“Apache Hadoop” Changelog

Release 3.0.0-alpha4 - 2017-06-30

INCOMPATIBLE CHANGES:

JIRA Summary Priority Component Reporter Contributor
HDFS-10860 Switch HttpFS from Tomcat to Jetty Blocker httpfs John Zhuge John Zhuge
HADOOP-13929 ADLS connector should not check in contract-test-options.xml Major fs/adl, test John Zhuge John Zhuge
HDFS-11100 Recursively deleting file protected by sticky bit should fail Critical fs John Zhuge John Zhuge
HADOOP-13805 UGI.getCurrentUser() fails if user does not have a keytab associated Major security Alejandro Abdelnur Xiao Chen
HDFS-11405 Rename “erasurecode” CLI subcommand to “ec” Blocker erasure-coding Andrew Wang Manoj Govindassamy
HDFS-11426 Refactor EC CLI to be similar to storage policies CLI Major erasure-coding, shell Andrew Wang Andrew Wang
HDFS-11427 Rename “rs-default” to “rs” Major erasure-coding Andrew Wang Andrew Wang
HDFS-11382 Persist Erasure Coding Policy ID in a new optional field in INodeFile in FSImage Major hdfs Manoj Govindassamy Manoj Govindassamy
HDFS-11428 Change setErasureCodingPolicy to take a required string EC policy name Major erasure-coding Andrew Wang Andrew Wang
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 Start erasure coding policy ID number from 1 instead of 0 to void potential unexpected errors Blocker erasure-coding SammiChen SammiChen
HDFS-11314 Enforce set of enabled EC policies on the NameNode Blocker erasure-coding Andrew Wang Andrew Wang
HDFS-11505 Do not enable any erasure coding policies by default Major erasure-coding Andrew Wang Manoj Govindassamy
HADOOP-10101 Update guava dependency to the latest version Major . Rakesh R Tsuyoshi Ozawa
HADOOP-14267 Make DistCpOptions class immutable Major tools/distcp Mingliang Liu Mingliang Liu
HADOOP-14202 fix jsvc/secure user var inconsistencies Major scripts Allen Wittenauer Allen Wittenauer
HADOOP-14174 Set default ADLS access token provider type to ClientCredential Major fs/adl John Zhuge John Zhuge
YARN-6298 Metric preemptCall is not used in new preemption Blocker fairscheduler Yufei Gu Yufei Gu
HADOOP-14285 Update minimum version of Maven from 3.0 to 3.3 Major . Akira Ajisaka Akira Ajisaka
HADOOP-14225 Remove xmlenc dependency Minor . Chris Douglas Chris Douglas
HADOOP-13665 Erasure Coding codec should support fallback coder Blocker io Wei-Chiu Chuang Kai Sasaki
HADOOP-14248 Retire SharedInstanceProfileCredentialsProvider in trunk. Major fs/s3 Mingliang Liu Mingliang Liu
HDFS-11565 Use compact identifiers for built-in ECPolicies in HdfsFileStatus Blocker erasure-coding Andrew Wang Andrew Wang
YARN-3427 Remove deprecated methods from ResourceCalculatorProcessTree Blocker . Karthik Kambatla Miklos Szegedi
HDFS-11402 HDFS Snapshots should capture point-in-time copies of OPEN files Major hdfs Manoj Govindassamy Manoj Govindassamy
HADOOP-10105 remove httpclient dependency Blocker build Colin P. McCabe Akira Ajisaka
HADOOP-13200 Implement customizable and configurable erasure coders Blocker . Kai Zheng Tim Yao
YARN-2962 ZKRMStateStore: Limit the number of znodes under a znode Critical resourcemanager Karthik Kambatla Varun Saxena
HADOOP-14386 Rewind trunk from Guava 21.0 back to Guava 11.0.2 Blocker . Andrew Wang Andrew Wang
HADOOP-14401 maven-project-info-reports-plugin can be removed Major . Andras Bokor Andras Bokor
HADOOP-14375 Remove tomcat support from hadoop-functions.sh Minor scripts Allen Wittenauer John Zhuge
HADOOP-14419 Remove findbugs report from docs profile Minor . Andras Bokor Andras Bokor
HADOOP-14426 Upgrade Kerby version from 1.0.0-RC2 to 1.0.0 Blocker security Jiajia Li Jiajia Li
HADOOP-13921 Remove Log4j classes from JobConf Critical conf Sean Busbey Sean Busbey
HADOOP-8143 Change distcp to have -pb on by default Minor . Dave Thompson Mithun Radhakrishnan
HADOOP-14502 Confusion/name conflict between NameNodeActivity#BlockReportNumOps and RpcDetailedActivity#BlockReportNumOps Minor metrics Erik Krogen Erik Krogen
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 Support for multi-cluster delegation tokens Minor security Clay B. Jian He
YARN-5864 YARN Capacity Scheduler - Queue Priorities Major . Wangda Tan Wangda Tan
HDFS-11194 Maintain aggregated peer performance metrics on NameNode Major namenode Xiaobing Zhou Arpit Agarwal
HADOOP-14049 Honour AclBit flag associated to file/folder permission for Azure datalake account Major fs/adl Vishwajeet Dusane Vishwajeet Dusane
YARN-5280 Allow YARN containers to run with Java Security Manager Minor nodemanager, yarn Greg Phillips Greg Phillips
HADOOP-14048 REDO operation of WASB#AtomicRename should create placeholder blob for destination folder Critical fs/azure NITIN VERMA NITIN VERMA
YARN-6451 Add RM monitor validating metrics invariants Major . Carlo Curino Carlo Curino
MAPREDUCE-6871 Allow users to specify racks and nodes for strict locality for AMs Major client Robert Kanter Robert Kanter
HDFS-11417 Add datanode admin command to get the storage info. Major . Surendra Singh Lilhore Surendra Singh Lilhore
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 Document -DskipShade property in BUILDING.txt Minor build, documentation Hanisha Koneru Hanisha Koneru
HADOOP-13956 Read ADLS credentials from Credential Provider Critical fs/adl John Zhuge John Zhuge
HADOOP-13962 Update ADLS SDK to 2.1.4 Major fs/adl John Zhuge John Zhuge
YARN-5547 NMLeveldbStateStore should be more tolerant of unknown keys Major nodemanager Jason Lowe Ajith S
HADOOP-13990 Document KMS usage of CredentialProvider API Minor documentation, kms John Zhuge John Zhuge
HDFS-10534 NameNode WebUI should display DataNode usage histogram Major namenode, ui Zhe Zhang Kai Sasaki
MAPREDUCE-6829 Add peak memory usage counter for each task Major mrv2 Yufei Gu Miklos Szegedi
HDFS-11374 Skip FSync in Test util CreateEditsLog to speed up edit log generation Minor hdfs Hanisha Koneru Hanisha Koneru
HDFS-9884 Use doxia macro to generate in-page TOC of HDFS site documentation Major documentation Masatake Iwasaki Masatake Iwasaki
YARN-6131 FairScheduler: Lower update interval for faster tests Major fairscheduler Karthik Kambatla Karthik Kambatla
YARN-6106 Document FairScheduler ‘allowPreemptionFrom’ queue property Minor fairscheduler Yufei Gu Yufei Gu
YARN-4658 Typo in o.a.h.yarn.server.resourcemanager.scheduler.fair.TestFairScheduler comment Major . Daniel Templeton Udai Kiran Potluri
MAPREDUCE-6644 Use doxia macro to generate in-page TOC of MapReduce site documentation Major documentation Masatake Iwasaki Masatake Iwasaki
HDFS-11370 Optimize NamenodeFsck#getReplicaInfo Minor namenode Takanobu Asanuma Takanobu Asanuma
HDFS-11112 Journal Nodes should refuse to format non-empty directories Major . Arpit Agarwal Yiqun Lin
HDFS-11353 Improve the unit tests relevant to DataNode volume failure testing Major . Yiqun Lin Yiqun Lin
HADOOP-14053 Update the link to HTrace SpanReceivers Minor documentation Akira Ajisaka Yiqun Lin
HADOOP-12097 Allow port range to be specified while starting webapp Major . Varun Saxena Varun Saxena
HDFS-10219 Change the default value for dfs.namenode.reconstruction.pending.timeout-sec from -1 to 300 Minor . Akira Ajisaka Yiqun Lin
MAPREDUCE-6404 Allow AM to specify a port range for starting its webapp Major applicationmaster Varun Saxena Varun Saxena
MAPREDUCE-6842 Update the links in PiEstimator document Minor documentation Akira Ajisaka Jung Yoo
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 DatanodeInfo getNetworkLocation and setNetworkLocation shoud use volatile instead of synchronized Minor performance Chen Liang Chen Liang
YARN-6061 Add an UncaughtExceptionHandler for critical threads in RM Major resourcemanager Yufei Gu Yufei Gu
YARN-4753 Use doxia macro to generate in-page TOC of YARN site documentation Major documentation Masatake Iwasaki Masatake Iwasaki
HDFS-11333 Print a user friendly error message when plugins are not found Minor namenode Wei-Chiu Chuang Wei-Chiu Chuang
YARN-6174 Log files pattern should be same for both running and finished container Major yarn Sumana Sathish Xuan Gong
HDFS-11375 Display the volume storage type in datanode UI Minor datanode, ui Surendra Singh Lilhore Surendra Singh Lilhore
YARN-6125 The application attempt’s diagnostic message should have a maximum size Critical resourcemanager Daniel Templeton Andras Piros
HADOOP-14077 Improve the patch of HADOOP-13119 Major security Yuanbo Liu Yuanbo Liu
HDFS-11406 Remove unused getStartInstance and getFinalizeInstance in FSEditLogOp Trivial . Andrew Wang Alison Yu
HDFS-11438 Fix typo in error message of StoragePolicyAdmin tool Trivial . Alison Yu Alison Yu
YARN-6194 Cluster capacity in SchedulingPolicy is updated only on allocation file reload Major fairscheduler Karthik Kambatla Yufei Gu
HADOOP-13321 Deprecate FileSystem APIs that promote inefficient call patterns. Major fs Chris Nauroth Mingliang Liu
HADOOP-14097 Remove Java6 specific code from GzipCodec.java Minor . Akira Ajisaka Elek, Marton
HADOOP-13817 Add a finite shell command timeout to ShellBasedUnixGroupsMapping Minor security Harsh J Harsh J
HDFS-11295 Check storage remaining instead of node remaining in BlockPlacementPolicyDefault.chooseReplicaToDelete() Major namenode Xiao Liang Elek, Marton
HADOOP-14127 Add log4j configuration to enable logging in hadoop-distcp’s tests Minor test Xiao Chen Xiao Chen
HDFS-11466 Change dfs.namenode.write-lock-reporting-threshold-ms default from 1000ms to 5000ms Major namenode Andrew Wang Andrew Wang
YARN-6189 Improve application status log message when RM restarted when app is in NEW state Major . Yesha Vora Junping Du
HDFS-11432 Federation : Support fully qualified path for Quota/Snapshot/cacheadmin/cryptoadmin commands Major federation Brahma Reddy Battula Brahma Reddy Battula
HDFS-11461 DataNode Disk Outlier Detection Major hdfs Hanisha Koneru Hanisha Koneru
HDFS-11416 Refactor out system default erasure coding policy Major erasure-coding Andrew Wang Andrew Wang
HADOOP-13930 Azure: Add Authorization support to WASB Major fs/azure Dushyanth Sivaguru Sankaridurg
HDFS-11494 Log message when DN is not selected for block replication Minor . Yiqun Lin Yiqun Lin
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 CLI MiniCluster: add an option to specify NameNode HTTP port Minor . Takanobu Asanuma Takanobu Asanuma
HDFS-10838 Last full block report received time for each DN should be easily discoverable Major ui Arpit Agarwal Surendra Singh Lilhore
HDFS-11477 Simplify file IO profiling configuration Minor . Hanisha Koneru Hanisha Koneru
YARN-6287 RMCriticalThreadUncaughtExceptionHandler.rmContext should be final Minor resourcemanager Daniel Templeton Corey Barker
HADOOP-14150 Implement getHomeDirectory() method in NativeAzureFileSystem Critical fs/azure Namit Maheshwari Santhosh G Nayak
YARN-6300 NULL_UPDATE_REQUESTS is redundant in TestFairScheduler Minor . Daniel Templeton Yuanbo Liu
HDFS-11506 Move ErasureCodingPolicyManager#getSystemDefaultPolicy to test code Major erasure-coding Andrew Wang Manoj Govindassamy
HADOOP-13946 Document how HDFS updates timestamps in the FS spec; compare with object stores Minor documentation, fs Steve Loughran Steve Loughran
YARN-6042 Dump scheduler and queue state information into FairScheduler DEBUG log Major fairscheduler Yufei Gu Yufei Gu
HDFS-11511 Support Timeout when checking single disk Major hdfs Hanisha Koneru Hanisha Koneru
