | NN should not let the balancer run in safemode | Major | namenode | Ahmed Hussein | Ahmed Hussein
YARN-10511 | Update yarn.nodemanager.env-whitelist value in docs | Minor | documentation | Andrea Scarpino | Andrea Scarpino
HDFS-15707 | NNTop counts don’t add up as expected | Major | hdfs, metrics, namenode | Ahmed Hussein | Ahmed Hussein
HDFS-15709 | EC: Socket file descriptor leak in StripedBlockChecksumReconstructor | Major | datanode, ec, erasure-coding | Yushi Hayasaka | Yushi Hayasaka
YARN-10491 | Fix deprecation warnings in SLSWebApp.java | Minor | build | Akira Ajisaka | Ankit Kumar
HADOOP-13571 | ServerSocketUtil.getPort() should use loopback address, not 0.0.0.0 | Major | . | Eric Badger | Eric Badger
HDFS-15725 | Lease Recovery never completes for a committed block which the DNs never finalize | Major | namenode | Stephen O’Donnell | Stephen O’Donnell
HDFS-15170 | EC: Block gets marked as CORRUPT in case of failover and pipeline recovery | Critical | erasure-coding | Ayush Saxena | Ayush Saxena
HDFS-15719 | [Hadoop 3] Both NameNodes can crash simultaneously due to the short JN socket timeout | Critical | . | Wei-Chiu Chuang | Wei-Chiu Chuang
YARN-10560 | Upgrade node.js to 10.23.1 and yarn to 1.22.5 in Web UI v2 | Major | webapp, yarn-ui-v2 | Akira Ajisaka | Akira Ajisaka
YARN-10528 | maxAMShare should only be accepted for leaf queues, not parent queues | Major | . | Siddharth Ahuja | Siddharth Ahuja
HADOOP-17438 | Increase docker memory limit in Jenkins | Major | build, scripts, test, yetus | Ahmed Hussein | Ahmed Hussein
MAPREDUCE-7310 | Clear the fileMap in JHEventHandlerForSigtermTest | Minor | test | Zhengxi Li | Zhengxi Li
HADOOP-16947 | Stale record should be remove when MutableRollingAverages generating aggregate data. | Major | . | Haibin Huang | Haibin Huang
HDFS-15632 | AbstractContractDeleteTest should set recursive parameter to true for recursive test cases. | Major | . | Konstantin Shvachko | Anton Kutuzov
HDFS-10498 | Intermittent test failure org.apache.hadoop.hdfs.server.namenode.snapshot.TestSnapshotFileLength.testSnapshotfileLength | Major | hdfs, snapshots | Hanisha Koneru | Jim Brennan
HADOOP-17506 | Fix typo in BUILDING.txt | Trivial | documentation | Gautham Banasandra | Gautham Banasandra
HDFS-15795 | EC: Wrong checksum when reconstruction was failed by exception | Major | datanode, ec, erasure-coding | Yushi Hayasaka | Yushi Hayasaka
HDFS-15779 | EC: fix NPE caused by StripedWriter.clearBuffers during reconstruct block | Major | . | Hongbing Wang | Hongbing Wang
HDFS-15798 | EC: Reconstruct task failed, and It would be XmitsInProgress of DN has negative number | Major | . | Haiyang Hu | Haiyang Hu
YARN-10428 | Zombie applications in the YARN queue using FAIR + sizebasedweight | Critical | capacityscheduler | Guang Yang | Andras Gyori
YARN-10607 | User environment is unable to prepend PATH when mapreduce.admin.user.env also sets PATH | Major | . | Eric Badger | Eric Badger
HADOOP-17516 | Upgrade ant to 1.10.9 | Major | . | Akira Ajisaka | Akira Ajisaka
YARN-10500 | TestDelegationTokenRenewer fails intermittently | Major | test | Akira Ajisaka | Masatake Iwasaki
