“Apache Hadoop” Changelog

Release 3.0.0-alpha2 - 2017-01-20

INCOMPATIBLE CHANGES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-13361 Modify hadoop_verify_user to be consistent with hadoop_subcommand_opts (ie more granularity) Major scripts Allen Wittenauer Allen Wittenauer
HDFS-6962 ACL inheritance conflicts with umaskmode Critical security LINTE John Zhuge
HADOOP-13341 Deprecate HADOOP_SERVERNAME_OPTS; replace with (command)_(subcommand)_OPTS Major scripts Allen Wittenauer Allen Wittenauer
HADOOP-13588 ConfServlet should respect Accept request header Major conf Weiwei Yang Weiwei Yang
HDFS-10636 Modify ReplicaInfo to remove the assumption that replica metadata and data are stored in java.io.File. Major datanode, fs Virajith Jalaparti Virajith Jalaparti
HADOOP-13218 Migrate other Hadoop side tests to prepare for removing WritableRPCEngine Major test Kai Zheng Wei Zhou
HDFS-10877 Make RemoteEditLogManifest.committedTxnId optional in Protocol Buffers Major qjm Sean Mackrory Sean Mackrory
HADOOP-13681 Reduce Kafka dependencies in hadoop-kafka module Major metrics Grant Henke Grant Henke
HADOOP-13678 Update jackson from 1.9.13 to 2.x in hadoop-tools Major tools Akira Ajisaka Akira Ajisaka
MAPREDUCE-6776 yarn.app.mapreduce.client.job.max-retries should have a more useful default Major client Daniel Templeton Miklos Szegedi
HADOOP-13699 Configuration does not substitute multiple references to the same var Critical conf Andrew Wang Andrew Wang
HDFS-10637 Modifications to remove the assumption that FsVolumes are backed by java.io.File. Major datanode, fs Virajith Jalaparti Virajith Jalaparti
HDFS-10916 Switch from “raw” to “system” xattr namespace for erasure coding policy Major erasure-coding Andrew Wang Andrew Wang
YARN-4464 Lower the default max applications stored in the RM and store Blocker resourcemanager KWON BYUNGCHANG Daniel Templeton
HADOOP-13721 Remove stale method ViewFileSystem#getTrashCanLocation Minor viewfs Manoj Govindassamy Manoj Govindassamy
HDFS-10957 Retire BKJM from trunk Major ha Vinayakumar B Vinayakumar B
HADOOP-13560 S3ABlockOutputStream to support huge (many GB) file writes Major fs/s3 Steve Loughran Steve Loughran
MAPREDUCE-6791 remove unnecessary dependency from hadoop-mapreduce-client-jobclient to hadoop-mapreduce-client-shuffle Minor mrv2 Haibo Chen Haibo Chen
HADOOP-7352 FileSystem#listStatus should throw IOE upon access error Major fs Matt Foley John Zhuge
HADOOP-13693 Remove the message about HTTP OPTIONS in SPNEGO initialization message from kms audit log Minor kms Xiao Chen Xiao Chen
YARN-5388 Deprecate and remove DockerContainerExecutor Critical nodemanager Daniel Templeton Daniel Templeton
YARN-3732 Change NodeHeartbeatResponse.java and RegisterNodeManagerResponse.java as abstract classes Minor . Devaraj K Devaraj K
HDFS-11048 Audit Log should escape control characters Major . Eric Badger Eric Badger
HADOOP-13792 Stackoverflow for schemeless defaultFS with trailing slash Major fs Darius Murawski John Zhuge
HDFS-10970 Update jackson from 1.9.13 to 2.x in hadoop-hdfs Major build Akira Ajisaka Akira Ajisaka
HDFS-11116 Fix javac warnings caused by deprecation of APIs in TestViewFsDefaultValue Minor . Yiqun Lin Yiqun Lin
HADOOP-12718 Incorrect error message by fs -put local dir without permission Major . John Zhuge John Zhuge
YARN-5825 ProportionalPreemptionalPolicy could use readLock over LeafQueue instead of synchronized block Major capacity scheduler Sunil G Sunil G
HADOOP-12705 Upgrade Jackson 2.2.3 to 2.7.8 Major build Steve Loughran Sean Mackrory
YARN-5713 Update jackson from 1.9.13 to 2.x in hadoop-yarn Major build, timelineserver Akira Ajisaka Akira Ajisaka
HADOOP-13050 Upgrade to AWS SDK 1.11.45 Blocker build, fs/s3 Steve Loughran Steve Loughran
HADOOP-13706 Update jackson from 1.9.13 to 2.x in hadoop-common-project Major build Akira Ajisaka Akira Ajisaka
HADOOP-13812 Upgrade Tomcat to 6.0.48 Blocker kms John Zhuge John Zhuge
HDFS-5517 Lower the default maximum number of blocks per file Major namenode Aaron T. Myers Aaron T. Myers
HADOOP-13842 Update jackson from 1.9.13 to 2.x in hadoop-maven-plugins Minor build Akira Ajisaka Akira Ajisaka
MAPREDUCE-4683 Create and distribute hadoop-mapreduce-client-core-tests.jar Critical build Arun C Murthy Akira Ajisaka
HADOOP-13597 Switch KMS from Tomcat to Jetty Major kms John Zhuge John Zhuge
YARN-6071 Fix incompatible API change on AM-RM protocol due to YARN-3866 (trunk only) Blocker . Junping Du Wangda Tan
HADOOP-13964 Remove vestigal templates directories creation Major build Allen Wittenauer Allen Wittenauer

IMPORTANT ISSUES:

JIRA Summary Priority Component Reporter Contributor

NEW FEATURES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-12756 Incorporate Aliyun OSS file system implementation Major fs shimingfei shimingfei
MAPREDUCE-6774 Add support for HDFS erasure code policy to TestDFSIO Major . SammiChen SammiChen
HDFS-10918 Add a tool to get FileEncryptionInfo from CLI Major encryption Xiao Chen Xiao Chen
HADOOP-13584 hadoop-aliyun: merge HADOOP-12756 branch back Major fs shimingfei Genmao Yu
HDFS-9820 Improve distcp to support efficient restore to an earlier snapshot Major distcp Yongjun Zhang Yongjun Zhang
HADOOP-13716 Add LambdaTestUtils class for tests; fix eventual consistency problem in contract test setup Major test Steve Loughran Steve Loughran
YARN-4597 Introduce ContainerScheduler and a SCHEDULED state to NodeManager container lifecycle Major nodemanager Chris Douglas Arun Suresh
HADOOP-13852 hadoop build to allow hadoop version property to be explicitly set Minor build Steve Loughran Steve Loughran
HADOOP-13578 Add Codec for ZStandard Compression Major . churro morales churro morales
HADOOP-13933 Add haadmin -getAllServiceState option to get the HA state of all the NameNodes/ResourceManagers Major tools Surendra Singh Lilhore Surendra Singh Lilhore
HADOOP-13673 Update scripts to be smarter when running with privilege Major scripts Allen Wittenauer Allen Wittenauer

IMPROVEMENTS:

JIRA Summary Priority Component Reporter Contributor
HDFS-10814 Add assertion for getNumEncryptionZones when no EZ is created Minor test Vinitha Reddy Gankidi Vinitha Reddy Gankidi
HDFS-10784 Implement WebHdfsFileSystem#listStatusIterator Major webhdfs Andrew Wang Andrew Wang
HDFS-10817 Add Logging for Long-held NN Read Locks Major logging, namenode Erik Krogen Erik Krogen
HADOOP-13465 Design Server.Call to be extensible for unified call queue Major ipc Daryn Sharp Daryn Sharp
HDFS-10822 Log DataNodes in the write pipeline Trivial hdfs-client John Zhuge John Zhuge
HDFS-10833 Fix JSON errors in WebHDFS.md examples Trivial documentation Andrew Wang Andrew Wang
YARN-5616 Clean up WeightAdjuster Major fairscheduler Yufei Gu Yufei Gu
HDFS-10778 Add -format option to make the output of FileDistribution processor human-readable in OfflineImageViewer Major tools Yiqun Lin Yiqun Lin
HDFS-10847 Complete the document for FileDistribution processor in OfflineImageViewer Minor documentation Yiqun Lin Yiqun Lin
HADOOP-13519 Make Path serializable Minor io Steve Loughran Steve Loughran
HDFS-10742 Measure lock time in FsDatasetImpl Major datanode Chen Liang Chen Liang
HDFS-10831 Add log when URLConnectionFactory.openConnection failed Minor webhdfs yunjiong zhao yunjiong zhao
HDFS-10855 Fix typos in HDFS documents Minor documentation Yiqun Lin Yiqun Lin
HDFS-10837 Standardize serializiation of WebHDFS DirectoryListing Major webhdfs Andrew Wang Andrew Wang
HADOOP-13598 Add eol=lf for unix format files in .gitattributes Major . Akira Ajisaka Yiqun Lin
HADOOP-13606 swift FS to add a service load metadata file Major fs/swift Steve Loughran Steve Loughran
HADOOP-13411 Checkstyle suppression by annotation or comment Minor . John Zhuge John Zhuge
HADOOP-13412 Move dev-support/checkstyle/suppressions.xml to hadoop-build-tools Trivial . John Zhuge John Zhuge
HADOOP-13580 If user is unauthorized, log “unauthorized” instead of “Invalid signed text:” Minor security Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-10823 Implement HttpFSFileSystem#listStatusIterator Major httpfs Andrew Wang Andrew Wang
HDFS-10489 Deprecate dfs.encryption.key.provider.uri for HDFS encryption zones Minor . Xiao Chen Xiao Chen
HDFS-10868 Remove stray references to DFS_HDFS_BLOCKS_METADATA_ENABLED Trivial . Andrew Wang Andrew Wang
YARN-5540 scheduler spends too much time looking at empty priorities Major capacity scheduler, fairscheduler, resourcemanager Nathan Roberts Jason Lowe
HADOOP-13169 Randomize file list in SimpleCopyListing Minor tools/distcp Rajesh Balamohan Rajesh Balamohan
HDFS-10875 Optimize du -x to cache intermediate result Major snapshots Xiao Chen Xiao Chen
YARN-4591 YARN Web UIs should provide a robots.txt Trivial . Lars Francke Sidharta Seethana
MAPREDUCE-6632 Master.getMasterAddress() should be updated to use YARN-4629 Minor applicationmaster Daniel Templeton Daniel Templeton
YARN-5622 TestYarnCLI.testGetContainers fails due to mismatched date formats Minor . Eric Badger Eric Badger
HDFS-10876 Dispatcher#dispatch should log IOException stacktrace Trivial balancer & mover Wei-Chiu Chuang Manoj Govindassamy
YARN-3692 Allow REST API to set a user generated message when killing an application Major . Rajat Jain Rohith Sharma K S
HDFS-10869 Remove the unused method InodeId#checkId() Major namenode Jagadesh Kiran N Jagadesh Kiran N
YARN-3877 YarnClientImpl.submitApplication swallows exceptions Minor client Steve Loughran Varun Saxena
HADOOP-13658 Replace config key literal strings with config key names I: hadoop common Minor conf Chen Liang Chen Liang
YARN-5400 Light cleanup in ZKRMStateStore Trivial resourcemanager Daniel Templeton Daniel Templeton
MAPREDUCE-6718 add progress log to JHS during startup Minor jobhistoryserver Haibo Chen Haibo Chen
HADOOP-13537 Support external calls in the RPC call queue Major ipc Daryn Sharp Daryn Sharp
HDFS-10908 Improve StripedBlockReader#createBlockReader error logging Minor erasure-coding Wei-Chiu Chuang Manoj Govindassamy
HDFS-10910 HDFS Erasure Coding doc should state its currently supported erasure coding policies Major documentation, erasure-coding Wei-Chiu Chuang Yiqun Lin
HADOOP-13317 Add logs to KMS server-side to improve supportability Minor kms Xiao Chen Suraj Acharya
HDFS-10940 Reduce performance penalty of block caching when not used Major namenode Daryn Sharp Daryn Sharp
MAPREDUCE-6638 Do not attempt to recover progress from previous job attempts if spill encryption is enabled Major applicationmaster Karthik Kambatla Haibo Chen
YARN-4855 Should check if node exists when replace nodelabels Minor . Tao Jie Tao Jie
HDFS-10690 Optimize insertion/removal of replica in ShortCircuitCache Major hdfs-client Fenghua Hu Fenghua Hu
HADOOP-13685 Document -safely option of rm command. Major . Xiaoyu Yao Xiaoyu Yao
HADOOP-13628 Support to retrieve specific property from configuration via REST API Major conf Weiwei Yang Weiwei Yang
HDFS-10683 Make class Token$PrivateToken private Minor . John Zhuge John Zhuge
HDFS-10963 Reduce log level when network topology cannot find enough datanodes. Minor . Xiao Chen Xiao Chen
HADOOP-13323 Downgrade stack trace on FS load from Warn to debug Minor fs Steve Loughran Steve Loughran
HADOOP-13688 Stop bundling HTML source code in javadoc JARs Major build Andrew Wang Andrew Wang
HADOOP-13150 Avoid use of toString() in output of HDFS ACL shell commands. Minor . Chris Nauroth Chris Nauroth
HADOOP-13689 Do not attach javadoc and sources jars during non-dist build Major . Andrew Wang Andrew Wang
HADOOP-12579 Deprecate WriteableRPCEngine Major . Haohui Mai Wei Zhou
HADOOP-13641 Update UGI#spawnAutoRenewalThreadForUserCreds to reduce indentation Minor . Xiao Chen Huafeng Wang
YARN-5551 Ignore file backed pages from memory computation when smaps is enabled Minor . Rajesh Balamohan Rajesh Balamohan
HDFS-10933 Refactor TestFsck Minor . Takanobu Asanuma Takanobu Asanuma
HADOOP-13684 Snappy may complain Hadoop is built without snappy if libhadoop is not found. Minor . Wei-Chiu Chuang Wei-Chiu Chuang