HDFS-10601 Improve log message to include hostname when the NameNode is in safemode Minor . Kuhu Shukla Kuhu Shukla
HDFS-11517 Expose slow disks via DataNode JMX Major hdfs Hanisha Koneru Hanisha Koneru
HADOOP-14169 Implement listStatusIterator, listLocatedStatus for ViewFs Minor viewfs Erik Krogen Erik Krogen
HDFS-11547 Add logs for slow BlockReceiver while writing data to disk Major datanode Xiaobing Zhou Xiaobing Zhou
MAPREDUCE-6865 Fix typo in javadoc for DistributedCache Trivial . Attila Sasvari Attila Sasvari
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 Azure: Add Kerberos and Delegation token support to WASB client. Major fs/azure Santhosh G Nayak Santhosh G Nayak
HDFS-11545 Propagate DataNode’s slow disks info to the NameNode via Heartbeat Major . Hanisha Koneru Hanisha Koneru
YARN-6284 hasAlreadyRun should be final in ResourceManager.StandByTransitionRunnable Major resourcemanager Daniel Templeton Laura Adams
HADOOP-14213 Move Configuration runtime check for hadoop-site.xml to initialization Major . Jonathan Eagles Jonathan Eagles
HDFS-10649 Remove unused PermissionStatus#applyUMask Trivial . John Zhuge Chen Liang
HDFS-11574 Spelling mistakes in the Java source Trivial . hu xiaodong hu xiaodong
HDFS-11534 Add counters for number of blocks in pending IBR Major hdfs Xiaobing Zhou Xiaobing Zhou
YARN-5956 Refactor ClientRMService to unify error handling across apis Minor resourcemanager Kai Sasaki Kai Sasaki
YARN-6379 Remove unused argument in ClientRMService Trivial . Kai Sasaki Kai Sasaki
HADOOP-14233 Delay construction of PreCondition.check failure message in Configuration#set Major . Jonathan Eagles Jonathan Eagles
HADOOP-14240 Configuration#get return value optimization Major . Jonathan Eagles Jonathan Eagles
YARN-6339 Improve performance for createAndGetApplicationReport Major . yunjiong zhao yunjiong zhao
HDFS-11170 Add builder-based create API to FileSystem Major . SammiChen SammiChen
YARN-6329 Remove unnecessary TODO comment from AppLogAggregatorImpl.java Minor . Akira Ajisaka victor bertschinger
HDFS-9705 Refine the behaviour of getFileChecksum when length = 0 Minor . Kai Zheng SammiChen
HADOOP-14250 Correct spelling of ‘separate’ and variants Minor . Doris Gu Doris Gu
HDFS-10974 Document replication factor for EC files. Major documentation, erasure-coding Wei-Chiu Chuang Yiqun Lin
HDFS-11551 Handle SlowDiskReport from DataNode at the NameNode Major hdfs Hanisha Koneru Hanisha Koneru
HDFS-11603 Improve slow mirror/disk warnings in BlockReceiver Major datanode Arpit Agarwal Arpit Agarwal
HDFS-11560 Expose slow disks via NameNode JMX Major namenode Hanisha Koneru Hanisha Koneru
HDFS-11598 Improve -setrep for Erasure Coded files Major shell Wei-Chiu Chuang Yiqun Lin
HDFS-9651 All web UIs should include a robots.txt file Minor . Lars Francke Lars Francke
HADOOP-14280 Fix compilation of TestKafkaMetrics Major tools Andrew Wang Andrew Wang
HDFS-11628 Clarify the behavior of HDFS Mover in documentation Major documentation Xiaobing Zhou Xiaobing Zhou
YARN-6381 FSAppAttempt has several variables that should be final Major fairscheduler Daniel Templeton Ameet Zaveri
HDFS-11302 Improve Logging for SSLHostnameVerifier Major security Xiaoyu Yao Chen Liang
HADOOP-14104 Client should always ask namenode for kms provider path. Major kms Rushabh S Shah Rushabh S Shah
YARN-5797 Add metrics to the node manager for cleaning the PUBLIC and PRIVATE caches Major . Chris Trezzo Chris Trezzo
HADOOP-14276 Add a nanosecond API to Time/Timer/FakeTimer Minor util Erik Krogen Erik Krogen
HDFS-11623 Move system erasure coding policies into hadoop-hdfs-client Major erasure-coding Andrew Wang Andrew Wang
HADOOP-14008 Upgrade to Apache Yetus 0.4.0 Major build, documentation, test Allen Wittenauer Allen Wittenauer
YARN-6195 Export UsedCapacity and AbsoluteUsedCapacity to JMX Major capacityscheduler, metrics, yarn Benson Qiu Benson Qiu
HDFS-11558 BPServiceActor thread name is too long Minor datanode Tsz Wo Nicholas Sze Xiaobing Zhou
HADOOP-14246 Authentication Tokens should use SecureRandom instead of Random and 256 bit secrets Major security Robert Kanter Robert Kanter
HDFS-11645 DataXceiver thread should log the actual error when getting InvalidMagicNumberException Minor datanode Chen Liang Chen Liang
HDFS-11648 Lazy construct the IIP pathname Major . Daryn Sharp Daryn Sharp
HADOOP-14274 Azure: Simplify Ranger-WASB policy model Major fs/azure Sivaguru Sankaridurg Sivaguru Sankaridurg
MAPREDUCE-6673 Add a test example job that grows in memory usage over time Major test Karthik Kambatla Karthik Kambatla
HADOOP-11794 Enable distcp to copy blocks in parallel Major tools/distcp dhruba borthakur Yongjun Zhang
YARN-6406 Remove SchedulerRequestKeys when no more pending ResourceRequest Major . Arun Suresh Arun Suresh
HDFS-11652 Improve ECSchema and ErasureCodingPolicy toString, hashCode, equals Minor erasure-coding Andrew Wang Andrew Wang
HDFS-11634 Optimize BlockIterator when iterating starts in the middle. Major . Konstantin Shvachko Konstantin Shvachko
HDFS-11531 Expose hedged read metrics via libHDFS API Major libhdfs Sailesh Mukil Sailesh Mukil
HADOOP-14316 Switch from Findbugs to Spotbugs Major build Allen Wittenauer Allen Wittenauer
YARN-6164 Expose Queue Configurations per Node Label through YARN client api Major . Benson Qiu Benson Qiu
YARN-6392 Add submit time to Application Summary log Minor resourcemanager zhihai xu zhihai xu
HADOOP-12856 FileUtil.checkDest() and RawLocalFileSystem.mkdirs() to throw stricter IOEs; RawLocalFS contract tests to verify Minor fs Steve Loughran Steve Loughran
HADOOP-14340 Enable KMS and HttpFS to exclude SSL ciphers Minor kms John Zhuge John Zhuge
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 Add PowerShell NodeFencer Minor ha Inigo Goiri Inigo Goiri
HADOOP-14359 Remove unnecessary shading of commons-httpclient Minor . Akira Ajisaka Wei-Chiu Chuang
HADOOP-14367 Remove unused setting from pom.xml Minor build Akira Ajisaka Chen Liang
HADOOP-14352 Make some HttpServer2 SSL properties optional Minor kms John Zhuge John Zhuge
HDFS-11722 Change Datanode file IO profiling sampling to percentage Major hdfs Hanisha Koneru Hanisha Koneru
HDFS-11687 Add new public encryption APIs required by Hive Major encryption Andrew Wang Lei (Eddy) Xu
HADOOP-14382 Remove usages of MoreObjects.toStringHelper Minor metrics Andrew Wang Andrew Wang
HDFS-9807 Add an optional StorageID to writes Major . Chris Douglas Ewan Higgs
HADOOP-14390 Correct spelling of ‘succeed’ and variants Trivial . Dongtao Zhang Dongtao Zhang
HADOOP-14383 Implement FileSystem that reads from HTTP / HTTPS endpoints Major fs Haohui Mai Haohui Mai
YARN-6457 Allow custom SSL configuration to be supplied in WebApps Major webapp, yarn Sanjay M Pujare Sanjay M Pujare
HADOOP-14216 Improve Configuration XML Parsing Performance Major . Jonathan Eagles Jonathan Eagles
MAPREDUCE-6883 AuditLogger and TestAuditLogger are dead code Minor client Daniel Templeton Vrushali C
HDFS-11800 Document output of ‘hdfs count -u’ should contain PATHNAME Minor hdfs Xiaobing Zhou Xiaobing Zhou
HADOOP-14413 Add Javadoc comment for jitter parameter on CachingGetSpaceUsed Trivial . Erik Krogen Erik Krogen
HDFS-11757 Query StreamCapabilities when creating balancer’s lock file Major balancer & mover Andrew Wang SammiChen
HDFS-11641 Reduce cost of audit logging by using FileStatus instead of HdfsFileStatus Major hdfs Daryn Sharp Daryn Sharp
YARN-6447 Provide container sandbox policies for groups Minor nodemanager, yarn Greg Phillips Greg Phillips
HADOOP-14415 Use java.lang.AssertionError instead of junit.framework.AssertionFailedError Minor . Akira Ajisaka Chen Liang
HDFS-11803 Add -v option for du command to show header line Major hdfs Xiaobing Zhou Xiaobing Zhou
YARN-6493 Print requested node partition in assignContainer logs Major . Jonathan Hung Jonathan Hung
HDFS-11793 Allow to enable user defined erasure coding policy Major erasure-coding SammiChen SammiChen
HADOOP-14407 DistCp - Introduce a configurable copy buffer size Major tools/distcp Omkar Aradhya K S Omkar Aradhya K S
YARN-6582 FSAppAttempt demand can be updated atomically in updateDemand() Major . Karthik Kambatla Karthik Kambatla
HDFS-11421 Make WebHDFS’ ACLs RegEx configurable Major webhdfs Harsh J Harsh J
HDFS-11891 DU#refresh should print the path of the directory when an exception is caught Minor . Chen Liang Chen Liang
HADOOP-14442 Owner support for ranger-wasb integration Major fs, fs/azure Varada Hemeswari Varada Hemeswari
HDFS-11832 Switch leftover logs to slf4j format in BlockManager.java Minor namenode Hui Xu Chen Liang
YARN-6477 Dispatcher no longer needs the raw types suppression Minor . Daniel Templeton Maya Wexler
YARN-6497 Method length of ResourceManager#serviceInit() is too long Minor resourcemanager Yufei Gu Gergely Novák
HDFS-11383 Intern strings in BlockLocation and ExtendedBlock Major . Misha Dmitriev Misha Dmitriev
YARN-6208 Improve the log when FinishAppEvent sent to the NodeManager which didn’t run the application Minor . Akira Ajisaka Akira Ajisaka
HADOOP-14440 Add metrics for connections dropped Major . Eric Badger Eric Badger
HADOOP-14485 Redundant ‘final’ modifier in try-with-resources statement Minor . Wenxin He Wenxin He
HADOOP-14491 Azure has messed doc structure Major documentation, fs/azure Mingliang Liu Mingliang Liu
HDFS-11914 Add more diagnosis info for fsimage transfer failure. Major . Yongjun Zhang Yongjun Zhang
HDFS-11840 Log HDFS Mover exception message of exit to its own log Minor balancer & mover LiXin Ge LiXin Ge
HDFS-11861 ipc.Client.Connection#sendRpcRequest should log request name Trivial ipc John Zhuge John Zhuge
HADOOP-14465 LdapGroupsMapping - support user and group search base Major common, security Shwetha G S Shwetha G S
HADOOP-14310 RolloverSignerSecretProvider.LOG should be @VisibleForTesting Minor security Daniel Templeton Arun Shanmugam Kumar
HDFS-11907 Add metric for time taken by NameNode resource check Major . Chen Liang Chen Liang
HADOOP-14503 Make RollingAverages a mutable metric Major common Hanisha Koneru Hanisha Koneru
HADOOP-14506 Add create() contract test that verifies ancestor dir creation Minor fs Aaron Fabbri Sean Mackrory
HADOOP-14523 OpensslAesCtrCryptoCodec.finalize() holds excessive amounts of memory Major . Misha Dmitriev Misha Dmitriev
HADOOP-14524 Make CryptoCodec Closeable so it can be cleaned up proactively Major . Xiao Chen Xiao Chen
HADOOP-14424 Add CRC32C performance test. Minor common LiXin Ge LiXin Ge
HDFS-10480 Add an admin command to list currently open files Major . Kihwal Lee Manoj Govindassamy
HDFS-11345 Document the configuration key for FSNamesystem lock fairness Minor documentation, namenode Zhe Zhang Erik Krogen
HDFS-11647 Add -E option in hdfs “count” command to show erasure policy summarization Major . SammiChen luhuichun
HDFS-11789 Maintain Short-Circuit Read Statistics Major hdfs-client Hanisha Koneru Hanisha Koneru
HDFS-11943 [Erasure coding] Warn log frequently print to screen in doEncode/doDecode functions Major erasure-coding, native liaoyuxiangqin liaoyuxiangqin
HDFS-11992 Replace commons-logging APIs with slf4j in FsDatasetImpl Major . Akira Ajisaka hu xiaodong
HDFS-11993 Add log info when connect to datanode socket address failed Major hdfs-client chencan chencan
YARN-6634 [API] Refactor ResourceManager WebServices to make API explicit Critical resourcemanager Subru Krishnan Giovanni Matteo Fumarola
