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Posted to common-commits@hadoop.apache.org by as...@apache.org on 2017/07/12 04:53:46 UTC
[30/50] [abbrv] hadoop git commit: Add release notes, changes,
jdiff for 3.0.0-alpha4
http://git-wip-us.apache.org/repos/asf/hadoop/blob/f10864a8/hadoop-common-project/hadoop-common/src/site/markdown/release/3.0.0-alpha4/CHANGES.3.0.0-alpha4.md
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+<!---
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+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
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+# http://www.apache.org/licenses/LICENSE-2.0
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+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+# limitations under the License.
+-->
+# "Apache Hadoop" Changelog
+
+## Release 3.0.0-alpha4 - 2017-06-30
+
+### INCOMPATIBLE CHANGES:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HDFS-10860](https://issues.apache.org/jira/browse/HDFS-10860) | Switch HttpFS from Tomcat to Jetty | Blocker | httpfs | John Zhuge | John Zhuge |
+| [HADOOP-13929](https://issues.apache.org/jira/browse/HADOOP-13929) | ADLS connector should not check in contract-test-options.xml | Major | fs/adl, test | John Zhuge | John Zhuge |
+| [HDFS-11100](https://issues.apache.org/jira/browse/HDFS-11100) | Recursively deleting file protected by sticky bit should fail | Critical | fs | John Zhuge | John Zhuge |
+| [HADOOP-13805](https://issues.apache.org/jira/browse/HADOOP-13805) | UGI.getCurrentUser() fails if user does not have a keytab associated | Major | security | Alejandro Abdelnur | Xiao Chen |
+| [HDFS-11405](https://issues.apache.org/jira/browse/HDFS-11405) | Rename "erasurecode" CLI subcommand to "ec" | Blocker | erasure-coding | Andrew Wang | Manoj Govindassamy |
+| [HDFS-11426](https://issues.apache.org/jira/browse/HDFS-11426) | Refactor EC CLI to be similar to storage policies CLI | Major | erasure-coding, shell | Andrew Wang | Andrew Wang |
+| [HDFS-11427](https://issues.apache.org/jira/browse/HDFS-11427) | Rename "rs-default" to "rs" | Major | erasure-coding | Andrew Wang | Andrew Wang |
+| [HDFS-11382](https://issues.apache.org/jira/browse/HDFS-11382) | Persist Erasure Coding Policy ID in a new optional field in INodeFile in FSImage | Major | hdfs | Manoj Govindassamy | Manoj Govindassamy |
+| [HDFS-11428](https://issues.apache.org/jira/browse/HDFS-11428) | Change setErasureCodingPolicy to take a required string EC policy name | Major | erasure-coding | Andrew Wang | Andrew Wang |
+| [HADOOP-14138](https://issues.apache.org/jira/browse/HADOOP-14138) | Remove S3A ref from META-INF service discovery, rely on existing core-default entry | Critical | fs/s3 | Steve Loughran | Steve Loughran |
+| [HDFS-11152](https://issues.apache.org/jira/browse/HDFS-11152) | Start erasure coding policy ID number from 1 instead of 0 to void potential unexpected errors | Blocker | erasure-coding | SammiChen | SammiChen |
+| [HDFS-11314](https://issues.apache.org/jira/browse/HDFS-11314) | Enforce set of enabled EC policies on the NameNode | Blocker | erasure-coding | Andrew Wang | Andrew Wang |
+| [HDFS-11505](https://issues.apache.org/jira/browse/HDFS-11505) | Do not enable any erasure coding policies by default | Major | erasure-coding | Andrew Wang | Manoj Govindassamy |
+| [HADOOP-10101](https://issues.apache.org/jira/browse/HADOOP-10101) | Update guava dependency to the latest version | Major | . | Rakesh R | Tsuyoshi Ozawa |
+| [HADOOP-14267](https://issues.apache.org/jira/browse/HADOOP-14267) | Make DistCpOptions class immutable | Major | tools/distcp | Mingliang Liu | Mingliang Liu |
+| [HADOOP-14202](https://issues.apache.org/jira/browse/HADOOP-14202) | fix jsvc/secure user var inconsistencies | Major | scripts | Allen Wittenauer | Allen Wittenauer |
+| [HADOOP-14174](https://issues.apache.org/jira/browse/HADOOP-14174) | Set default ADLS access token provider type to ClientCredential | Major | fs/adl | John Zhuge | John Zhuge |
+| [YARN-6298](https://issues.apache.org/jira/browse/YARN-6298) | Metric preemptCall is not used in new preemption | Blocker | fairscheduler | Yufei Gu | Yufei Gu |
+| [HADOOP-14285](https://issues.apache.org/jira/browse/HADOOP-14285) | Update minimum version of Maven from 3.0 to 3.3 | Major | . | Akira Ajisaka | Akira Ajisaka |
+| [HADOOP-14225](https://issues.apache.org/jira/browse/HADOOP-14225) | Remove xmlenc dependency | Minor | . | Chris Douglas | Chris Douglas |
+| [HADOOP-13665](https://issues.apache.org/jira/browse/HADOOP-13665) | Erasure Coding codec should support fallback coder | Blocker | io | Wei-Chiu Chuang | Kai Sasaki |
+| [HADOOP-14248](https://issues.apache.org/jira/browse/HADOOP-14248) | Retire SharedInstanceProfileCredentialsProvider in trunk. | Major | fs/s3 | Mingliang Liu | Mingliang Liu |
+| [HDFS-11565](https://issues.apache.org/jira/browse/HDFS-11565) | Use compact identifiers for built-in ECPolicies in HdfsFileStatus | Blocker | erasure-coding | Andrew Wang | Andrew Wang |
+| [YARN-3427](https://issues.apache.org/jira/browse/YARN-3427) | Remove deprecated methods from ResourceCalculatorProcessTree | Blocker | . | Karthik Kambatla | Miklos Szegedi |
+| [HDFS-11402](https://issues.apache.org/jira/browse/HDFS-11402) | HDFS Snapshots should capture point-in-time copies of OPEN files | Major | hdfs | Manoj Govindassamy | Manoj Govindassamy |
+| [HADOOP-10105](https://issues.apache.org/jira/browse/HADOOP-10105) | remove httpclient dependency | Blocker | build | Colin P. McCabe | Akira Ajisaka |
+| [HADOOP-13200](https://issues.apache.org/jira/browse/HADOOP-13200) | Implement customizable and configurable erasure coders | Blocker | . | Kai Zheng | Tim Yao |
+| [YARN-2962](https://issues.apache.org/jira/browse/YARN-2962) | ZKRMStateStore: Limit the number of znodes under a znode | Critical | resourcemanager | Karthik Kambatla | Varun Saxena |
+| [HADOOP-14386](https://issues.apache.org/jira/browse/HADOOP-14386) | Rewind trunk from Guava 21.0 back to Guava 11.0.2 | Blocker | . | Andrew Wang | Andrew Wang |
+| [HADOOP-14401](https://issues.apache.org/jira/browse/HADOOP-14401) | maven-project-info-reports-plugin can be removed | Major | . | Andras Bokor | Andras Bokor |
+| [HADOOP-14375](https://issues.apache.org/jira/browse/HADOOP-14375) | Remove tomcat support from hadoop-functions.sh | Minor | scripts | Allen Wittenauer | John Zhuge |
+| [HADOOP-14419](https://issues.apache.org/jira/browse/HADOOP-14419) | Remove findbugs report from docs profile | Minor | . | Andras Bokor | Andras Bokor |
+| [HADOOP-14426](https://issues.apache.org/jira/browse/HADOOP-14426) | Upgrade Kerby version from 1.0.0-RC2 to 1.0.0 | Blocker | security | Jiajia Li | Jiajia Li |
+| [HADOOP-13921](https://issues.apache.org/jira/browse/HADOOP-13921) | Remove Log4j classes from JobConf | Critical | conf | Sean Busbey | Sean Busbey |
+| [HADOOP-8143](https://issues.apache.org/jira/browse/HADOOP-8143) | Change distcp to have -pb on by default | Minor | . | Dave Thompson | Mithun Radhakrishnan |
+| [HADOOP-14502](https://issues.apache.org/jira/browse/HADOOP-14502) | Confusion/name conflict between NameNodeActivity#BlockReportNumOps and RpcDetailedActivity#BlockReportNumOps | Minor | metrics | Erik Krogen | Erik Krogen |
+| [HDFS-11067](https://issues.apache.org/jira/browse/HDFS-11067) | DFS#listStatusIterator(..) should throw FileNotFoundException if the directory deleted before fetching next batch of entries | Major | hdfs-client | Vinayakumar B | Vinayakumar B |
+
+
+### NEW FEATURES:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [YARN-5910](https://issues.apache.org/jira/browse/YARN-5910) | Support for multi-cluster delegation tokens | Minor | security | Clay B. | Jian He |
+| [YARN-5864](https://issues.apache.org/jira/browse/YARN-5864) | YARN Capacity Scheduler - Queue Priorities | Major | . | Wangda Tan | Wangda Tan |
+| [HDFS-11194](https://issues.apache.org/jira/browse/HDFS-11194) | Maintain aggregated peer performance metrics on NameNode | Major | namenode | Xiaobing Zhou | Arpit Agarwal |
+| [HADOOP-14049](https://issues.apache.org/jira/browse/HADOOP-14049) | Honour AclBit flag associated to file/folder permission for Azure datalake account | Major | fs/adl | Vishwajeet Dusane | Vishwajeet Dusane |
+| [YARN-5280](https://issues.apache.org/jira/browse/YARN-5280) | Allow YARN containers to run with Java Security Manager | Minor | nodemanager, yarn | Greg Phillips | Greg Phillips |
+| [HADOOP-14048](https://issues.apache.org/jira/browse/HADOOP-14048) | REDO operation of WASB#AtomicRename should create placeholder blob for destination folder | Critical | fs/azure | NITIN VERMA | NITIN VERMA |
+| [YARN-6451](https://issues.apache.org/jira/browse/YARN-6451) | Add RM monitor validating metrics invariants | Major | . | Carlo Curino | Carlo Curino |
+| [MAPREDUCE-6871](https://issues.apache.org/jira/browse/MAPREDUCE-6871) | Allow users to specify racks and nodes for strict locality for AMs | Major | client | Robert Kanter | Robert Kanter |
+| [HDFS-11417](https://issues.apache.org/jira/browse/HDFS-11417) | Add datanode admin command to get the storage info. | Major | . | Surendra Singh Lilhore | Surendra Singh Lilhore |
+| [YARN-679](https://issues.apache.org/jira/browse/YARN-679) | add an entry point that can start any Yarn service | Major | api | Steve Loughran | Steve Loughran |
+
+
+### IMPROVEMENTS:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-14002](https://issues.apache.org/jira/browse/HADOOP-14002) | Document -DskipShade property in BUILDING.txt | Minor | build, documentation | Hanisha Koneru | Hanisha Koneru |
+| [HADOOP-13956](https://issues.apache.org/jira/browse/HADOOP-13956) | Read ADLS credentials from Credential Provider | Critical | fs/adl | John Zhuge | John Zhuge |
+| [HADOOP-13962](https://issues.apache.org/jira/browse/HADOOP-13962) | Update ADLS SDK to 2.1.4 | Major | fs/adl | John Zhuge | John Zhuge |
+| [YARN-5547](https://issues.apache.org/jira/browse/YARN-5547) | NMLeveldbStateStore should be more tolerant of unknown keys | Major | nodemanager | Jason Lowe | Ajith S |
+| [HADOOP-13990](https://issues.apache.org/jira/browse/HADOOP-13990) | Document KMS usage of CredentialProvider API | Minor | documentation, kms | John Zhuge | John Zhuge |
+| [HDFS-10534](https://issues.apache.org/jira/browse/HDFS-10534) | NameNode WebUI should display DataNode usage histogram | Major | namenode, ui | Zhe Zhang | Kai Sasaki |
+| [MAPREDUCE-6829](https://issues.apache.org/jira/browse/MAPREDUCE-6829) | Add peak memory usage counter for each task | Major | mrv2 | Yufei Gu | Miklos Szegedi |
+| [HDFS-11374](https://issues.apache.org/jira/browse/HDFS-11374) | Skip FSync in Test util CreateEditsLog to speed up edit log generation | Minor | hdfs | Hanisha Koneru | Hanisha Koneru |
+| [HDFS-9884](https://issues.apache.org/jira/browse/HDFS-9884) | Use doxia macro to generate in-page TOC of HDFS site documentation | Major | documentation | Masatake Iwasaki | Masatake Iwasaki |