HADOOP-13705 Revert HADOOP-13534 Remove unused TrashPolicy#getInstance and initialize code Major . Andrew Wang Andrew Wang
HADOOP-13698 Document caveat for KeyShell when underlying KeyProvider does not delete a key Minor documentation, kms Xiao Chen Xiao Chen
HDFS-10789 Route webhdfs through the RPC call queue Major ipc, webhdfs Daryn Sharp Daryn Sharp
HDFS-10903 Replace config key literal strings with config key names II: hadoop hdfs Minor . Mingliang Liu Chen Liang
HADOOP-13710 Supress CachingGetSpaceUsed from logging interrupted exception stacktrace Minor fs Wei-Chiu Chuang Hanisha Koneru
YARN-5599 Publish AM launch command to ATS Major . Daniel Templeton Rohith Sharma K S
HDFS-11012 Unnecessary INFO logging on DFSClients for InvalidToken Minor fs Harsh J Harsh J
HDFS-11003 Expose “XmitsInProgress” through DataNodeMXBean Major . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-13661 Upgrade HTrace version Major . Sean Mackrory Sean Mackrory
HADOOP-13722 Code cleanup – ViewFileSystem and InodeTree Minor viewfs Manoj Govindassamy Manoj Govindassamy
HADOOP-13724 Fix a few typos in site markdown documents Minor documentation Andrew Wang Ding Fei
YARN-5466 DefaultContainerExecutor needs JavaDocs Minor nodemanager Daniel Templeton Daniel Templeton
HADOOP-13522 Add %A and %a formats for fs -stat command to print permissions Major fs Alex Garbarini Alex Garbarini
HDFS-11009 Add a tool to reconstruct block meta file from CLI Major datanode Xiao Chen Xiao Chen
HDFS-9480 Expose nonDfsUsed via StorageTypeStats Major . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-13737 Cleanup DiskChecker interface Major util Arpit Agarwal Arpit Agarwal
HADOOP-13702 Add a new instrumented read-write lock Major common Jingcheng Du Jingcheng Du
HADOOP-13732 Upgrade OWASP dependency-check plugin version Minor security Mike Yoder Mike Yoder
HADOOP-12082 Support multiple authentication schemes via AuthenticationFilter Major security Hrishikesh Gadre Hrishikesh Gadre
HADOOP-13669 KMS Server should log exceptions before throwing Major kms Xiao Chen Suraj Acharya
MAPREDUCE-6792 Allow user’s full principal name as owner of MapReduce staging directory in JobSubmissionFiles#JobStagingDir() Major client Santhosh G Nayak Santhosh G Nayak
HDFS-5684 Annotate o.a.h.fs.viewfs.ViewFileSystem.MountPoint as VisibleForTesting Minor hdfs-client Keith Turner Manoj Govindassamy
YARN-5575 Many classes use bare yarn. properties instead of the defined constants Major . Daniel Templeton Daniel Templeton
HADOOP-13659 Upgrade jaxb-api version Major build Sean Mackrory Sean Mackrory
HADOOP-13502 Split fs.contract.is-blobstore flag into more descriptive flags for use by contract tests. Minor test Chris Nauroth Chris Nauroth
HADOOP-13017 Implementations of InputStream.read(buffer, offset, bytes) to exit 0 if bytes==0 Major io Steve Loughran Steve Loughran
HDFS-11049 The description of dfs.block.replicator.classname is not clear Minor documentation Yiqun Lin Yiqun Lin
HDFS-11069 Tighten the authorization of datanode RPC Major datanode, security Kihwal Lee Kihwal Lee
YARN-4456 Clean up Lint warnings in nodemanager Minor nodemanager Daniel Templeton Daniel Templeton
HDFS-11055 Update default-log4j.properties for httpfs to imporve test logging Major httpfs, test Wei-Chiu Chuang Wei-Chiu Chuang
YARN-4710 Reduce logging application reserved debug info in FSAppAttempt#assignContainer Minor fairscheduler Yiqun Lin Yiqun Lin
YARN-4668 Reuse objectMapper instance in Yarn Major timelineclient Yiqun Lin Yiqun Lin
HDFS-11064 Mention the default NN rpc ports in hdfs-default.xml Minor documentation Andrew Wang Yiqun Lin
HDFS-10926 Update staled configuration properties related to erasure coding Major . SammiChen SammiChen
YARN-4963 capacity scheduler: Make number of OFF_SWITCH assignments per heartbeat configurable Major capacityscheduler Nathan Roberts Nathan Roberts
HDFS-11047 Remove deep copies of FinalizedReplica to alleviate heap consumption on DataNode Major datanode Xiaobing Zhou Xiaobing Zhou
HADOOP-10075 Update jetty dependency to version 9 Critical . Robert Rati Robert Kanter
MAPREDUCE-6799 Document mapreduce.jobhistory.webapp.https.address in mapred-default.xml Minor documentation, jobhistoryserver Akira Ajisaka Yiqun Lin
HDFS-11074 Remove unused method FsDatasetSpi#getFinalizedBlocksOnPersistentStorage Major datanode Arpit Agarwal Hanisha Koneru
YARN-4907 Make all MockRM#waitForState consistent. Major resourcemanager Yufei Gu Yufei Gu
YARN-4396 Log the trace information on FSAppAttempt#assignContainer Major applications, fairscheduler Yiqun Lin Yiqun Lin
MAPREDUCE-6795 Update the document for JobConf#setNumReduceTasks Major documentation Akira Ajisaka Yiqun Lin
HADOOP-13603 Ignore package line length checkstyle rule Major build Shane Kumpf Shane Kumpf
HADOOP-13583 Incorporate checkcompatibility script which runs Java API Compliance Checker Major scripts Andrew Wang Andrew Wang
HADOOP-13738 DiskChecker should perform some disk IO Major . Arpit Agarwal Arpit Agarwal
HADOOP-13667 Fix typing mistake of inline document in hadoop-metrics2.properties Major documentation Rui Gao Rui Gao
HDFS-10909 De-duplicate code in ErasureCodingWorker#initializeStripedReadThreadPool and DFSClient#initThreadsNumForStripedReads Minor . Wei-Chiu Chuang Manoj Govindassamy
HADOOP-13784 Output javadoc inside the target directory Major documentation Andrew Wang Andrew Wang
HDFS-11080 Update HttpFS to use ConfigRedactor Major . Sean Mackrory Sean Mackrory
YARN-5697 Use CliParser to parse options in RMAdminCLI Major . Tao Jie Tao Jie
HADOOP-12453 Support decoding KMS Delegation Token with its own Identifier Major kms, security Xiaoyu Yao Xiaoyu Yao
HDFS-11088 Quash unnecessary safemode WARN message during NameNode startup Trivial . Andrew Wang Yiqun Lin
MAPREDUCE-6796 Remove unused properties from JTConfig.java Major . Akira Ajisaka Haibo Chen
YARN-4998 Minor cleanup to UGI use in AdminService Trivial resourcemanager Daniel Templeton Daniel Templeton
HDFS-10756 Expose getTrashRoot to HTTPFS and WebHDFS Major encryption, httpfs, webhdfs Xiao Chen Yuanbo Liu
MAPREDUCE-6790 Update jackson from 1.9.13 to 2.x in hadoop-mapreduce Major build Akira Ajisaka Akira Ajisaka
YARN-5720 Update document for “rmadmin -replaceLabelOnNode” Minor . Tao Jie Tao Jie
YARN-5356 NodeManager should communicate physical resource capability to ResourceManager Major nodemanager, resourcemanager Nathan Roberts Inigo Goiri
HADOOP-13802 Make generic options help more consistent, and aligned Minor . Grant Sohn Grant Sohn
HADOOP-13782 Make MutableRates metrics thread-local write, aggregate-on-read Major metrics Erik Krogen Erik Krogen
HDFS-9482 Replace DatanodeInfo constructors with a builder pattern Major . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-13800 Remove unused HADOOP_AUDIT_LOGGER from hadoop-env.sh Minor scripts Akira Ajisaka Yiqun Lin
HADOOP-13590 Retry until TGT expires even if the UGI renewal thread encountered exception Major security Xiao Chen Xiao Chen
HDFS-11120 TestEncryptionZones should waitActive Minor test Xiao Chen John Zhuge
HADOOP-13687 Provide a unified dependency artifact that transitively includes the cloud storage modules shipped with Hadoop. Major build Chris Nauroth Chris Nauroth
HADOOP-13720 Add more info to the msgs printed in AbstractDelegationTokenSecretManager for better supportability Trivial common, security Yongjun Zhang Yongjun Zhang
HADOOP-13037 Refactor Azure Data Lake Store as an independent FileSystem Major fs/adl Shrikant Naidu Vishwajeet Dusane
YARN-5552 Add Builder methods for common yarn API records Major . Arun Suresh Tao Jie
HDFS-10941 Improve BlockManager#processMisReplicatesAsync log Major namenode Xiaoyu Yao Chen Liang
YARN-4033 In FairScheduler, parent queues should also display queue status Major fairscheduler Siqi Li Siqi Li
HADOOP-13810 Add a test to verify that Configuration handles &-encoded characters Minor test Steve Loughran Steve Loughran
HADOOP-13427 Eliminate needless uses of FileSystem#{exists(), isFile(), isDirectory()} Major fs Steve Loughran Mingliang Liu
YARN-5736 YARN container executor config does not handle white space Trivial nodemanager Miklos Szegedi Miklos Szegedi
YARN-5375 invoke MockRM#drainEvents implicitly in MockRM methods to reduce test failures Major resourcemanager sandflee sandflee
HDFS-11147 Remove confusing log output in FsDatasetImpl#getInitialVolumeFailureInfos Minor datanode Chen Liang Chen Liang
HADOOP-13742 Expose “NumOpenConnectionsPerUser” as a metric Major . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-13660 Upgrade commons-configuration version to 2.1 Major build Sean Mackrory Sean Mackrory
HDFS-11117 Refactor striped file tests to allow flexibly test erasure coding policy Major . SammiChen SammiChen
HADOOP-13646 Remove outdated overview.html Minor . Akira Ajisaka Brahma Reddy Battula
YARN-5722 FairScheduler hides group resolution exceptions when assigning queue Major fairscheduler Wilfred Spiegelenburg Wilfred Spiegelenburg
HADOOP-13166 add getFileStatus(“/”) test to AbstractContractGetFileStatusTest Minor fs, test Steve Loughran Steve Loughran
HADOOP-11552 Allow handoff on the server side for RPC requests Major ipc Siddharth Seth Siddharth Seth
HADOOP-13605 Clean up FileSystem javadocs, logging; improve diagnostics on FS load Major fs Steve Loughran Steve Loughran
HADOOP-13018 Make Kdiag check whether hadoop.token.files points to existent and valid files Major . Ravi Prakash Ravi Prakash
HADOOP-11603 Metric Snapshot log can be changed #MetricsSystemImpl.java since all the services will be initialized Minor metrics Brahma Reddy Battula Brahma Reddy Battula
HADOOP-10776 Open up already widely-used APIs for delegation-token fetching & renewal to ecosystem projects Blocker . Robert Joseph Evans Vinod Kumar Vavilapalli
HDFS-11175 Document uppercase key names are not supported in TransparentEncryption.md Minor documentation Yuanbo Liu Yiqun Lin
HADOOP-1381 The distance between sync blocks in SequenceFiles should be configurable Major io Owen O’Malley Harsh J
HADOOP-13506 Redundant groupid warning in child projects Minor . Kai Sasaki Kai Sasaki
YARN-5890 FairScheduler should log information about AM-resource-usage and max-AM-share for queues Major fairscheduler Yufei Gu Yufei Gu
YARN-4997 Update fair scheduler to use pluggable auth provider Major fairscheduler Daniel Templeton Tao Jie
HADOOP-13790 Make qbt script executable Trivial scripts Andrew Wang Andrew Wang
HDFS-8674 Improve performance of postponed block scans Critical namenode Daryn Sharp Daryn Sharp
MAPREDUCE-6787 Allow job_conf.xml to be downloadable on the job overview page in JHS Major jobhistoryserver Haibo Chen Haibo Chen
HDFS-10581 Hide redundant table on NameNode WebUI when no nodes are decomissioning Trivial hdfs, ui Weiwei Yang Weiwei Yang
HDFS-11211 Add a time unit to the DataNode client trace format Minor datanode Akira Ajisaka Jagadesh Kiran N
HADOOP-13827 Add reencryptEncryptedKey interface to KMS Major kms Xiao Chen Xiao Chen
HDFS-10206 Datanodes not sorted properly by distance when the reader isn’t a datanode Major . Ming Ma Nanda kumar
HDFS-11217 Annotate NameNode and DataNode MXBean interfaces as Private/Stable Major . Akira Ajisaka Jagadesh Kiran N
YARN-4457 Cleanup unchecked types for EventHandler Major . Daniel Templeton Daniel Templeton
HADOOP-13900 Remove snapshot version of SDK dependency from Azure Data Lake Store File System Major fs/adl Vishwajeet Dusane Vishwajeet Dusane
HDFS-10958 Add instrumentation hooks around Datanode disk IO Major datanode Xiaoyu Yao Arpit Agarwal
HDFS-11249 Redundant toString() in DFSConfigKeys.java Trivial . Akira Ajisaka Jagadesh Kiran N
YARN-5882 Test only changes from YARN-4126 Major . Andrew Wang Jian He
HADOOP-13709 Ability to clean up subprocesses spawned by Shell when the process exits Major . Eric Badger Eric Badger
HDFS-11262 Remove unused variables in FSImage.java Trivial . Akira Ajisaka Jagadesh Kiran N