HDFS-12045 Add log when Diskbalancer volume is transient storage type Major diskbalancer steven-wugang steven-wugang
HADOOP-14536 Update azure-storage sdk to version 5.3.0 Major fs/azure Mingliang Liu Georgi Chalakov
YARN-6738 LevelDBCacheTimelineStore should reuse ObjectMapper instances Major timelineserver Zoltan Haindrich Zoltan Haindrich
HADOOP-14515 Specifically configure zookeeper-related log levels in KMS log4j Major kms Xiao Chen Xiao Chen
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 NameNode consumes a lot of memory for snapshot diff report generation Major hdfs, snapshots Manoj Govindassamy Manoj Govindassamy
HADOOP-14602 allow custom release notes/changelog during create-release Minor build, scripts Allen Wittenauer Allen Wittenauer
HADOOP-14611 NetworkTopology.DEFAULT_HOST_LEVEL is unused Trivial . Daniel Templeton Chen Liang
YARN-6751 Display reserved resources in web UI per queue Major fairscheduler, webapp Abdullah Yousufi Abdullah Yousufi
YARN-5892 Support user-specific minimum user limit percentage in Capacity Scheduler Major capacityscheduler Eric Payne Eric Payne
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 TestGridmixMemoryEmulation and TestResourceUsageEmulators fail on the environment other than Linux or Windows Major test Akira Ajisaka Akira Ajisaka
YARN-6012 Remove node label (removeFromClusterNodeLabels) document is missing Major documentation Weiwei Yang Ying Zhang
YARN-6117 SharedCacheManager does not start up Major . Chris Trezzo Chris Trezzo
YARN-6082 Invalid REST api response for getApps since queueUsagePercentage is coming as INF Critical . Sunil G Sunil G
HDFS-11365 Log portnumber in PrivilegedNfsGatewayStarter Minor nfs Mukul Kumar Singh Mukul Kumar Singh
MAPREDUCE-6808 Log map attempts as part of shuffle handler audit log Major . Jonathan Eagles Gergő Pásztor
HADOOP-13989 Remove erroneous source jar option from hadoop-client shade configuration Minor build Joe Pallas Joe Pallas
HDFS-11369 Change exception message in StorageLocationChecker Minor datanode Arpit Agarwal Arpit Agarwal
YARN-4975 Fair Scheduler: exception thrown when a parent queue marked ‘parent’ has configured child queues Major fairscheduler Ashwin Shankar Yufei Gu
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 Revert HDFS-8377 Support HTTP/2 in datanode Major datanode Andrew Wang Xiao Chen
HADOOP-13988 KMSClientProvider does not work with WebHDFS and Apache Knox w/ProxyUser Major common, kms Greg Senia Xiaoyu Yao
HADOOP-14029 Fix KMSClientProvider for non-secure proxyuser use case Major common,kms Xiaoyu Yao Xiaoyu Yao
YARN-5641 Localizer leaves behind tarballs after container is complete Major . Eric Badger Eric Badger
HADOOP-13992 KMS should load SSL configuration the same way as SSLFactory Major kms, security John Zhuge John Zhuge
HDFS-11378 Verify multiple DataNodes can be decommissioned/maintenance at the same time Major hdfs Manoj Govindassamy Manoj Govindassamy
YARN-6103 Log updates for ZKRMStateStore Trivial . Bibin A Chundatt Daniel Sturman
HADOOP-14018 shaded jars of hadoop-client modules are missing hadoop’s root LICENSE and NOTICE files Critical . John Zhuge Elek, Marton
HDFS-11335 Remove HdfsClientConfigKeys.DFS_CLIENT_SLOW_IO_WARNING_THRESHOLD_KEY usage from DNConf Major . Manoj Govindassamy Manoj Govindassamy
HADOOP-13895 Make FileStatus Serializable Minor fs Chris Douglas Chris Douglas
HADOOP-14045 Aliyun OSS documentation missing from website Major documentation, fs/oss Andrew Wang Yiqun Lin
HDFS-11363 Need more diagnosis info when seeing Slow waitForAckedSeqno Major . Yongjun Zhang Xiao Chen
HDFS-11387 Socket reuse address option is not honored in PrivilegedNfsGatewayStarter Major nfs Mukul Kumar Singh Mukul Kumar Singh
HADOOP-14044 Synchronization issue in delegation token cancel functionality Major . Hrishikesh Gadre Hrishikesh Gadre
HDFS-11371 Document missing metrics of erasure coding Minor documentation, erasure-coding Yiqun Lin Yiqun Lin
MAPREDUCE-6338 MR AppMaster does not honor ephemeral port range Major mr-am, mrv2 Frank Nguyen Frank Nguyen
HDFS-11377 Balancer hung due to no available mover threads Major balancer & mover yunjiong zhao yunjiong zhao
HADOOP-14047 Require admin to access KMS instrumentation servlets Minor kms John Zhuge John Zhuge
YARN-6135 Node manager REST API documentation is not up to date Trivial nodemanager, restapi Miklos Szegedi Miklos Szegedi
YARN-6145 Improve log message on fail over Major . Jian He Jian He
YARN-6031 Application recovery has failed when node label feature is turned off during RM recovery Minor scheduler Ying Zhang Ying Zhang
YARN-6137 Yarn client implicitly invoke ATS client which accesses HDFS Major . Yesha Vora Li Lu
HADOOP-13433 Race in UGI.reloginFromKeytab Major security Duo Zhang Duo Zhang
YARN-6112 UpdateCallDuration is calculated only when debug logging is enabled Major fairscheduler Yufei Gu Yufei Gu
YARN-6144 FairScheduler: preempted resources can become negative Blocker fairscheduler, resourcemanager Miklos Szegedi Miklos Szegedi
YARN-6118 Add javadoc for Resources.isNone Minor scheduler Karthik Kambatla Andres Perez
HADOOP-13119 Add ability to secure log servlet using proxy users Major . Jeffrey E Rodriguez Yuanbo Liu
YARN-6166 Unnecessary INFO logs in AMRMClientAsyncImpl$CallbackHandlerThread.run Trivial . Grant W Grant W
HADOOP-14055 SwiftRestClient includes pass length in exception if auth fails Minor security Marcell Hegedus Marcell Hegedus
HDFS-11403 Zookeper ACLs on NN HA enabled clusters to be handled consistently Major hdfs Laszlo Puskas Hanisha Koneru
HADOOP-13233 help of stat is confusing Trivial documentation, fs Xiaohe Lan Attila Bukor
YARN-3933 FairScheduler: Multiple calls to completedContainer are not safe Major fairscheduler Lavkesh Lahngir Shiwei Guo
HDFS-11407 Document the missing usages of OfflineImageViewer processors Minor documentation, tools Yiqun Lin Yiqun Lin
HDFS-11408 The config name of balance bandwidth is out of date Minor balancer & mover, documentation Yiqun Lin Yiqun Lin
HADOOP-14058 Fix NativeS3FileSystemContractBaseTest#testDirWithDifferentMarkersWorks Major fs/s3, test Akira Ajisaka Yiqun Lin
HDFS-11084 Add a regression test for sticky bit support of OIV ReverseXML processor Major tools Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-11391 Numeric usernames do no work with WebHDFS FS (write access) Major webhdfs Pierre Villard Pierre Villard
HADOOP-13924 Update checkstyle and checkstyle plugin version to handle indentation of JDK8 Lambdas Major . Xiaoyu Yao Akira Ajisaka
HDFS-11238 Fix checkstyle warnings in NameNode#createNameNode Trivial namenode Ethan Li Ethan Li
YARN-4212 FairScheduler: Can’t create a DRF queue under a FAIR policy queue Major . Arun Suresh Yufei Gu
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 ConcurrentModificationException on FSAppAttempt.containersToPreempt Major fairscheduler Miklos Szegedi Miklos Szegedi
HDFS-11410 Use the cached instance when edit logging SetAclOp, SetXAttrOp and RemoveXAttrOp Major namenode Xiao Chen Xiao Chen
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 DFSInputStream may infinite loop requesting block locations Critical hdfs-client Daryn Sharp Daryn Sharp
HADOOP-14092 Typo in hadoop-aws index.md Trivial fs/s3 John Zhuge John Zhuge
HDFS-11177 ‘storagepolicies -getStoragePolicy’ command should accept URI based path. Major shell Surendra Singh Lilhore Surendra Singh Lilhore
HDFS-11404 Increase timeout on TestShortCircuitLocalRead.testDeprecatedGetBlockLocalPathInfoRpc Major . Eric Badger Eric Badger
HADOOP-13826 S3A Deadlock in multipart copy due to thread pool limits. Critical fs/s3 Sean Mackrory Sean Mackrory
HADOOP-14017 User friendly name for ADLS user and group Major fs/adl John Zhuge Vishwajeet Dusane
MAPREDUCE-6825 YARNRunner#createApplicationSubmissionContext method is longer than 150 lines Trivial . Chris Trezzo Gergely Novák
YARN-6210 FS: Node reservations can interfere with preemption Major fairscheduler Karthik Kambatla Karthik Kambatla
YARN-6211 Synchronization improvement for moveApplicationAcrossQueues and updateApplicationPriority Major . Bibin A Chundatt Bibin A Chundatt
YARN-6222 TestFairScheduler.testReservationMetrics is flaky Major fairscheduler Yufei Gu Yufei Gu
HADOOP-14114 S3A can no longer handle unencoded + in URIs Minor fs/s3 Sean Mackrory Sean Mackrory
HADOOP-14116 FailoverOnNetworkExceptionRetry does not wait when failover on certain exception Major . Jian He Jian He
HDFS-11433 Document missing usages of OfflineEditsViewer processors Minor documentation, tools Yiqun Lin Yiqun Lin
HDFS-11462 Fix occasional BindException in TestNameNodeMetricsLogger Major test Arpit Agarwal Arpit Agarwal
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 FSLeafQueue demand update needs to be atomic Major resourcemanager Varun Saxena Miklos Szegedi
HADOOP-14119 Remove unused imports from GzipCodec.java Minor . Akira Ajisaka Yiqun Lin
MAPREDUCE-6841 Fix dead link in MapReduce tutorial document Minor documentation Akira Ajisaka Victor Nee
YARN-6231 FairSchedulerTestBase helper methods should call scheduler.update to avoid flakiness Major . Arun Suresh Karthik Kambatla
YARN-6239 Fix javac warnings in YARN that caused by deprecated FileSystem APIs Minor . Yiqun Lin Yiqun Lin
YARN-1728 Workaround guice3x-undecoded pathInfo in YARN WebApp Major . Abraham Elmahrek Yuanbo Liu
HADOOP-12556 KafkaSink jar files are created but not copied to target dist Major . Babak Behzad Babak Behzad
HDFS-11479 Socket re-use address option should be used in SimpleUdpServer Major nfs Mukul Kumar Singh Mukul Kumar Singh
HDFS-11478 Update EC commands in HDFSCommands.md Minor documentation, erasure-coding Yiqun Lin Yiqun Lin
MAPREDUCE-6852 Job#updateStatus() failed with NPE due to race condition Major . Junping Du Junping Du
MAPREDUCE-6753 Variable in byte printed directly in mapreduce client Major client Nemo Chen Kai Sasaki
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 NMTokenSecretManagerInRM.createAndGetNMToken is not thread safe Major yarn Haibo Chen Haibo Chen
YARN-6218 Fix TestAMRMClient when using FairScheduler Minor . Miklos Szegedi Miklos Szegedi
HDFS-11476 Fix NPE in FsDatasetImpl#checkAndUpdate Major datanode Xiaobing Zhou Xiaobing Zhou
YARN-6271 yarn rmadin -getGroups returns information from standby RM Critical yarn Sumana Sathish Jian He
YARN-6270 WebUtils.getRMWebAppURLWithScheme() needs to honor RM HA setting Major . Sumana Sathish Xuan Gong
YARN-6248 user is not removed from UsersManager’s when app is killed with pending container requests. Major . Eric Payne Eric Payne
HADOOP-14026 start-build-env.sh: invalid docker image name Major build Gergő Pásztor Gergő Pásztor
HDFS-11441 Add escaping to error message in KMS web UI Minor security Aaron T. Myers Aaron T. Myers
YARN-5665 Enhance documentation for yarn.resourcemanager.scheduler.class property Trivial documentation Miklos Szegedi Yufei Gu
HDFS-11498 Make RestCsrfPreventionHandler and WebHdfsHandler compatible with Netty 4.0 Major . Andrew Wang Andrew Wang
MAPREDUCE-6855 Specify charset when create String in CredentialsTestJob Minor . Akira Ajisaka Kai Sasaki
HADOOP-14087 S3A typo in pom.xml test exclusions Major fs/s3 Aaron Fabbri Aaron Fabbri
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 TestRecovery.testCrashed failed Major test Gergő Pásztor Gergő Pásztor