+| [YARN-6131](https://issues.apache.org/jira/browse/YARN-6131) | FairScheduler: Lower update interval for faster tests | Major | fairscheduler | Karthik Kambatla | Karthik Kambatla |
+| [YARN-6106](https://issues.apache.org/jira/browse/YARN-6106) | Document FairScheduler 'allowPreemptionFrom' queue property | Minor | fairscheduler | Yufei Gu | Yufei Gu |
+| [YARN-4658](https://issues.apache.org/jira/browse/YARN-4658) | Typo in o.a.h.yarn.server.resourcemanager.scheduler.fair.TestFairScheduler comment | Major | . | Daniel Templeton | Udai Kiran Potluri |
+| [MAPREDUCE-6644](https://issues.apache.org/jira/browse/MAPREDUCE-6644) | Use doxia macro to generate in-page TOC of MapReduce site documentation | Major | documentation | Masatake Iwasaki | Masatake Iwasaki |
+| [HDFS-11370](https://issues.apache.org/jira/browse/HDFS-11370) | Optimize NamenodeFsck#getReplicaInfo | Minor | namenode | Takanobu Asanuma | Takanobu Asanuma |
+| [HDFS-11112](https://issues.apache.org/jira/browse/HDFS-11112) | Journal Nodes should refuse to format non-empty directories | Major | . | Arpit Agarwal | Yiqun Lin |
+| [HDFS-11353](https://issues.apache.org/jira/browse/HDFS-11353) | Improve the unit tests relevant to DataNode volume failure testing | Major | . | Yiqun Lin | Yiqun Lin |
+| [HADOOP-14053](https://issues.apache.org/jira/browse/HADOOP-14053) | Update the link to HTrace SpanReceivers | Minor | documentation | Akira Ajisaka | Yiqun Lin |
+| [HADOOP-12097](https://issues.apache.org/jira/browse/HADOOP-12097) | Allow port range to be specified while starting webapp | Major | . | Varun Saxena | Varun Saxena |
+| [HDFS-10219](https://issues.apache.org/jira/browse/HDFS-10219) | Change the default value for dfs.namenode.reconstruction.pending.timeout-sec from -1 to 300 | Minor | . | Akira Ajisaka | Yiqun Lin |
+| [MAPREDUCE-6404](https://issues.apache.org/jira/browse/MAPREDUCE-6404) | Allow AM to specify a port range for starting its webapp | Major | applicationmaster | Varun Saxena | Varun Saxena |
+| [MAPREDUCE-6842](https://issues.apache.org/jira/browse/MAPREDUCE-6842) | Update the links in PiEstimator document | Minor | documentation | Akira Ajisaka | Jung Yoo |
+| [HDFS-11210](https://issues.apache.org/jira/browse/HDFS-11210) | Enhance key rolling to guarantee new KeyVersion is returned from generateEncryptedKeys after a key is rolled | Major | encryption, kms | Xiao Chen | Xiao Chen |
+| [HDFS-11409](https://issues.apache.org/jira/browse/HDFS-11409) | DatanodeInfo getNetworkLocation and setNetworkLocation shoud use volatile instead of synchronized | Minor | performance | Chen Liang | Chen Liang |
+| [YARN-6061](https://issues.apache.org/jira/browse/YARN-6061) | Add an UncaughtExceptionHandler for critical threads in RM | Major | resourcemanager | Yufei Gu | Yufei Gu |
+| [YARN-4753](https://issues.apache.org/jira/browse/YARN-4753) | Use doxia macro to generate in-page TOC of YARN site documentation | Major | documentation | Masatake Iwasaki | Masatake Iwasaki |
+| [HDFS-11333](https://issues.apache.org/jira/browse/HDFS-11333) | Print a user friendly error message when plugins are not found | Minor | namenode | Wei-Chiu Chuang | Wei-Chiu Chuang |
+| [YARN-6174](https://issues.apache.org/jira/browse/YARN-6174) | Log files pattern should be same for both running and finished container | Major | yarn | Sumana Sathish | Xuan Gong |
+| [HDFS-11375](https://issues.apache.org/jira/browse/HDFS-11375) | Display the volume storage type in datanode UI | Minor | datanode, ui | Surendra Singh Lilhore | Surendra Singh Lilhore |
+| [YARN-6125](https://issues.apache.org/jira/browse/YARN-6125) | The application attempt's diagnostic message should have a maximum size | Critical | resourcemanager | Daniel Templeton | Andras Piros |
+| [HADOOP-14077](https://issues.apache.org/jira/browse/HADOOP-14077) | Improve the patch of HADOOP-13119 | Major | security | Yuanbo Liu | Yuanbo Liu |
+| [HDFS-11406](https://issues.apache.org/jira/browse/HDFS-11406) | Remove unused getStartInstance and getFinalizeInstance in FSEditLogOp | Trivial | . | Andrew Wang | Alison Yu |
+| [HDFS-11438](https://issues.apache.org/jira/browse/HDFS-11438) | Fix typo in error message of StoragePolicyAdmin tool | Trivial | . | Alison Yu | Alison Yu |
+| [YARN-6194](https://issues.apache.org/jira/browse/YARN-6194) | Cluster capacity in SchedulingPolicy is updated only on allocation file reload | Major | fairscheduler | Karthik Kambatla | Yufei Gu |
+| [HADOOP-13321](https://issues.apache.org/jira/browse/HADOOP-13321) | Deprecate FileSystem APIs that promote inefficient call patterns. | Major | fs | Chris Nauroth | Mingliang Liu |
+| [HADOOP-14097](https://issues.apache.org/jira/browse/HADOOP-14097) | Remove Java6 specific code from GzipCodec.java | Minor | . | Akira Ajisaka | Elek, Marton |
+| [HADOOP-13817](https://issues.apache.org/jira/browse/HADOOP-13817) | Add a finite shell command timeout to ShellBasedUnixGroupsMapping | Minor | security | Harsh J | Harsh J |
+| [HDFS-11295](https://issues.apache.org/jira/browse/HDFS-11295) | Check storage remaining instead of node remaining in BlockPlacementPolicyDefault.chooseReplicaToDelete() | Major | namenode | Xiao Liang | Elek, Marton |
+| [HADOOP-14127](https://issues.apache.org/jira/browse/HADOOP-14127) | Add log4j configuration to enable logging in hadoop-distcp's tests | Minor | test | Xiao Chen | Xiao Chen |
+| [HDFS-11466](https://issues.apache.org/jira/browse/HDFS-11466) | Change dfs.namenode.write-lock-reporting-threshold-ms default from 1000ms to 5000ms | Major | namenode | Andrew Wang | Andrew Wang |
+| [YARN-6189](https://issues.apache.org/jira/browse/YARN-6189) | Improve application status log message when RM restarted when app is in NEW state | Major | . | Yesha Vora | Junping Du |
+| [HDFS-11432](https://issues.apache.org/jira/browse/HDFS-11432) | Federation : Support fully qualified path for Quota/Snapshot/cacheadmin/cryptoadmin commands | Major | federation | Brahma Reddy Battula | Brahma Reddy Battula |
+| [HDFS-11461](https://issues.apache.org/jira/browse/HDFS-11461) | DataNode Disk Outlier Detection | Major | hdfs | Hanisha Koneru | Hanisha Koneru |
+| [HDFS-11416](https://issues.apache.org/jira/browse/HDFS-11416) | Refactor out system default erasure coding policy | Major | erasure-coding | Andrew Wang | Andrew Wang |
+| [HADOOP-13930](https://issues.apache.org/jira/browse/HADOOP-13930) | Azure: Add Authorization support to WASB | Major | fs/azure | Dushyanth | Sivaguru Sankaridurg |
+| [HDFS-11494](https://issues.apache.org/jira/browse/HDFS-11494) | Log message when DN is not selected for block replication | Minor | . | Yiqun Lin | Yiqun Lin |
+| [HDFS-8741](https://issues.apache.org/jira/browse/HDFS-8741) | Proper error msg to be printed when invalid operation type is given to WebHDFS operations | Minor | webhdfs | Archana T | Surendra Singh Lilhore |
+| [HADOOP-14108](https://issues.apache.org/jira/browse/HADOOP-14108) | CLI MiniCluster: add an option to specify NameNode HTTP port | Minor | . | Takanobu Asanuma | Takanobu Asanuma |
+| [HDFS-10838](https://issues.apache.org/jira/browse/HDFS-10838) | Last full block report received time for each DN should be easily discoverable | Major | ui | Arpit Agarwal | Surendra Singh Lilhore |
+| [HDFS-11477](https://issues.apache.org/jira/browse/HDFS-11477) | Simplify file IO profiling configuration | Minor | . | Hanisha Koneru | Hanisha Koneru |
+| [YARN-6287](https://issues.apache.org/jira/browse/YARN-6287) | RMCriticalThreadUncaughtExceptionHandler.rmContext should be final | Minor | resourcemanager | Daniel Templeton | Corey Barker |
+| [HADOOP-14150](https://issues.apache.org/jira/browse/HADOOP-14150) | Implement getHomeDirectory() method in NativeAzureFileSystem | Critical | fs/azure | Namit Maheshwari | Santhosh G Nayak |
+| [YARN-6300](https://issues.apache.org/jira/browse/YARN-6300) | NULL\_UPDATE\_REQUESTS is redundant in TestFairScheduler | Minor | . | Daniel Templeton | Yuanbo Liu |
+| [HDFS-11506](https://issues.apache.org/jira/browse/HDFS-11506) | Move ErasureCodingPolicyManager#getSystemDefaultPolicy to test code | Major | erasure-coding | Andrew Wang | Manoj Govindassamy |
+| [HADOOP-13946](https://issues.apache.org/jira/browse/HADOOP-13946) | Document how HDFS updates timestamps in the FS spec; compare with object stores | Minor | documentation, fs | Steve Loughran | Steve Loughran |
+| [YARN-6042](https://issues.apache.org/jira/browse/YARN-6042) | Dump scheduler and queue state information into FairScheduler DEBUG log | Major | fairscheduler | Yufei Gu | Yufei Gu |
+| [HDFS-11511](https://issues.apache.org/jira/browse/HDFS-11511) | Support Timeout when checking single disk | Major | hdfs | Hanisha Koneru | Hanisha Koneru |
+| [HDFS-10601](https://issues.apache.org/jira/browse/HDFS-10601) | Improve log message to include hostname when the NameNode is in safemode | Minor | . | Kuhu Shukla | Kuhu Shukla |
+| [HDFS-11517](https://issues.apache.org/jira/browse/HDFS-11517) | Expose slow disks via DataNode JMX | Major | hdfs | Hanisha Koneru | Hanisha Koneru |
+| [HADOOP-14169](https://issues.apache.org/jira/browse/HADOOP-14169) | Implement listStatusIterator, listLocatedStatus for ViewFs | Minor | viewfs | Erik Krogen | Erik Krogen |
+| [HDFS-11547](https://issues.apache.org/jira/browse/HDFS-11547) | Add logs for slow BlockReceiver while writing data to disk | Major | datanode | Xiaobing Zhou | Xiaobing Zhou |
+| [MAPREDUCE-6865](https://issues.apache.org/jira/browse/MAPREDUCE-6865) | Fix typo in javadoc for DistributedCache | Trivial | . | Attila Sasvari | Attila Sasvari |
+| [YARN-6309](https://issues.apache.org/jira/browse/YARN-6309) | Fair scheduler docs should have the queue and queuePlacementPolicy elements listed in bold so that they're easier to see | Minor | fairscheduler | Daniel Templeton | esmaeil mirzaee |
+| [HADOOP-13945](https://issues.apache.org/jira/browse/HADOOP-13945) | Azure: Add Kerberos and Delegation token support to WASB client. | Major | fs/azure | Santhosh G Nayak | Santhosh G Nayak |
+| [HDFS-11545](https://issues.apache.org/jira/browse/HDFS-11545) | Propagate DataNode's slow disks info to the NameNode via Heartbeat | Major | . | Hanisha Koneru | Hanisha Koneru |
+| [YARN-6284](https://issues.apache.org/jira/browse/YARN-6284) | hasAlreadyRun should be final in ResourceManager.StandByTransitionRunnable | Major | resourcemanager | Daniel Templeton | Laura Adams |
+| [HADOOP-14213](https://issues.apache.org/jira/browse/HADOOP-14213) | Move Configuration runtime check for hadoop-site.xml to initialization | Major | . | Jonathan Eagles | Jonathan Eagles |
+| [HDFS-10649](https://issues.apache.org/jira/browse/HDFS-10649) | Remove unused PermissionStatus#applyUMask | Trivial | . | John Zhuge | Chen Liang |
+| [HDFS-11574](https://issues.apache.org/jira/browse/HDFS-11574) | Spelling mistakes in the Java source | Trivial | . | hu xiaodong | hu xiaodong |
+| [HDFS-11534](https://issues.apache.org/jira/browse/HDFS-11534) | Add counters for number of blocks in pending IBR | Major | hdfs | Xiaobing Zhou | Xiaobing Zhou |