HADOOP-17534 | Upgrade Jackson databind to 2.10.5.1 | Major | build | Adam Roberts | Akira Ajisaka
MAPREDUCE-7323 | Remove job_history_summary.py | Major | . | Akira Ajisaka | Akira Ajisaka
YARN-10647 | Fix TestRMNodeLabelsManager failed after YARN-10501. | Major | . | Qi Zhu | Qi Zhu
HADOOP-17510 | Hadoop prints sensitive Cookie information. | Major | . | Renukaprasad C | Renukaprasad C
HDFS-15422 | Reported IBR is partially replaced with stored info when queuing. | Critical | namenode | Kihwal Lee | Stephen O’Donnell
YARN-10651 | CapacityScheduler crashed with NPE in AbstractYarnScheduler.updateNodeResource() | Major | . | Haibo Chen | Haibo Chen
MAPREDUCE-7320 | ClusterMapReduceTestCase does not clean directories | Major | . | Ahmed Hussein | Ahmed Hussein
HDFS-14013 | Skip any credentials stored in HDFS when starting ZKFC | Major | hdfs | Krzysztof Adamski | Stephen O’Donnell
HDFS-15849 | ExpiredHeartbeats metric should be of Type.COUNTER | Major | metrics | Konstantin Shvachko | Qi Zhu
YARN-10672 | All testcases in TestReservations are flaky | Major | . | Szilard Nemeth | Szilard Nemeth
HADOOP-17557 | skip-dir option is not processed by Yetus | Major | build, precommit, yetus | Ahmed Hussein | Ahmed Hussein
HDFS-15875 | Check whether file is being truncated before truncate | Major | . | Hui Fei | Hui Fei
HADOOP-17582 | Replace GitHub App Token with GitHub OAuth token | Major | build | Akira Ajisaka | Akira Ajisaka
YARN-10687 | Add option to disable/enable free disk space checking and percentage checking for full and not-full disks | Major | nodemanager | Qi Zhu | Qi Zhu
HADOOP-17586 | Upgrade org.codehaus.woodstox:stax2-api to 4.2.1 | Major | . | Ayush Saxena | Ayush Saxena
HADOOP-17585 | Correct timestamp format in the docs for the touch command | Major | . | Stephen O’Donnell | Stephen O’Donnell
YARN-10588 | Percentage of queue and cluster is zero in WebUI | Major | . | Bilwa S T | Bilwa S T
MAPREDUCE-7322 | revisiting TestMRIntermediateDataEncryption | Major | job submission, security, test | Ahmed Hussein | Ahmed Hussein
HADOOP-17592 | Fix the wrong CIDR range example in Proxy User documentation | Minor | documentation | Kwangsun Noh | Kwangsun Noh
YARN-10706 | Upgrade com.github.eirslett:frontend-maven-plugin to 1.11.2 | Major | buid | Mingliang Liu | Mingliang Liu
MAPREDUCE-7325 | Intermediate data encryption is broken in LocalJobRunner | Major | job submission, security | Ahmed Hussein | Ahmed Hussein
YARN-10697 | Resources are displayed in bytes in UI for schedulers other than capacity | Major | . | Bilwa S T | Bilwa S T
HADOOP-17602 | Upgrade JUnit to 4.13.1 | Major | build, security, test | Ahmed Hussein | Ahmed Hussein
HDFS-15900 | RBF: empty blockpool id on dfsrouter caused by UNAVAILABLE NameNode | Major | rbf | Harunobu Daikoku | Harunobu Daikoku
YARN-10501 | Can’t remove all node labels after add node label without nodemanager port | Critical | yarn | caozhiqiang | caozhiqiang
YARN-10716 | Fix typo in ContainerRuntime | Trivial | documentation | Wanqiang Ji | xishuhai
HDFS-15950 | Remove unused hdfs.proto import | Major | hdfs-client | Gautham Banasandra | Gautham Banasandra
HDFS-15949 | Fix integer overflow | Major | libhdfs++ | Gautham Banasandra | Gautham Banasandra