YARN-6207 Move application across queues should handle delayed event processing Major capacity scheduler Bibin A Chundatt Bibin A Chundatt
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 TestAppLogAggregatorImp.verifyFilesUploaded() should check # of filed uploaded with that of files expected Major . Haibo Chen Haibo Chen
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 Fix dead link in KMS document Minor documentation Akira Ajisaka Christina Vu
YARN-6264 AM not launched when a single vcore is available on the cluster Major fairscheduler Yufei Gu Yufei Gu
YARN-6310 OutputStreams in AggregatedLogFormat.LogWriter can be left open upon exceptions Major yarn Haibo Chen Haibo Chen
HADOOP-14062 ApplicationMasterProtocolPBClientImpl.allocate fails with EOFException when RPC privacy is enabled Critical . Steven Rand Steven Rand
YARN-6321 TestResources test timeouts are too aggressive Major test Jason Lowe Eric Badger
HDFS-11340 DataNode reconfigure for disks doesn’t remove the failed volumes Major . Manoj Govindassamy Manoj Govindassamy
HADOOP-14156 Fix grammar error in ConfTest.java Trivial test Andrey Dyatlov Andrey Dyatlov
HDFS-11512 Increase timeout on TestShortCircuitLocalRead#testSkipWithVerifyChecksum Minor . Eric Badger Eric Badger
HDFS-11499 Decommissioning stuck because of failing recovery Major hdfs, namenode Lukas Majercak Lukas Majercak
HDFS-11395 RequestHedgingProxyProvider#RequestHedgingInvocationHandler hides the Exception thrown from NameNode Major ha Nandakumar Nandakumar
HDFS-11526 Fix confusing block recovery message Minor datanode Wei-Chiu Chuang Yiqun Lin
YARN-6327 Removing queues from CapacitySchedulerQueueManager and ParentQueue should be done with iterator Major capacityscheduler Jonathan Hung Jonathan Hung
HADOOP-14170 FileSystemContractBaseTest is not cleaning up test directory clearly Major fs Mingliang Liu Mingliang Liu
YARN-6331 Fix flakiness in TestFairScheduler#testDumpState Major fairscheduler Yufei Gu Yufei Gu
YARN-6328 Fix a spelling mistake in CapacityScheduler Trivial capacity scheduler Jin Yibo Jin Yibo
HDFS-11420 Edit file should not be processed by the same type processor in OfflineEditsViewer Major tools Yiqun Lin Yiqun Lin
YARN-6294 ATS client should better handle Socket closed case Major timelineclient Sumana Sathish Li Lu
YARN-6332 Make RegistrySecurity use short user names for ZK ACLs Major . Billie Rinaldi Billie Rinaldi
YARN-4051 ContainerKillEvent lost when container is still recovering and application finishes Critical nodemanager sandflee sandflee
HDFS-11533 reuseAddress option should be used for child channels in Portmap and SimpleTcpServer Major nfs Mukul Kumar Singh Mukul Kumar Singh
HADOOP-14191 Duplicate hadoop-minikdc dependency in hadoop-common module Minor build Akira Ajisaka Xiaobing Zhou
HDFS-10394 move declaration of okhttp version from hdfs-client to hadoop-project POM Minor build Steve Loughran Xiaobing Zhou
HDFS-11516 Admin command line should print message to stderr in failure case Minor . Kai Sasaki Kai Sasaki
YARN-6217 TestLocalCacheDirectoryManager test timeout is too aggressive Major test Jason Lowe Miklos Szegedi
YARN-6353 Clean up OrderingPolicy javadoc Minor resourcemanager Daniel Templeton Daniel Templeton
HADOOP-14059 typo in s3a rename(self, subdir) error message Minor . Steve Loughran Steve Loughran
HDFS-6648 Order of namenodes in ConfiguredFailoverProxyProvider is undefined Major ha, hdfs-client Rafal Wojdyla Inigo Goiri
HADOOP-14204 S3A multipart commit failing, “UnsupportedOperationException at java.util.Collections$UnmodifiableList.sort” Critical fs/s3 Steve Loughran Steve Loughran
HADOOP-14187 Update ZooKeeper dependency to 3.4.9 and Curator dependency to 2.12.0 Major . Tsuyoshi Ozawa Tsuyoshi Ozawa
YARN-5934 Fix TestTimelineWebServices.testPrimaryFilterNumericString Major test Akira Ajisaka Akira Ajisaka
HDFS-11561 HttpFS doc errors Trivial documentation, httpfs, test Yuanbo Liu Yuanbo Liu
HADOOP-9631 ViewFs should use underlying FileSystem’s server side defaults Major fs, viewfs Lohit Vijayarenu Erik Krogen
HADOOP-14214 DomainSocketWatcher::add()/delete() should not self interrupt while looping await() Critical hdfs-client Mingliang Liu Mingliang Liu
HADOOP-14195 CredentialProviderFactory$getProviders is not thread-safe Major security Vihang Karajgaonkar Vihang Karajgaonkar
HADOOP-14211 FilterFs and ChRootedFs are too aggressive about enforcing “authorityNeeded” Major viewfs Erik Krogen Erik Krogen
YARN-6360 Prevent FS state dump logger from cramming other log files Major fairscheduler Yufei Gu Yufei Gu
YARN-6334 TestRMFailover#testAutomaticFailover always passes even when it should fail Major . Yufei Gu Yufei Gu
MAPREDUCE-6866 Fix getNumMapTasks() documentation in JobConf Minor documentation Joe Mészáros Joe Mészáros
MAPREDUCE-6868 License check for jdiff output files should be ignored Major build Akira Ajisaka Akira Ajisaka
HDFS-11555 Fix typos in class OfflineImageReconstructor Trivial . Yiqun Lin Yiqun Lin
HDFS-10506 OIV’s ReverseXML processor cannot reconstruct some snapshot details Major tools Colin P. McCabe Akira Ajisaka
HDFS-11486 Client close() should not fail fast if the last block is being decommissioned Major . Wei-Chiu Chuang Wei-Chiu Chuang
YARN-6359 TestRM#testApplicationKillAtAcceptedState fails rarely due to race condition Major test Robert Kanter Robert Kanter
YARN-5368 Memory leak in timeline server Critical timelineserver Wataru Yukawa Jonathan Eagles
YARN-6050 AMs can’t be scheduled on racks or nodes Major . Robert Kanter Robert Kanter
HDFS-11571 Typo in DataStorage exception message Minor datanode Daniel Templeton Anna Budai
YARN-5685 RM configuration allows all failover methods to disabled when automatic failover is enabled Critical resourcemanager Daniel Templeton Daniel Templeton
HADOOP-14223 Extend FileStatus#toString() to include details like Erasure Coding and Encryption Major fs Manoj Govindassamy Manoj Govindassamy
HADOOP-14247 FileContextMainOperationsBaseTest should clean up test root path Minor fs, test Mingliang Liu Mingliang Liu
MAPREDUCE-6862 Fragments are not handled correctly by resource limit checking Minor . Chris Trezzo Chris Trezzo
MAPREDUCE-6873 MR Job Submission Fails if MR framework application path not on defaultFS Minor mrv2 Erik Krogen Erik Krogen
HADOOP-14256 [S3A DOC] Correct the format for “Seoul” example Minor documentation, s3 Brahma Reddy Battula Brahma Reddy Battula
MAPREDUCE-6850 Shuffle Handler keep-alive connections are closed from the server side Major . Jonathan Eagles Jonathan Eagles
MAPREDUCE-6836 exception thrown when accessing the job configuration web UI Minor webapps Sangjin Lee Haibo Chen
HDFS-11592 Closing a file has a wasteful preconditions in NameNode Major namenode Eric Badger Eric Badger
YARN-6354 LeveldbRMStateStore can parse invalid keys when recovering reservations Major resourcemanager Jason Lowe Jason Lowe
YARN-5703 ReservationAgents are not correctly configured Major capacity scheduler, resourcemanager Sean Po Manikandan R
HADOOP-14268 Fix markdown itemization in hadoop-aws documents Minor documentation, fs/s3 Akira Ajisaka Akira Ajisaka
HADOOP-14271 Correct spelling of ‘occurred’ and variants Trivial . Yeliang Cang Yeliang Cang
HADOOP-14272 Azure: WasbRemoteCallHelper should use String equals for comparison. Major fs/azure Santhosh G Nayak Santhosh G Nayak
HADOOP-14273 Azure: NativeAzureFileSystem should respect config for kerberosSupportEnabled flag Major fs/azure Santhosh G Nayak Santhosh G Nayak
YARN-6436 TestSchedulingPolicy#testParseSchedulingPolicy timeout is too low Major test Jason Lowe Eric Badger
YARN-6004 Refactor TestResourceLocalizationService#testDownloadingResourcesOnContainer so that it is less than 150 lines Trivial test Chris Trezzo Chris Trezzo
YARN-6420 RM startup failure due to wrong order in nodelabel editlog Critical . Bibin A Chundatt Bibin A Chundatt
MAPREDUCE-6824 TaskAttemptImpl#createCommonContainerLaunchContext is longer than 150 lines Trivial . Chris Trezzo Chris Trezzo
YARN-6403 Invalid local resource request can raise NPE and make NM exit Major nodemanager Tao Yang Tao Yang
HDFS-11538 Move ClientProtocol HA proxies into hadoop-hdfs-client Blocker hdfs-client Andrew Wang Huafeng Wang
YARN-6437 TestSignalContainer#testSignalRequestDeliveryToNM fails intermittently Major test Jason Lowe Jason Lowe
YARN-6448 Continuous scheduling thread crashes while sorting nodes Major . Yufei Gu Yufei Gu
HDFS-11596 hadoop-hdfs-client jar is in the wrong directory in release tarball Critical build Andrew Wang Yuanbo Liu
MAPREDUCE-6846 Fragments specified for libjar paths are not handled correctly Minor . Chris Trezzo Chris Trezzo
HDFS-11131 TestThrottledAsyncChecker#testCancellation is flaky Major test Arpit Agarwal Arpit Agarwal
HDFS-11362 StorageDirectory should initialize a non-null default StorageDirType Minor hdfs Hanisha Koneru Hanisha Koneru
HDFS-11608 HDFS write crashed with block size greater than 2 GB Critical hdfs-client Xiaobing Zhou Xiaobing Zhou
MAPREDUCE-6201 TestNetworkedJob fails on trunk Major . Robert Kanter Peter Bacsko
YARN-6288 Exceptions during aggregated log writes are mishandled Critical log-aggregation Akira Ajisaka Akira Ajisaka
HADOOP-14287 Compiling trunk with -DskipShade fails Major build Arpit Agarwal Arun Suresh
YARN-6368 Decommissioning an NM results in a -1 exit code Minor . Miklos Szegedi Miklos Szegedi
HDFS-11633 FSImage failover disables all erasure coding policies Critical erasure-coding, namenode Wei-Chiu Chuang Wei-Chiu Chuang
HADOOP-14066 VersionInfo should be marked as public API Critical common Thejas M Nair Akira Ajisaka
YARN-6343 Docker docs MR example is broken Major nodemanager Daniel Templeton Prashant Jha
HADOOP-14293 Initialize FakeTimer with a less trivial value Major test Andrew Wang Andrew Wang
HADOOP-13545 Upgrade HSQLDB to 2.3.4 Minor build Giovanni Matteo Fumarola Giovanni Matteo Fumarola
HDFS-11637 Fix javac warning caused by the deprecated key used in TestDFSClientRetries#testFailuresArePerOperation Minor . Yiqun Lin Yiqun Lin
YARN-6461 TestRMAdminCLI has very low test timeouts Major test Jason Lowe Eric Badger
YARN-6463 correct spelling mistake in FileSystemRMStateStore Trivial . Yeliang Cang Yeliang Cang
YARN-6439 Fix ReservationSystem creation of default ReservationQueue Major . Carlo Curino Carlo Curino
HDFS-11630 TestThrottledAsyncCheckerTimeout fails intermittently in Jenkins builds Major hdfs Hanisha Koneru Hanisha Koneru
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 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 TestContainerManagerWithLCE requires override for each new test added to ContainerManagerTest Major test Jason Lowe Jason Lowe
YARN-3760 FSDataOutputStream leak in AggregatedLogFormat.LogWriter.close() Critical nodemanager Daryn Sharp Haibo Chen
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 TestCapacityScheduler.testAMLimitUsage fails intermittently Major . Eric Badger Eric Badger
YARN-6433 Only accessible cgroup mount directories should be selected for a controller Major nodemanager Miklos Szegedi Miklos Szegedi
YARN-6480 Timeout is too aggressive for TestAMRestart.testPreemptedAMRestartOnRMRestart Major . Eric Badger Eric Badger
HADOOP-14311 Add python2.7-dev to Dockerfile Major . Allen Wittenauer Allen Wittenauer
MAPREDUCE-6875 Rename mapred-site.xml.template to mapred-site.xml Minor build Allen Wittenauer Yuanbo Liu