+| [YARN-5956](https://issues.apache.org/jira/browse/YARN-5956) | Refactor ClientRMService to unify error handling across apis | Minor | resourcemanager | Kai Sasaki | Kai Sasaki |
+| [YARN-6379](https://issues.apache.org/jira/browse/YARN-6379) | Remove unused argument in ClientRMService | Trivial | . | Kai Sasaki | Kai Sasaki |
+| [HADOOP-14233](https://issues.apache.org/jira/browse/HADOOP-14233) | Delay construction of PreCondition.check failure message in Configuration#set | Major | . | Jonathan Eagles | Jonathan Eagles |
+| [HADOOP-14240](https://issues.apache.org/jira/browse/HADOOP-14240) | Configuration#get return value optimization | Major | . | Jonathan Eagles | Jonathan Eagles |
+| [YARN-6339](https://issues.apache.org/jira/browse/YARN-6339) | Improve performance for createAndGetApplicationReport | Major | . | yunjiong zhao | yunjiong zhao |
+| [HDFS-11170](https://issues.apache.org/jira/browse/HDFS-11170) | Add builder-based create API to FileSystem | Major | . | SammiChen | SammiChen |
+| [YARN-6329](https://issues.apache.org/jira/browse/YARN-6329) | Remove unnecessary TODO comment from AppLogAggregatorImpl.java | Minor | . | Akira Ajisaka | victor bertschinger |
+| [HDFS-9705](https://issues.apache.org/jira/browse/HDFS-9705) | Refine the behaviour of getFileChecksum when length = 0 | Minor | . | Kai Zheng | SammiChen |
+| [HADOOP-14250](https://issues.apache.org/jira/browse/HADOOP-14250) | Correct spelling of 'separate' and variants | Minor | . | Doris Gu | Doris Gu |
+| [HDFS-10974](https://issues.apache.org/jira/browse/HDFS-10974) | Document replication factor for EC files. | Major | documentation, erasure-coding | Wei-Chiu Chuang | Yiqun Lin |
+| [HDFS-11551](https://issues.apache.org/jira/browse/HDFS-11551) | Handle SlowDiskReport from DataNode at the NameNode | Major | hdfs | Hanisha Koneru | Hanisha Koneru |
+| [HDFS-11603](https://issues.apache.org/jira/browse/HDFS-11603) | Improve slow mirror/disk warnings in BlockReceiver | Major | datanode | Arpit Agarwal | Arpit Agarwal |
+| [HDFS-11560](https://issues.apache.org/jira/browse/HDFS-11560) | Expose slow disks via NameNode JMX | Major | namenode | Hanisha Koneru | Hanisha Koneru |
+| [HDFS-11598](https://issues.apache.org/jira/browse/HDFS-11598) | Improve -setrep for Erasure Coded files | Major | shell | Wei-Chiu Chuang | Yiqun Lin |
+| [HDFS-9651](https://issues.apache.org/jira/browse/HDFS-9651) | All web UIs should include a robots.txt file | Minor | . | Lars Francke | Lars Francke |
+| [HADOOP-14280](https://issues.apache.org/jira/browse/HADOOP-14280) | Fix compilation of TestKafkaMetrics | Major | tools | Andrew Wang | Andrew Wang |
+| [HDFS-11628](https://issues.apache.org/jira/browse/HDFS-11628) | Clarify the behavior of HDFS Mover in documentation | Major | documentation | Xiaobing Zhou | Xiaobing Zhou |
+| [YARN-6381](https://issues.apache.org/jira/browse/YARN-6381) | FSAppAttempt has several variables that should be final | Major | fairscheduler | Daniel Templeton | Ameet Zaveri |
+| [HDFS-11302](https://issues.apache.org/jira/browse/HDFS-11302) | Improve Logging for SSLHostnameVerifier | Major | security | Xiaoyu Yao | Chen Liang |
+| [HADOOP-14104](https://issues.apache.org/jira/browse/HADOOP-14104) | Client should always ask namenode for kms provider path. | Major | kms | Rushabh S Shah | Rushabh S Shah |
+| [YARN-5797](https://issues.apache.org/jira/browse/YARN-5797) | Add metrics to the node manager for cleaning the PUBLIC and PRIVATE caches | Major | . | Chris Trezzo | Chris Trezzo |
+| [HADOOP-14276](https://issues.apache.org/jira/browse/HADOOP-14276) | Add a nanosecond API to Time/Timer/FakeTimer | Minor | util | Erik Krogen | Erik Krogen |
+| [HDFS-11623](https://issues.apache.org/jira/browse/HDFS-11623) | Move system erasure coding policies into hadoop-hdfs-client | Major | erasure-coding | Andrew Wang | Andrew Wang |
+| [HADOOP-14008](https://issues.apache.org/jira/browse/HADOOP-14008) | Upgrade to Apache Yetus 0.4.0 | Major | build, documentation, test | Allen Wittenauer | Allen Wittenauer |
+| [YARN-6195](https://issues.apache.org/jira/browse/YARN-6195) | Export UsedCapacity and AbsoluteUsedCapacity to JMX | Major | capacityscheduler, metrics, yarn | Benson Qiu | Benson Qiu |
+| [HDFS-11558](https://issues.apache.org/jira/browse/HDFS-11558) | BPServiceActor thread name is too long | Minor | datanode | Tsz Wo Nicholas Sze | Xiaobing Zhou |
+| [HADOOP-14246](https://issues.apache.org/jira/browse/HADOOP-14246) | Authentication Tokens should use SecureRandom instead of Random and 256 bit secrets | Major | security | Robert Kanter | Robert Kanter |
+| [HDFS-11645](https://issues.apache.org/jira/browse/HDFS-11645) | DataXceiver thread should log the actual error when getting InvalidMagicNumberException | Minor | datanode | Chen Liang | Chen Liang |
+| [HDFS-11648](https://issues.apache.org/jira/browse/HDFS-11648) | Lazy construct the IIP pathname | Major | . | Daryn Sharp | Daryn Sharp |
+| [HADOOP-14274](https://issues.apache.org/jira/browse/HADOOP-14274) | Azure: Simplify Ranger-WASB policy model | Major | fs/azure | Sivaguru Sankaridurg | Sivaguru Sankaridurg |
+| [MAPREDUCE-6673](https://issues.apache.org/jira/browse/MAPREDUCE-6673) | Add a test example job that grows in memory usage over time | Major | test | Karthik Kambatla | Karthik Kambatla |
+| [HADOOP-11794](https://issues.apache.org/jira/browse/HADOOP-11794) | Enable distcp to copy blocks in parallel | Major | tools/distcp | dhruba borthakur | Yongjun Zhang |
+| [YARN-6406](https://issues.apache.org/jira/browse/YARN-6406) | Remove SchedulerRequestKeys when no more pending ResourceRequest | Major | . | Arun Suresh | Arun Suresh |
+| [HDFS-11652](https://issues.apache.org/jira/browse/HDFS-11652) | Improve ECSchema and ErasureCodingPolicy toString, hashCode, equals | Minor | erasure-coding | Andrew Wang | Andrew Wang |
+| [HDFS-11634](https://issues.apache.org/jira/browse/HDFS-11634) | Optimize BlockIterator when iterating starts in the middle. | Major | . | Konstantin Shvachko | Konstantin Shvachko |
+| [HDFS-11531](https://issues.apache.org/jira/browse/HDFS-11531) | Expose hedged read metrics via libHDFS API | Major | libhdfs | Sailesh Mukil | Sailesh Mukil |
+| [HADOOP-14316](https://issues.apache.org/jira/browse/HADOOP-14316) | Switch from Findbugs to Spotbugs | Major | build | Allen Wittenauer | Allen Wittenauer |
+| [YARN-6164](https://issues.apache.org/jira/browse/YARN-6164) | Expose Queue Configurations per Node Label through YARN client api | Major | . | Benson Qiu | Benson Qiu |
+| [YARN-6392](https://issues.apache.org/jira/browse/YARN-6392) | Add submit time to Application Summary log | Minor | resourcemanager | zhihai xu | zhihai xu |
+| [HADOOP-12856](https://issues.apache.org/jira/browse/HADOOP-12856) | FileUtil.checkDest() and RawLocalFileSystem.mkdirs() to throw stricter IOEs; RawLocalFS contract tests to verify | Minor | fs | Steve Loughran | Steve Loughran |
+| [HADOOP-14340](https://issues.apache.org/jira/browse/HADOOP-14340) | Enable KMS and HttpFS to exclude SSL ciphers | Minor | kms | John Zhuge | John Zhuge |
+| [HDFS-11384](https://issues.apache.org/jira/browse/HDFS-11384) | Add option for balancer to disperse getBlocks calls to avoid NameNode's rpc.CallQueueLength spike | Major | balancer & mover | yunjiong zhao | Konstantin Shvachko |
+| [HADOOP-14309](https://issues.apache.org/jira/browse/HADOOP-14309) | Add PowerShell NodeFencer | Minor | ha | Inigo Goiri | Inigo Goiri |
+| [HADOOP-14359](https://issues.apache.org/jira/browse/HADOOP-14359) | Remove unnecessary shading of commons-httpclient | Minor | . | Akira Ajisaka | Wei-Chiu Chuang |
+| [HADOOP-14367](https://issues.apache.org/jira/browse/HADOOP-14367) | Remove unused setting from pom.xml | Minor | build | Akira Ajisaka | Chen Liang |
+| [HADOOP-14352](https://issues.apache.org/jira/browse/HADOOP-14352) | Make some HttpServer2 SSL properties optional | Minor | kms | John Zhuge | John Zhuge |
+| [HDFS-11722](https://issues.apache.org/jira/browse/HDFS-11722) | Change Datanode file IO profiling sampling to percentage | Major | hdfs | Hanisha Koneru | Hanisha Koneru |
+| [HDFS-11687](https://issues.apache.org/jira/browse/HDFS-11687) | Add new public encryption APIs required by Hive | Major | encryption | Andrew Wang | Lei (Eddy) Xu |
+| [HADOOP-14382](https://issues.apache.org/jira/browse/HADOOP-14382) | Remove usages of MoreObjects.toStringHelper | Minor | metrics | Andrew Wang | Andrew Wang |
+| [HDFS-9807](https://issues.apache.org/jira/browse/HDFS-9807) | Add an optional StorageID to writes | Major | . | Chris Douglas | Ewan Higgs |
+| [HADOOP-14390](https://issues.apache.org/jira/browse/HADOOP-14390) | Correct spelling of 'succeed' and variants | Trivial | . | Dongtao Zhang | Dongtao Zhang |
+| [HADOOP-14383](https://issues.apache.org/jira/browse/HADOOP-14383) | Implement FileSystem that reads from HTTP / HTTPS endpoints | Major | fs | Haohui Mai | Haohui Mai |
+| [YARN-6457](https://issues.apache.org/jira/browse/YARN-6457) | Allow custom SSL configuration to be supplied in WebApps | Major | webapp, yarn | Sanjay M Pujare | Sanjay M Pujare |
+| [HADOOP-14216](https://issues.apache.org/jira/browse/HADOOP-14216) | Improve Configuration XML Parsing Performance | Major | . | Jonathan Eagles | Jonathan Eagles |
+| [MAPREDUCE-6883](https://issues.apache.org/jira/browse/MAPREDUCE-6883) | AuditLogger and TestAuditLogger are dead code | Minor | client | Daniel Templeton | Vrushali C |
+| [HDFS-11800](https://issues.apache.org/jira/browse/HDFS-11800) | Document output of 'hdfs count -u' should contain PATHNAME | Minor | hdfs | Xiaobing Zhou | Xiaobing Zhou |
+| [HADOOP-14413](https://issues.apache.org/jira/browse/HADOOP-14413) | Add Javadoc comment for jitter parameter on CachingGetSpaceUsed | Trivial | . | Erik Krogen | Erik Krogen |
+| [HDFS-11757](https://issues.apache.org/jira/browse/HDFS-11757) | Query StreamCapabilities when creating balancer's lock file | Major | balancer & mover | Andrew Wang | SammiChen |
+| [HDFS-11641](https://issues.apache.org/jira/browse/HDFS-11641) | Reduce cost of audit logging by using FileStatus instead of HdfsFileStatus | Major | hdfs | Daryn Sharp | Daryn Sharp |
+| [YARN-6447](https://issues.apache.org/jira/browse/YARN-6447) | Provide container sandbox policies for groups | Minor | nodemanager, yarn | Greg Phillips | Greg Phillips |
+| [HADOOP-14415](https://issues.apache.org/jira/browse/HADOOP-14415) | Use java.lang.AssertionError instead of junit.framework.AssertionFailedError | Minor | . | Akira Ajisaka | Chen Liang |
+| [HDFS-11803](https://issues.apache.org/jira/browse/HDFS-11803) | Add -v option for du command to show header line | Major | hdfs | Xiaobing Zhou | Xiaobing Zhou |
+| [YARN-6493](https://issues.apache.org/jira/browse/YARN-6493) | Print requested node partition in assignContainer logs | Major | . | Jonathan Hung | Jonathan Hung |