HDFS-15948 | Fix test4tests for libhdfspp | Critical | build, libhdfs++ | Gautham Banasandra | Gautham Banasandra
HADOOP-17608 | Fix TestKMS failure | Major | kms | Akira Ajisaka | Akira Ajisaka
YARN-10460 | Upgrading to JUnit 4.13 causes tests in TestNodeStatusUpdater to fail | Major | nodemanager, test | Peter Bacsko | Peter Bacsko
HADOOP-17641 | ITestWasbUriAndConfiguration.testCanonicalServiceName() failing now mockaccount exists | Minor | fs/azure, test | Steve Loughran | Steve Loughran
HADOOP-17655 | Upgrade Jetty to 9.4.40 | Blocker | . | Akira Ajisaka | Akira Ajisaka
YARN-10749 | Can’t remove all node labels after add node label without nodemanager port, broken by YARN-10647 | Major | . | D M Murali Krishna Reddy | D M Murali Krishna Reddy
HDFS-15621 | Datanode DirectoryScanner uses excessive memory | Major | datanode | Stephen O’Donnell | Stephen O’Donnell
YARN-10756 | Remove additional junit 4.11 dependency from javadoc | Major | build, test, timelineservice | ANANDA G B | Akira Ajisaka
YARN-10555 | Missing access check before getAppAttempts | Critical | webapp | lujie | lujie
HADOOP-17703 | checkcompatibility.py errors out when specifying annotations | Major | . | Wei-Chiu Chuang | Wei-Chiu Chuang
HADOOP-14922 | Build of Mapreduce Native Task module fails with unknown opcode “bswap” | Major | . | Anup Halarnkar | Anup Halarnkar
HADOOP-17718 | Explicitly set locale in the Dockerfile | Blocker | build | Wei-Chiu Chuang | Wei-Chiu Chuang
HADOOP-17700 | ExitUtil#halt info log should log HaltException | Major | . | Viraj Jasani | Viraj Jasani
YARN-10770 | container-executor permission is wrong in SecureContainer.md | Major | documentation | Akira Ajisaka | Siddharth Ahuja
HDFS-15915 | Race condition with async edits logging due to updating txId outside of the namesystem log | Major | hdfs, namenode | Konstantin Shvachko | Konstantin Shvachko
HDFS-16040 | RpcQueueTime metric counts requeued calls as unique events. | Major | hdfs | Simbarashe Dzinamarira | Simbarashe Dzinamarira
YARN-10809 | testWithHbaseConfAtHdfsFileSystem consistently failing | Major | . | Viraj Jasani | Viraj Jasani
HDFS-16055 | Quota is not preserved in snapshot INode | Major | hdfs | Siyao Meng | Siyao Meng
HDFS-16068 | WebHdfsFileSystem has a possible connection leak in connection with HttpFS | Major | . | Takanobu Asanuma | Takanobu Asanuma
YARN-10767 | Yarn Logs Command retrying on Standby RM for 30 times | Major | . | D M Murali Krishna Reddy | D M Murali Krishna Reddy
HDFS-15618 | Improve datanode shutdown latency | Major | datanode | Ahmed Hussein | Ahmed Hussein
HADOOP-17760 | Delete hadoop.ssl.enabled and dfs.https.enable from docs and core-default.xml | Major | documentation | Takanobu Asanuma | Takanobu Asanuma
HDFS-13671 | Namenode deletes large dir slowly caused by FoldedTreeSet#removeAndGet | Major | . | Yiqun Lin | Haibin Huang
HDFS-16061 | DFTestUtil.waitReplication can produce false positives | Major | hdfs | Ahmed Hussein | Ahmed Hussein
HDFS-14575 | LeaseRenewer#daemon threads leak in DFSClient | Major | . | Tao Yang | Renukaprasad C
YARN-10826 | [UI2] Upgrade Node.js to at least v12.22.1 | Major | yarn-ui-v2 | Akira Ajisaka | Masatake Iwasaki