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 FSNamesystemLock metrics can be inaccurate due to millisecond precision Major hdfs Erik Krogen Erik Krogen
HADOOP-14318 Remove non-existent setfattr command option from FileSystemShell.md Minor documentation Doris Gu Doris Gu
HADOOP-14315 Python example in the rack awareness document doesn’t work due to bad indentation Minor documentation Kengo Seki Kengo Seki
HDFS-11665 HttpFSServerWebServer$deprecateEnv may leak secret Major httpfs, security John Zhuge John Zhuge
HADOOP-14317 KMSWebServer$deprecateEnv may leak secret Major kms, security John Zhuge John Zhuge
HADOOP-13997 Typo in metrics docs Trivial documentation Daniel Templeton Ana Krasteva
YARN-6438 Code can be improved in ContainersMonitorImpl.java Minor nodemanager Miklos Szegedi Miklos Szegedi
YARN-6365 Get static SLS html resources from classpath Blocker scheduler-load-simulator Allen Wittenauer Yufei Gu
YARN-6202 Configuration item Dispatcher.DISPATCHER_EXIT_ON_ERROR_KEY is disregarded Major nodemanager, resourcemanager Yufei Gu Yufei Gu
YARN-6302 Fail the node if Linux Container Executor is not configured properly Minor . Miklos Szegedi Miklos Szegedi
HDFS-11671 TestReconstructStripedBlocks#test2RecoveryTasksForSameBlockGroup fails Major erasure-coding, test Andrew Wang Andrew Wang
HDFS-11660 TestFsDatasetCache#testPageRounder fails intermittently with AssertionError Major test Andrew Wang Andrew Wang
YARN-6453 fairscheduler-statedump.log gets generated regardless of service Blocker fairscheduler, scheduler Allen Wittenauer Yufei Gu
YARN-6363 Extending SLS: Synthetic Load Generator Major . Carlo Curino Carlo Curino
YARN-6153 keepContainer does not work when AM retry window is set Major resourcemanager kyungwan nam kyungwan nam
HDFS-11689 New exception thrown by DFSClient#isHDFSEncryptionEnabled broke hacky hive code Major . Yongjun Zhang Yongjun Zhang
YARN-5889 Improve and refactor user-limit calculation in capacity scheduler Major capacity scheduler Sunil G Sunil G
HDFS-11529 Add libHDFS API to return last exception Critical libhdfs Sailesh Mukil Sailesh Mukil
YARN-6500 Do not mount inaccessible cgroups directories in CgroupsLCEResourcesHandler Major nodemanager Miklos Szegedi Miklos Szegedi
HDFS-11691 Add a proper scheme to the datanode links in NN web UI Major . Kihwal Lee Kihwal Lee
HADOOP-14341 Support multi-line value for ssl.server.exclude.cipher.list Major . John Zhuge John Zhuge
YARN-5617 AMs only intended to run one attempt can be run more than once Major resourcemanager Jason Lowe Jason Lowe
YARN-6510 Fix profs stat file warning caused by process names that includes parenthesis Major . Wilfred Spiegelenburg Wilfred Spiegelenburg
HADOOP-14351 Azure: RemoteWasbAuthorizerImpl and RemoteSASKeyGeneratorImpl should not use Kerberos interactive user cache Major fs/azure Santhosh G Nayak Santhosh G Nayak
MAPREDUCE-6881 Fix warnings from Spotbugs in hadoop-mapreduce Major . Weiwei Yang Weiwei Yang
HADOOP-14346 CryptoOutputStream throws IOException on flush() if stream is closed Major . Pierre Lacave Pierre Lacave
HDFS-11709 StandbyCheckpointer should handle an non-existing legacyOivImageDir gracefully Critical ha, namenode Zhe Zhang Erik Krogen
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 SysInfoWindows is not thread safe Major . Inigo Goiri Inigo Goiri
YARN-5894 fixed license warning caused by de.ruedigermoeller:fst:jar:2.24 Blocker yarn Haibo Chen Haibo Chen
YARN-6472 Improve Java sandbox regex Major . Miklos Szegedi Greg Phillips
HADOOP-14320 TestIPC.testIpcWithReaderQueuing fails intermittently Major . Eric Badger Eric Badger
YARN-6536 TestAMRMClient.testAMRMClientWithSaslEncryption fails intermittently Major . Eric Badger Jason Lowe
HDFS-11718 DFSStripedOutputStream hsync/hflush should not throw UnsupportedOperationException Blocker erasure-coding Manoj Govindassamy Manoj Govindassamy
HADOOP-14363 Inconsistent default block location in FileSystem javadoc Trivial fs Mingliang Liu Chen Liang
HADOOP-13901 Fix ASF License warnings Major build Akira Ajisaka Akira Ajisaka
YARN-6518 Fix warnings from Spotbugs in hadoop-yarn-server-timelineservice Major . Weiwei Yang Weiwei Yang
YARN-6520 Fix warnings from Spotbugs in hadoop-yarn-client Major . Weiwei Yang Weiwei Yang
HDFS-11609 Some blocks can be permanently lost if nodes are decommissioned while dead Blocker namenode Kihwal Lee Kihwal Lee
HDFS-11724 libhdfs compilation is broken on OS X Blocker libhdfs Allen Wittenauer John Zhuge
HDFS-8498 Blocks can be committed with wrong size Critical hdfs-client Daryn Sharp Jing Zhao
HDFS-11714 Newly added NN storage directory won’t get initialized and cause space exhaustion Critical . Kihwal Lee Kihwal Lee
HADOOP-14366 maven upgrade broke start-build-env.sh Blocker build Allen Wittenauer Akira Ajisaka
HDFS-11593 Change SimpleHttpProxyHandler#exceptionCaught log level from info to debug Minor datanode Xiaoyu Yao Xiaobing Zhou
HDFS-11710 hadoop-hdfs-native-client build fails in trunk in Windows after HDFS-11529 Blocker native Vinayakumar B Sailesh Mukil
HADOOP-14371 License error in TestLoadBalancingKMSClientProvider.java Major . hu xiaodong hu xiaodong
HADOOP-14369 NetworkTopology calls expensive toString() when logging Major . Inigo Goiri Inigo Goiri
HADOOP-14281 Fix TestKafkaMetrics#testPutMetrics Major metrics Akira Ajisaka Alison Yu
YARN-6519 Fix warnings from Spotbugs in hadoop-yarn-server-resourcemanager Major resourcemanager Weiwei Yang Weiwei Yang
YARN-6481 Yarn top shows negative container number in FS Major yarn Yufei Gu Tao Jie
HADOOP-14306 TestLocalFileSystem tests have very low timeouts Major . Eric Badger Eric Badger
HADOOP-14372 TestSymlinkLocalFS timeouts are too low Major . Eric Badger Eric Badger
HDFS-11739 Fix regression in tests caused by YARN-679 Major test Steve Loughran Steve Loughran
HDFS-11643 Add shouldReplicate option to create builder Blocker balancer & mover, erasure-coding Andrew Wang SammiChen
HADOOP-14380 Make the Guava version Hadoop which builds with configurable Major build Steve Loughran Steve Loughran
HDFS-11448 JN log segment syncing should support HA upgrade Major hdfs Hanisha Koneru Hanisha Koneru
HADOOP-14207 “dfsadmin -refreshCallQueue” fails with DecayRpcScheduler Blocker rpc-server Surendra Singh Lilhore Surendra Singh Lilhore
HADOOP-14298 TestHadoopArchiveLogsRunner fails Major test Akira Ajisaka Akira Ajisaka
HDFS-11702 Remove indefinite caching of key provider uri in DFSClient Major hdfs-client Rushabh S Shah Rushabh S Shah
YARN-3839 Quit throwing NMNotYetReadyException Major nodemanager Karthik Kambatla Manikandan R
HADOOP-14374 License error in GridmixTestUtils.java Major . lixinglong lixinglong
HADOOP-14100 Upgrade Jsch jar to latest version to fix vulnerability in old versions Critical . Vinayakumar B Vinayakumar B
YARN-5301 NM mount cpu cgroups failed on some systems Major . sandflee Miklos Szegedi
HADOOP-14377 Increase Common test timeouts from 1 second to 10 seconds Major . Eric Badger Eric Badger
YARN-3742 YARN RM will shut down if ZKClient creation times out Major resourcemanager Wilfred Spiegelenburg Daniel Templeton
HADOOP-14373 License error In org.apache.hadoop.metrics2.util.Servers Major . hu xiaodong hu xiaodong
HADOOP-14400 Fix warnings from spotbugs in hadoop-tools Major tools Weiwei Yang Weiwei Yang
YARN-6552 Increase YARN test timeouts from 1 second to 10 seconds Major . Eric Badger Eric Badger
MAPREDUCE-6882 Increase MapReduce test timeouts from 1 second to 10 seconds Major . Eric Badger Eric Badger
YARN-6475 Fix some long function checkstyle issues Trivial . Miklos Szegedi Soumabrata Chakraborty
HADOOP-14405 Fix performance regression due to incorrect use of DataChecksum Major native, performance LiXin Ge LiXin Ge
HDFS-11745 Increase HDFS test timeouts from 1 second to 10 seconds Major . Eric Badger Eric Badger
HDFS-11755 Underconstruction blocks can be considered missing Major . Nathan Roberts Nathan Roberts
YARN-6571 Fix JavaDoc issues in SchedulingPolicy Trivial fairscheduler Daniel Templeton Weiwei Yang
YARN-6473 Create ReservationInvariantChecker to validate ReservationSystem + Scheduler operations Major . Carlo Curino Carlo Curino
HADOOP-14361 Azure: NativeAzureFileSystem.getDelegationToken() call fails sometimes when invoked concurrently Major fs/azure Trupti Dhavle Santhosh G Nayak
HDFS-11681 DatanodeStorageInfo#getBlockIterator() should return an iterator to an unmodifiable set. Major . Virajith Jalaparti Virajith Jalaparti
HADOOP-14410 Correct spelling of ‘beginning’ and variants Trivial . Dongtao Zhang Dongtao Zhang
YARN-5543 ResourceManager SchedulingMonitor could potentially terminate the preemption checker thread Major capacityscheduler, resourcemanager Min Shen Min Shen
YARN-6380 FSAppAttempt keeps redundant copy of the queue Major fairscheduler Daniel Templeton Daniel Templeton
HDFS-11674 reserveSpaceForReplicas is not released if append request failed due to mirror down and replica recovered Critical datanode Vinayakumar B Vinayakumar B
YARN-6580 Incorrect logger for FairSharePolicy Minor fairscheduler Yufei Gu Vrushali C
HADOOP-14376 Memory leak when reading a compressed file using the native library Major common, io Eli Acherkan Eli Acherkan
HDFS-11818 TestBlockManager.testSufficientlyReplBlocksUsesNewRack fails intermittently Major . Eric Badger Nathan Roberts
HDFS-11644 Support for querying outputstream capabilities Major erasure-coding Andrew Wang Manoj Govindassamy
YARN-6598 History server getApplicationReport NPE when fetching report for pre-2.8 job Blocker timelineserver Jason Lowe Jason Lowe
YARN-6603 NPE in RMAppsBlock Major resourcemanager Jason Lowe Jason Lowe
HDFS-11833 HDFS architecture documentation describes outdated placement policy Minor . dud Chen Liang
HADOOP-14416 Path starting with ‘wasb:///’ not resolved correctly while authorizing with WASB-Ranger Major fs/azure, security Sivaguru Sankaridurg Sivaguru Sankaridurg
YARN-6535 Program needs to exit when SLS finishes. Major scheduler-load-simulator Yufei Gu Yufei Gu
HDFS-11827 NPE is thrown when log level changed in BlockPlacementPolicyDefault#chooseRandom() method Major . xupeng xupeng
HADOOP-14412 HostsFileReader#getHostDetails is very expensive on large clusters Major util Jason Lowe Jason Lowe
MAPREDUCE-6459 Native task crashes when merging spilled file on ppc64 Major . Tao Jie Tao Jie
HADOOP-14427 Avoid reloading of Configuration in ViewFileSystem creation. Major viewfs Vinayakumar B Vinayakumar B
HADOOP-14434 Use MoveFileEx to allow renaming a file when the destination exists Major native Lukas Majercak Lukas Majercak
HDFS-11842 TestDataNodeOutlierDetectionViaMetrics UT fails Major . Yesha Vora Hanisha Koneru
YARN-6577 Remove unused ContainerLocalization classes Minor nodemanager ZhangBing Lin ZhangBing Lin
HADOOP-11869 Suppress ParameterNumber checkstyle violations for overridden methods Major . Sidharta Seethana Jonathan Eagles
YARN-6618 TestNMLeveldbStateStoreService#testCompactionCycle can fail if compaction occurs more than once Minor test Jason Lowe Jason Lowe
YARN-6540 Resource Manager is spelled “Resource Manger” in ResourceManagerRestart.md and ResourceManagerHA.md Trivial site Grant Sohn Grant Sohn
YARN-6249 TestFairSchedulerPreemption fails inconsistently. Major fairscheduler, resourcemanager Sean Po Tao Jie
YARN-6602 Impersonation does not work if standby RM is contacted first Blocker client Robert Kanter Robert Kanter