+| [HDFS-11793](https://issues.apache.org/jira/browse/HDFS-11793) | Allow to enable user defined erasure coding policy | Major | erasure-coding | SammiChen | SammiChen |
+| [HADOOP-14407](https://issues.apache.org/jira/browse/HADOOP-14407) | DistCp - Introduce a configurable copy buffer size | Major | tools/distcp | Omkar Aradhya K S | Omkar Aradhya K S |
+| [YARN-6582](https://issues.apache.org/jira/browse/YARN-6582) | FSAppAttempt demand can be updated atomically in updateDemand() | Major | . | Karthik Kambatla | Karthik Kambatla |
+| [HDFS-11421](https://issues.apache.org/jira/browse/HDFS-11421) | Make WebHDFS' ACLs RegEx configurable | Major | webhdfs | Harsh J | Harsh J |
+| [HDFS-11891](https://issues.apache.org/jira/browse/HDFS-11891) | DU#refresh should print the path of the directory when an exception is caught | Minor | . | Chen Liang | Chen Liang |
+| [HADOOP-14442](https://issues.apache.org/jira/browse/HADOOP-14442) | Owner support for ranger-wasb integration | Major | fs, fs/azure | Varada Hemeswari | Varada Hemeswari |
+| [HDFS-11832](https://issues.apache.org/jira/browse/HDFS-11832) | Switch leftover logs to slf4j format in BlockManager.java | Minor | namenode | Hui Xu | Chen Liang |
+| [YARN-6477](https://issues.apache.org/jira/browse/YARN-6477) | Dispatcher no longer needs the raw types suppression | Minor | . | Daniel Templeton | Maya Wexler |
+| [YARN-6497](https://issues.apache.org/jira/browse/YARN-6497) | Method length of ResourceManager#serviceInit() is too long | Minor | resourcemanager | Yufei Gu | Gergely Novák |
+| [HDFS-11383](https://issues.apache.org/jira/browse/HDFS-11383) | Intern strings in BlockLocation and ExtendedBlock | Major | . | Misha Dmitriev | Misha Dmitriev |
+| [YARN-6208](https://issues.apache.org/jira/browse/YARN-6208) | Improve the log when FinishAppEvent sent to the NodeManager which didn't run the application | Minor | . | Akira Ajisaka | Akira Ajisaka |
+| [HADOOP-14440](https://issues.apache.org/jira/browse/HADOOP-14440) | Add metrics for connections dropped | Major | . | Eric Badger | Eric Badger |
+| [HADOOP-14485](https://issues.apache.org/jira/browse/HADOOP-14485) | Redundant 'final' modifier in try-with-resources statement | Minor | . | Wenxin He | Wenxin He |
+| [HADOOP-14491](https://issues.apache.org/jira/browse/HADOOP-14491) | Azure has messed doc structure | Major | documentation, fs/azure | Mingliang Liu | Mingliang Liu |
+| [HDFS-11914](https://issues.apache.org/jira/browse/HDFS-11914) | Add more diagnosis info for fsimage transfer failure. | Major | . | Yongjun Zhang | Yongjun Zhang |
+| [HDFS-11840](https://issues.apache.org/jira/browse/HDFS-11840) | Log HDFS Mover exception message of exit to its own log | Minor | balancer & mover | LiXin Ge | LiXin Ge |
+| [HDFS-11861](https://issues.apache.org/jira/browse/HDFS-11861) | ipc.Client.Connection#sendRpcRequest should log request name | Trivial | ipc | John Zhuge | John Zhuge |
+| [HADOOP-14465](https://issues.apache.org/jira/browse/HADOOP-14465) | LdapGroupsMapping - support user and group search base | Major | common, security | Shwetha G S | Shwetha G S |
+| [HADOOP-14310](https://issues.apache.org/jira/browse/HADOOP-14310) | RolloverSignerSecretProvider.LOG should be @VisibleForTesting | Minor | security | Daniel Templeton | Arun Shanmugam Kumar |
+| [HDFS-11907](https://issues.apache.org/jira/browse/HDFS-11907) | Add metric for time taken by NameNode resource check | Major | . | Chen Liang | Chen Liang |
+| [HADOOP-14503](https://issues.apache.org/jira/browse/HADOOP-14503) | Make RollingAverages a mutable metric | Major | common | Hanisha Koneru | Hanisha Koneru |
+| [HADOOP-14506](https://issues.apache.org/jira/browse/HADOOP-14506) | Add create() contract test that verifies ancestor dir creation | Minor | fs | Aaron Fabbri | Sean Mackrory |
+| [HADOOP-14523](https://issues.apache.org/jira/browse/HADOOP-14523) | OpensslAesCtrCryptoCodec.finalize() holds excessive amounts of memory | Major | . | Misha Dmitriev | Misha Dmitriev |
+| [HADOOP-14524](https://issues.apache.org/jira/browse/HADOOP-14524) | Make CryptoCodec Closeable so it can be cleaned up proactively | Major | . | Xiao Chen | Xiao Chen |
+| [HADOOP-14424](https://issues.apache.org/jira/browse/HADOOP-14424) | Add CRC32C performance test. | Minor | common | LiXin Ge | LiXin Ge |
+| [HDFS-10480](https://issues.apache.org/jira/browse/HDFS-10480) | Add an admin command to list currently open files | Major | . | Kihwal Lee | Manoj Govindassamy |
+| [HDFS-11345](https://issues.apache.org/jira/browse/HDFS-11345) | Document the configuration key for FSNamesystem lock fairness | Minor | documentation, namenode | Zhe Zhang | Erik Krogen |
+| [HDFS-11647](https://issues.apache.org/jira/browse/HDFS-11647) | Add -E option in hdfs "count" command to show erasure policy summarization | Major | . | SammiChen | luhuichun |
+| [HDFS-11789](https://issues.apache.org/jira/browse/HDFS-11789) | Maintain Short-Circuit Read Statistics | Major | hdfs-client | Hanisha Koneru | Hanisha Koneru |
+| [HDFS-11943](https://issues.apache.org/jira/browse/HDFS-11943) | [Erasure coding] Warn log frequently print to screen in doEncode/doDecode functions | Major | erasure-coding, native | liaoyuxiangqin | liaoyuxiangqin |
+| [HDFS-11992](https://issues.apache.org/jira/browse/HDFS-11992) | Replace commons-logging APIs with slf4j in FsDatasetImpl | Major | . | Akira Ajisaka | hu xiaodong |
+| [HDFS-11993](https://issues.apache.org/jira/browse/HDFS-11993) | Add log info when connect to datanode socket address failed | Major | hdfs-client | chencan | chencan |
+| [YARN-6634](https://issues.apache.org/jira/browse/YARN-6634) | [API] Refactor ResourceManager WebServices to make API explicit | Critical | resourcemanager | Subru Krishnan | Giovanni Matteo Fumarola |
+| [HDFS-12045](https://issues.apache.org/jira/browse/HDFS-12045) | Add log when Diskbalancer volume is transient storage type | Major | diskbalancer | steven-wugang | steven-wugang |
+| [HADOOP-14536](https://issues.apache.org/jira/browse/HADOOP-14536) | Update azure-storage sdk to version 5.3.0 | Major | fs/azure | Mingliang Liu | Georgi Chalakov |
+| [YARN-6738](https://issues.apache.org/jira/browse/YARN-6738) | LevelDBCacheTimelineStore should reuse ObjectMapper instances | Major | timelineserver | Zoltan Haindrich | Zoltan Haindrich |
+| [HADOOP-14515](https://issues.apache.org/jira/browse/HADOOP-14515) | Specifically configure zookeeper-related log levels in KMS log4j | Major | kms | Xiao Chen | Xiao Chen |
+| [HDFS-11646](https://issues.apache.org/jira/browse/HDFS-11646) | Add -E option in 'ls' to list erasure coding policy of each file and directory if applicable | Major | erasure-coding | SammiChen | luhuichun |
+| [HDFS-11881](https://issues.apache.org/jira/browse/HDFS-11881) | NameNode consumes a lot of memory for snapshot diff report generation | Major | hdfs, snapshots | Manoj Govindassamy | Manoj Govindassamy |
+| [HADOOP-14602](https://issues.apache.org/jira/browse/HADOOP-14602) | allow custom release notes/changelog during create-release | Minor | build, scripts | Allen Wittenauer | Allen Wittenauer |
+| [HADOOP-14611](https://issues.apache.org/jira/browse/HADOOP-14611) | NetworkTopology.DEFAULT\_HOST\_LEVEL is unused | Trivial | . | Daniel Templeton | Chen Liang |
+| [YARN-6751](https://issues.apache.org/jira/browse/YARN-6751) | Display reserved resources in web UI per queue | Major | fairscheduler, webapp | Abdullah Yousufi | Abdullah Yousufi |
+| [YARN-5892](https://issues.apache.org/jira/browse/YARN-5892) | Support user-specific minimum user limit percentage in Capacity Scheduler | Major | capacityscheduler | Eric Payne | Eric Payne |
+| [YARN-6280](https://issues.apache.org/jira/browse/YARN-6280) | Introduce deselect query param to skip ResourceRequest from getApp/getApps REST API | Major | resourcemanager, restapi | Lantao Jin | Lantao Jin |
+
+
+### BUG FIXES:
+
+| JIRA | Summary | Priority | Component | Reporter | Contributor |
+|:---- |:---- | :--- |:---- |:---- |:---- |
+| [HADOOP-13858](https://issues.apache.org/jira/browse/HADOOP-13858) | TestGridmixMemoryEmulation and TestResourceUsageEmulators fail on the environment other than Linux or Windows | Major | test | Akira Ajisaka | Akira Ajisaka |
+| [YARN-6012](https://issues.apache.org/jira/browse/YARN-6012) | Remove node label (removeFromClusterNodeLabels) document is missing | Major | documentation | Weiwei Yang | Ying Zhang |
+| [YARN-6117](https://issues.apache.org/jira/browse/YARN-6117) | SharedCacheManager does not start up | Major | . | Chris Trezzo | Chris Trezzo |
+| [YARN-6082](https://issues.apache.org/jira/browse/YARN-6082) | Invalid REST api response for getApps since queueUsagePercentage is coming as INF | Critical | . | Sunil G | Sunil G |
+| [HDFS-11365](https://issues.apache.org/jira/browse/HDFS-11365) | Log portnumber in PrivilegedNfsGatewayStarter | Minor | nfs | Mukul Kumar Singh | Mukul Kumar Singh |
+| [MAPREDUCE-6808](https://issues.apache.org/jira/browse/MAPREDUCE-6808) | Log map attempts as part of shuffle handler audit log | Major | . | Jonathan Eagles | Gergő Pásztor |
+| [HADOOP-13989](https://issues.apache.org/jira/browse/HADOOP-13989) | Remove erroneous source jar option from hadoop-client shade configuration | Minor | build | Joe Pallas | Joe Pallas |
+| [HDFS-11369](https://issues.apache.org/jira/browse/HDFS-11369) | Change exception message in StorageLocationChecker | Minor | datanode | Arpit Agarwal | Arpit Agarwal |
+| [YARN-4975](https://issues.apache.org/jira/browse/YARN-4975) | Fair Scheduler: exception thrown when a parent queue marked 'parent' has configured child queues | Major | fairscheduler | Ashwin Shankar | Yufei Gu |
+| [HDFS-11364](https://issues.apache.org/jira/browse/HDFS-11364) | Add a test to verify Audit log entries for setfacl/getfacl commands over FS shell | Major | hdfs, test | Manoj Govindassamy | Manoj Govindassamy |
+| [HDFS-11376](https://issues.apache.org/jira/browse/HDFS-11376) | Revert HDFS-8377 Support HTTP/2 in datanode | Major | datanode | Andrew Wang | Xiao Chen |
+| [HADOOP-13988](https://issues.apache.org/jira/browse/HADOOP-13988) | KMSClientProvider does not work with WebHDFS and Apache Knox w/ProxyUser | Major | common, kms | Greg Senia | Xiaoyu Yao |
+| [HADOOP-14029](https://issues.apache.org/jira/browse/HADOOP-14029) | Fix KMSClientProvider for non-secure proxyuser use case | Major | common,kms | Xiaoyu Yao | Xiaoyu Yao |
+| [YARN-5641](https://issues.apache.org/jira/browse/YARN-5641) | Localizer leaves behind tarballs after container is complete | Major | . | Eric Badger | Eric Badger |
+| [HADOOP-13992](https://issues.apache.org/jira/browse/HADOOP-13992) | KMS should load SSL configuration the same way as SSLFactory | Major | kms, security | John Zhuge | John Zhuge |
+| [HDFS-11378](https://issues.apache.org/jira/browse/HDFS-11378) | Verify multiple DataNodes can be decommissioned/maintenance at the same time | Major | hdfs | Manoj Govindassamy | Manoj Govindassamy |