YARN-10828 | Backport YARN-9789 to branch-3.2 | Major | . | Tarun Parimi | Tarun Parimi
HADOOP-17769 | Upgrade JUnit to 4.13.2 | Major | . | Ahmed Hussein | Ahmed Hussein
YARN-10824 | Title not set for JHS and NM webpages | Major | . | Rajshree Mishra | Bilwa S T
HDFS-16092 | Avoid creating LayoutFlags redundant objects | Major | . | Viraj Jasani | Viraj Jasani
HDFS-16108 | Incorrect log placeholders used in JournalNodeSyncer | Minor | . | Viraj Jasani | Viraj Jasani
MAPREDUCE-7353 | Mapreduce job fails when NM is stopped | Major | . | Bilwa S T | Bilwa S T
HDFS-16121 | Iterative snapshot diff report can generate duplicate records for creates, deletes and Renames | Major | snapshots | Srinivasu Majeti | Shashikant Banerjee
HDFS-15796 | ConcurrentModificationException error happens on NameNode occasionally | Critical | hdfs | Daniel Ma | Daniel Ma
HADOOP-17793 | Better token validation | Major | . | Artem Smotrakov | Artem Smotrakov
HDFS-16042 | DatanodeAdminMonitor scan should be delay based | Major | datanode | Ahmed Hussein | Ahmed Hussein
HDFS-16127 | Improper pipeline close recovery causes a permanent write failure or data loss. | Major | . | Kihwal Lee | Kihwal Lee
HADOOP-17028 | ViewFS should initialize target filesystems lazily | Major | client-mounts, fs, viewfs | Uma Maheswara Rao G | Abhishek Das
HDFS-12920 | HDFS default value change (with adding time unit) breaks old version MR tarball work with Hadoop 3.x | Critical | configuration, hdfs | Junping Du | Akira Ajisaka
YARN-10813 | Set default capacity of root for node labels | Major | . | Andras Gyori | Andras Gyori
YARN-9551 | TestTimelineClientV2Impl.testSyncCall fails intermittently | Minor | ATSv2, test | Prabhu Joseph | Andras Gyori
HDFS-15175 | Multiple CloseOp shared block instance causes the standby namenode to crash when rolling editlog | Critical | . | Yicong Cai | Wan Chang
YARN-10789 | RM HA startup can fail due to race conditions in ZKConfigurationStore | Major | . | Tarun Parimi | Tarun Parimi
YARN-6221 | Entities missing from ATS when summary log file info got returned to the ATS before the domain log | Critical | yarn | Sushmitha Sreenivasan | Xiaomin Zhang
MAPREDUCE-7258 | HistoryServerRest.html#Task_Counters_API, modify the jobTaskCounters’s itemName from “taskcounterGroup” to “taskCounterGroup”. | Minor | documentation | jenny | jenny
YARN-8990 | Fix fair scheduler race condition in app submit and queue cleanup | Blocker | fairscheduler | Wilfred Spiegelenburg | Wilfred Spiegelenburg
YARN-8992 | Fair scheduler can delete a dynamic queue while an application attempt is being added to the queue | Major | fairscheduler | Haibo Chen | Wilfred Spiegelenburg
HADOOP-17370 | Upgrade commons-compress to 1.21 | Major | common | Dongjoon Hyun | Akira Ajisaka
HADOOP-17844 | Upgrade JSON smart to 2.4.7 | Major | . | Renukaprasad C | Renukaprasad C
HADOOP-17850 | Upgrade ZooKeeper to 3.4.14 in branch-3.2 | Major | . | Akira Ajisaka | Masatake Iwasaki
HDFS-16177 | Bug fix for Util#receiveFile | Minor | . | tomscut | tomscut
YARN-10814 | YARN shouldn’t start with empty hadoop.http.authentication.signature.secret.file | Major | . | Benjamin Teke | Tamas Domok