HDFS-11862 Option -v missing for du command in FileSystemShell.md Minor documentation Yiqun Lin Yiqun Lin
HDFS-11863 Document missing metrics for blocks count in pending IBR Minor documentation Yiqun Lin Yiqun Lin
HDFS-11849 JournalNode startup failure exception should be logged in log file Major journal-node Surendra Singh Lilhore Surendra Singh Lilhore
HDFS-11866 JournalNode Sync should be off by default in hdfs-default.xml Major . Hanisha Koneru Hanisha Koneru
YARN-6584 Correct license headers in hadoop-common, hdfs, yarn and mapreduce Trivial . Yeliang Cang Yeliang Cang
HDFS-11864 Document Metrics to track usage of memory for writes Major documentation Brahma Reddy Battula Yiqun Lin
YARN-6615 AmIpFilter drops query parameters on redirect Major . Wilfred Spiegelenburg Wilfred Spiegelenburg
HADOOP-14449 The ASF Header in ComparableVersion.java and SSLHostnameVerifier.java is not correct Minor common, documentation ZhangBing Lin ZhangBing Lin
HADOOP-14166 Reset the DecayRpcScheduler AvgResponseTime metric to zero when queue is not used Major common Surendra Singh Lilhore Surendra Singh Lilhore
HDFS-11877 FileJournalManager#getLogFile should ignore in progress edit logs during JN sync Major hdfs Hanisha Koneru Hanisha Koneru
HDFS-11661 GetContentSummary uses excessive amounts of memory Blocker namenode Nathan Roberts Wei-Chiu Chuang
HADOOP-14180 FileSystem contract tests to replace JUnit 3 with 4 Major fs Mingliang Liu Xiaobing Zhou
YARN-6141 ppc64le on Linux doesn’t trigger __linux get_executable codepath Major nodemanager Sonia Garudi Ayappan
HADOOP-14399 Configuration does not correctly XInclude absolute file URIs Blocker conf Andrew Wang Jonathan Eagles
HADOOP-14430 the accessTime of FileStatus returned by SFTPFileSystem’s getFileStatus method is always 0 Trivial fs Hongyuan Li Hongyuan Li
HDFS-11445 FSCK shows overall health stauts as corrupt even one replica is corrupt Critical . Brahma Reddy Battula Brahma Reddy Battula
HDFS-11878 Fix journal missing log httpServerUrl address in JournalNodeSyncer Major hdfs Hanisha Koneru Hanisha Koneru
HDFS-11879 Fix JN sync interval in case of exception Major . Hanisha Koneru Hanisha Koneru
YARN-6643 TestRMFailover fails rarely due to port conflict Major test Robert Kanter Robert Kanter
HDFS-11817 A faulty node can cause a lease leak and NPE on accessing data Critical . Kihwal Lee Kihwal Lee
YARN-6641 Non-public resource localization on a bad disk causes subsequent containers failure Major . Kuhu Shukla Kuhu Shukla
HADOOP-14431 ModifyTime of FileStatus returned by SFTPFileSystem’s getFileStatus method is wrong Major fs Hongyuan Li Hongyuan Li
YARN-6646 Modifier ‘static’ is redundant for inner enums Minor . ZhangBing Lin ZhangBing Lin
HDFS-11078 Fix NPE in LazyPersistFileScrubber Major . Inigo Goiri Inigo Goiri
HADOOP-14464 hadoop-aws doc header warning #5 line wrapped Trivial documentation, fs/s3 John Zhuge John Zhuge
MAPREDUCE-6887 Modifier ‘static’ is redundant for inner enums Minor . ZhangBing Lin ZhangBing Lin
HADOOP-14458 Add missing imports to TestAliyunOSSFileSystemContract.java Trivial fs/oss, test Mingliang Liu Mingliang Liu
HADOOP-14456 Modifier ‘static’ is redundant for inner enums Minor . ZhangBing Lin ZhangBing Lin
HDFS-11659 TestDataNodeHotSwapVolumes.testRemoveVolumeBeingWritten fail due to no DataNode available for pipeline recovery. Major datanode Lei (Eddy) Xu Lei (Eddy) Xu
YARN-6366 Refactor the NodeManager DeletionService to support additional DeletionTask types. Major nodemanager, yarn Shane Kumpf Shane Kumpf
HDFS-11901 Modifier ‘static’ is redundant for inner enums Minor . ZhangBing Lin ZhangBing Lin
HDFS-5042 Completed files lost after power failure Critical . Dave Latham Vinayakumar B
YARN-6649 RollingLevelDBTimelineServer throws RuntimeException if object decoding ever fails runtime exception Critical . Jonathan Eagles Jonathan Eagles
HADOOP-9849 License information is missing for native CRC32 code Critical . Timothy St. Clair Andrew Wang
HADOOP-14466 Remove useless document from TestAliyunOSSFileSystemContract.java Minor documentation Akira Ajisaka Chen Liang
HDFS-11893 Fix TestDFSShell.testMoveWithTargetPortEmpty failure. Major test Konstantin Shvachko Brahma Reddy Battula
HADOOP-14460 Azure: update doc for live and contract tests Major documentation, fs/azure Mingliang Liu Mingliang Liu
HDFS-11741 Long running balancer may fail due to expired DataEncryptionKey Major balancer & mover Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-11856 Ability to re-add Upgrading Nodes (remote) to pipeline for future pipeline updates Major hdfs-client, rolling upgrades Vinayakumar B Vinayakumar B
HDFS-11905 Fix license header inconsistency in hdfs Trivial . Yeliang Cang Yeliang Cang
HADOOP-14436 Remove the redundant colon in ViewFs.md Major documentation maobaolong maobaolong
HDFS-11899 ASF License warnings generated intermittently in trunk Major . Yiqun Lin Yiqun Lin
YARN-6458 Use yarn package manager to lock down dependency versions for new web UI Major . Sreenath Somarajapuram Sreenath Somarajapuram
HADOOP-14428 s3a: mkdir appears to be broken Blocker fs/s3 Aaron Fabbri Mingliang Liu
YARN-6683 Invalid event: COLLECTOR_UPDATE at KILLED Major . Jian He Rohith Sharma K S
HDFS-11928 Segment overflow in FileDistributionCalculator Major tools LiXin Ge LiXin Ge
HDFS-10816 TestComputeInvalidateWork#testDatanodeReRegistration fails due to race between test and replication monitor Major . Eric Badger Eric Badger
HADOOP-14478 Optimize NativeAzureFsInputStream for positional reads Major fs/azure Rajesh Balamohan Rajesh Balamohan
HADOOP-14472 Azure: TestReadAndSeekPageBlobAfterWrite fails intermittently Major fs/azure, test Mingliang Liu Mingliang Liu
HDFS-11932 BPServiceActor thread name is not correctly set Major hdfs Chen Liang Chen Liang
YARN-6547 Enhance SLS-based tests leveraging invariant checker Major . Carlo Curino Carlo Curino
HDFS-11708 Positional read will fail if replicas moved to different DNs after stream is opened Critical hdfs-client Vinayakumar B Vinayakumar B
HDFS-11929 Document missing processor of hdfs oiv_legacy command Minor documentation, tools LiXin Ge LiXin Ge
HDFS-11711 DN should not delete the block On “Too many open files” Exception Critical datanode Brahma Reddy Battula Brahma Reddy Battula
MAPREDUCE-6676 NNBench should Throw IOException when rename and delete fails Major . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-14500 Azure: TestFileSystemOperationExceptionHandling{,MultiThreaded} fails Major fs/azure, test Mingliang Liu Rajesh Balamohan
HDFS-11851 getGlobalJNIEnv() may deadlock if exception is thrown Blocker libhdfs Henry Robinson Sailesh Mukil
HDFS-11945 Internal lease recovery may not be retried for a long time Major namenode Kihwal Lee Kihwal Lee
HADOOP-14283 Upgrade AWS SDK to 1.11.134 Critical fs/s3 Aaron Fabbri Aaron Fabbri
HADOOP-14512 WASB atomic rename should not throw exception if the file is neither in src nor in dst when doing the rename Major fs/azure Duo Xu Duo Xu
YARN-6585 RM fails to start when upgrading from 2.7 to 2.8 for clusters with node labels. Blocker . Eric Payne Sunil G
YARN-6703 RM startup failure with old state store due to version mismatch Critical . Bibin A Chundatt Varun Saxena
HADOOP-14501 Switch from aalto-xml to woodstox to handle odd XML features Blocker conf Andrew Wang Jonathan Eagles
HDFS-11967 TestJMXGet fails occasionally Major . Arpit Agarwal Arpit Agarwal
HDFS-11947 When constructing a thread name, BPOfferService may print a bogus warning message Minor datanode Tsz Wo Nicholas Sze Weiwei Yang
MAPREDUCE-6896 Document wrong spelling in usage of MapredTestDriver tools. Major documentation LiXin Ge LiXin Ge
MAPREDUCE-6895 Job end notification not send due to YarnRuntimeException Major applicationmaster yunjiong zhao yunjiong zhao
HDFS-11682 TestBalancer#testBalancerWithStripedFile is flaky Major test Andrew Wang Lei (Eddy) Xu
HADOOP-14494 ITestJets3tNativeS3FileSystemContract tests NPEs in teardown if store undefined Minor fs/s3, test Steve Loughran Steve Loughran
HADOOP-14486 TestSFTPFileSystem#testGetAccessTime test failure using openJDK 1.8.0 Major fs Sonia Garudi Hongyuan Li
MAPREDUCE-6897 Add Unit Test to make sure Job end notification get sent even appMaster stop get YarnRuntimeException Minor . Junping Du Gergely Novák
YARN-6517 Fix warnings from Spotbugs in hadoop-yarn-common Major . Weiwei Yang Weiwei Yang
HADOOP-14540 Replace MRv1 specific terms in HostsFileReader Minor documentation Akira Ajisaka hu xiaodong
HDFS-11995 HDFS Architecture documentation incorrectly describes writing to a local temporary file. Minor documentation Chris Nauroth Nandakumar
HDFS-11890 Handle NPE in BlockRecoveryWorker when DN is getting shoutdown. Major datanode Surendra Singh Lilhore Surendra Singh Lilhore
HDFS-11736 OIV tests should not write outside ‘target’ directory. Major . Konstantin Shvachko Yiqun Lin
YARN-6713 Fix dead link in the Javadoc of FairSchedulerEventLog.java Minor documentation Akira Ajisaka Weiwei Yang
HADOOP-14533 Size of args cannot be less than zero in TraceAdmin#run as its linkedlist Trivial common, tracing Weisen Han Weisen Han
HDFS-11978 Remove invalid ‘-usage’ command of ‘ec’ and add missing commands ‘addPolicies’ ‘listCodecs’ in doc Minor documentation Wenxin He Wenxin He
HDFS-11960 Successfully closed files can stay under-replicated. Critical . Kihwal Lee Kihwal Lee
HADOOP-14429 FTPFileSystem#getFsAction always returns FsAction.NONE Major fs Hongyuan Li Hongyuan Li
HDFS-11933 Arguments check for ErasureCodingPolicy->composePolicyName Minor hdfs-client lufei lufei
HDFS-12010 TestCopyPreserveFlag fails consistently because of mismatch in access time Major hdfs, test Mukul Kumar Singh Mukul Kumar Singh
HDFS-12009 Accept human-friendly units in dfsadmin -setBalancerBandwidth and -setQuota Major shell Andrew Wang Andrew Wang
HADOOP-14568 GenericTestUtils#waitFor missing parameter verification Major test Yiqun Lin Yiqun Lin
HDFS-12024 Fix typo’s in FsDatasetImpl.java Major . Yasen Liu Yasen Liu
HADOOP-14146 KerberosAuthenticationHandler should authenticate with SPN in AP-REQ Major security Daryn Sharp Daryn Sharp
YARN-5876 TestResourceTrackerService#testGracefulDecommissionWithApp fails intermittently on trunk Major . Varun Saxena Robert Kanter
HADOOP-14543 ZKFC should use getAversion() while setting the zkacl Major . Brahma Reddy Battula Brahma Reddy Battula
YARN-5006 ResourceManager quit due to ApplicationStateData exceed the limit size of znode in zk Critical resourcemanager dongtingting Bibin A Chundatt
HADOOP-14461 Azure: handle failure gracefully in case of missing account access key Major fs/azure Mingliang Liu Mingliang Liu
HDFS-12032 Inaccurate comment on DatanodeDescriptor#getNumberOfBlocksToBeErasureCoded Trivial namenode Andrew Wang Andrew Wang
HDFS-11956 Do not require a storage ID or target storage IDs when writing a block Blocker . Andrew Wang Ewan Higgs
HDFS-12033 DatanodeManager picking EC recovery tasks should also consider the number of regular replication tasks. Major erasure-coding Lei (Eddy) Xu Lei (Eddy) Xu
MAPREDUCE-6904 HADOOP_JOB_HISTORY_OPTS should be HADOOP_JOB_HISTORYSERVER_OPTS in mapred-config.sh Critical scripts Robert Kanter Robert Kanter
HDFS-12040 TestFsDatasetImpl.testCleanShutdownOfVolume fails Major test Akira Ajisaka hu xiaodong