HDFS-10930 Refactor: Wrap Datanode IO related operations Major datanode Xiaoyu Yao Xiaoyu Yao
HDFS-10959 Adding per disk IO statistics and metrics in DataNode. Major datanode Xiaoyu Yao Xiaoyu Yao
HDFS-10913 Introduce fault injectors to simulate slow mirrors Major datanode, test Xiaobing Zhou Xiaobing Zhou
HADOOP-13911 Remove TRUSTSTORE_PASSWORD related scripts from KMS Minor kms Xiao Chen John Zhuge
YARN-4994 Use MiniYARNCluster with try-with-resources in tests Trivial test Andras Bokor Andras Bokor
HADOOP-13863 Azure: Add a new SAS key mode for WASB. Major fs/azure Dushyanth Dushyanth
HDFS-10917 Collect peer performance statistics on DataNode. Major datanode Xiaobing Zhou Xiaobing Zhou
YARN-5969 FairShareComparator: Cache value of getResourceUsage for better performance Major fairscheduler zhangshilong zhangshilong
HDFS-11275 Check groupEntryIndex and throw a helpful exception on failures when removing ACL. Major namenode Xiao Chen Xiao Chen
YARN-5709 Cleanup leader election configs and pluggability Critical resourcemanager Karthik Kambatla Karthik Kambatla
HDFS-11279 Cleanup unused DataNode#checkDiskErrorAsync() Minor . Xiaoyu Yao Hanisha Koneru
HDFS-11156 Add new op GETFILEBLOCKLOCATIONS to WebHDFS REST API Major webhdfs Weiwei Yang Weiwei Yang
HDFS-9483 Documentation does not cover use of “swebhdfs” as URL scheme for SSL-secured WebHDFS. Major documentation Chris Nauroth Surendra Singh Lilhore
YARN-5991 Yarn Distributed Shell does not print throwable t to App Master When failed to start container Minor . dashwang Jim Frankola
HDFS-11292 log lastWrittenTxId etc info in logSyncAll Major hdfs Yongjun Zhang Yongjun Zhang
HDFS-11273 Move TransferFsImage#doGetUrl function to a Util class Major . Hanisha Koneru Hanisha Koneru
YARN-6015 AsyncDispatcher thread name can be set to improved debugging Major . Ajith S Ajith S
HADOOP-13953 Make FTPFileSystem’s data connection mode and transfer mode configurable Major fs Xiao Chen Xiao Chen
HDFS-11299 Support multiple Datanode File IO hooks Major hdfs Hanisha Koneru Hanisha Koneru
YARN-5849 Automatically create YARN control group for pre-mounted cgroups Minor . Miklos Szegedi Miklos Szegedi
HDFS-11339 Support File IO sampling for Datanode IO profiling hooks Major datanode Hanisha Koneru Hanisha Koneru
HDFS-11274 Datanode should only check the failed volume upon IO errors Major datanode Xiaoyu Yao Xiaoyu Yao
MAPREDUCE-6819 Replace UTF8 with Text in MRBench Minor test Akira Ajisaka Peter Bacsko
HDFS-11306 Print remaining edit logs from buffer if edit log can’t be rolled. Major ha, namenode Wei-Chiu Chuang Wei-Chiu Chuang
HADOOP-13978 Update project release notes for 3.0.0-alpha2 Major documentation Andrew Wang Andrew Wang
HADOOP-13955 Replace deprecated HttpServer2 and SSLFactory constants Minor . John Zhuge John Zhuge
HADOOP-13496 Include file lengths in Mismatch in length error for distcp Minor . Ted Yu Ted Yu
HADOOP-13999 Add -DskipShade maven profile to disable jar shading to reduce compile time Minor build Arun Suresh Arun Suresh
YARN-6028 Add document for container metrics Major documentation, nodemanager Weiwei Yang Weiwei Yang
MAPREDUCE-6728 Give fetchers hint when ShuffleHandler rejects a shuffling connection Major mrv2 Haibo Chen Haibo Chen

BUG FIXES:

JIRA Summary Priority Component Reporter Contributor
MAPREDUCE-4784 TestRecovery occasionally fails Major mrv2, test Jason Lowe Haibo Chen
HDFS-10760 DataXceiver#run() should not log InvalidToken exception as an error Major . Pan Yuxuan Pan Yuxuan
HDFS-10729 Improve log message for edit loading failures caused by FS limit checks. Major namenode Wei-Chiu Chuang Wei-Chiu Chuang
YARN-5221 Expose UpdateResourceRequest API to allow AM to request for change in container properties Major . Arun Suresh Arun Suresh
HADOOP-13375 o.a.h.security.TestGroupsCaching.testBackgroundRefreshCounters seems flaky Major security, test Mingliang Liu Weiwei Yang
HDFS-10820 Reuse closeResponder to reset the response variable in DataStreamer#run Minor . Yiqun Lin Yiqun Lin
YARN-5555 Scheduler UI: “% of Queue” is inaccurate if leaf queue is hierarchically nested. Minor . Eric Payne Eric Payne
YARN-5549 AMLauncher#createAMContainerLaunchContext() should not log the command to be launched indiscriminately Critical resourcemanager Daniel Templeton Daniel Templeton
HDFS-10835 Fix typos in httpfs.sh Trivial httpfs John Zhuge John Zhuge
HDFS-10841 Remove duplicate or unused variable in appendFile() Minor . Kihwal Lee Kihwal Lee
HADOOP-13558 UserGroupInformation created from a Subject incorrectly tries to renew the Kerberos ticket Major security Alejandro Abdelnur Xiao Chen
HADOOP-13388 Clean up TestLocalFileSystemPermission Trivial fs Andras Bokor Andras Bokor
HDFS-10844 test_libhdfs_threaded_hdfs_static and test_libhdfs_zerocopy_hdfs_static are failing Major libhdfs Akira Ajisaka Akira Ajisaka
HDFS-9038 DFS reserved space is erroneously counted towards non-DFS used. Major datanode Chris Nauroth Brahma Reddy Battula
MAPREDUCE-6628 Potential memory leak in CryptoOutputStream Major security Mariappan Asokan Mariappan Asokan
HDFS-10832 Propagate ACL bit and isEncrypted bit in HttpFS FileStatus permissions Critical httpfs Andrew Wang Andrew Wang
HDFS-9781 FsDatasetImpl#getBlockReports can occasionally throw NullPointerException Major datanode Wei-Chiu Chuang Manoj Govindassamy
HDFS-10830 FsDatasetImpl#removeVolumes crashes with IllegalMonitorStateException when vol being removed is in use Major hdfs Manoj Govindassamy Arpit Agarwal
HADOOP-13587 distcp.map.bandwidth.mb is overwritten even when -bandwidth flag isn’t set Minor tools/distcp Zoran Dimitrijevic Zoran Dimitrijevic
HDFS-10856 Update the comment of BPServiceActor$Scheduler#scheduleNextBlockReport Minor documentation Akira Ajisaka Yiqun Lin
YARN-5630 NM fails to start after downgrade from 2.8 to 2.7 Blocker nodemanager Jason Lowe Jason Lowe
HADOOP-13616 Broken code snippet area in Hadoop Benchmarking Minor documentation Kai Sasaki Kai Sasaki
HDFS-10862 Typos in 4 log messages Trivial . Mehran Hassani Mehran Hassani
YARN-5163 Migrate TestClientToAMTokens and TestClientRMTokens tests from the old RPC engine Major test Arun Suresh Wei Zhou
YARN-4232 TopCLI console support for HA mode Minor . Bibin A Chundatt Bibin A Chundatt
MAPREDUCE-6777 Typos in 4 log messages Trivial . Mehran Hassani Mehran Hassani
YARN-5642 Typos in 9 log messages Trivial . Mehran Hassani Mehran Hassani
YARN-5657 Fix TestDefaultContainerExecutor Major test Akira Ajisaka Arun Suresh
YARN-5577 [Atsv2] Document object passing in infofilters with an example Major timelinereader, timelineserver Rohith Sharma K S Rohith Sharma K S
YARN-5655 TestContainerManagerSecurity#testNMTokens is asserting Major . Jason Lowe Robert Kanter
HADOOP-13601 Fix typo in a log messages of AbstractDelegationTokenSecretManager Trivial . Mehran Hassani Mehran Hassani
HDFS-10879 TestEncryptionZonesWithKMS#testReadWrite fails intermittently Major . Xiao Chen Xiao Chen
HADOOP-13602 Fix some warnings by findbugs in hadoop-maven-plugin Major . Tsuyoshi Ozawa Tsuyoshi Ozawa
YARN-4973 YarnWebParams next.fresh.interval should be next.refresh.interval Minor webapp Daniel Templeton Daniel Templeton
YARN-5539 TimelineClient failed to retry on “java.net.SocketTimeoutException: Read timed out” Critical yarn Sumana Sathish Junping Du
HADOOP-13643 Math error in AbstractContractDistCpTest Minor . Aaron Fabbri Aaron Fabbri
HDFS-10894 Remove the redundant charactors for command -saveNamespace in HDFSCommands.md Trivial documentation Yiqun Lin Yiqun Lin
HDFS-10886 Replace “fs.default.name” with “fs.defaultFS” in viewfs document Minor documentation, federation Brahma Reddy Battula Brahma Reddy Battula
HDFS-10843 Update space quota when a UC block is completed rather than committed. Major hdfs, namenode Erik Krogen Erik Krogen
HDFS-10866 Fix Eclipse Java 8 compile errors related to generic parameters. Major . Konstantin Shvachko Konstantin Shvachko
YARN-5664 Fix Yarn documentation to link to correct versions. Minor . Xiao Chen Xiao Chen
YARN-5663 Small refactor in ZKRMStateStore Minor resourcemanager Oleksii Dymytrov Oleksii Dymytrov
HADOOP-13638 KMS should set UGI’s Configuration object properly Major kms Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-9885 Correct the distcp counters name while displaying counters Minor distcp Archana T Surendra Singh Lilhore
YARN-5660 Wrong audit constants are used in Get/Put of priority in RMWebService Trivial resourcemanager Rohith Sharma K S Rohith Sharma K S
HDFS-10889 Remove outdated Fault Injection Framework documentaion Major documentation Brahma Reddy Battula Brahma Reddy Battula
HDFS-10713 Throttle FsNameSystem lock warnings Major logging, namenode Arpit Agarwal Hanisha Koneru
HDFS-10426 TestPendingInvalidateBlock failed in trunk Major test Yiqun Lin Yiqun Lin
HDFS-10828 Fix usage of FsDatasetImpl object lock in ReplicaMap Blocker . Arpit Agarwal Arpit Agarwal
YARN-5631 Missing refreshClusterMaxPriority usage in rmadmin help message Minor . Kai Sasaki Kai Sasaki
HDFS-10376 Enhance setOwner testing Major . Yongjun Zhang John Zhuge
HDFS-10915 Fix time measurement bug in TestDatanodeRestart#testWaitForRegistrationOnRestart Minor test Xiaobing Zhou Xiaobing Zhou
HDFS-9444 Add utility to find set of available ephemeral ports to ServerSocketUtil Major . Brahma Reddy Battula Masatake Iwasaki
YARN-5662 Provide an option to enable ContainerMonitor Major . Jian He Jian He
HADOOP-11780 Prevent IPC reader thread death Critical ipc Daryn Sharp Daryn Sharp
HDFS-10824 MiniDFSCluster#storageCapacities has no effects on real capacity Major . Xiaobing Zhou Xiaobing Zhou
HDFS-10914 Move remnants of oah.hdfs.client to hadoop-hdfs-client Critical hdfs-client Andrew Wang Andrew Wang
HADOOP-13164 Optimize S3AFileSystem::deleteUnnecessaryFakeDirectories Minor fs/s3 Rajesh Balamohan Rajesh Balamohan
MAPREDUCE-6771 RMContainerAllocator sends container diagnostics event after corresponding completion event Major mrv2 Haibo Chen Haibo Chen
HADOOP-13640 Fix findbugs warning in VersionInfoMojo.java Major . Tsuyoshi Ozawa Yuanbo Liu
HDFS-10850 getEZForPath should NOT throw FNF Blocker hdfs Daryn Sharp Andrew Wang
HADOOP-13671 Fix ClassFormatException in trunk build. Major build Kihwal Lee Kihwal Lee
HDFS-10907 Fix Erasure Coding documentation Trivial documentation, erasure-coding Wei-Chiu Chuang Manoj Govindassamy
YARN-5693 Reduce loglevel to Debug in ContainerManagementProtocolProxy and AMRMClientImpl Major yarn Yufei Gu Yufei Gu
YARN-5678 Log demand as demand in FSLeafQueue and FSParentQueue Major fairscheduler Yufei Gu Yufei Gu
YARN-5672 FairScheduler: wrong queue name in log when adding application Minor fairscheduler Wilfred Spiegelenburg Wilfred Spiegelenburg
YARN-4767 Network issues can cause persistent RM UI outage Critical webapp Daniel Templeton Daniel Templeton
HDFS-10810 Setreplication removing block from underconstrcution temporarily when batch IBR is enabled. Major namenode Brahma Reddy Battula Brahma Reddy Battula
HDFS-10944 Correct the javadoc of dfsadmin#disallowSnapshot Minor documentation Jagadesh Kiran N Jagadesh Kiran N
HDFS-10947 Correct the API name for truncate in webhdfs document Major documentation Surendra Singh Lilhore Surendra Singh Lilhore
HDFS-10878 TestDFSClientRetries#testIdempotentAllocateBlockAndClose throws ConcurrentModificationException Major hdfs-client Rushabh S Shah Rushabh S Shah
HADOOP-12667 s3a: Support createNonRecursive API Major fs/s3 Sean Mackrory Sean Mackrory
HDFS-10609 Uncaught InvalidEncryptionKeyException during pipeline recovery may abort downstream applications Major encryption Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-10962 TestRequestHedgingProxyProvider is flaky Major test Andrew Wang Andrew Wang
MAPREDUCE-6789 Fix TestAMWebApp failure Major test Akira Ajisaka Daniel Templeton
MAPREDUCE-6740 Enforce mapreduce.task.timeout to be at least mapreduce.task.progress-report.interval Minor mr-am Haibo Chen Haibo Chen
HADOOP-13690 Fix typos in core-default.xml Minor documentation Yiqun Lin Yiqun Lin