HADOOP-17858 | Avoid possible class loading deadlock with VerifierNone initialization | Major | . | Viraj Jasani | Viraj Jasani
HADOOP-17886 | Upgrade ant to 1.10.11 | Major | . | Ahmed Hussein | Ahmed Hussein
YARN-10901 | Permission checking error on an existing directory in LogAggregationFileController#verifyAndCreateRemoteLogDir | Major | nodemanager | Tamas Domok | Tamas Domok
HDFS-16187 | SnapshotDiff behaviour with Xattrs and Acls is not consistent across NN restarts with checkpointing | Major | snapshots | Srinivasu Majeti | Shashikant Banerjee
HDFS-16198 | Short circuit read leaks Slot objects when InvalidToken exception is thrown | Major | . | Eungsop Yoo | Eungsop Yoo
HADOOP-17917 | Backport HADOOP-15993 to branch-3.2 which address CVE-2014-4611 | Major | . | Brahma Reddy Battula | Brahma Reddy Battula
HDFS-16233 | Do not use exception handler to implement copy-on-write for EnumCounters | Major | namenode | Wei-Chiu Chuang | Wei-Chiu Chuang
HDFS-16235 | Deadlock in LeaseRenewer for static remove method | Major | hdfs | angerszhu | angerszhu
HADOOP-17940 | Upgrade Kafka to 2.8.1 | Major | . | Takanobu Asanuma | Takanobu Asanuma
HDFS-16272 | Int overflow in computing safe length during EC block recovery | Critical | 3.1.1 | daimin | daimin
HADOOP-17971 | Exclude IBM Java security classes from being shaded/relocated | Major | build | Nicholas Marion | Nicholas Marion
HADOOP-17972 | Backport HADOOP-17683 for branch-3.2 | Major | security | Ananya Singh | Ananya Singh
HADOOP-17993 | Disable JIRA plugin for YETUS on Hadoop | Critical | build | Gautham Banasandra | Gautham Banasandra
HDFS-16182 | numOfReplicas is given the wrong value in BlockPlacementPolicyDefault$chooseTarget can cause DataStreamer to fail with Heterogeneous Storage | Major | namanode | Max Xie | Max Xie
HDFS-16350 | Datanode start time should be set after RPC server starts successfully | Minor | . | Viraj Jasani | Viraj Jasani
HADOOP-13500 | Synchronizing iteration of Configuration properties object | Major | conf | Jason Darrell Lowe | Dhananjay Badaya
HDFS-16317 | Backport HDFS-14729 for branch-3.2 | Major | security | Ananya Singh | Ananya Singh
HDFS-14099 | Unknown frame descriptor when decompressing multiple frames in ZStandardDecompressor | Major | . | xuzq | xuzq
HDFS-16410 | Insecure Xml parsing in OfflineEditsXmlLoader | Minor | . | Ashutosh Gupta | Ashutosh Gupta
HDFS-16420 | Avoid deleting unique data blocks when deleting redundancy striped blocks | Critical | ec, erasure-coding | qinyuren | Jackson Wang
HDFS-16428 | Source path with storagePolicy cause wrong typeConsumed while rename | Major | hdfs, namenode | lei w | lei w
HDFS-16437 | ReverseXML processor doesn’t accept XML files without the SnapshotDiffSection. | Critical | hdfs | yanbin.zhang | yanbin.zhang
HDFS-16422 | Fix thread safety of EC decoding during concurrent preads | Critical | dfsclient, ec, erasure-coding | daimin | daimin

### TESTS:

JIRA | Summary | Priority | Component | Reporter | Contributor
--- | --- | --- | --- | --- | ---
YARN-9338 | Timeline related testcases are failing | Major | . | Prabhu Joseph | Abhishek Modi