+| [YARN-6103](https://issues.apache.org/jira/browse/YARN-6103) | Log updates for ZKRMStateStore | Trivial | . | Bibin A Chundatt | Daniel Sturman |
+| [HADOOP-14018](https://issues.apache.org/jira/browse/HADOOP-14018) | shaded jars of hadoop-client modules are missing hadoop's root LICENSE and NOTICE files | Critical | . | John Zhuge | Elek, Marton |
+| [HDFS-11335](https://issues.apache.org/jira/browse/HDFS-11335) | Remove HdfsClientConfigKeys.DFS\_CLIENT\_SLOW\_IO\_WARNING\_THRESHOLD\_KEY usage from DNConf | Major | . | Manoj Govindassamy | Manoj Govindassamy |
+| [HADOOP-13895](https://issues.apache.org/jira/browse/HADOOP-13895) | Make FileStatus Serializable | Minor | fs | Chris Douglas | Chris Douglas |
+| [HADOOP-14045](https://issues.apache.org/jira/browse/HADOOP-14045) | Aliyun OSS documentation missing from website | Major | documentation, fs/oss | Andrew Wang | Yiqun Lin |
+| [HDFS-11363](https://issues.apache.org/jira/browse/HDFS-11363) | Need more diagnosis info when seeing Slow waitForAckedSeqno | Major | . | Yongjun Zhang | Xiao Chen |
+| [HDFS-11387](https://issues.apache.org/jira/browse/HDFS-11387) | Socket reuse address option is not honored in PrivilegedNfsGatewayStarter | Major | nfs | Mukul Kumar Singh | Mukul Kumar Singh |
+| [HADOOP-14044](https://issues.apache.org/jira/browse/HADOOP-14044) | Synchronization issue in delegation token cancel functionality | Major | . | Hrishikesh Gadre | Hrishikesh Gadre |
+| [HDFS-11371](https://issues.apache.org/jira/browse/HDFS-11371) | Document missing metrics of erasure coding | Minor | documentation, erasure-coding | Yiqun Lin | Yiqun Lin |
+| [MAPREDUCE-6338](https://issues.apache.org/jira/browse/MAPREDUCE-6338) | MR AppMaster does not honor ephemeral port range | Major | mr-am, mrv2 | Frank Nguyen | Frank Nguyen |
+| [HDFS-11377](https://issues.apache.org/jira/browse/HDFS-11377) | Balancer hung due to no available mover threads | Major | balancer & mover | yunjiong zhao | yunjiong zhao |
+| [HADOOP-14047](https://issues.apache.org/jira/browse/HADOOP-14047) | Require admin to access KMS instrumentation servlets | Minor | kms | John Zhuge | John Zhuge |
+| [YARN-6135](https://issues.apache.org/jira/browse/YARN-6135) | Node manager REST API documentation is not up to date | Trivial | nodemanager, restapi | Miklos Szegedi | Miklos Szegedi |
+| [YARN-6145](https://issues.apache.org/jira/browse/YARN-6145) | Improve log message on fail over | Major | . | Jian He | Jian He |
+| [YARN-6031](https://issues.apache.org/jira/browse/YARN-6031) | Application recovery has failed when node label feature is turned off during RM recovery | Minor | scheduler | Ying Zhang | Ying Zhang |
+| [YARN-6137](https://issues.apache.org/jira/browse/YARN-6137) | Yarn client implicitly invoke ATS client which accesses HDFS | Major | . | Yesha Vora | Li Lu |
+| [HADOOP-13433](https://issues.apache.org/jira/browse/HADOOP-13433) | Race in UGI.reloginFromKeytab | Major | security | Duo Zhang | Duo Zhang |
+| [YARN-6112](https://issues.apache.org/jira/browse/YARN-6112) | UpdateCallDuration is calculated only when debug logging is enabled | Major | fairscheduler | Yufei Gu | Yufei Gu |
+| [YARN-6144](https://issues.apache.org/jira/browse/YARN-6144) | FairScheduler: preempted resources can become negative | Blocker | fairscheduler, resourcemanager | Miklos Szegedi | Miklos Szegedi |
+| [YARN-6118](https://issues.apache.org/jira/browse/YARN-6118) | Add javadoc for Resources.isNone | Minor | scheduler | Karthik Kambatla | Andres Perez |
+| [HADOOP-13119](https://issues.apache.org/jira/browse/HADOOP-13119) | Add ability to secure log servlet using proxy users | Major | . | Jeffrey E Rodriguez | Yuanbo Liu |
+| [YARN-6166](https://issues.apache.org/jira/browse/YARN-6166) | Unnecessary INFO logs in AMRMClientAsyncImpl$CallbackHandlerThread.run | Trivial | . | Grant W | Grant W |
+| [HADOOP-14055](https://issues.apache.org/jira/browse/HADOOP-14055) | SwiftRestClient includes pass length in exception if auth fails | Minor | security | Marcell Hegedus | Marcell Hegedus |
+| [HDFS-11403](https://issues.apache.org/jira/browse/HDFS-11403) | Zookeper ACLs on NN HA enabled clusters to be handled consistently | Major | hdfs | Laszlo Puskas | Hanisha Koneru |
+| [HADOOP-13233](https://issues.apache.org/jira/browse/HADOOP-13233) | help of stat is confusing | Trivial | documentation, fs | Xiaohe Lan | Attila Bukor |
+| [YARN-3933](https://issues.apache.org/jira/browse/YARN-3933) | FairScheduler: Multiple calls to completedContainer are not safe | Major | fairscheduler | Lavkesh Lahngir | Shiwei Guo |
+| [HDFS-11407](https://issues.apache.org/jira/browse/HDFS-11407) | Document the missing usages of OfflineImageViewer processors | Minor | documentation, tools | Yiqun Lin | Yiqun Lin |
+| [HDFS-11408](https://issues.apache.org/jira/browse/HDFS-11408) | The config name of balance bandwidth is out of date | Minor | balancer & mover, documentation | Yiqun Lin | Yiqun Lin |
+| [HADOOP-14058](https://issues.apache.org/jira/browse/HADOOP-14058) | Fix NativeS3FileSystemContractBaseTest#testDirWithDifferentMarkersWorks | Major | fs/s3, test | Akira Ajisaka | Yiqun Lin |
+| [HDFS-11084](https://issues.apache.org/jira/browse/HDFS-11084) | Add a regression test for sticky bit support of OIV ReverseXML processor | Major | tools | Wei-Chiu Chuang | Wei-Chiu Chuang |
+| [HDFS-11391](https://issues.apache.org/jira/browse/HDFS-11391) | Numeric usernames do no work with WebHDFS FS (write access) | Major | webhdfs | Pierre Villard | Pierre Villard |
+| [HADOOP-13924](https://issues.apache.org/jira/browse/HADOOP-13924) | Update checkstyle and checkstyle plugin version to handle indentation of JDK8 Lambdas | Major | . | Xiaoyu Yao | Akira Ajisaka |
+| [HDFS-11238](https://issues.apache.org/jira/browse/HDFS-11238) | Fix checkstyle warnings in NameNode#createNameNode | Trivial | namenode | Ethan Li | Ethan Li |
+| [YARN-4212](https://issues.apache.org/jira/browse/YARN-4212) | FairScheduler: Can't create a DRF queue under a FAIR policy queue | Major | . | Arun Suresh | Yufei Gu |
+| [YARN-6177](https://issues.apache.org/jira/browse/YARN-6177) | Yarn client should exit with an informative error message if an incompatible Jersey library is used at client | Major | . | Weiwei Yang | Weiwei Yang |
+| [YARN-6171](https://issues.apache.org/jira/browse/YARN-6171) | ConcurrentModificationException on FSAppAttempt.containersToPreempt | Major | fairscheduler | Miklos Szegedi | Miklos Szegedi |
+| [HDFS-11410](https://issues.apache.org/jira/browse/HDFS-11410) | Use the cached instance when edit logging SetAclOp, SetXAttrOp and RemoveXAttrOp | Major | namenode | Xiao Chen | Xiao Chen |
+| [YARN-6188](https://issues.apache.org/jira/browse/YARN-6188) | Fix OOM issue with decommissioningNodesWatcher in the case of clusters with large number of nodes | Major | resourcemanager | Ajay Jadhav | Ajay Jadhav |
+| [HDFS-11379](https://issues.apache.org/jira/browse/HDFS-11379) | DFSInputStream may infinite loop requesting block locations | Critical | hdfs-client | Daryn Sharp | Daryn Sharp |
+| [HADOOP-14092](https://issues.apache.org/jira/browse/HADOOP-14092) | Typo in hadoop-aws index.md | Trivial | fs/s3 | John Zhuge | John Zhuge |
+| [HDFS-11177](https://issues.apache.org/jira/browse/HDFS-11177) | 'storagepolicies -getStoragePolicy' command should accept URI based path. | Major | shell | Surendra Singh Lilhore | Surendra Singh Lilhore |
+| [HDFS-11404](https://issues.apache.org/jira/browse/HDFS-11404) | Increase timeout on TestShortCircuitLocalRead.testDeprecatedGetBlockLocalPathInfoRpc | Major | . | Eric Badger | Eric Badger |
+| [HADOOP-13826](https://issues.apache.org/jira/browse/HADOOP-13826) | S3A Deadlock in multipart copy due to thread pool limits. | Critical | fs/s3 | Sean Mackrory | Sean Mackrory |
+| [HADOOP-14017](https://issues.apache.org/jira/browse/HADOOP-14017) | User friendly name for ADLS user and group | Major | fs/adl | John Zhuge | Vishwajeet Dusane |
+| [MAPREDUCE-6825](https://issues.apache.org/jira/browse/MAPREDUCE-6825) | YARNRunner#createApplicationSubmissionContext method is longer than 150 lines | Trivial | . | Chris Trezzo | Gergely Novák |
+| [YARN-6210](https://issues.apache.org/jira/browse/YARN-6210) | FS: Node reservations can interfere with preemption | Major | fairscheduler | Karthik Kambatla | Karthik Kambatla |
+| [YARN-6211](https://issues.apache.org/jira/browse/YARN-6211) | Synchronization improvement for moveApplicationAcrossQueues and updateApplicationPriority | Major | . | Bibin A Chundatt | Bibin A Chundatt |
+| [YARN-6222](https://issues.apache.org/jira/browse/YARN-6222) | TestFairScheduler.testReservationMetrics is flaky | Major | fairscheduler | Yufei Gu | Yufei Gu |
+| [HADOOP-14114](https://issues.apache.org/jira/browse/HADOOP-14114) | S3A can no longer handle unencoded + in URIs | Minor | fs/s3 | Sean Mackrory | Sean Mackrory |
+| [HADOOP-14116](https://issues.apache.org/jira/browse/HADOOP-14116) | FailoverOnNetworkExceptionRetry does not wait when failover on certain exception | Major | . | Jian He | Jian He |
+| [HDFS-11433](https://issues.apache.org/jira/browse/HDFS-11433) | Document missing usages of OfflineEditsViewer processors | Minor | documentation, tools | Yiqun Lin | Yiqun Lin |
+| [HDFS-11462](https://issues.apache.org/jira/browse/HDFS-11462) | Fix occasional BindException in TestNameNodeMetricsLogger | Major | test | Arpit Agarwal | Arpit Agarwal |
+| [HADOOP-14028](https://issues.apache.org/jira/browse/HADOOP-14028) | S3A BlockOutputStreams doesn't delete temporary files in multipart uploads or handle part upload failures | Critical | fs/s3 | Seth Fitzsimmons | Steve Loughran |
+| [YARN-6172](https://issues.apache.org/jira/browse/YARN-6172) | FSLeafQueue demand update needs to be atomic | Major | resourcemanager | Varun Saxena | Miklos Szegedi |
+| [HADOOP-14119](https://issues.apache.org/jira/browse/HADOOP-14119) | Remove unused imports from GzipCodec.java | Minor | . | Akira Ajisaka | Yiqun Lin |
+| [MAPREDUCE-6841](https://issues.apache.org/jira/browse/MAPREDUCE-6841) | Fix dead link in MapReduce tutorial document | Minor | documentation | Akira Ajisaka | Victor Nee |
+| [YARN-6231](https://issues.apache.org/jira/browse/YARN-6231) | FairSchedulerTestBase helper methods should call scheduler.update to avoid flakiness | Major | . | Arun Suresh | Karthik Kambatla |
+| [YARN-6239](https://issues.apache.org/jira/browse/YARN-6239) | Fix javac warnings in YARN that caused by deprecated FileSystem APIs | Minor | . | Yiqun Lin | Yiqun Lin |
+| [YARN-1728](https://issues.apache.org/jira/browse/YARN-1728) | Workaround guice3x-undecoded pathInfo in YARN WebApp | Major | . | Abraham Elmahrek | Yuanbo Liu |
+| [HADOOP-12556](https://issues.apache.org/jira/browse/HADOOP-12556) | KafkaSink jar files are created but not copied to target dist | Major | . | Babak Behzad | Babak Behzad |
+| [HDFS-11479](https://issues.apache.org/jira/browse/HDFS-11479) | Socket re-use address option should be used in SimpleUdpServer | Major | nfs | Mukul Kumar Singh | Mukul Kumar Singh |