YARN-5101 YARN_APPLICATION_UPDATED event is parsed in ApplicationHistoryManagerOnTimelineStore#convertToApplicationReport with reversed order Major . Xuan Gong Sunil G
YARN-5659 getPathFromYarnURL should use standard methods Major . Sergey Shelukhin Sergey Shelukhin
HADOOP-12611 TestZKSignerSecretProvider#testMultipleInit occasionally fail Major . Wei-Chiu Chuang Eric Badger
HDFS-10969 Fix typos in hdfs-default.xml Minor documentation Yiqun Lin Yiqun Lin
HDFS-10797 Disk usage summary of snapshots causes renamed blocks to get counted twice Major snapshots Sean Mackrory Sean Mackrory
YARN-5057 resourcemanager.security.TestDelegationTokenRenewer fails in trunk Major . Yongjun Zhang Jason Lowe
HADOOP-13697 LogLevel#main throws exception if no arguments provided Major . Mingliang Liu Mingliang Liu
HDFS-10991 Export hdfsTruncateFile symbol in libhdfs Blocker libhdfs Surendra Singh Lilhore Surendra Singh Lilhore
HADOOP-13700 Remove unthrown IOException from TrashPolicy#initialize and #getInstance signatures Critical fs Haibo Chen Andrew Wang
HDFS-11002 Fix broken attr/getfattr/setfattr links in ExtendedAttributes.md Major documentation Mingliang Liu Mingliang Liu
HDFS-11000 webhdfs PUT does not work if requests are routed to call queue. Major . Kihwal Lee Kihwal Lee
HDFS-10987 Make Decommission less expensive when lot of blocks present. Critical . Brahma Reddy Battula Brahma Reddy Battula
HADOOP-13024 Distcp with -delete feature on raw data not implemented Major . Mavin Martin Mavin Martin
HDFS-10986 DFSAdmin should log detailed error message if any Major tools Mingliang Liu Mingliang Liu
HADOOP-13723 AliyunOSSInputStream#read() should update read bytes stat correctly Major tools Mingliang Liu Mingliang Liu
HDFS-10990 TestPendingInvalidateBlock should wait for IBRs Minor . Yiqun Lin Yiqun Lin
HDFS-10735 Distcp using webhdfs on secure HA clusters fails with StandbyException Major webhdfs Benoy Antony Benoy Antony
HDFS-10883 getTrashRoot‘s behavior is not consistent in DFS after enabling EZ. | Major | . | Yuanbo Liu | Yuanbo Liu | | HADOOP-13707 | If kerberos is enabled while HTTP SPNEGO is not configured, some links cannot be accessed | Major | . | Yuanbo Liu | Yuanbo Liu | | HDFS-10301 | BlockReport retransmissions may lead to storages falsely being declared zombie if storage report processing happens out of order | Critical | namenode | Konstantin Shvachko | Vinitha Reddy Gankidi | | HDFS-10920 | TestStorageMover#testNoSpaceDisk is failing intermittently | Major | test | Rakesh R | Rakesh R | | YARN-5718 | TimelineClient (and other places in YARN) shouldn’t over-write HDFS client retry settings which could cause unexpected behavior | Major | resourcemanager, timelineclient | Junping Du | Junping Du | | YARN-5743 | [Atsv2] Publish queue name and RMAppMetrics to ATS | Major | . | Rohith Sharma K S | Rohith Sharma K S | | HDFS-10960 | TestDataNodeHotSwapVolumes#testRemoveVolumeBeingWritten fails at disk error verification after volume remove | Minor | hdfs | Manoj Govindassamy | Manoj Govindassamy | | HDFS-10752 | Several log refactoring/improvement suggestion in HDFS | Major | . | Nemo Chen | Hanisha Koneru | | HDFS-11025 | TestDiskspaceQuotaUpdate fails in trunk due to Bind exception | Minor | . | Yiqun Lin | Yiqun Lin | | HDFS-10627 | Volume Scanner marks a block as “suspect” even if the exception is network-related | Major | hdfs | Rushabh S Shah | Rushabh S Shah | | HDFS-10699 | Log object instance get incorrectly in TestDFSAdmin | Minor | . | Yiqun Lin | Yiqun Lin | | HDFS-11018 | Incorrect check and message in FsDatasetImpl#invalidate | Major | datanode | Wei-Chiu Chuang | Yiqun Lin | | HADOOP-13236 | truncate will fail when we use viewfilesystem | Major | . | Brahma Reddy Battula | Brahma Reddy Battula | | HDFS-10730 | Fix some failed tests due to BindException | Major | . | Yiqun Lin | Yiqun Lin | | YARN-5747 | Application timeline metric aggregation in timeline v2 will lose last round aggregation when an application finishes | Major | timelineserver | Li Lu | Li Lu | | YARN-5679 | TestAHSWebServices is failing | Major | timelineserver | Akira Ajisaka | Akira Ajisaka | | HADOOP-13749 | KMSClientProvider combined with KeyProviderCache can result in wrong UGI being used | Critical | . | Sergey Shelukhin | Xiaoyu Yao | | HDFS-11042 | Add missing cleanupSSLConfig() call for tests that use setupSSLConfig() | Major | test | Kuhu Shukla | Kuhu Shukla | | HADOOP-13626 | Remove distcp dependency on FileStatus serialization | Major | tools/distcp | Chris Douglas | Chris Douglas | | HDFS-11046 | Duplicate ’-’ in the daemon log name Major logging Akira Ajisaka Akira Ajisaka
YARN-5711 Propogate exceptions back to client when using hedging RM failover provider Critical applications, resourcemanager Subru Krishnan Subru Krishnan
YARN-5754 Null check missing for earliest in FifoPolicy Major fairscheduler Yufei Gu Yufei Gu
YARN-5777 TestLogsCLI#testFetchApplictionLogsAsAnotherUser fails Major test Akira Ajisaka Akira Ajisaka
HDFS-11015 Enforce timeout in balancer Major balancer & mover Kihwal Lee Kihwal Lee
HDFS-11040 Add documentation for HDFS-9820 distcp improvement Major distcp Yongjun Zhang Yongjun Zhang
YARN-5677 RM should transition to standby when connection is lost for an extended period Critical resourcemanager Daniel Templeton Daniel Templeton
HDFS-11054 Suppress verbose log message in BlockPlacementPolicyDefault Major . Arpit Agarwal Chen Liang
HDFS-10935 TestFileChecksum fails in some cases Major . Wei-Chiu Chuang SammiChen
YARN-5753 fix NPE in AMRMClientImpl.getMatchingRequests() Major yarn Haibo Chen Haibo Chen
HDFS-11050 Change log level to ‘warn’ when ssl initialization fails and defaults to DEFAULT_TIMEOUT_CONN_CONFIGURATOR Major . Kuhu Shukla Kuhu Shukla
HDFS-11053 Unnecessary superuser check in versionRequest() Major namenode, security Kihwal Lee Kihwal Lee
YARN-5433 Audit dependencies for Category-X Blocker timelineserver Sean Busbey Sangjin Lee
HDFS-10921 TestDiskspaceQuotaUpdate doesn’t wait for NN to get out of safe mode Major . Eric Badger Eric Badger
HADOOP-8299 ViewFileSystem link slash mount point crashes with IndexOutOfBoundsException Major viewfs Eli Collins Manoj Govindassamy
HDFS-9929 Duplicate keys in NAMENODE_SPECIFIC_KEYS Minor namenode Akira Ajisaka Akira Ajisaka
YARN-5752 TestLocalResourcesTrackerImpl#testLocalResourceCache times out Major . Eric Badger Eric Badger
YARN-5710 Fix inconsistent naming in class ResourceRequest Trivial yarn Yufei Gu Yufei Gu
YARN-5686 DefaultContainerExecutor random working dir algorigthm skews results Minor . Miklos Szegedi Vrushali C
HDFS-10769 BlockIdManager.clear doesn’t reset the counter for blockGroupIdGenerator Minor hdfs Ewan Higgs Yiqun Lin
MAPREDUCE-6798 Fix intermittent failure of TestJobHistoryParsing.testJobHistoryMethods() Major jobhistoryserver Haibo Chen Haibo Chen
HDFS-8492 DN should notify NN when client requests a missing block Major . Daryn Sharp Walter Su
YARN-5757 RM REST API documentation is not up to date Trivial resourcemanager, yarn Miklos Szegedi Miklos Szegedi
MAPREDUCE-6541 Exclude scheduled reducer memory when calculating available mapper slots from headroom to avoid deadlock Major . Wangda Tan Varun Saxena
YARN-3848 TestNodeLabelContainerAllocation is not timing out Major test Jason Lowe Varun Saxena
YARN-5420 Delete org.apache.hadoop.yarn.server.resourcemanager.resource.Priority as its not necessary Minor resourcemanager Sunil G Sunil G
HADOOP-13201 Print the directory paths when ViewFs denies the rename operation on internal dirs Major viewfs Tianyin Xu Rakesh R
YARN-5172 Update yarn daemonlog documentation due to HADOOP-12847 Trivial documentation Wei-Chiu Chuang Wei-Chiu Chuang
YARN-4831 Recovered containers will be killed after NM stateful restart Major nodemanager Siqi Li Siqi Li
YARN-4388 Cleanup “mapreduce.job.hdfs-servers” from yarn-default.xml Minor yarn Junping Du Junping Du
YARN-5776 Checkstyle: MonitoringThread.Run method length is too long Trivial nodemanager Miklos Szegedi Miklos Szegedi
YARN-3432 Cluster metrics have wrong Total Memory when there is reserved memory on CS Major capacityscheduler, resourcemanager Thomas Graves Brahma Reddy Battula
HDFS-9500 datanodesSoftwareVersions map may counting wrong when rolling upgrade Major . Phil Yang Erik Krogen
MAPREDUCE-2631 Potential resource leaks in BinaryProtocol$TeeOutputStream.java Major . Ravi Teja Ch N V Sunil G
YARN-2306 Add test for leakage of reservation metrics in fair scheduler Minor fairscheduler Hong Zhiguo Hong Zhiguo
YARN-4743 FairSharePolicy breaks TimSort assumption Major fairscheduler Zephyr Guo Zephyr Guo
HADOOP-13763 KMS REST API Documentation Decrypt URL typo Minor documentation, kms Jeffrey E Rodriguez Jeffrey E Rodriguez
YARN-5794 Fix the asflicense warnings Major . Yiqun Lin Yiqun Lin
HADOOP-13770 Shell.checkIsBashSupported swallowed an interrupted exception Blocker util Wei-Chiu Chuang Wei-Chiu Chuang
YARN-5027 NM should clean up app log dirs after NM restart Major nodemanager sandflee sandflee
YARN-5767 Fix the order that resources are cleaned up from the local Public/Private caches Major . Chris Trezzo Chris Trezzo
HDFS-11061 Update dfs -count -t command line help and documentation Minor documentation, fs Wei-Chiu Chuang Yiqun Lin
YARN-5773 RM recovery too slow due to LeafQueue#activateApplication() Critical capacity scheduler, rolling upgrade Bibin A Chundatt Bibin A Chundatt
YARN-5793 Trim configuration values in DockerLinuxContainerRuntime Minor nodemanager Tianyin Xu Tianyin Xu
YARN-5800 Delete LinuxContainerExecutor comment from yarn-default.xml Trivial yarn Daniel Templeton Jan Hentschel
YARN-5809 AsyncDispatcher possibly invokes multiple shutdown thread when handling exception Major . Jian He Jian He
HADOOP-8500 Fix javadoc jars to not contain entire target directory Minor build EJ Ciramella Andrew Wang
HDFS-10455 Logging the username when deny the setOwner operation Minor namenode Tianyin Xu Rakesh R
YARN-5805 Add isDebugEnabled check for debug logs in nodemanager Minor . Bibin A Chundatt Bibin A Chundatt
YARN-5788 Apps not activiated and AM limit resource in UI and REST not updated after -replaceLabelsOnNode Major . Bibin A Chundatt Bibin A Chundatt
YARN-5001 Aggregated Logs root directory is created with wrong group if nonexistent Major log-aggregation, nodemanager, security Haibo Chen Haibo Chen
MAPREDUCE-6765 MR should not schedule container requests in cases where reducer or mapper containers demand resource larger than the maximum supported Minor mr-am Haibo Chen Haibo Chen
YARN-5815 Random failure of TestApplicationPriority.testOrderOfActivatingThePriorityApplicationOnRMRestart Major . Bibin A Chundatt Bibin A Chundatt
HDFS-11095 BlockManagerSafeMode should respect extension period default config value (30s) Minor namenode Mingliang Liu Mingliang Liu
YARN-4862 Handle duplicate completed containers in RMNodeImpl Major resourcemanager Rohith Sharma K S Rohith Sharma K S
HDFS-11097 Fix the jenkins warning related to the deprecated method StorageReceivedDeletedBlocks Major . Yiqun Lin Yiqun Lin
HADOOP-13787 Azure testGlobStatusThrowsExceptionForUnreadableDir fails Minor fs/azure John Zhuge John Zhuge
HDFS-11098 Datanode in tests cannot start in Windows after HDFS-10638 Blocker datanode Vinayakumar B Vinayakumar B
YARN-5837 NPE when getting node status of a decommissioned node after an RM restart Major . Robert Kanter Robert Kanter
HADOOP-13798 TestHadoopArchives times out Major test Akira Ajisaka Akira Ajisaka
HADOOP-13797 Remove hardcoded absolute path for ls Major util Christine Koppelt Christine Koppelt
HADOOP-13795 Skip testGlobStatusThrowsExceptionForUnreadableDir in TestFSMainOperationsSwift Major fs/swift, test John Zhuge John Zhuge
HADOOP-13803 Revert HADOOP-13081 add the ability to create multiple UGIs/subjects from one kerberos login Major security Andrew Wang Chris Nauroth
YARN-5847 Revert health check exit code check Major nodemanager Allen Wittenauer Allen Wittenauer