HDFS-15092 | TestRedudantBlocks#testProcessOverReplicatedAndRedudantBlock sometimes fails | Minor | test | Hui Fei | Hui Fei

### SUB-TASKS:

JIRA | Summary | Priority | Component | Reporter | Contributor
--- | --- | --- | --- | --- | ---
HADOOP-15775 | [JDK9] Add missing javax.activation-api dependency | Critical | test | Akira Ajisaka | Akira Ajisaka
YARN-9875 | FSSchedulerConfigurationStore fails to update with hdfs path | Major | capacityscheduler | Prabhu Joseph | Prabhu Joseph
HADOOP-16764 | Rewrite Python example codes using Python3 | Minor | documentation | Kengo Seki | Kengo Seki
HADOOP-16905 | Update jackson-databind to 2.10.3 to relieve us from the endless CVE patches | Major | . | Wei-Chiu Chuang | Wei-Chiu Chuang
YARN-10337 | TestRMHATimelineCollectors fails on hadoop trunk | Major | test, yarn | Ahmed Hussein | Bilwa S T
HDFS-15464 | ViewFsOverloadScheme should work when -fs option pointing to remote cluster without mount links | Major | viewfsOverloadScheme | Uma Maheswara Rao G | Uma Maheswara Rao G
HDFS-15478 | When Empty mount points, we are assigning fallback link to self. But it should not use full URI for target fs. | Major | . | Uma Maheswara Rao G | Uma Maheswara Rao G
HDFS-15459 | TestBlockTokenWithDFSStriped fails intermittently | Major | hdfs | Ahmed Hussein | Ahmed Hussein
HDFS-15461 | TestDFSClientRetries#testGetFileChecksum fails intermittently | Major | dfsclient, test | Ahmed Hussein | Ahmed Hussein
HDFS-9776 | TestHAAppend#testMultipleAppendsDuringCatchupTailing is flaky | Major | . | Vinayakumar B | Ahmed Hussein
HDFS-15457 | TestFsDatasetImpl fails intermittently | Major | hdfs | Ahmed Hussein | Ahmed Hussein
HADOOP-17330 | Backport HADOOP-16005-“NativeAzureFileSystem does not support setXAttr” to branch-3.2 | Major | fs/azure | Sally Zuo | Sally Zuo
HDFS-15643 | EC: Fix checksum computation in case of native encoders | Blocker | . | Ahmed Hussein | Ayush Saxena
HADOOP-17325 | WASB: Test failures | Major | fs/azure, test | Sneha Vijayarajan | Steve Loughran
HDFS-15716 | TestUpgradeDomainBlockPlacementPolicy flaky | Major | namenode, test | Ahmed Hussein | Ahmed Hussein
HDFS-15762 | TestMultipleNNPortQOP#testMultipleNNPortOverwriteDownStream fails intermittently | Minor | . | Toshihiko Uchida | Toshihiko Uchida
HDFS-15672 | TestBalancerWithMultipleNameNodes#testBalancingBlockpoolsWithBlockPoolPolicy fails on trunk | Major | . | Ahmed Hussein | Masatake Iwasaki
HDFS-15818 | Fix TestFsDatasetImpl.testReadLockCanBeDisabledByConfig | Minor | test | Leon Gao | Leon Gao
HADOOP-16748 | Migrate to Python 3 and upgrade Yetus to 0.13.0 | Major | . | Akira Ajisaka | Akira Ajisaka
HDFS-15890 | Improve the Logs for File Concat Operation | Minor | namenode | Bhavik Patel | Bhavik Patel
HDFS-13975 | TestBalancer#testMaxIterationTime fails sporadically | Major | . | Jason Darrell Lowe | Toshihiko Uchida
YARN-10688 | ClusterMetrics should support GPU capacity related metrics. | Major | metrics, resourcemanager | Qi Zhu | Qi Zhu
HDFS-15902 | Improve the log for HTTPFS server operation | Minor | httpfs | Bhavik Patel | Bhavik Patel
HDFS-15940 | Some tests in TestBlockRecovery are consistently failing | Major | . | Viraj Jasani | Viraj Jasani