+| [HDFS-11478](https://issues.apache.org/jira/browse/HDFS-11478) | Update EC commands in HDFSCommands.md | Minor | documentation, erasure-coding | Yiqun Lin | Yiqun Lin |
+| [MAPREDUCE-6852](https://issues.apache.org/jira/browse/MAPREDUCE-6852) | Job#updateStatus() failed with NPE due to race condition | Major | . | Junping Du | Junping Du |
+| [MAPREDUCE-6753](https://issues.apache.org/jira/browse/MAPREDUCE-6753) | Variable in byte printed directly in mapreduce client | Major | client | Nemo Chen | Kai Sasaki |
+| [HADOOP-6801](https://issues.apache.org/jira/browse/HADOOP-6801) | io.sort.mb and io.sort.factor were renamed and moved to mapreduce but are still in CommonConfigurationKeysPublic.java and used in SequenceFile.java | Minor | . | Erik Steffl | Harsh J |
+| [YARN-6263](https://issues.apache.org/jira/browse/YARN-6263) | NMTokenSecretManagerInRM.createAndGetNMToken is not thread safe | Major | yarn | Haibo Chen | Haibo Chen |
+| [YARN-6218](https://issues.apache.org/jira/browse/YARN-6218) | Fix TestAMRMClient when using FairScheduler | Minor | . | Miklos Szegedi | Miklos Szegedi |
+| [HDFS-11476](https://issues.apache.org/jira/browse/HDFS-11476) | Fix NPE in FsDatasetImpl#checkAndUpdate | Major | datanode | Xiaobing Zhou | Xiaobing Zhou |
+| [YARN-6271](https://issues.apache.org/jira/browse/YARN-6271) | yarn rmadin -getGroups returns information from standby RM | Critical | yarn | Sumana Sathish | Jian He |
+| [YARN-6270](https://issues.apache.org/jira/browse/YARN-6270) | WebUtils.getRMWebAppURLWithScheme() needs to honor RM HA setting | Major | . | Sumana Sathish | Xuan Gong |
+| [YARN-6248](https://issues.apache.org/jira/browse/YARN-6248) | user is not removed from UsersManager’s when app is killed with pending container requests. | Major | . | Eric Payne | Eric Payne |
+| [HADOOP-14026](https://issues.apache.org/jira/browse/HADOOP-14026) | start-build-env.sh: invalid docker image name | Major | build | Gergő Pásztor | Gergő Pásztor |
+| [HDFS-11441](https://issues.apache.org/jira/browse/HDFS-11441) | Add escaping to error message in KMS web UI | Minor | security | Aaron T. Myers | Aaron T. Myers |
+| [YARN-5665](https://issues.apache.org/jira/browse/YARN-5665) | Enhance documentation for yarn.resourcemanager.scheduler.class property | Trivial | documentation | Miklos Szegedi | Yufei Gu |
+| [HDFS-11498](https://issues.apache.org/jira/browse/HDFS-11498) | Make RestCsrfPreventionHandler and WebHdfsHandler compatible with Netty 4.0 | Major | . | Andrew Wang | Andrew Wang |
+| [MAPREDUCE-6855](https://issues.apache.org/jira/browse/MAPREDUCE-6855) | Specify charset when create String in CredentialsTestJob | Minor | . | Akira Ajisaka | Kai Sasaki |
+| [HADOOP-14087](https://issues.apache.org/jira/browse/HADOOP-14087) | S3A typo in pom.xml test exclusions | Major | fs/s3 | Aaron Fabbri | Aaron Fabbri |
+| [HDFS-11508](https://issues.apache.org/jira/browse/HDFS-11508) | Fix bind failure in SimpleTCPServer & Portmap where bind fails because socket is in TIME\_WAIT state | Major | nfs | Mukul Kumar Singh | Mukul Kumar Singh |
+| [MAPREDUCE-6839](https://issues.apache.org/jira/browse/MAPREDUCE-6839) | TestRecovery.testCrashed failed | Major | test | Gergő Pásztor | Gergő Pásztor |
+| [YARN-6207](https://issues.apache.org/jira/browse/YARN-6207) | Move application across queues should handle delayed event processing | Major | capacity scheduler | Bibin A Chundatt | Bibin A Chundatt |
+| [MAPREDUCE-6859](https://issues.apache.org/jira/browse/MAPREDUCE-6859) | hadoop-mapreduce-client-jobclient.jar sets a main class that isn't in the JAR | Minor | client | Daniel Templeton | Daniel Templeton |
+| [YARN-6297](https://issues.apache.org/jira/browse/YARN-6297) | TestAppLogAggregatorImp.verifyFilesUploaded() should check # of filed uploaded with that of files expected | Major | . | Haibo Chen | Haibo Chen |
+| [YARN-6165](https://issues.apache.org/jira/browse/YARN-6165) | Intra-queue preemption occurs even when preemption is turned off for a specific queue. | Major | capacity scheduler, scheduler preemption | Eric Payne | Eric Payne |
+| [HADOOP-14052](https://issues.apache.org/jira/browse/HADOOP-14052) | Fix dead link in KMS document | Minor | documentation | Akira Ajisaka | Christina Vu |
+| [YARN-6264](https://issues.apache.org/jira/browse/YARN-6264) | AM not launched when a single vcore is available on the cluster | Major | fairscheduler | Yufei Gu | Yufei Gu |
+| [YARN-6310](https://issues.apache.org/jira/browse/YARN-6310) | OutputStreams in AggregatedLogFormat.LogWriter can be left open upon exceptions | Major | yarn | Haibo Chen | Haibo Chen |
+| [HADOOP-14062](https://issues.apache.org/jira/browse/HADOOP-14062) | ApplicationMasterProtocolPBClientImpl.allocate fails with EOFException when RPC privacy is enabled | Critical | . | Steven Rand | Steven Rand |
+| [YARN-6321](https://issues.apache.org/jira/browse/YARN-6321) | TestResources test timeouts are too aggressive | Major | test | Jason Lowe | Eric Badger |
+| [HDFS-11340](https://issues.apache.org/jira/browse/HDFS-11340) | DataNode reconfigure for disks doesn't remove the failed volumes | Major | . | Manoj Govindassamy | Manoj Govindassamy |
+| [HADOOP-14156](https://issues.apache.org/jira/browse/HADOOP-14156) | Fix grammar error in ConfTest.java | Trivial | test | Andrey Dyatlov | Andrey Dyatlov |
+| [HDFS-11512](https://issues.apache.org/jira/browse/HDFS-11512) | Increase timeout on TestShortCircuitLocalRead#testSkipWithVerifyChecksum | Minor | . | Eric Badger | Eric Badger |
+| [HDFS-11499](https://issues.apache.org/jira/browse/HDFS-11499) | Decommissioning stuck because of failing recovery | Major | hdfs, namenode | Lukas Majercak | Lukas Majercak |
+| [HDFS-11395](https://issues.apache.org/jira/browse/HDFS-11395) | RequestHedgingProxyProvider#RequestHedgingInvocationHandler hides the Exception thrown from NameNode | Major | ha | Nandakumar | Nandakumar |
+| [HDFS-11526](https://issues.apache.org/jira/browse/HDFS-11526) | Fix confusing block recovery message | Minor | datanode | Wei-Chiu Chuang | Yiqun Lin |
+| [YARN-6327](https://issues.apache.org/jira/browse/YARN-6327) | Removing queues from CapacitySchedulerQueueManager and ParentQueue should be done with iterator | Major | capacityscheduler | Jonathan Hung | Jonathan Hung |
+| [HADOOP-14170](https://issues.apache.org/jira/browse/HADOOP-14170) | FileSystemContractBaseTest is not cleaning up test directory clearly | Major | fs | Mingliang Liu | Mingliang Liu |
+| [YARN-6331](https://issues.apache.org/jira/browse/YARN-6331) | Fix flakiness in TestFairScheduler#testDumpState | Major | fairscheduler | Yufei Gu | Yufei Gu |
+| [YARN-6328](https://issues.apache.org/jira/browse/YARN-6328) | Fix a spelling mistake in CapacityScheduler | Trivial | capacity scheduler | Jin Yibo | Jin Yibo |
+| [HDFS-11420](https://issues.apache.org/jira/browse/HDFS-11420) | Edit file should not be processed by the same type processor in OfflineEditsViewer | Major | tools | Yiqun Lin | Yiqun Lin |
+| [YARN-6294](https://issues.apache.org/jira/browse/YARN-6294) | ATS client should better handle Socket closed case | Major | timelineclient | Sumana Sathish | Li Lu |
+| [YARN-6332](https://issues.apache.org/jira/browse/YARN-6332) | Make RegistrySecurity use short user names for ZK ACLs | Major | . | Billie Rinaldi | Billie Rinaldi |
+| [YARN-4051](https://issues.apache.org/jira/browse/YARN-4051) | ContainerKillEvent lost when container is still recovering and application finishes | Critical | nodemanager | sandflee | sandflee |
+| [HDFS-11533](https://issues.apache.org/jira/browse/HDFS-11533) | reuseAddress option should be used for child channels in Portmap and SimpleTcpServer | Major | nfs | Mukul Kumar Singh | Mukul Kumar Singh |
+| [HADOOP-14191](https://issues.apache.org/jira/browse/HADOOP-14191) | Duplicate hadoop-minikdc dependency in hadoop-common module | Minor | build | Akira Ajisaka | Xiaobing Zhou |
+| [HDFS-10394](https://issues.apache.org/jira/browse/HDFS-10394) | move declaration of okhttp version from hdfs-client to hadoop-project POM | Minor | build | Steve Loughran | Xiaobing Zhou |
+| [HDFS-11516](https://issues.apache.org/jira/browse/HDFS-11516) | Admin command line should print message to stderr in failure case | Minor | . | Kai Sasaki | Kai Sasaki |
+| [YARN-6217](https://issues.apache.org/jira/browse/YARN-6217) | TestLocalCacheDirectoryManager test timeout is too aggressive | Major | test | Jason Lowe | Miklos Szegedi |
+| [YARN-6353](https://issues.apache.org/jira/browse/YARN-6353) | Clean up OrderingPolicy javadoc | Minor | resourcemanager | Daniel Templeton | Daniel Templeton |
+| [HADOOP-14059](https://issues.apache.org/jira/browse/HADOOP-14059) | typo in s3a rename(self, subdir) error message | Minor | . | Steve Loughran | Steve Loughran |
+| [HDFS-6648](https://issues.apache.org/jira/browse/HDFS-6648) | Order of namenodes in ConfiguredFailoverProxyProvider is undefined | Major | ha, hdfs-client | Rafal Wojdyla | Inigo Goiri |
+| [HADOOP-14204](https://issues.apache.org/jira/browse/HADOOP-14204) | S3A multipart commit failing, "UnsupportedOperationException at java.util.Collections$UnmodifiableList.sort" | Critical | fs/s3 | Steve Loughran | Steve Loughran |
+| [HADOOP-14187](https://issues.apache.org/jira/browse/HADOOP-14187) | Update ZooKeeper dependency to 3.4.9 and Curator dependency to 2.12.0 | Major | . | Tsuyoshi Ozawa | Tsuyoshi Ozawa |
+| [YARN-5934](https://issues.apache.org/jira/browse/YARN-5934) | Fix TestTimelineWebServices.testPrimaryFilterNumericString | Major | test | Akira Ajisaka | Akira Ajisaka |
+| [HDFS-11561](https://issues.apache.org/jira/browse/HDFS-11561) | HttpFS doc errors | Trivial | documentation, httpfs, test | Yuanbo Liu | Yuanbo Liu |
+| [HADOOP-9631](https://issues.apache.org/jira/browse/HADOOP-9631) | ViewFs should use underlying FileSystem's server side defaults | Major | fs, viewfs | Lohit Vijayarenu | Erik Krogen |
+| [HADOOP-14214](https://issues.apache.org/jira/browse/HADOOP-14214) | DomainSocketWatcher::add()/delete() should not self interrupt while looping await() | Critical | hdfs-client | Mingliang Liu | Mingliang Liu |
+| [HADOOP-14195](https://issues.apache.org/jira/browse/HADOOP-14195) | CredentialProviderFactory$getProviders is not thread-safe | Major | security | Vihang Karajgaonkar | Vihang Karajgaonkar |
+| [HADOOP-14211](https://issues.apache.org/jira/browse/HADOOP-14211) | FilterFs and ChRootedFs are too aggressive about enforcing "authorityNeeded" | Major | viewfs | Erik Krogen | Erik Krogen |
+| [YARN-6360](https://issues.apache.org/jira/browse/YARN-6360) | Prevent FS state dump logger from cramming other log files | Major | fairscheduler | Yufei Gu | Yufei Gu |
+| [YARN-6334](https://issues.apache.org/jira/browse/YARN-6334) | TestRMFailover#testAutomaticFailover always passes even when it should fail | Major | . | Yufei Gu | Yufei Gu |
+| [MAPREDUCE-6866](https://issues.apache.org/jira/browse/MAPREDUCE-6866) | Fix getNumMapTasks() documentation in JobConf | Minor | documentation | Joe Mészáros | Joe Mészáros |