HADOOP-13804 MutableStat mean loses accuracy if add(long, long) is used Minor metrics Erik Krogen Erik Krogen
YARN-5377 Fix TestQueuingContainerManager.testKillMultipleOpportunisticContainers Major . Rohith Sharma K S Konstantinos Karanasos
MAPREDUCE-6782 JHS task page search based on each individual column not working Major jobhistoryserver Bibin A Chundatt Ajith S
HADOOP-13789 Hadoop Common includes generated test protos in both jar and test-jar Major build, common Sean Busbey Sean Busbey
YARN-5823 Update NMTokens in case of requests with only opportunistic containers Blocker . Konstantinos Karanasos Konstantinos Karanasos
HADOOP-13346 DelegationTokenAuthenticationHandler writes via closed writer Minor security Gregory Chanan Hrishikesh Gadre
YARN-5856 Unnecessary duplicate start container request sent to NM State store Major . Varun Saxena Varun Saxena
YARN-5862 TestDiskFailures.testLocalDirsFailures failed Major . Yufei Gu Yufei Gu
YARN-5453 FairScheduler#update may skip update demand resource of child queue/app if current demand reached maxResource Major fairscheduler sandflee sandflee
YARN-5843 Incorrect documentation for timeline service entityType/events REST end points Minor . Bibin A Chundatt Bibin A Chundatt
HDFS-9337 Validate required params for WebHDFS requests Major . Jagadesh Kiran N Jagadesh Kiran N
YARN-5834 TestNodeStatusUpdater.testNMRMConnectionConf compares nodemanager wait time to the incorrect value Trivial . Miklos Szegedi Chang Li
HDFS-11128 CreateEditsLog throws NullPointerException Major hdfs Hanisha Koneru Hanisha Koneru
YARN-5868 Update npm to latest version in Dockerfile to avoid random failures of npm while run maven build Major yarn-ui-v2 Sunil G Sunil G
YARN-5545 Fix issues related to Max App in capacity scheduler Major capacity scheduler Bibin A Chundatt Bibin A Chundatt
HDFS-11129 TestAppendSnapshotTruncate fails with bind exception Major test Brahma Reddy Battula Brahma Reddy Battula
HADOOP-13813 TestDelegationTokenFetcher#testDelegationTokenWithoutRenewer is failing Major security, test Mingliang Liu Mingliang Liu
HDFS-11135 The tests in TestBalancer run fails due to NPE Major test Yiqun Lin Yiqun Lin
HDFS-11056 Concurrent append and read operations lead to checksum error Major datanode, httpfs Wei-Chiu Chuang Wei-Chiu Chuang
MAPREDUCE-6797 Job history server scans can become blocked on a single, slow entry Critical jobhistoryserver Prabhu Joseph Prabhu Joseph
YARN-5874 RM -format-state-store and -remove-application-from-state-store commands fail with NPE Critical resourcemanager Varun Saxena Varun Saxena
YARN-5873 RM crashes with NPE if generic application history is enabled Critical resourcemanager Varun Saxena Varun Saxena
YARN-4355 NPE while processing localizer heartbeat Major nodemanager Jason Lowe Varun Saxena
YARN-4218 Metric for resource*time that was preempted Major resourcemanager Chang Li Chang Li
YARN-5875 TestTokenClientRMService#testTokenRenewalWrongUser fails Major . Varun Saxena Gergely Novák
HADOOP-13815 TestKMS#testDelegationTokensOpsSimple and TestKMS#testDelegationTokensOpsKerberized Fails in Trunk Major test Brahma Reddy Battula Xiao Chen
YARN-5765 Revert CHMOD on the new dirs created-LinuxContainerExecutor creates appcache and its subdirectories with wrong group owner. Blocker . Haibo Chen Naganarasimha G R
MAPREDUCE-6811 TestPipeApplication#testSubmitter fails after HADOOP-13802 Major test Brahma Reddy Battula Brahma Reddy Battula
YARN-5891 yarn rmadmin -help contains a misspelled ResourceManager Trivial resourcemanager Grant Sohn Grant Sohn
YARN-5836 Malicious AM can kill containers of other apps running in any node its containers are running Minor nodemanager Botong Huang Botong Huang
YARN-5870 Expose getApplications API in YarnClient with GetApplicationsRequest parameter Major client Gour Saha Jian He
HDFS-11134 Fix bind exception threw in TestRenameWhileOpen Major . Yiqun Lin Yiqun Lin
YARN-3538 TimelineServer doesn’t catch/translate all exceptions raised Minor timelineserver Steve Loughran Steve Loughran
YARN-5904 Reduce the number of default server threads for AMRMProxyService Minor nodemanager Subru Krishnan Subru Krishnan
YARN-5271 ATS client doesn’t work with Jersey 2 on the classpath Major client, timelineserver Steve Loughran Weiwei Yang
MAPREDUCE-6801 Fix flaky TestKill.testKillJob() Major mrv2 Haibo Chen Haibo Chen
HADOOP-13814 Sample configuration of KMS HTTP Authentication signature is misleading Minor conf, documentation, kms Masahiro Tanaka Masahiro Tanaka
HDFS-11144 TestFileCreationDelete#testFileCreationDeleteParent fails wind bind exception Major test Brahma Reddy Battula Brahma Reddy Battula
HDFS-11101 TestDFSShell#testMoveWithTargetPortEmpty fails intermittently Major test Brahma Reddy Battula Brahma Reddy Battula
YARN-5859 TestResourceLocalizationService#testParallelDownloadAttemptsForPublicResource sometimes fails Major test Jason Lowe Eric Badger
MAPREDUCE-6793 io.sort.factor code default and mapred-default.xml values inconsistent Trivial task Gera Shegalov Prabhu Joseph
HDFS-10966 Enhance Dispatcher logic on deciding when to give up a source DataNode Major balancer & mover Zhe Zhang Mark Wagner
HADOOP-13663 Index out of range in SysInfoWindows Major scripts Inigo Goiri Inigo Goiri
YARN-5911 DrainDispatcher does not drain all events on stop even if setDrainEventsOnStop is true Major . Varun Saxena Varun Saxena
YARN-5918 Handle Opportunistic scheduling allocate request failure when NM is lost Major . Bibin A Chundatt Bibin A Chundatt
HADOOP-13766 Fix a typo in the comments of RPC.getProtocolVersion Trivial common Ethan Li Ethan Li
YARN-5920 Fix deadlock in TestRMHA.testTransitionedToStandbyShouldNotHang Major test Rohith Sharma K S Varun Saxena
HADOOP-13833 TestSymlinkHdfsFileSystem#testCreateLinkUsingPartQualPath2 fails after HADOOP13605 Critical test Brahma Reddy Battula Brahma Reddy Battula
HDFS-11174 Wrong HttpFS test command in doc Minor documentation, httpfs John Zhuge John Zhuge
HADOOP-13820 Replace ugi.getUsername() with ugi.getShortUserName() in viewFS Minor viewfs Archana T Brahma Reddy Battula
YARN-5572 HBaseTimelineWriterImpl appears to reference a bad property name Major . Daniel Templeton Varun Saxena
HADOOP-13816 Ambiguous plugin version warning from maven build. Minor . Kai Sasaki Kai Sasaki
HADOOP-13838 KMSTokenRenewer should close providers Critical kms Xiao Chen Xiao Chen
YARN-5725 Test uncaught exception in TestContainersMonitorResourceChange.testContainersResourceChange when setting IP and host Minor nodemanager Miklos Szegedi Miklos Szegedi
YARN-5851 TestContainerManagerSecurity testContainerManager[1] failed Major nodemanager Haibo Chen Haibo Chen
MAPREDUCE-6565 Configuration to use host name in delegation token service is not read from job.xml during MapReduce job execution. Major . Chris Nauroth Li Lu
YARN-5942 “Overridden” is misspelled as “overriden” in FairScheduler.md Trivial site Daniel Templeton Heather Sutherland
HADOOP-13830 Intermittent failure of ITestS3NContractRootDir#testRecursiveRootListing: “Can not create a Path from an empty string” Minor fs/s3, test Steve Loughran Steve Loughran
HDFS-11132 Allow AccessControlException in contract tests when getFileStatus on subdirectory of existing files Major test Vishwajeet Dusane Vishwajeet Dusane
YARN-5915 ATS 1.5 FileSystemTimelineWriter causes flush() to be called after every event write Major timelineserver Atul Sikaria Atul Sikaria
MAPREDUCE-6815 Fix flaky TestKill.testKillTask() Major mrv2 Haibo Chen Haibo Chen
YARN-5901 Fix race condition in TestGetGroups beforeclass setup() Major yarn Haibo Chen Haibo Chen
YARN-5929 Missing scheduling policy in the FS queue metric. Major . Yufei Gu Yufei Gu
HDFS-11181 Fuse wrapper has a typo Trivial fuse-dfs Wei-Chiu Chuang Wei-Chiu Chuang
HADOOP-13847 KMSWebApp should close KeyProviderCryptoExtension Major kms Anthony Young-Garner John Zhuge
YARN-5559 Analyse 2.8.0/3.0.0 jdiff reports and fix any issues Blocker resourcemanager Wangda Tan Akira Ajisaka
HADOOP-13675 Bug in return value for delete() calls in WASB Major fs/azure Dushyanth Dushyanth
HADOOP-13864 KMS should not require truststore password Major kms, security Mike Yoder Mike Yoder
HADOOP-13861 Spelling errors in logging and exceptions for code Major common, fs, io, security Grant Sohn Grant Sohn
HDFS-11180 Intermittent deadlock in NameNode when failover happens. Blocker namenode Abhishek Modi Akira Ajisaka
HDFS-11198 NN UI should link DN web address using hostnames Critical . Kihwal Lee Weiwei Yang
MAPREDUCE-6571 JobEndNotification info logs are missing in AM container syslog Minor applicationmaster Prabhu Joseph Haibo Chen
MAPREDUCE-6816 Progress bars in Web UI always at 100% Blocker webapps Shen Yinjie Shen Yinjie
HADOOP-13859 TestConfigurationFieldsBase fails for fields that are DEFAULT values of skipped properties. Major common Haibo Chen Haibo Chen
YARN-5184 Fix up incompatible changes introduced on ContainerStatus and NodeReport Blocker api Karthik Kambatla Sangjin Lee
YARN-5932 Retrospect moveApplicationToQueue in align with YARN-5611 Major capacity scheduler, resourcemanager Sunil G Sunil G
YARN-5136 Error in handling event type APP_ATTEMPT_REMOVED to the scheduler Major . tangshangwen Wilfred Spiegelenburg
MAPREDUCE-6817 The format of job start time in JHS is different from those of submit and finish time Major jobhistoryserver Haibo Chen Haibo Chen
YARN-5963 Spelling errors in logging and exceptions for node manager, client, web-proxy, common, and app history code Trivial client, nodemanager Grant Sohn Grant Sohn
YARN-5921 Incorrect synchronization in RMContextImpl#setHAServiceState/getHAServiceState Major . Varun Saxena Varun Saxena
HDFS-11140 Directory Scanner should log startup message time correctly Minor . Xiao Chen Yiqun Lin
HDFS-11223 Fix typos in HttpFs documentations Trivial documentation Yiqun Lin Yiqun Lin
HADOOP-13867 FilterFileSystem should override rename(.., options) to take effect of Rename options called via FilterFileSystem implementations Major . Vinayakumar B Vinayakumar B
HDFS-11197 Listing encryption zones fails when deleting a EZ that is on a snapshotted directory Minor hdfs Wellington Chevreuil Wellington Chevreuil
HDFS-11224 Lifeline message should be ignored for dead nodes Critical . Vinayakumar B Vinayakumar B
YARN-4752 FairScheduler should preempt for a ResourceRequest and all preempted containers should be on the same node Major fairscheduler Karthik Kambatla Karthik Kambatla
HADOOP-13824 FsShell can suppress the real error if no error message is present Major fs Rob Vesse John Zhuge
MAPREDUCE-6820 Fix dead links in Job relevant classes Minor documentation Yiqun Lin Yiqun Lin
HDFS-8870 Lease is leaked on write failure Major hdfs-client Rushabh S Shah Kuhu Shukla
HADOOP-13565 KerberosAuthenticationHandler#authenticate should not rebuild SPN based on client request Major security Xiaoyu Yao Xiaoyu Yao
HDFS-11229 HDFS-11056 failed to close meta file Blocker datanode Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-11226 cacheadmin,cryptoadmin and storagepolicyadmin should support generic options Minor tools Archana T Brahma Reddy Battula
HDFS-11233 Fix javac warnings related to the deprecated APIs after upgrading Jackson Minor . Yiqun Lin Yiqun Lin
MAPREDUCE-6821 Fix javac warning related to the deprecated APIs after upgrading Jackson Minor . Yiqun Lin Yiqun Lin
HDFS-11164 Mover should avoid unnecessary retries if the block is pinned Major balancer & mover Rakesh R Rakesh R
HDFS-10684 WebHDFS DataNode calls fail without parameter createparent Blocker webhdfs Samuel Low John Zhuge
HDFS-11204 Document the missing options of hdfs zkfc command Minor documentation Yiqun Lin Yiqun Lin
HADOOP-13890 Maintain HTTP/host as SPNEGO SPN support and fix KerberosName parsing Major test Brahma Reddy Battula Xiaoyu Yao
YARN-5999 AMRMClientAsync will stop if any exceptions thrown on allocate call Major . Jian He Jian He