HADOOP-14594 ITestS3AFileOperationCost::testFakeDirectoryDeletion to uncomment metric assertions Major fs/s3 Mingliang Liu Mingliang Liu
YARN-6467 CSQueueMetrics needs to update the current metrics for default partition only Major capacity scheduler Naganarasimha G R Manikandan R
YARN-6743 yarn.resourcemanager.zk-max-znode-size.bytes description needs spaces in yarn-default.xml Trivial . Daniel Templeton Lori Loberg
MAPREDUCE-6536 hadoop-pipes doesn’t use maven properties for openssl Blocker pipes Allen Wittenauer Allen Wittenauer
HADOOP-14479 Erasurecode testcase failures with native enabled Critical common Ayappan SammiChen
HDFS-12043 Add counters for block re-replication Major . Chen Liang Chen Liang
MAPREDUCE-6697 Concurrent task limits should only be applied when necessary Major mrv2 Jason Lowe Nathan Roberts
YARN-6344 Add parameter for rack locality delay in CapacityScheduler Major capacityscheduler Konstantinos Karanasos Konstantinos Karanasos

TESTS:

JIRA Summary Priority Component Reporter Contributor
HDFS-11570 Unit test for NameNodeStatusMXBean Major hdfs, test Hanisha Koneru Hanisha Koneru
HADOOP-14218 Replace assertThat with assertTrue in MetricsAsserts Minor . Akira Ajisaka Akira Ajisaka

SUB-TASKS:

JIRA Summary Priority Component Reporter Contributor
HDFS-11296 Maintenance state expiry should be an epoch time and not jvm monotonic Major . Manoj Govindassamy Manoj Govindassamy
HDFS-11121 Add assertions to BlockInfo#addStorage to protect from breaking reportedBlock-blockGroup mapping Critical erasure-coding Takanobu Asanuma Takanobu Asanuma
YARN-6099 Improve webservice to list aggregated log files Major . Xuan Gong Xuan Gong
HDFS-11124 Report blockIds of internal blocks for EC files in Fsck Major erasure-coding Takanobu Asanuma Takanobu Asanuma
YARN-5830 FairScheduler: Avoid preempting AM containers Major fairscheduler Karthik Kambatla Yufei Gu
YARN-3637 Handle localization sym-linking correctly at the YARN level Major . Chris Trezzo Chris Trezzo
YARN-6126 Obtaining app logs for Running application fails with “Unable to parse json from webservice. Error:” Major . Sumana Sathish Xuan Gong
YARN-5866 Fix few issues reported by jshint in new YARN UI Major yarn-ui-v2 Akhil PB Akhil PB
YARN-6100 improve YARN webservice to output aggregated container logs Major . Xuan Gong Xuan Gong
YARN-6108 Improve AHS webservice to accept NM address as a parameter to get container logs Major . Xuan Gong Xuan Gong
YARN-5917 Make navigation link active when selecting sub tabs in “Applications” and “Nodes” page for new UI Minor yarn-ui-v2 Kai Sasaki Kai Sasaki
YARN-5258 Document Use of Docker with LinuxContainerExecutor Critical documentation Daniel Templeton Daniel Templeton
HADOOP-14065 AliyunOSS: oss directory filestatus should use meta time Major fs/oss Fei Hui Fei Hui
HADOOP-14032 Reduce fair call queue priority inversion Major ipc Daryn Sharp Daryn Sharp
HADOOP-14034 Allow ipc layer exceptions to selectively close connections Major ipc Daryn Sharp Daryn Sharp
HADOOP-14033 Reduce fair call queue lock contention Major ipc Daryn Sharp Daryn Sharp
HADOOP-13768 AliyunOSS: handle the failure in the batch delete operation `deleteDirs`. Major fs Genmao Yu Genmao Yu
YARN-6170 TimelineReaderServer should wait to join with HttpServer2 Minor timelinereader Sangjin Lee Sangjin Lee
HADOOP-13075 Add support for SSE-KMS and SSE-C in s3a filesystem Major fs/s3 Andrew Olson Steve Moist
HADOOP-14069 AliyunOSS: listStatus returns wrong file info Major fs/oss Fei Hui Fei Hui
HADOOP-13769 AliyunOSS: update oss sdk version Major fs, fs/oss Genmao Yu Genmao Yu
YARN-6113 re-direct NM Web Service to get container logs for finished applications Major . Xuan Gong Xuan Gong
YARN-5966 AMRMClient changes to support ExecutionType update Major . Arun Suresh Arun Suresh
YARN-5912 Fix breadcrumb issues for various pages in new YARN UI Minor yarn-ui-v2 Akhil PB Akhil PB
HADOOP-14072 AliyunOSS: Failed to read from stream when seek beyond the download size Major fs/oss Genmao Yu Genmao Yu
YARN-6156 AM blacklisting to consider node label partition Major . Bibin A Chundatt Bibin A Chundatt
YARN-6183 Few missing informations in Application and Application Attempt pages for new YARN UI. Major . Akhil PB Akhil PB
HDFS-11265 Extend visualization for Maintenance Mode under Datanode tab in the NameNode UI Major datanode, namenode Manoj Govindassamy Elek, Marton
YARN-6163 FS Preemption is a trickle for severely starved applications Major fairscheduler Karthik Kambatla Karthik Kambatla
YARN-5798 Set UncaughtExceptionHandler for all FairScheduler threads Major fairscheduler Karthik Kambatla Yufei Gu
YARN-4675 Reorganize TimelineClient and TimelineClientImpl into separate classes for ATSv1.x and ATSv2 Major timelineserver Naganarasimha G R Naganarasimha G R
HADOOP-14019 fix some typos in the s3a docs Minor documentation, fs/s3 Steve Loughran Steve Loughran
HADOOP-14040 Use shaded aws-sdk uber-JAR 1.11.86 Major build, fs/s3 Steve Loughran Steve Loughran
YARN-6193 FairScheduler might not trigger preemption when using DRF Major fairscheduler Karthik Kambatla Karthik Kambatla
HADOOP-14081 S3A: Consider avoiding array copy in S3ABlockOutputStream (ByteArrayBlock) Minor fs/s3 Rajesh Balamohan Rajesh Balamohan
YARN-6159 Documentation changes for TimelineV2Client Minor documentation Varun Saxena Naganarasimha G R
HDFS-11430 Separate class InnerNode from class NetworkTopology and make it extendable Major namenode Chen Liang Tsz Wo Nicholas Sze
YARN-6184 Introduce loading icon in each page of new YARN UI Major . Akhil PB Akhil PB
HADOOP-14099 Split S3 testing documentation out into its own file Minor documentation, fs/s3 Steve Loughran Steve Loughran
HDFS-11411 Avoid OutOfMemoryError in TestMaintenanceState test runs Major datanode, namenode Manoj Govindassamy Manoj Govindassamy
HADOOP-14102 Relax error message assertion in S3A test ITestS3AEncryptionSSEC Minor fs/s3 Mingliang Liu Mingliang Liu
HDFS-4025 QJM: Sychronize past log segments to JNs that missed them Major ha Todd Lipcon Hanisha Koneru
YARN-6069 CORS support in timeline v2 Major timelinereader Sreenath Somarajapuram Rohith Sharma K S
YARN-6143 Fix incompatible issue caused by YARN-3583 Blocker rolling upgrade Wangda Tan Sunil G
HADOOP-14113 review ADL Docs Minor documentation, fs/adl Steve Loughran Steve Loughran
YARN-4779 Fix AM container allocation logic in SLS Major scheduler-load-simulator Wangda Tan Wangda Tan
YARN-6228 EntityGroupFSTimelineStore should allow configurable cache stores. Major timelineserver Li Lu Li Lu
YARN-6215 FairScheduler preemption and update should not run concurrently Major fairscheduler, test Sunil G Tao Jie
YARN-6123 [YARN-5864] Add a test to make sure queues of orderingPolicy will be updated when childQueues is added or removed. Major . Wangda Tan Wangda Tan
HADOOP-14118 move jets3t into a dependency on hadoop-aws JAR Major build, fs/s3 Steve Loughran Akira Ajisaka
YARN-5335 Use em-table in app/nodes pages for new YARN UI Major . Sunil G Sunil G
HDFS-11450 HDFS specific network topology classes with storage type info included Major namenode Chen Liang Chen Liang
HDFS-11412 Maintenance minimum replication config value allowable range should be [0, DefaultReplication] Major datanode, namenode Manoj Govindassamy Manoj Govindassamy
HADOOP-14057 Fix package.html to compile with Java 9 Major documentation Akira Ajisaka Akira Ajisaka
HDFS-8112 Relax permission checking for EC related operations Blocker erasure-coding Kai Zheng Andrew Wang
HADOOP-14056 Update maven-javadoc-plugin to 2.10.4 Major build Akira Ajisaka Akira Ajisaka
YARN-6275 Fail to show real-time tracking charts in SLS Major scheduler-load-simulator Yufei Gu Yufei Gu
HDFS-10983 OIV tool should make an EC file explicit Major . Wei-Chiu Chuang Manoj Govindassamy
YARN-5669 Add support for Docker pull Major yarn Zhankun Tang luhuichun
YARN-1047 Expose # of pre-emptions as a queue counter Major fairscheduler Philip Zeyliger Karthik Kambatla
HADOOP-14123 Remove misplaced ADL service provider config file for FileSystem Minor fs/adl John Zhuge John Zhuge
HADOOP-14153 ADL module has messed doc structure Major fs/adl Mingliang Liu Mingliang Liu
YARN-6196 Improve Resource Donut chart with better label in Node page of new YARN UI Major . Akhil PB Akhil PB
HADOOP-14111 cut some obsolete, ignored s3 tests in TestS3Credentials Minor fs/s3, test Steve Loughran Yuanbo Liu
YARN-6281 Cleanup when AMRMProxy fails to initialize a new interceptor chain Minor . Botong Huang Botong Huang
HADOOP-14173 Remove unused AdlConfKeys#ADL_EVENTS_TRACKING_SOURCE Trivial fs/adl John Zhuge John Zhuge
HDFS-11482 Add storage type demand to into DFSNetworkTopology#chooseRandom Major namenode Chen Liang Chen Liang
YARN-5496 Make Node Heatmap Chart categories clickable in new YARN UI Major . Yesha Vora Gergely Novák
YARN-6314 Potential infinite redirection on YARN log redirection web service Major . Xuan Gong Xuan Gong
YARN-6313 yarn logs cli should provide logs for a completed container even when application is still running Major . Siddharth Seth Xuan Gong
HDFS-11514 DFSTopologyNodeImpl#chooseRandom optimizations Major namenode Chen Liang Chen Liang
HDFS-10530 BlockManager reconstruction work scheduling should correctly adhere to EC block placement policy Major namenode Rui Gao Manoj Govindassamy
HADOOP-14192 Aliyun OSS FileSystem contract test should implement getTestBaseDir() Major fs/oss Mingliang Liu Mingliang Liu
YARN-6362 Use frontend-maven-plugin 0.0.22 version for new yarn ui Major . Kai Sasaki Kai Sasaki
HDFS-11358 DiskBalancer: Report command supports reading nodes from host file Major diskbalancer Yiqun Lin Yiqun Lin
YARN-6367 YARN logs CLI needs alway check containerLogsInfo/containerLogInfo before parse the JSON object from NMWebService Major . Siddharth Seth Xuan Gong
YARN-6326 Shouldn’t use AppAttemptIds to fetch applications while AM Simulator tracks app in SLS Major scheduler-load-simulator Yufei Gu Yufei Gu
HADOOP-14120 needless S3AFileSystem.setOptionalPutRequestParameters in S3ABlockOutputStream putObject() Minor fs/s3 Steve Loughran Yuanbo Liu
HADOOP-14135 Remove URI parameter in AWSCredentialProvider constructors Major fs/s3 Mingliang Liu Mingliang Liu
HADOOP-14196 Azure Data Lake doc is missing required config entry Major fs/adl Atul Sikaria Atul Sikaria
HADOOP-14197 Fix ADLS doc for credential provider Major documentation, fs/adl John Zhuge John Zhuge
HADOOP-13715 Add isErasureCoded() API to FileStatus class Blocker fs Wei-Chiu Chuang Manoj Govindassamy
HADOOP-14230 TestAdlFileSystemContractLive fails to clean up Minor fs/adl, test John Zhuge John Zhuge
HADOOP-14038 Rename ADLS credential properties Minor fs/adl John Zhuge John Zhuge
HDFS-11577 Combine the old and the new chooseRandom for better performance Major namenode Chen Liang Chen Liang
YARN-6357 Implement putEntitiesAsync API in TimelineCollector Major ATSv2, timelineserver Joep Rottinghuis Haibo Chen
HDFS-10971 Distcp should not copy replication factor if source file is erasure coded Blocker distcp Wei-Chiu Chuang Manoj Govindassamy
HDFS-11541 Call RawErasureEncoder and RawErasureDecoder release() methods Major erasure-coding László Bence Nagy SammiChen
YARN-5654 Not be able to run SLS with FairScheduler Major . Wangda Tan Yufei Gu
YARN-6342 Make TimelineV2Client’s drain timeout after stop configurable Major . Jian He Haibo Chen