+| [MAPREDUCE-6868](https://issues.apache.org/jira/browse/MAPREDUCE-6868) | License check for jdiff output files should be ignored | Major | build | Akira Ajisaka | Akira Ajisaka |
+| [HDFS-11555](https://issues.apache.org/jira/browse/HDFS-11555) | Fix typos in class OfflineImageReconstructor | Trivial | . | Yiqun Lin | Yiqun Lin |
+| [HDFS-10506](https://issues.apache.org/jira/browse/HDFS-10506) | OIV's ReverseXML processor cannot reconstruct some snapshot details | Major | tools | Colin P. McCabe | Akira Ajisaka |
+| [HDFS-11486](https://issues.apache.org/jira/browse/HDFS-11486) | Client close() should not fail fast if the last block is being decommissioned | Major | . | Wei-Chiu Chuang | Wei-Chiu Chuang |
+| [YARN-6359](https://issues.apache.org/jira/browse/YARN-6359) | TestRM#testApplicationKillAtAcceptedState fails rarely due to race condition | Major | test | Robert Kanter | Robert Kanter |
+| [YARN-5368](https://issues.apache.org/jira/browse/YARN-5368) | Memory leak in timeline server | Critical | timelineserver | Wataru Yukawa | Jonathan Eagles |
+| [YARN-6050](https://issues.apache.org/jira/browse/YARN-6050) | AMs can't be scheduled on racks or nodes | Major | . | Robert Kanter | Robert Kanter |
+| [HDFS-11571](https://issues.apache.org/jira/browse/HDFS-11571) | Typo in DataStorage exception message | Minor | datanode | Daniel Templeton | Anna Budai |
+| [YARN-5685](https://issues.apache.org/jira/browse/YARN-5685) | RM configuration allows all failover methods to disabled when automatic failover is enabled | Critical | resourcemanager | Daniel Templeton | Daniel Templeton |
+| [HADOOP-14223](https://issues.apache.org/jira/browse/HADOOP-14223) | Extend FileStatus#toString() to include details like Erasure Coding and Encryption | Major | fs | Manoj Govindassamy | Manoj Govindassamy |
+| [HADOOP-14247](https://issues.apache.org/jira/browse/HADOOP-14247) | FileContextMainOperationsBaseTest should clean up test root path | Minor | fs, test | Mingliang Liu | Mingliang Liu |
+| [MAPREDUCE-6862](https://issues.apache.org/jira/browse/MAPREDUCE-6862) | Fragments are not handled correctly by resource limit checking | Minor | . | Chris Trezzo | Chris Trezzo |
+| [MAPREDUCE-6873](https://issues.apache.org/jira/browse/MAPREDUCE-6873) | MR Job Submission Fails if MR framework application path not on defaultFS | Minor | mrv2 | Erik Krogen | Erik Krogen |
+| [HADOOP-14256](https://issues.apache.org/jira/browse/HADOOP-14256) | [S3A DOC] Correct the format for "Seoul" example | Minor | documentation, s3 | Brahma Reddy Battula | Brahma Reddy Battula |
+| [MAPREDUCE-6850](https://issues.apache.org/jira/browse/MAPREDUCE-6850) | Shuffle Handler keep-alive connections are closed from the server side | Major | . | Jonathan Eagles | Jonathan Eagles |
+| [MAPREDUCE-6836](https://issues.apache.org/jira/browse/MAPREDUCE-6836) | exception thrown when accessing the job configuration web UI | Minor | webapps | Sangjin Lee | Haibo Chen |
+| [HDFS-11592](https://issues.apache.org/jira/browse/HDFS-11592) | Closing a file has a wasteful preconditions in NameNode | Major | namenode | Eric Badger | Eric Badger |
+| [YARN-6354](https://issues.apache.org/jira/browse/YARN-6354) | LeveldbRMStateStore can parse invalid keys when recovering reservations | Major | resourcemanager | Jason Lowe | Jason Lowe |
+| [YARN-5703](https://issues.apache.org/jira/browse/YARN-5703) | ReservationAgents are not correctly configured | Major | capacity scheduler, resourcemanager | Sean Po | Manikandan R |
+| [HADOOP-14268](https://issues.apache.org/jira/browse/HADOOP-14268) | Fix markdown itemization in hadoop-aws documents | Minor | documentation, fs/s3 | Akira Ajisaka | Akira Ajisaka |
+| [HADOOP-14271](https://issues.apache.org/jira/browse/HADOOP-14271) | Correct spelling of 'occurred' and variants | Trivial | . | Yeliang Cang | Yeliang Cang |
+| [HADOOP-14272](https://issues.apache.org/jira/browse/HADOOP-14272) | Azure: WasbRemoteCallHelper should use String equals for comparison. | Major | fs/azure | Santhosh G Nayak | Santhosh G Nayak |
+| [HADOOP-14273](https://issues.apache.org/jira/browse/HADOOP-14273) | Azure: NativeAzureFileSystem should respect config for kerberosSupportEnabled flag | Major | fs/azure | Santhosh G Nayak | Santhosh G Nayak |
+| [YARN-6436](https://issues.apache.org/jira/browse/YARN-6436) | TestSchedulingPolicy#testParseSchedulingPolicy timeout is too low | Major | test | Jason Lowe | Eric Badger |
+| [YARN-6004](https://issues.apache.org/jira/browse/YARN-6004) | Refactor TestResourceLocalizationService#testDownloadingResourcesOnContainer so that it is less than 150 lines | Trivial | test | Chris Trezzo | Chris Trezzo |
+| [YARN-6420](https://issues.apache.org/jira/browse/YARN-6420) | RM startup failure due to wrong order in nodelabel editlog | Critical | . | Bibin A Chundatt | Bibin A Chundatt |
+| [MAPREDUCE-6824](https://issues.apache.org/jira/browse/MAPREDUCE-6824) | TaskAttemptImpl#createCommonContainerLaunchContext is longer than 150 lines | Trivial | . | Chris Trezzo | Chris Trezzo |
+| [YARN-6403](https://issues.apache.org/jira/browse/YARN-6403) | Invalid local resource request can raise NPE and make NM exit | Major | nodemanager | Tao Yang | Tao Yang |
+| [HDFS-11538](https://issues.apache.org/jira/browse/HDFS-11538) | Move ClientProtocol HA proxies into hadoop-hdfs-client | Blocker | hdfs-client | Andrew Wang | Huafeng Wang |
+| [YARN-6437](https://issues.apache.org/jira/browse/YARN-6437) | TestSignalContainer#testSignalRequestDeliveryToNM fails intermittently | Major | test | Jason Lowe | Jason Lowe |
+| [YARN-6448](https://issues.apache.org/jira/browse/YARN-6448) | Continuous scheduling thread crashes while sorting nodes | Major | . | Yufei Gu | Yufei Gu |
+| [HDFS-11596](https://issues.apache.org/jira/browse/HDFS-11596) | hadoop-hdfs-client jar is in the wrong directory in release tarball | Critical | build | Andrew Wang | Yuanbo Liu |
+| [MAPREDUCE-6846](https://issues.apache.org/jira/browse/MAPREDUCE-6846) | Fragments specified for libjar paths are not handled correctly | Minor | . | Chris Trezzo | Chris Trezzo |
+| [HDFS-11131](https://issues.apache.org/jira/browse/HDFS-11131) | TestThrottledAsyncChecker#testCancellation is flaky | Major | test | Arpit Agarwal | Arpit Agarwal |
+| [HDFS-11362](https://issues.apache.org/jira/browse/HDFS-11362) | StorageDirectory should initialize a non-null default StorageDirType | Minor | hdfs | Hanisha Koneru | Hanisha Koneru |
+| [HDFS-11608](https://issues.apache.org/jira/browse/HDFS-11608) | HDFS write crashed with block size greater than 2 GB | Critical | hdfs-client | Xiaobing Zhou | Xiaobing Zhou |
+| [MAPREDUCE-6201](https://issues.apache.org/jira/browse/MAPREDUCE-6201) | TestNetworkedJob fails on trunk | Major | . | Robert Kanter | Peter Bacsko |
+| [YARN-6288](https://issues.apache.org/jira/browse/YARN-6288) | Exceptions during aggregated log writes are mishandled | Critical | log-aggregation | Akira Ajisaka | Akira Ajisaka |
+| [HADOOP-14287](https://issues.apache.org/jira/browse/HADOOP-14287) | Compiling trunk with -DskipShade fails | Major | build | Arpit Agarwal | Arun Suresh |
+| [YARN-6368](https://issues.apache.org/jira/browse/YARN-6368) | Decommissioning an NM results in a -1 exit code | Minor | . | Miklos Szegedi | Miklos Szegedi |
+| [HDFS-11633](https://issues.apache.org/jira/browse/HDFS-11633) | FSImage failover disables all erasure coding policies | Critical | erasure-coding, namenode | Wei-Chiu Chuang | Wei-Chiu Chuang |
+| [HADOOP-14066](https://issues.apache.org/jira/browse/HADOOP-14066) | VersionInfo should be marked as public API | Critical | common | Thejas M Nair | Akira Ajisaka |
+| [YARN-6343](https://issues.apache.org/jira/browse/YARN-6343) | Docker docs MR example is broken | Major | nodemanager | Daniel Templeton | Prashant Jha |
+| [HADOOP-14293](https://issues.apache.org/jira/browse/HADOOP-14293) | Initialize FakeTimer with a less trivial value | Major | test | Andrew Wang | Andrew Wang |
+| [HADOOP-13545](https://issues.apache.org/jira/browse/HADOOP-13545) | Upgrade HSQLDB to 2.3.4 | Minor | build | Giovanni Matteo Fumarola | Giovanni Matteo Fumarola |
+| [HDFS-11637](https://issues.apache.org/jira/browse/HDFS-11637) | Fix javac warning caused by the deprecated key used in TestDFSClientRetries#testFailuresArePerOperation | Minor | . | Yiqun Lin | Yiqun Lin |
+| [YARN-6461](https://issues.apache.org/jira/browse/YARN-6461) | TestRMAdminCLI has very low test timeouts | Major | test | Jason Lowe | Eric Badger |
+| [YARN-6463](https://issues.apache.org/jira/browse/YARN-6463) | correct spelling mistake in FileSystemRMStateStore | Trivial | . | Yeliang Cang | Yeliang Cang |
+| [YARN-6439](https://issues.apache.org/jira/browse/YARN-6439) | Fix ReservationSystem creation of default ReservationQueue | Major | . | Carlo Curino | Carlo Curino |
+| [HDFS-11630](https://issues.apache.org/jira/browse/HDFS-11630) | TestThrottledAsyncCheckerTimeout fails intermittently in Jenkins builds | Major | hdfs | Hanisha Koneru | Hanisha Koneru |
+| [HDFS-11163](https://issues.apache.org/jira/browse/HDFS-11163) | Mover should move the file blocks to default storage once policy is unset | Major | balancer & mover | Surendra Singh Lilhore | Surendra Singh Lilhore |
+| [YARN-6421](https://issues.apache.org/jira/browse/YARN-6421) | Upgrade frontend-maven-plugin to 1.1 to fix new YARN UI build error in ppc64le | Major | yarn-ui-v2 | Sonia Garudi | Sonia Garudi |
+| [YARN-6450](https://issues.apache.org/jira/browse/YARN-6450) | TestContainerManagerWithLCE requires override for each new test added to ContainerManagerTest | Major | test | Jason Lowe | Jason Lowe |
+| [YARN-3760](https://issues.apache.org/jira/browse/YARN-3760) | FSDataOutputStream leak in AggregatedLogFormat.LogWriter.close() | Critical | nodemanager | Daryn Sharp | Haibo Chen |
+| [YARN-6216](https://issues.apache.org/jira/browse/YARN-6216) | Unify Container Resizing code paths with Container Updates making it scheduler agnostic | Major | capacity scheduler, fairscheduler, resourcemanager | Arun Suresh | Arun Suresh |
+| [YARN-5994](https://issues.apache.org/jira/browse/YARN-5994) | TestCapacityScheduler.testAMLimitUsage fails intermittently | Major | . | Eric Badger | Eric Badger |
+| [YARN-6433](https://issues.apache.org/jira/browse/YARN-6433) | Only accessible cgroup mount directories should be selected for a controller | Major | nodemanager | Miklos Szegedi | Miklos Szegedi |
+| [YARN-6480](https://issues.apache.org/jira/browse/YARN-6480) | Timeout is too aggressive for TestAMRestart.testPreemptedAMRestartOnRMRestart | Major | . | Eric Badger | Eric Badger |
+| [HADOOP-14311](https://issues.apache.org/jira/browse/HADOOP-14311) | Add python2.7-dev to Dockerfile | Major | . | Allen Wittenauer | Allen Wittenauer |
+| [MAPREDUCE-6875](https://issues.apache.org/jira/browse/MAPREDUCE-6875) | Rename mapred-site.xml.template to mapred-site.xml | Minor | build | Allen Wittenauer | Yuanbo Liu |