HADOOP-13831 Correct check for error code to detect Azure Storage Throttling and provide retries Major fs/azure Gaurav Kanade Gaurav Kanade
HADOOP-13508 FsPermission string constructor does not recognize sticky bit Major . Atul Sikaria Atul Sikaria
HDFS-11094 Send back HAState along with NamespaceInfo during a versionRequest as an optional parameter Major datanode Eric Badger Eric Badger
HDFS-11253 FileInputStream leak on failure path in BlockSender Major datanode Arpit Agarwal Arpit Agarwal
HDFS-9911 TestDataNodeLifeline Fails intermittently Major datanode Anu Engineer Yiqun Lin
HDFS-11160 VolumeScanner reports write-in-progress replicas as corrupt incorrectly Major datanode Wei-Chiu Chuang Wei-Chiu Chuang
HADOOP-13913 maven issuing pom.version being deprecation warnings Minor build Joe Pallas Steve Loughran
YARN-4330 MiniYARNCluster is showing multiple Failed to instantiate default resource calculator warning messages. Blocker test, yarn Steve Loughran Varun Saxena
YARN-5877 Allow all env’s from yarn.nodemanager.env-whitelist to get overridden during launch Major . Bibin A Chundatt Bibin A Chundatt
HDFS-11263 ClassCastException when we use Bzipcodec for Fsimage compression Critical . Brahma Reddy Battula Brahma Reddy Battula
HDFS-11195 Return error when appending files by webhdfs rest api fails Major . Yuanbo Liu Yuanbo Liu
HDFS-11247 Add a test to verify NameNodeMXBean#getDecomNodes() and Live/Dead Decom Nodes shown in NameNode WebUI Major . Manoj Govindassamy Manoj Govindassamy
HDFS-11261 Document missing NameNode metrics Minor documentation Yiqun Lin Yiqun Lin
YARN-5903 Fix race condition in TestResourceManagerAdministrationProtocolPBClientImpl beforeclass setup method Major yarn Haibo Chen Haibo Chen
YARN-5774 MR Job stuck in ACCEPTED status without any progress in Fair Scheduler if set yarn.scheduler.minimum-allocation-mb to 0. Blocker resourcemanager Yufei Gu Yufei Gu
HDFS-11258 File mtime change could not save to editlog Critical . Jimmy Xiang Jimmy Xiang
MAPREDUCE-6704 Update the documents to run MapReduce application Blocker documentation Bibin A Chundatt Bibin A Chundatt
YARN-6000 Make AllocationFileLoaderService.Listener public Major fairscheduler, yarn Tao Jie Tao Jie
HDFS-11271 Typo in NameNode UI Trivial namenode, ui Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-11250 Fix a typo in ReplicaUnderRecovery#setRecoveryID Trivial . Yiqun Lin Yiqun Lin
YARN-6026 A couple of spelling errors in the docs Trivial documentation Grant Sohn Grant Sohn
HADOOP-13940 Document the missing envvars commands Minor documentation Yiqun Lin Yiqun Lin
HADOOP-13943 TestCommonConfigurationFields#testCompareXmlAgainstConfigurationClass fails after HADOOP-13863 Major test Brahma Reddy Battula Brahma Reddy Battula
HDFS-11270 Document the missing options of NameNode bootstrap command Minor documentation Yiqun Lin Yiqun Lin
HADOOP-13932 Fix indefinite article in comments Minor . LiXin Ge LiXin Ge
YARN-5962 Spelling errors in logging and exceptions for resource manager code Trivial resourcemanager Grant Sohn Grant Sohn
YARN-5257 Fix unreleased resources and null dereferences Major . Yufei Gu Yufei Gu
HDFS-11252 TestFileTruncate#testTruncateWithDataNodesRestartImmediately can fail with BindException Major . Jason Lowe Yiqun Lin
YARN-6001 Improve moveApplicationQueues command line Major client Sunil G Sunil G
YARN-6024 Capacity Scheduler ‘continuous reservation looking’ doesn’t work when sum of queue’s used and reserved resources is equal to max Major . Wangda Tan Wangda Tan
YARN-4882 Change the log level to DEBUG for recovering completed applications Major resourcemanager Rohith Sharma K S Daniel Templeton
HDFS-11251 ConcurrentModificationException during DataNode#refreshVolumes Major . Jason Lowe Manoj Govindassamy
HDFS-11267 Avoid redefinition of storageDirs in NNStorage and cleanup its accessors in Storage Major . Manoj Govindassamy Manoj Govindassamy
MAPREDUCE-5155 Race condition in test case TestFetchFailure cause it to fail Minor test Nemon Lou Haibo Chen
HADOOP-13942 Build failure due to errors of javadoc build in hadoop-azure Major fs/azure Kai Sasaki Kai Sasaki
HADOOP-13883 Add description of -fs option in generic command usage Minor documentation Yiqun Lin Yiqun Lin
HADOOP-13922 Some modules have dependencies on hadoop-client jar removed by HADOOP-11804 Blocker build Joe Pallas Sean Busbey
HADOOP-12733 Remove references to obsolete io.seqfile configuration variables Minor . Ray Chiang Ray Chiang
YARN-5988 RM unable to start in secure setup Blocker . Ajith S Ajith S
HDFS-11280 Allow WebHDFS to reuse HTTP connections to NN Major hdfs Zheng Shao Zheng Shao
HADOOP-13896 Invoke assembly plugin after building jars Blocker build Allen Wittenauer Andrew Wang
HADOOP-13780 LICENSE/NOTICE are out of date for source artifacts Blocker common Sean Busbey Xiao Chen
MAPREDUCE-6715 Fix Several Unsafe Practices Major . Yufei Gu Yufei Gu
HDFS-11282 Document the missing metrics of DataNode Volume IO operations Minor documentation Yiqun Lin Yiqun Lin
MAPREDUCE-6711 JobImpl fails to handle preemption events on state COMMITTING Major . Li Lu Prabhu Joseph
YARN-6066 Opportunistic containers minor fixes: API annotations and config parameter changes Minor . Arun Suresh Arun Suresh
HADOOP-13958 Bump up release year to 2017 Blocker . Junping Du Junping Du
YARN-6068 Log aggregation get failed when NM restart even with recovery Blocker . Junping Du Junping Du
HDFS-11301 Double wrapping over RandomAccessFile in LocalReplicaInPipeline#createStreams Minor hdfs Hanisha Koneru Hanisha Koneru
YARN-6073 Misuse of format specifier in Preconditions.checkArgument Trivial . Yongjun Zhang Yuanbo Liu
YARN-5899 Debug log in AbstractCSQueue#canAssignToThisQueue needs improvement Trivial capacity scheduler Ying Zhang Ying Zhang
YARN-6054 TimelineServer fails to start when some LevelDb state files are missing. Major . Ravi Prakash Ravi Prakash
YARN-5937 stop-yarn.sh is not able to gracefully stop node managers Major . Weiwei Yang Weiwei Yang
YARN-6022 Revert changes of AbstractResourceRequest Blocker . Wangda Tan Wangda Tan
YARN-4148 When killing app, RM releases app’s resource before they are released by NM Major resourcemanager Jun Gong Jason Lowe
YARN-6079 simple spelling errors in yarn test code Trivial test Grant Sohn vijay
HADOOP-13903 Improvements to KMS logging to help debug authorization errors Minor kms Tristan Stevens Tristan Stevens
HDFS-9935 Remove LEASE_{SOFTLIMIT,HARDLIMIT}_PERIOD and unused import from HdfsServerConstants Minor . Yiqun Lin Yiqun Lin
YARN-5554 MoveApplicationAcrossQueues does not check user permission on the target queue Major resourcemanager Haibo Chen Wilfred Spiegelenburg
HDFS-11312 Fix incompatible tag number change for nonDfsUsed in DatanodeInfoProto Blocker . Sean Mackrory Sean Mackrory
HADOOP-13961 Fix compilation failure from missing hadoop-kms test jar Blocker build Karthik Kambatla Andrew Wang
YARN-6072 RM unable to start in secure mode Blocker resourcemanager Bibin A Chundatt Ajith S
YARN-6081 LeafQueue#getTotalPendingResourcesConsideringUserLimit should deduct reserved from pending to avoid unnecessary preemption of reserved container Critical . Wangda Tan Wangda Tan
HDFS-11344 The default value of the setting dfs.disk.balancer.block.tolerance.percent is different Trivial diskbalancer Yiqun Lin Yiqun Lin
HADOOP-13928 TestAdlFileContextMainOperationsLive.testGetFileContext1 runtime error Major fs/adl, test John Zhuge John Zhuge
HDFS-11342 Fix FileInputStream leak in loadLastPartialChunkChecksum Major datanode Arpit Agarwal Chen Liang
HDFS-11307 The rpc to portmap service for NFS has hardcoded timeout. Major . Jitendra Nath Pandey Mukul Kumar Singh
YARN-6057 yarn.scheduler.minimum-allocation-* descriptions are incorrect about behavior when a request is out of bounds Minor . Bibin A Chundatt Julia Sommer
HADOOP-13976 Path globbing does not match newlines Major . Eric Badger Eric Badger
HDFS-11209 SNN can’t checkpoint when rolling upgrade is not finalized Critical rolling upgrades Xiaoyu Yao Xiaoyu Yao
YARN-6016 Fix minor bugs in handling of local AMRMToken in AMRMProxy Minor federation Botong Huang Botong Huang
HDFS-10733 NameNode terminated after full GC thinking QJM is unresponsive. Major namenode, qjm Konstantin Shvachko Vinitha Reddy Gankidi
HDFS-10759 Change fsimage bool isStriped from boolean to an enum Major hdfs Ewan Higgs Ewan Higgs
HADOOP-13996 Fix some release build issues Blocker build Andrew Wang Andrew Wang
HADOOP-13965 Groups should be consistent in using default group mapping class Minor security Yiqun Lin Yiqun Lin
HDFS-11316 TestDataNodeVolumeFailure#testUnderReplicationAfterVolFailure fails in trunk Minor . Yiqun Lin Yiqun Lin
HDFS-11287 Storage class member storageDirs should be private to avoid unprotected access by derived classes Major . Manoj Govindassamy Manoj Govindassamy
HDFS-11268 Correctly reconstruct erasure coding file from FSImage Critical erasure-coding SammiChen SammiChen
HADOOP-14001 Improve delegation token validity checking Major . Akira Ajisaka Akira Ajisaka
YARN-6110 Fix opportunistic containers documentation Minor documentation Akira Ajisaka Akira Ajisaka
YARN-6104 RegistrySecurity overrides zookeeper sasl system properties Major . Billie Rinaldi Billie Rinaldi
HADOOP-14004 Missing hadoop-cloud-storage-project module in pom.xml Critical build Akira Ajisaka Akira Ajisaka

TESTS:

JIRA Summary Priority Component Reporter Contributor
YARN-5608 TestAMRMClient.setup() fails with ArrayOutOfBoundsException Major test Daniel Templeton Daniel Templeton
HDFS-10657 testAclCLI.xml setfacl test should expect mask r-x Minor . John Zhuge John Zhuge
YARN-5656 Fix ReservationACLsTestBase Major . Sean Po Sean Po
HDFS-9333 Some tests using MiniDFSCluster errored complaining port in use Minor test Kai Zheng Masatake Iwasaki
HADOOP-13686 Adding additional unit test for Trash (I) Major . Xiaoyu Yao Weiwei Yang
YARN-4555 TestDefaultContainerExecutor#testContainerLaunchError fails on non-english locale environment Minor nodemanager, test Takashi Ohnishi Takashi Ohnishi
YARN-4363 In TestFairScheduler, testcase should not create FairScheduler redundantly Trivial fairscheduler Tao Jie Tao Jie
YARN-3568 TestAMRMTokens should use some random port Major test Gera Shegalov Takashi Ohnishi
YARN-3460 TestSecureRMRegistryOperations fails with IBM_JAVA Major . pascal oliva pascal oliva
MAPREDUCE-6804 Add timeout when starting JobHistoryServer in MiniMRYarnCluster Minor test Andras Bokor Andras Bokor
MAPREDUCE-6743 nativetask unit tests need to provide usable output; fix link errors during mvn test Major nativetask Allen Wittenauer Allen Wittenauer
HDFS-11272 Refine the assert messages in TestFSDirAttrOp Minor test Akira Ajisaka Jimmy Xiang
HDFS-11278 Add missing @Test annotation for TestSafeMode.testSafeModeUtils() Trivial namenode Lukas Majercak Lukas Majercak
MAPREDUCE-6831 Flaky test TestJobImpl.testKilledDuringKillAbort Major mrv2 Peter Bacsko Peter Bacsko
HDFS-11290 TestFSNameSystemMBean should wait until JMX cache is cleared Major test Akira Ajisaka Erik Krogen

SUB-TASKS:

JIRA Summary Priority Component Reporter Contributor
YARN-4733 [YARN-3368] Initial commit of new YARN web UI Major . Wangda Tan Wangda Tan
YARN-4517 [YARN-3368] Add nodes page Major yarn Wangda Tan Varun Saxena
YARN-4514 [YARN-3368] Cleanup hardcoded configurations, such as RM/ATS addresses Major . Wangda Tan Sunil G
YARN-5019 [YARN-3368] Change urls in new YARN ui from camel casing to hyphens Major . Varun Vasudev Sunil G
YARN-5000 [YARN-3368] App attempt page is not loading when timeline server is not started Major . Sunil G Sunil G
YARN-5038 [YARN-3368] Application and Container pages shows wrong values when RM is stopped Major . Sunil G Sunil G
YARN-4515 [YARN-3368] Support hosting web UI framework inside YARN RM Major . Wangda Tan Sunil G
YARN-5183 [YARN-3368] Support for responsive navbar when window is resized Major . Kai Sasaki Kai Sasaki
YARN-5161 [YARN-3368] Add Apache Hadoop logo in YarnUI home page Major webapp Sunil G Kai Sasaki