YARN-6376 Exceptions caused by synchronous putEntities requests can be swallowed Critical ATSv2 Haibo Chen Haibo Chen
YARN-6414 ATSv2 HBase related tests fail due to guava version upgrade Major timelineserver Sonia Garudi Haibo Chen
YARN-6377 NMTimelinePublisher#serviceStop does not stop timeline clients Major yarn Haibo Chen Haibo Chen
YARN-6109 Add an ability to convert ChildQueue to ParentQueue Major capacity scheduler Xuan Gong Xuan Gong
YARN-6424 TimelineCollector is not stopped when an app finishes in RM Critical timelineserver Varun Saxena Varun Saxena
YARN-6258 localBaseAddress for CORS proxy configuration is not working when suffixed with forward slash in new YARN UI. Major . Gergely Novák Gergely Novák
HADOOP-14290 Update SLF4J from 1.7.10 to 1.7.25 Major . Akira Ajisaka Akira Ajisaka
YARN-5153 Add a toggle button to switch between timeline view / table view for containers and application-attempts in new YARN UI Major webapp Wangda Tan Akhil PB
YARN-6372 Add default value for NM disk validator Major nodemanager Yufei Gu Yufei Gu
HDFS-10996 Ability to specify per-file EC policy at create time Major erasure-coding Andrew Wang SammiChen
HADOOP-14255 S3A to delete unnecessary fake directory objects in mkdirs() Major fs/s3 Mingliang Liu Mingliang Liu
YARN-6432 FairScheduler: Reserve preempted resources for corresponding applications Major . Miklos Szegedi Miklos Szegedi
HADOOP-14321 Explicitly exclude S3A root dir ITests from parallel runs Minor fs/s3, test Steve Loughran Steve Loughran
HADOOP-14241 Add ADLS sensitive config keys to default list Minor fs, fs/adl, security John Zhuge John Zhuge
YARN-6402 Move ‘Long Running Services’ to an independent tab at top level for new Yarn UI Major webapp Sunil G Akhil PB
HADOOP-14324 Refine S3 server-side-encryption key as encryption secret; improve error reporting and diagnostics Blocker fs/s3 Steve Loughran Steve Loughran
HDFS-11604 Define and parse erasure code policies Major erasure-coding Kai Zheng Lin Zeng
HADOOP-14261 Some refactoring work for erasure coding raw coder Major . Kai Zheng Lin Zeng
YARN-6291 Introduce query parameters (sort, filter, etc.) for tables to keep state on refresh/navigation in new YARN UI Major . Gergely Novák Gergely Novák
HADOOP-14305 S3A SSE tests won’t run in parallel: Bad request in directory GetFileStatus Minor fs/s3, test Steve Loughran Steve Moist
YARN-6423 Queue metrics doesn’t work for Fair Scheduler in SLS Major scheduler-load-simulator Yufei Gu Yufei Gu
HADOOP-14349 Rename ADLS CONTRACT_ENABLE_KEY Minor fs/adl Mingliang Liu Mingliang Liu
HDFS-6708 StorageType should be encoded in the block token Major datanode, namenode Arpit Agarwal Ewan Higgs
HDFS-11697 Add javadoc for storage policy and erasure coding policy Minor documentation Kai Sasaki Kai Sasaki
HADOOP-11614 Remove httpclient dependency from hadoop-openstack Blocker . Akira Ajisaka Akira Ajisaka
YARN-6455 Enhance the timelinewriter.flush() race condition fix Major yarn Haibo Chen Haibo Chen
HDFS-11605 Allow user to customize new erasure code policies Major erasure-coding Kai Zheng Huafeng Wang
YARN-4359 Update LowCost agents logic to take advantage of YARN-4358 Major capacityscheduler, fairscheduler, resourcemanager Carlo Curino Ishai Menache
YARN-6542 Fix the logger in TestAlignedPlanner and TestGreedyReservationAgent Major reservation system Subru Krishnan Subru Krishnan
YARN-5331 Extend RLESparseResourceAllocation with period for supporting recurring reservations in YARN ReservationSystem Major resourcemanager Subru Krishnan Sangeetha Abdu Jyothi
YARN-6374 Improve test coverage and add utility classes for common Docker operations Major nodemanager, yarn Shane Kumpf Shane Kumpf
YARN-6375 App level aggregation should not consider metric values reported in the previous aggregation cycle Major timelineserver Varun Saxena Varun Saxena
YARN-6522 Make SLS JSON input file format simple and scalable Major scheduler-load-simulator Yufei Gu Yufei Gu
HDFS-11530 Use HDFS specific network topology to choose datanode in BlockPlacementPolicyDefault Major namenode Yiqun Lin Yiqun Lin
YARN-6565 Fix memory leak and finish app trigger in AMRMProxy Critical . Botong Huang Botong Huang
HDFS-9342 Erasure coding: client should update and commit block based on acknowledged size Critical erasure-coding Zhe Zhang SammiChen
YARN-6234 Support multiple attempts on the node when AMRMProxy is enabled Major amrmproxy, federation, nodemanager Subru Krishnan Giovanni Matteo Fumarola
HADOOP-14384 Reduce the visibility of FileSystem#newFSDataOutputStreamBuilder before the API becomes stable Blocker fs Lei (Eddy) Xu Lei (Eddy) Xu
YARN-6563 ConcurrentModificationException in TimelineCollectorManager while stopping RM Major resourcemanager Rohith Sharma K S Haibo Chen
YARN-6435 [ATSv2] Can’t retrieve more than 1000 versions of metrics in time series Critical timelineserver Rohith Sharma K S Vrushali C
YARN-6561 Update exception message during timeline collector aux service initialization Minor timelineserver Vrushali C Vrushali C
YARN-6306 NMClient API change for container upgrade Major . Jian He Arun Suresh
HADOOP-11572 s3a delete() operation fails during a concurrent delete of child entries Major fs/s3 Steve Loughran Steve Loughran
YARN-6560 SLS doesn’t honor node total resource specified in sls-runner.xml Major . Wangda Tan Wangda Tan
HADOOP-14432 S3A copyFromLocalFile to be robust, tested Major fs Steve Loughran Steve Loughran
YARN-5705 Show timeline data from ATS v2 in new web UI Major . Sunil G Akhil PB
YARN-6111 Rumen input does’t work in SLS Major scheduler-load-simulator YuJie Huang Yufei Gu
HDFS-11535 Performance analysis of new DFSNetworkTopology#chooseRandom Major namenode Chen Liang Chen Liang
YARN-6627 Use deployed webapp folder to launch new YARN UI Major yarn-ui-v2 Sunil G Sunil G
HDFS-11794 Add ec sub command -listCodec to show currently supported ec codecs Major erasure-coding SammiChen SammiChen
HDFS-11823 Extend TestDFSStripedIutputStream/TestDFSStripedOutputStream with a random EC policy Major erasure-coding, test Takanobu Asanuma Takanobu Asanuma
YARN-6587 Refactor of ResourceManager#startWebApp in a Util class Major nodemanager, resourcemanager Giovanni Matteo Fumarola Giovanni Matteo Fumarola
YARN-6555 Store application flow context in NM state store for work-preserving restart Major timelineserver Vrushali C Rohith Sharma K S
HDFS-11446 TestMaintenanceState#testWithNNAndDNRestart fails intermittently Major . Yiqun Lin Yiqun Lin
YARN-6635 Refactor yarn-app pages in new YARN UI. Major . Akhil PB Akhil PB
YARN-6246 Identifying starved apps does not need the scheduler writelock Major fairscheduler Karthik Kambatla Karthik Kambatla
HDFS-11904 Reuse iip in unprotectedRemoveXAttrs calls Major . Xiao Chen Xiao Chen
HDFS-11359 DFSAdmin report command supports displaying maintenance state datanodes Major datanode, namenode Yiqun Lin Yiqun Lin
YARN-6316 Provide help information and documentation for TimelineSchemaCreator Major timelineserver Li Lu Haibo Chen
HADOOP-14035 Reduce fair call queue backoff’s impact on clients Major ipc Daryn Sharp Daryn Sharp
YARN-6604 Allow metric TTL for Application table to be specified through cmd Major ATSv2 Haibo Chen Haibo Chen
YARN-6679 Reduce Resource instance overhead via non-PBImpl Major resourcemanager Daryn Sharp Daryn Sharp
HADOOP-13174 Add more debug logs for delegation tokens and authentication Minor security Xiao Chen Xiao Chen
HADOOP-13854 KMS should log error details in KMSExceptionsProvider Major kms Xiao Chen Xiao Chen
YARN-6682 Improve performance of AssignmentInformation datastructures Major . Daryn Sharp Daryn Sharp
YARN-6707 [ATSv2] Update HBase version to 1.2.6 Major timelineserver Varun Saxena Vrushali C
HDFS-10999 Introduce separate stats for Replicated and Erasure Coded Blocks apart from the current Aggregated stats Major erasure-coding Wei-Chiu Chuang Manoj Govindassamy
HADOOP-14394 Provide Builder pattern for DistributedFileSystem.create Major fs Lei (Eddy) Xu Lei (Eddy) Xu
HADOOP-14289 Move log4j APIs over to slf4j in hadoop-common Major . Akira Ajisaka Akira Ajisaka
HADOOP-14395 Provide Builder pattern for DistributedFileSystem.append Major fs Lei (Eddy) Xu Lei (Eddy) Xu
HADOOP-14538 Fix TestFilterFileSystem and TestHarFileSystem failures after DistributedFileSystem.append API Major fs Lei (Eddy) Xu Lei (Eddy) Xu
HDFS-11916 Extend TestErasureCodingPolicies/TestErasureCodingPolicyWithSnapshot with a random EC policy Major erasure-coding, test Takanobu Asanuma Takanobu Asanuma
YARN-6680 Avoid locking overhead for NO_LABEL lookups Major resourcemanager Daryn Sharp Daryn Sharp
HADOOP-14296 Move logging APIs over to slf4j in hadoop-tools Major . Akira Ajisaka Akira Ajisaka
HDFS-11606 Add CLI cmd to remove an erasure code policy Major erasure-coding Kai Zheng Tim Yao
HDFS-11998 Enable DFSNetworkTopology as default Major namenode Chen Liang Chen Liang
HADOOP-14542 Add IOUtils.cleanupWithLogger that accepts slf4j logger API Major . Akira Ajisaka Chen Liang
YARN-6127 Add support for work preserving NM restart when AMRMProxy is enabled Major amrmproxy, nodemanager Subru Krishnan Botong Huang
HADOOP-12940 Fix warnings from Spotbugs in hadoop-common Major . Akira Ajisaka Akira Ajisaka
HADOOP-14547 [WASB] the configured retry policy is not used for all storage operations. Major fs/azure Thomas Thomas
HADOOP-14549 Use GenericTestUtils.setLogLevel when available in hadoop-tools Major . Akira Ajisaka Wenxin He
HADOOP-14573 regression: Azure tests which capture logs failing with move to SLF4J Major fs/azure, test Steve Loughran Steve Loughran
HADOOP-14546 Azure: Concurrent I/O does not work when secure.mode is enabled Major fs/azure Thomas Thomas
HADOOP-14190 add more on s3 regions to the s3a documentation Minor documentation, fs/s3 Steve Loughran Steve Loughran
HADOOP-14297 Update the documentation about the new ec codecs config keys Major documentation Kai Sasaki Kai Sasaki
HADOOP-14609 NPE in AzureNativeFileSystemStore.checkContainer() if StorageException lacks an error code Major fs/azure Steve Loughran Steve Loughran
YARN-5311 Document graceful decommission CLI and usage Major documentation Junping Du Elek, Marton
HADOOP-14601 Azure: Reuse ObjectMapper Major fa/azure Mingliang Liu Mingliang Liu
HADOOP-14596 AWS SDK 1.11+ aborts() on close() if > 0 bytes in stream; logs error Blocker fs/s3 Steve Loughran Steve Loughran
YARN-2113 Add cross-user preemption within CapacityScheduler’s leaf-queue Major capacity scheduler Vinod Kumar Vavilapalli Sunil G

OTHER:

JIRA Summary Priority Component Reporter Contributor
HDFS-11026 Convert BlockTokenIdentifier to use Protobuf Major hdfs, hdfs-client Ewan Higgs Ewan Higgs
HADOOP-14091 AbstractFileSystem implementaion for ‘wasbs’ scheme Major fs/azure Varada Hemeswari Varada Hemeswari
YARN-6274 Documentation refers to incorrect nodemanager health checker interval property Trivial documentation Charles Zhang Weiwei Yang
YARN-6411 Clean up the overwrite of createDispatcher() in subclass of MockRM Minor resourcemanager Yufei Gu Yufei Gu
HADOOP-14344 Revert HADOOP-13606 swift FS to add a service load metadata file Major . John Zhuge John Zhuge
HDFS-11717 Add unit test for HDFS-11709 StandbyCheckpointer should handle non-existing legacyOivImageDir gracefully Minor ha, namenode Erik Krogen Erik Krogen
HDFS-11870 Add CLI cmd to enable/disable an erasure code policy Major erasure-coding SammiChen lufei