+| [YARN-6304](https://issues.apache.org/jira/browse/YARN-6304) | Skip rm.transitionToActive call to RM if RM is already active. | Major | resourcemanager | Rohith Sharma K S | Rohith Sharma K S |
+| [HDFS-11615](https://issues.apache.org/jira/browse/HDFS-11615) | FSNamesystemLock metrics can be inaccurate due to millisecond precision | Major | hdfs | Erik Krogen | Erik Krogen |
+| [HADOOP-14318](https://issues.apache.org/jira/browse/HADOOP-14318) | Remove non-existent setfattr command option from FileSystemShell.md | Minor | documentation | Doris Gu | Doris Gu |
+| [HADOOP-14315](https://issues.apache.org/jira/browse/HADOOP-14315) | Python example in the rack awareness document doesn't work due to bad indentation | Minor | documentation | Kengo Seki | Kengo Seki |
+| [HDFS-11665](https://issues.apache.org/jira/browse/HDFS-11665) | HttpFSServerWebServer$deprecateEnv may leak secret | Major | httpfs, security | John Zhuge | John Zhuge |
+| [HADOOP-14317](https://issues.apache.org/jira/browse/HADOOP-14317) | KMSWebServer$deprecateEnv may leak secret | Major | kms, security | John Zhuge | John Zhuge |
+| [HADOOP-13997](https://issues.apache.org/jira/browse/HADOOP-13997) | Typo in metrics docs | Trivial | documentation | Daniel Templeton | Ana Krasteva |
+| [YARN-6438](https://issues.apache.org/jira/browse/YARN-6438) | Code can be improved in ContainersMonitorImpl.java | Minor | nodemanager | Miklos Szegedi | Miklos Szegedi |
+| [YARN-6365](https://issues.apache.org/jira/browse/YARN-6365) | Get static SLS html resources from classpath | Blocker | scheduler-load-simulator | Allen Wittenauer | Yufei Gu |
+| [YARN-6202](https://issues.apache.org/jira/browse/YARN-6202) | Configuration item Dispatcher.DISPATCHER\_EXIT\_ON\_ERROR\_KEY is disregarded | Major | nodemanager, resourcemanager | Yufei Gu | Yufei Gu |
+| [YARN-6302](https://issues.apache.org/jira/browse/YARN-6302) | Fail the node if Linux Container Executor is not configured properly | Minor | . | Miklos Szegedi | Miklos Szegedi |
+| [HDFS-11671](https://issues.apache.org/jira/browse/HDFS-11671) | TestReconstructStripedBlocks#test2RecoveryTasksForSameBlockGroup fails | Major | erasure-coding, test | Andrew Wang | Andrew Wang |
+| [HDFS-11660](https://issues.apache.org/jira/browse/HDFS-11660) | TestFsDatasetCache#testPageRounder fails intermittently with AssertionError | Major | test | Andrew Wang | Andrew Wang |
+| [YARN-6453](https://issues.apache.org/jira/browse/YARN-6453) | fairscheduler-statedump.log gets generated regardless of service | Blocker | fairscheduler, scheduler | Allen Wittenauer | Yufei Gu |
+| [YARN-6363](https://issues.apache.org/jira/browse/YARN-6363) | Extending SLS: Synthetic Load Generator | Major | . | Carlo Curino | Carlo Curino |
+| [YARN-6153](https://issues.apache.org/jira/browse/YARN-6153) | keepContainer does not work when AM retry window is set | Major | resourcemanager | kyungwan nam | kyungwan nam |
+| [HDFS-11689](https://issues.apache.org/jira/browse/HDFS-11689) | New exception thrown by DFSClient#isHDFSEncryptionEnabled broke hacky hive code | Major | . | Yongjun Zhang | Yongjun Zhang |
+| [YARN-5889](https://issues.apache.org/jira/browse/YARN-5889) | Improve and refactor user-limit calculation in capacity scheduler | Major | capacity scheduler | Sunil G | Sunil G |
+| [HDFS-11529](https://issues.apache.org/jira/browse/HDFS-11529) | Add libHDFS API to return last exception | Critical | libhdfs | Sailesh Mukil | Sailesh Mukil |
+| [YARN-6500](https://issues.apache.org/jira/browse/YARN-6500) | Do not mount inaccessible cgroups directories in CgroupsLCEResourcesHandler | Major | nodemanager | Miklos Szegedi | Miklos Szegedi |
+| [HDFS-11691](https://issues.apache.org/jira/browse/HDFS-11691) | Add a proper scheme to the datanode links in NN web UI | Major | . | Kihwal Lee | Kihwal Lee |
+| [HADOOP-14341](https://issues.apache.org/jira/browse/HADOOP-14341) | Support multi-line value for ssl.server.exclude.cipher.list | Major | . | John Zhuge | John Zhuge |
+| [YARN-5617](https://issues.apache.org/jira/browse/YARN-5617) | AMs only intended to run one attempt can be run more than once | Major | resourcemanager | Jason Lowe | Jason Lowe |
+| [YARN-6510](https://issues.apache.org/jira/browse/YARN-6510) | Fix profs stat file warning caused by process names that includes parenthesis | Major | . | Wilfred Spiegelenburg | Wilfred Spiegelenburg |
+| [HADOOP-14351](https://issues.apache.org/jira/browse/HADOOP-14351) | Azure: RemoteWasbAuthorizerImpl and RemoteSASKeyGeneratorImpl should not use Kerberos interactive user cache | Major | fs/azure | Santhosh G Nayak | Santhosh G Nayak |
+| [MAPREDUCE-6881](https://issues.apache.org/jira/browse/MAPREDUCE-6881) | Fix warnings from Spotbugs in hadoop-mapreduce | Major | . | Weiwei Yang | Weiwei Yang |
+| [HADOOP-14346](https://issues.apache.org/jira/browse/HADOOP-14346) | CryptoOutputStream throws IOException on flush() if stream is closed | Major | . | Pierre Lacave | Pierre Lacave |
+| [HDFS-11709](https://issues.apache.org/jira/browse/HDFS-11709) | StandbyCheckpointer should handle an non-existing legacyOivImageDir gracefully | Critical | ha, namenode | Zhe Zhang | Erik Krogen |
+| [YARN-6534](https://issues.apache.org/jira/browse/YARN-6534) | ResourceManager failed due to TimelineClient try to init SSLFactory even https is not enabled | Blocker | . | Junping Du | Rohith Sharma K S |
+| [HADOOP-14354](https://issues.apache.org/jira/browse/HADOOP-14354) | SysInfoWindows is not thread safe | Major | . | Inigo Goiri | Inigo Goiri |
+| [YARN-5894](https://issues.apache.org/jira/browse/YARN-5894) | fixed license warning caused by de.ruedigermoeller:fst:jar:2.24 | Blocker | yarn | Haibo Chen | Haibo Chen |
+| [YARN-6472](https://issues.apache.org/jira/browse/YARN-6472) | Improve Java sandbox regex | Major | . | Miklos Szegedi | Greg Phillips |
+| [HADOOP-14320](https://issues.apache.org/jira/browse/HADOOP-14320) | TestIPC.testIpcWithReaderQueuing fails intermittently | Major | . | Eric Badger | Eric Badger |
+| [YARN-6536](https://issues.apache.org/jira/browse/YARN-6536) | TestAMRMClient.testAMRMClientWithSaslEncryption fails intermittently | Major | . | Eric Badger | Jason Lowe |
+| [HDFS-11718](https://issues.apache.org/jira/browse/HDFS-11718) | DFSStripedOutputStream hsync/hflush should not throw UnsupportedOperationException | Blocker | erasure-coding | Manoj Govindassamy | Manoj Govindassamy |
+| [HADOOP-14363](https://issues.apache.org/jira/browse/HADOOP-14363) | Inconsistent default block location in FileSystem javadoc | Trivial | fs | Mingliang Liu | Chen Liang |
+| [HADOOP-13901](https://issues.apache.org/jira/browse/HADOOP-13901) | Fix ASF License warnings | Major | build | Akira Ajisaka | Akira Ajisaka |
+| [YARN-6518](https://issues.apache.org/jira/browse/YARN-6518) | Fix warnings from Spotbugs in hadoop-yarn-server-timelineservice | Major | . | Weiwei Yang | Weiwei Yang |
+| [YARN-6520](https://issues.apache.org/jira/browse/YARN-6520) | Fix warnings from Spotbugs in hadoop-yarn-client | Major | . | Weiwei Yang | Weiwei Yang |
+| [HDFS-11609](https://issues.apache.org/jira/browse/HDFS-11609) | Some blocks can be permanently lost if nodes are decommissioned while dead | Blocker | namenode | Kihwal Lee | Kihwal Lee |
+| [HDFS-11724](https://issues.apache.org/jira/browse/HDFS-11724) | libhdfs compilation is broken on OS X | Blocker | libhdfs | Allen Wittenauer | John Zhuge |
+| [HDFS-8498](https://issues.apache.org/jira/browse/HDFS-8498) | Blocks can be committed with wrong size | Critical | hdfs-client | Daryn Sharp | Jing Zhao |
+| [HDFS-11714](https://issues.apache.org/jira/browse/HDFS-11714) | Newly added NN storage directory won't get initialized and cause space exhaustion | Critical | . | Kihwal Lee | Kihwal Lee |
+| [HADOOP-14366](https://issues.apache.org/jira/browse/HADOOP-14366) | maven upgrade broke start-build-env.sh | Blocker | build | Allen Wittenauer | Akira Ajisaka |
+| [HDFS-11593](https://issues.apache.org/jira/browse/HDFS-11593) | Change SimpleHttpProxyHandler#exceptionCaught log level from info to debug | Minor | datanode | Xiaoyu Yao | Xiaobing Zhou |
+| [HDFS-11710](https://issues.apache.org/jira/browse/HDFS-11710) | hadoop-hdfs-native-client build fails in trunk in Windows after HDFS-11529 | Blocker | native | Vinayakumar B | Sailesh Mukil |
+| [HADOOP-14371](https://issues.apache.org/jira/browse/HADOOP-14371) | License error in TestLoadBalancingKMSClientProvider.java | Major | . | hu xiaodong | hu xiaodong |
+| [HADOOP-14369](https://issues.apache.org/jira/browse/HADOOP-14369) | NetworkTopology calls expensive toString() when logging | Major | . | Inigo Goiri | Inigo Goiri |
+| [HADOOP-14281](https://issues.apache.org/jira/browse/HADOOP-14281) | Fix TestKafkaMetrics#testPutMetrics | Major | metrics | Akira Ajisaka | Alison Yu |
+| [YARN-6519](https://issues.apache.org/jira/browse/YARN-6519) | Fix warnings from Spotbugs in hadoop-yarn-server-resourcemanager | Major | resourcemanager | Weiwei Yang | Weiwei Yang |
+| [YARN-6481](https://issues.apache.org/jira/browse/YARN-6481) | Yarn top shows negative container number in FS | Major | yarn | Yufei Gu | Tao Jie |
+| [HADOOP-14306](https://issues.apache.org/jira/browse/HADOOP-14306) | TestLocalFileSystem tests have very low timeouts | Major | . | Eric Badger | Eric Badger |
+| [HADOOP-14372](https://issues.apache.org/jira/browse/HADOOP-14372) | TestSymlinkLocalFS timeouts are too low | Major | . | Eric Badger | Eric Badger |
+| [HDFS-11739](https://issues.apache.org/jira/browse/HDFS-11739) | Fix regression in tests caused by YARN-679 | Major | test | Steve Loughran | Steve Loughran |
+| [HDFS-11643](https://issues.apache.org/jira/browse/HDFS-11643) | Add shouldReplicate option to create builder | Blocker | balancer & mover, erasure-coding | Andrew Wang | SammiChen |
+| [HADOOP-14380](https://issues.apache.org/jira/browse/HADOOP-14380) | Make the Guava version Hadoop which builds with configurable | Major | build | Steve Loughran | Steve Loughran |
+| [HDFS-11448](https://issues.apache.org/jira/browse/HDFS-11448) | JN log segment syncing should support HA upgrade | Major | hdfs | Hanisha Koneru | Hanisha Koneru |
+| [HADOOP-14207](https://issues.apache.org/jira/browse/HADOOP-14207) | "dfsadmin -refreshCallQueue" fails with DecayRpcScheduler | Blocker | rpc-server | Surendra Singh Lilhore | Surendra Singh Lilhore |
+| [HADOOP-14298](https://issues.apache.org/jira/browse/HADOOP-14298) | TestHadoopArchiveLogsRunner fails | Major | test | Akira Ajisaka | Akira Ajisaka |
+| [HDFS-11702](https://issues.apache.org/jira/browse/HDFS-11702) | Remove indefinite caching of key provider uri in DFSClient | Major | hdfs-client | Rushabh S Shah | Rushabh S Shah |
+| [YARN-3839](https://issues.apache.org/jira/browse/YARN-3839) | Quit throwing NMNotYetReadyException | Major | nodemanager | Karthik Kambatla | Manikandan R |
+| [HADOOP-14374](https://issues.apache.org
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