YARN-5344 [YARN-3368] Generic UI improvements Major . Sreenath Somarajapuram Sreenath Somarajapuram
YARN-5345 [YARN-3368] Cluster overview page improvements Major . Sreenath Somarajapuram Sreenath Somarajapuram
YARN-5346 [YARN-3368] Queues page improvements Major . Sreenath Somarajapuram Sreenath Somarajapuram
YARN-5347 [YARN-3368] Applications page improvements Major . Sreenath Somarajapuram Sreenath Somarajapuram
YARN-5348 [YARN-3368] Node details page improvements Major . Sreenath Somarajapuram Sreenath Somarajapuram
YARN-5321 [YARN-3368] Add resource usage for application by node managers Major . Wangda Tan Wangda Tan
YARN-5322 [YARN-3368] Add a node heat chart map Major . Wangda Tan Wangda Tan
YARN-5334 [YARN-3368] Introduce REFRESH button in various UI pages Major webapp Sunil G Sreenath Somarajapuram
YARN-5509 Build error due to preparing 3.0.0-alpha2 deployment Major yarn Kai Sasaki Kai Sasaki
YARN-5488 Applications table overflows beyond the page boundary Major . Harish Jaiprakash Harish Jaiprakash
YARN-5504 [YARN-3368] Fix YARN UI build pom.xml Major . Sreenath Somarajapuram Sreenath Somarajapuram
HADOOP-13355 Handle HADOOP_CLIENT_OPTS in a function Major scripts Allen Wittenauer Allen Wittenauer
YARN-5583 [YARN-3368] Fix wrong paths in .gitignore Major . Sreenath Somarajapuram Sreenath Somarajapuram
HADOOP-13554 Add an equivalent of hadoop_subcmd_opts for secure opts Major scripts Allen Wittenauer Allen Wittenauer
YARN-5503 [YARN-3368] Add missing hidden files in webapp folder for deployment Major . Sreenath Somarajapuram Sreenath Somarajapuram
HADOOP-13562 Change hadoop_subcommand_opts to use only uppercase Major scripts Allen Wittenauer Allen Wittenauer
HADOOP-13358 Modify HDFS to use hadoop_subcommand_opts Major scripts Allen Wittenauer Allen Wittenauer
HADOOP-13356 Add a function to handle command_subcommand_OPTS Major scripts Allen Wittenauer Allen Wittenauer
HADOOP-13357 Modify common to use hadoop_subcommand_opts Major scripts Allen Wittenauer Allen Wittenauer
HADOOP-13359 Modify YARN to use hadoop_subcommand_opts Major scripts Allen Wittenauer Allen Wittenauer
HDFS-9392 Admins support for maintenance state Major . Ming Ma Ming Ma
HADOOP-13564 modify mapred to use hadoop_subcommand_opts Major scripts Allen Wittenauer Allen Wittenauer
HDFS-10813 DiskBalancer: Add the getNodeList method in Command Minor balancer & mover Yiqun Lin Yiqun Lin
HADOOP-13563 hadoop_subcommand_opts should print name not actual content during debug Major scripts Allen Wittenauer Allen Wittenauer
HADOOP-13360 Documentation for HADOOP_subcommand_OPTS Major scripts Allen Wittenauer Allen Wittenauer
YARN-5596 Fix failing unit test in TestDockerContainerRuntime Minor nodemanager, yarn Sidharta Seethana Sidharta Seethana
HADOOP-13547 Optimize IPC client protobuf decoding Major . Daryn Sharp Daryn Sharp
YARN-5264 Store all queue-specific information in FSQueue Major fairscheduler Yufei Gu Yufei Gu
YARN-5576 Allow resource localization while container is running Major . Jian He Jian He
HADOOP-13549 Eliminate intermediate buffer for server-side PB encoding Major ipc Daryn Sharp Daryn Sharp
HADOOP-13447 Refactor S3AFileSystem to support introduction of separate metadata repository and tests. Major fs/s3 Chris Nauroth Chris Nauroth
YARN-5598 [YARN-3368] Fix create-release to be able to generate bits for the new yarn-ui Major yarn, yarn-ui-v2 Wangda Tan Wangda Tan
HDFS-9847 HDFS configuration should accept time units Major . Yiqun Lin Yiqun Lin
HADOOP-13541 explicitly declare the Joda time version S3A depends on Minor build, fs/s3 Steve Loughran Steve Loughran
HDFS-8901 Use ByteBuffer in striping positional read Major erasure-coding Kai Zheng SammiChen
HDFS-10845 Change defaults in hdfs-site.xml to match timeunit type Minor datanode, namenode Yiqun Lin Yiqun Lin
HDFS-10553 DiskBalancer: Rename Tools/DiskBalancer class to Tools/DiskBalancerCLI Minor balancer & mover Anu Engineer Manoj Govindassamy
HDFS-9849 DiskBalancer : reduce lock path in shutdown code Major balancer & mover Anu Engineer Yuanbo Liu
YARN-5566 Client-side NM graceful decom is not triggered when jobs finish Major nodemanager Robert Kanter Robert Kanter
HADOOP-10940 RPC client does no bounds checking of responses Critical ipc Daryn Sharp Daryn Sharp
HADOOP-13540 improve section on troubleshooting s3a auth problems Minor documentation, fs/s3 Steve Loughran Steve Loughran
HDFS-10808 DiskBalancer does not execute multi-steps plan-redux Major balancer & mover Anu Engineer Anu Engineer
HDFS-10821 DiskBalancer: Report command support with multiple nodes Major balancer & mover Yiqun Lin Yiqun Lin
HDFS-10858 FBR processing may generate incorrect reportedBlock-blockGroup mapping Blocker erasure-coding Jing Zhao Jing Zhao
HDFS-10599 DiskBalancer: Execute CLI via Shell Major balancer & mover Anu Engineer Manoj Govindassamy
HADOOP-13546 Override equals and hashCode to avoid connection leakage Major ipc Xiaobing Zhou Xiaobing Zhou
HDFS-10562 DiskBalancer: update documentation on how to report issues and debug Minor balancer & mover Anu Engineer Anu Engineer
HDFS-10805 Reduce runtime for append test Minor test Gergely Novák Gergely Novák
YARN-5620 Core changes in NodeManager to support re-initialization of Containers with new launchContext Major . Arun Suresh Arun Suresh
HADOOP-13621 s3:// should have been fully cut off from trunk Major documentation, fs/s3 Mingliang Liu Mingliang Liu
YARN-5637 Changes in NodeManager to support Container rollback and commit Major . Arun Suresh Arun Suresh
YARN-3140 Improve locks in AbstractCSQueue/LeafQueue/ParentQueue Major resourcemanager, scheduler Wangda Tan Wangda Tan
YARN-3141 Improve locks in SchedulerApplicationAttempt/FSAppAttempt/FiCaSchedulerApp Major resourcemanager, scheduler Wangda Tan Wangda Tan
HDFS-10871 DiskBalancerWorkItem should not import jackson relocated by htrace Major hdfs-client Masatake Iwasaki Manoj Govindassamy
YARN-5609 Expose upgrade and restart API in ContainerManagementProtocol Major . Arun Suresh Arun Suresh
HDFS-9895 Remove unnecessary conf cache from DataNode Major datanode Xiaobing Zhou Xiaobing Zhou
HADOOP-13544 JDiff reports unncessarily show unannotated APIs and cause confusion while our javadocs only show annotated and public APIs Blocker . Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli
YARN-3142 Improve locks in AppSchedulingInfo Major resourcemanager, scheduler Wangda Tan Varun Saxena
HDFS-10900 DiskBalancer: Complete the documents for the report command Minor documentation Yiqun Lin Yiqun Lin
HDFS-9850 DiskBalancer : Explore removing references to FsVolumeSpi Major balancer & mover Anu Engineer Manoj Govindassamy
HDFS-10779 Rename does not need to re-solve destination Major hdfs Daryn Sharp Daryn Sharp
HDFS-10892 Add unit tests for HDFS command ‘dfs -tail’ and ‘dfs -stat’ Major fs, shell, test Mingliang Liu Mingliang Liu
HADOOP-13599 s3a close() to be non-synchronized, so avoid risk of deadlock on shutdown Major fs/s3 Steve Loughran Steve Loughran
YARN-4205 Add a service for monitoring application life time out Major scheduler nijel Rohith Sharma K S
YARN-5486 Update OpportunisticContainerAllocatorAMService::allocate method to handle OPPORTUNISTIC container requests Major resourcemanager Arun Suresh Konstantinos Karanasos
HADOOP-12974 Create a CachingGetSpaceUsed implementation that uses df Major . Elliott Clark Elliott Clark
HDFS-10851 FSDirStatAndListingOp: stop passing path as string Major hdfs Daryn Sharp Daryn Sharp
YARN-5384 Expose priority in ReservationSystem submission APIs Major capacity scheduler, fairscheduler, resourcemanager Sean Po Sean Po
HDFS-10619 Cache path in InodesInPath Major hdfs Daryn Sharp Daryn Sharp
HDFS-10934 TestDFSShell.testStat fails intermittently Major test Eric Badger Eric Badger
YARN-5682 [YARN-3368] Fix maven build to keep all generated or downloaded files in target folder Major . Wangda Tan Wangda Tan
HADOOP-13674 S3A can provide a more detailed error message when accessing a bucket through an incorrect S3 endpoint. Minor fs/s3 Chris Nauroth Chris Nauroth
HDFS-10956 Remove rename/delete performance penalty when not using snapshots Major hdfs Daryn Sharp Daryn Sharp
HDFS-10896 Move lock logging logic from FSNamesystem into FSNamesystemLock Major namenode Erik Krogen Erik Krogen
YARN-5702 Refactor TestPBImplRecords so that we can reuse for testing protocol records in other YARN modules Major . Subru Krishnan Subru Krishnan
YARN-3139 Improve locks in AbstractYarnScheduler/CapacityScheduler/FairScheduler Major resourcemanager, scheduler Wangda Tan Wangda Tan
HDFS-10893 Refactor TestDFSShell by setting up MiniDFSCluser once for all commands test Major test Mingliang Liu Mingliang Liu
HDFS-10955 Pass IIP for FSDirAttr methods Major hdfs Daryn Sharp Daryn Sharp
HDFS-10826 Correctly report missing EC blocks in FSCK Major erasure-coding Takanobu Asanuma Takanobu Asanuma
HADOOP-12977 s3a to handle delete(“/”, true) robustly Minor fs/s3 Steve Loughran Steve Loughran
HDFS-10939 Reduce performance penalty of encryption zones Major hdfs Daryn Sharp Daryn Sharp
HADOOP-13692 hadoop-aws should declare explicit dependency on Jackson 2 jars to prevent classpath conflicts. Minor fs/s3 Chris Nauroth Chris Nauroth
HDFS-10979 Pass IIP for FSDirDeleteOp methods Major hdfs Daryn Sharp Daryn Sharp
HADOOP-13627 Have an explicit KerberosAuthException for UGI to throw, text from public constants Major security Steve Loughran Xiao Chen
HDFS-10980 Optimize check for existence of parent directory Major hdfs Daryn Sharp Daryn Sharp
HDFS-10968 BlockManager#isInNewRack should consider decommissioning nodes Major erasure-coding, namenode Jing Zhao Jing Zhao
HDFS-10988 Refactor TestBalancerBandwidth Major balancer & mover, test Brahma Reddy Battula Brahma Reddy Battula
HDFS-10985 o.a.h.ha.TestZKFailoverController should not use fixed time sleep before assertions Minor ha, test Mingliang Liu Mingliang Liu
HDFS-10972 Add unit test for HDFS command ‘dfsadmin -getDatanodeInfo’ Major fs, shell, test Xiaobing Zhou Xiaobing Zhou
HDFS-10965 Add unit test for HDFS command ‘dfsadmin -printTopology’ Major fs, shell, test Xiaobing Zhou Xiaobing Zhou
YARN-5698 [YARN-3368] Launch new YARN UI under hadoop web app port Major . Sunil G Sunil G
HDFS-10949 DiskBalancer: deprecate TestDiskBalancer#setVolumeCapacity Minor balancer & mover Xiaobing Zhou Xiaobing Zhou
HADOOP-13417 Fix javac and checkstyle warnings in hadoop-auth package Major . Kai Sasaki Kai Sasaki
HDFS-10827 When there are unrecoverable ec block groups, Namenode Web UI shows “There are X missing blocks.” but doesn’t show the block names. Major erasure-coding Takanobu Asanuma Takanobu Asanuma
HDFS-11008 Change unit test for testing parsing “-source” parameter in Balancer CLI Major test Mingliang Liu Mingliang Liu
HDFS-10558 DiskBalancer: Print the full path to plan file Minor balancer & mover Anu Engineer Xiaobing Zhou
YARN-5699 Retrospect yarn entity fields which are publishing in events info fields. Major . Rohith Sharma K S Rohith Sharma K S
YARN-5145 [YARN-3368] Move new YARN UI configuration to HADOOP_CONF_DIR Major . Wangda Tan Sunil G
HDFS-11013 Correct typos in native erasure coding dump code Trivial erasure-coding, native László Bence Nagy László Bence Nagy
HDFS-10922 Adding additional unit tests for Trash (II) Major test Xiaoyu Yao Weiwei Yang
HDFS-9390 Block management for maintenance states Major . Ming Ma Ming Ma
HADOOP-13061 Refactor erasure coders Major . Rui Li Kai Sasaki
YARN-5741 [YARN-3368] Update UI2 documentation for new UI2 path Major . Kai Sasaki Kai Sasaki
HDFS-10906 Add unit tests for Trash with HDFS encryption zones Major encryption Xiaoyu Yao Hanisha Koneru
YARN-5561 [Atsv2] : Support for ability to retrieve apps/app-attempt/containers and entities via REST Major timelinereader Rohith Sharma K S Rohith Sharma K S
HADOOP-13735 ITestS3AFileContextStatistics.testStatistics() failing Minor fs/s3 Steve Loughran Pieter Reuse
HDFS-10976 Report erasure coding policy of EC files in Fsck Major namenode Wei-Chiu Chuang Wei-Chiu Chuang