YARN-10702 | Add cluster metric for amount of CPU used by RM Event Processor | Minor | yarn | Jim Brennan | Jim Brennan
HADOOP-17630 | [JDK 15] TestPrintableString fails due to Unicode 13.0 support | Major | . | Akira Ajisaka | Akira Ajisaka
YARN-10723 | Change CS nodes page in UI to support custom resource. | Major | . | Qi Zhu | Qi Zhu
HADOOP-17112 | whitespace not allowed in paths when saving files to s3a via committer | Blocker | fs/s3 | Krzysztof Adamski | Krzysztof Adamski
HADOOP-17661 | mvn versions:set fails to parse pom.xml | Blocker | build | Wei-Chiu Chuang | Wei-Chiu Chuang
YARN-10642 | Race condition: AsyncDispatcher can get stuck by the changes introduced in YARN-8995 | Critical | resourcemanager | zhengchenyu | zhengchenyu
HDFS-15659 | Set dfs.namenode.redundancy.considerLoad to false in MiniDFSCluster | Major | test | Akira Ajisaka | Ahmed Hussein
HADOOP-17840 | Backport HADOOP-17837 to branch-3.2 | Minor | . | Bryan Beaudreault | Bryan Beaudreault
HADOOP-17126 | implement non-guava Precondition checkNotNull | Major | . | Ahmed Hussein | Ahmed Hussein

### OTHER:

JIRA | Summary | Priority | Component | Reporter | Contributor
--- | --- | --- | --- | --- | ---
HDFS-15870 | Remove unused configuration dfs.namenode.stripe.min | Minor | . | tomscut | tomscut
HDFS-15808 | Add metrics for FSNamesystem read/write lock hold long time | Major | hdfs | tomscut | tomscut
HDFS-15873 | Add namenode address in logs for block report | Minor | datanode, hdfs | tomscut | tomscut
HDFS-15906 | Close FSImage and FSNamesystem after formatting is complete | Minor | . | tomscut | tomscut
HDFS-15892 | Add metric for editPendingQ in FSEditLogAsync | Minor | . | tomscut | tomscut
HDFS-16078 | Remove unused parameters for DatanodeManager.handleLifeline() | Minor | . | tomscut | tomscut
YARN-10278 | CapacityScheduler test framework ProportionalCapacityPreemptionPolicyMockFramework need some review | Major | . | Gergely Pollák | Szilard Nemeth
HDFS-15731 | Reduce threadCount for unit tests to reduce the memory usage | Major | build, test | Akira Ajisaka | Akira Ajisaka
HADOOP-17571 | Upgrade com.fasterxml.woodstox:woodstox-core for security reasons | Major | . | Viraj Jasani | Viraj Jasani
HDFS-15895 | DFSAdmin#printOpenFiles has redundant String#format usage | Minor | . | Viraj Jasani | Viraj Jasani
HADOOP-17614 | Bump netty to the latest 4.1.61 | Blocker | . | Wei-Chiu Chuang | Wei-Chiu Chuang
HADOOP-17627 | Backport to branch-3.2 HADOOP-17371, HADOOP-17621, HADOOP-17625 to update Jetty to 9.4.39 | Major | . | Wei-Chiu Chuang | Wei-Chiu Chuang
HDFS-15989 | Split TestBalancer into two classes | Major | . | Viraj Jasani | Viraj Jasani
HADOOP-17808 | ipc.Client not setting interrupt flag after catching InterruptedException | Minor | . | Viraj Jasani | Viraj Jasani
HADOOP-17834 | Bump aliyun-sdk-oss to 3.13.0 | Major | . | Siyao Meng | Siyao Meng
HADOOP-17955 | Bump netty to the latest 4.1.68 | Major | . | Takanobu Asanuma | Takanobu Asanuma
HADOOP-18061 | Update the year to 2022 | Major | . | Ayush Saxena | Ayush Saxena
HADOOP-18125 | Utility to identify git commit / Jira fixVersion discrepancies for RC preparation | Major | . | Viraj Jasani | Viraj Jasani