HDFS-10998 Add unit tests for HDFS command ‘dfsadmin -fetchImage’ in HA Major test Xiaobing Zhou Xiaobing Zhou
YARN-4911 Bad placement policy in FairScheduler causes the RM to crash Major fairscheduler Ray Chiang Ray Chiang
YARN-5047 Refactor nodeUpdate across schedulers Major capacityscheduler, fairscheduler, scheduler Ray Chiang Ray Chiang
HDFS-8410 Add computation time metrics to datanode for ECWorker Major . Li Bo SammiChen
HDFS-10975 fsck -list-corruptfileblocks does not report corrupt EC files Major . Wei-Chiu Chuang Takanobu Asanuma
HADOOP-13727 S3A: Reduce high number of connections to EC2 Instance Metadata Service caused by InstanceProfileCredentialsProvider. Minor fs/s3 Rajesh Balamohan Chris Nauroth
HADOOP-12774 s3a should use UGI.getCurrentUser.getShortname() for username Major fs/s3 Steve Loughran Steve Loughran
HADOOP-13309 Document S3A known limitations in file ownership and permission model. Minor fs/s3 Chris Nauroth Chris Nauroth
HDFS-11011 Add unit tests for HDFS command ‘dfsadmin -set/clrSpaceQuota’ Major hdfs-client Xiaobing Zhou Xiaobing Zhou
HDFS-10638 Modifications to remove the assumption that StorageLocation is associated with java.io.File in Datanode. Major datanode, fs Virajith Jalaparti Virajith Jalaparti
HADOOP-11798 Native raw erasure coder in XOR codes Major io Kai Zheng SammiChen
HADOOP-13614 Purge some superfluous/obsolete S3 FS tests that are slowing test runs down Minor fs/s3, test Steve Loughran Steve Loughran
HDFS-11038 DiskBalancer: support running multiple commands in single test Major balancer & mover Xiaobing Zhou Xiaobing Zhou
YARN-5772 Replace old Hadoop logo with new one Major yarn-ui-v2 Akira Ajisaka Akhil PB
YARN-5500 ‘Master node’ link under application tab is broken Critical . Sumana Sathish Akhil PB
YARN-5497 Use different color for Undefined and Succeeded for Final State in applications page Trivial . Yesha Vora Akhil PB
YARN-5490 [YARN-3368] Fix various alignment issues and broken breadcrumb link in Node page Major . Sunil G Akhil PB
YARN-5779 [YARN-3368] Document limits/notes of the new YARN UI Major . Wangda Tan Wangda Tan
YARN-5785 [YARN-3368] Accessing applications and containers list from Node page is throwing few exceptions in console Major yarn-ui-v2 Sunil G Akhil PB
YARN-5799 Fix Opportunistic Allocation to set the correct value of Node Http Address Major resourcemanager Arun Suresh Arun Suresh
YARN-4765 Split TestHBaseTimelineStorage into multiple test classes Major timelineserver Varun Saxena Varun Saxena
YARN-5804 New UI2 is not able to launch with jetty 9 upgrade post HADOOP-10075 Major yarn-ui-v2 Sunil G Sunil G
HADOOP-13680 fs.s3a.readahead.range to use getLongBytes Major fs/s3 Steve Loughran Abhishek Modi
HDFS-11030 TestDataNodeVolumeFailure#testVolumeFailure is flaky (though passing) Major datanode, test Mingliang Liu Mingliang Liu
HDFS-10997 Reduce number of path resolving methods Major namenode Daryn Sharp Daryn Sharp
HDFS-10499 TestNameNodeMetadataConsistency#testGenerationStampInFuture Fails Intermittently Major namenode, test Hanisha Koneru Yiqun Lin
HDFS-10633 DiskBalancer : Add the description for the new setting dfs.disk.balancer.plan.threshold.percent in HDFSDiskbalancer.md Minor documentation Yiqun Lin Yiqun Lin
HDFS-11065 Add space quota tests for heterogenous storages Major hdfs Xiaobing Zhou Xiaobing Zhou
HDFS-11031 Add additional unit test for DataNode startup behavior when volumes fail Major datanode, test Mingliang Liu Mingliang Liu
HDFS-10566 Submit plan request should throw exception if Datanode is in non-REGULAR status. Major datanode Jitendra Nath Pandey Xiaobing Zhou
HDFS-11076 Add unit test for extended Acls Major test Chen Liang Chen Liang
YARN-2995 Enhance UI to show cluster resource utilization of various container Execution types Blocker resourcemanager Sriram Rao Konstantinos Karanasos
YARN-4849 [YARN-3368] cleanup code base, integrate web UI related build to mvn, and fix licenses. Major . Wangda Tan Wangda Tan
HDFS-11085 Add unit test for NameNode failing to start when name dir is unwritable Major namenode, test Mingliang Liu Xiaobing Zhou
YARN-5802 updateApplicationPriority api in scheduler should ensure to re-insert app to correct ordering policy Critical capacity scheduler Bibin A Chundatt Bibin A Chundatt
YARN-5716 Add global scheduler interface definition and update CapacityScheduler to use it. Major capacityscheduler Wangda Tan Wangda Tan
YARN-5833 Add validation to ensure default ports are unique in Configuration Major yarn Konstantinos Karanasos Konstantinos Karanasos
HDFS-11083 Add unit test for DFSAdmin -report command Major shell, test Mingliang Liu Xiaobing Zhou
YARN-4329 Allow fetching exact reason as to why a submitted app is in ACCEPTED state in Fair Scheduler Major fairscheduler, resourcemanager Naganarasimha G R Yufei Gu
YARN-4498 Application level node labels stats to be available in REST Major api, client, resourcemanager Bibin A Chundatt Bibin A Chundatt
YARN-5611 Provide an API to update lifetime of an application. Major resourcemanager Rohith Sharma K S Rohith Sharma K S
HDFS-11122 TestDFSAdmin#testReportCommand fails due to timed out Minor test Yiqun Lin Yiqun Lin
HDFS-11119 Support for parallel checking of StorageLocations on DataNode startup Major datanode Arpit Agarwal Arpit Agarwal
HDFS-10872 Add MutableRate metrics for FSNamesystemLock operations Major namenode Erik Krogen Erik Krogen
HDFS-11105 TestRBWBlockInvalidation#testRWRInvalidation fails intermittently Major namenode, test Yiqun Lin Yiqun Lin
HDFS-11114 Support for running async disk checks in DataNode Major datanode Arpit Agarwal Arpit Agarwal
HADOOP-13822 Use GlobalStorageStatistics.INSTANCE.reset() at FileSystem#clearStatistics() Major fs Brahma Reddy Battula Brahma Reddy Battula
HADOOP-11601 Enhance FS spec & tests to mandate FileStatus.getBlocksize() >0 for non-empty files Minor fs, test Steve Loughran Steve Loughran
HDFS-11113 Document dfs.client.read.striped configuration in hdfs-default.xml Minor documentation, hdfs-client Rakesh R Rakesh R
HDFS-11148 Update DataNode to use StorageLocationChecker at startup Major datanode Arpit Agarwal Arpit Agarwal
HADOOP-13655 document object store use with fs shell and distcp Major documentation, fs, fs/s3 Steve Loughran Steve Loughran
YARN-5865 Retrospect updateApplicationPriority api to handle state store exception in align with YARN-5611 Major . Sunil G Sunil G
HADOOP-13801 regression: ITestS3AMiniYarnCluster failing Major fs/s3 Steve Loughran Steve Loughran
HDFS-10368 Erasure Coding: Deprecate replication-related config keys Major erasure-coding Rakesh R Rakesh R
YARN-5649 Add REST endpoints for updating application timeouts Major scheduler Rohith Sharma K S Rohith Sharma K S
YARN-4206 Add Application timeouts in Application report and CLI Major scheduler nijel Rohith Sharma K S
HDFS-10994 Support an XOR policy XOR-2-1-64k in HDFS Major erasure-coding SammiChen SammiChen
HADOOP-13823 s3a rename: fail if dest file exists Blocker fs/s3 Steve Loughran Steve Loughran
HDFS-11149 Support for parallel checking of FsVolumes Major datanode Arpit Agarwal Arpit Agarwal
HDFS-8678 Bring back the feature to view chunks of files in the HDFS file browser Major ui Ravi Prakash Ravi Prakash
YARN-5761 Separate QueueManager from Scheduler Major capacityscheduler Xuan Gong Xuan Gong
HADOOP-13857 S3AUtils.translateException to map (wrapped) InterruptedExceptions to InterruptedIOEs Major fs/s3 Steve Loughran Steve Loughran
HADOOP-13855 Fix a couple of the s3a statistic names to be consistent with the rest Major fs/s3 Steve Loughran Steve Loughran
HADOOP-13257 Improve Azure Data Lake contract tests. Major fs/adl Chris Nauroth Vishwajeet Dusane
YARN-5746 The state of the parentQueue and its childQueues should be synchronized. Major capacity scheduler, resourcemanager Xuan Gong Xuan Gong
HDFS-11178 TestAddStripedBlockInFBR#testAddBlockInFullBlockReport fails frequently in trunk Major test Yiqun Lin Yiqun Lin
HDFS-11172 Support an erasure coding policy using RS 10 + 4 Major erasure-coding SammiChen Wei Zhou
YARN-5965 Retrospect ApplicationReport#getApplicationTimeouts Major scheduler Jian He Rohith Sharma K S
YARN-5922 Remove direct references of HBaseTimelineWriter/Reader in core ATS classes Major yarn Haibo Chen Haibo Chen
HDFS-8630 WebHDFS : Support get/set/unset StoragePolicy Major webhdfs nijel Surendra Singh Lilhore
YARN-5925 Extract hbase-backend-exclusive utility methods from TimelineStorageUtil Major yarn Haibo Chen Haibo Chen
YARN-5982 Simplify opportunistic container parameters and metrics Major . Konstantinos Karanasos Konstantinos Karanasos
YARN-5970 Validate application update timeout request parameters Major scheduler Rohith Sharma K S Rohith Sharma K S
HADOOP-13871 ITestS3AInputStreamPerformance.testTimeToOpenAndReadWholeFileBlocks performance awful Major fs/s3 Steve Loughran Steve Loughran
YARN-2009 CapacityScheduler: Add intra-queue preemption for app priority support Major capacityscheduler Devaraj K Sunil G
HDFS-8411 Add bytes count metrics to datanode for ECWorker Major . Li Bo SammiChen
HADOOP-11804 Shaded Hadoop client artifacts and minicluster Major build Sean Busbey Sean Busbey
HDFS-11188 Change min supported DN and NN versions back to 2.x Critical rolling upgrades Andrew Wang Andrew Wang
YARN-5524 Yarn live log aggregation does not throw if command line arg is wrong Major log-aggregation Prasanth Jayachandran Xuan Gong
YARN-5650 Render Application Timeout value in web UI Major scheduler Rohith Sharma K S Akhil PB
HDFS-11182 Update DataNode to use DatasetVolumeChecker Major datanode Arpit Agarwal Arpit Agarwal
YARN-5976 Update hbase version to 1.2 (removes phoenix dependencies) Major . Vrushali C Vrushali C
YARN-4990 Re-direction of a particular log file within in a container in NM UI does not redirect properly to Log Server ( history ) on container completion Major . Hitesh Shah Xuan Gong
YARN-5706 Fail to launch SLSRunner due to NPE Major scheduler-load-simulator Kai Sasaki Kai Sasaki
YARN-5938 Refactoring OpportunisticContainerAllocator to use SchedulerRequestKey instead of Priority and other misc fixes Major . Arun Suresh Arun Suresh
YARN-5756 Add state-machine implementation for scheduler queues Major . Xuan Gong Xuan Gong
YARN-5931 Document timeout interfaces CLI and REST APIs Major scheduler Rohith Sharma K S Rohith Sharma K S
YARN-5529 Create new DiskValidator class with metrics Major nodemanager Ray Chiang Yufei Gu
YARN-6025 Fix synchronization issues of AbstractYarnScheduler#nodeUpdate and its implementations Major capacity scheduler, scheduler Naganarasimha G R Naganarasimha G R
YARN-5923 Unable to access logs for a running application if YARN_ACL_ENABLE is enabled Major . Xuan Gong Xuan Gong
YARN-4899 Queue metrics of SLS capacity scheduler only activated after app submit to the queue Major capacity scheduler Wangda Tan Jonathan Hung
YARN-5959 RM changes to support change of container ExecutionType Major . Arun Suresh Arun Suresh
YARN-5906 Update AppSchedulingInfo to use SchedulingPlacementSet Major . Wangda Tan Wangda Tan
YARN-6040 Introduce api independent PendingAsk to replace usage of ResourceRequest within Scheduler classes Major . Wangda Tan Wangda Tan
YARN-6009 RM fails to start during an upgrade - Failed to load/recover state (YarnException: Invalid application timeout, value=0 for type=LIFETIME) Critical resourcemanager Gour Saha Rohith Sharma K S
YARN-6074 FlowRunEntity does not deserialize long values correctly Major timelinereader Rohith Sharma K S Rohith Sharma K S
YARN-3955 Support for application priority ACLs in queues of CapacityScheduler Major capacityscheduler Sunil G Sunil G
HDFS-11072 Add ability to unset and change directory EC policy Major erasure-coding Andrew Wang SammiChen
HDFS-9391 Update webUI/JMX to display maintenance state info Major . Ming Ma Manoj Govindassamy
YARN-5416 TestRMRestart#testRMRestartWaitForPreviousAMToFinish failed intermittently due to not wait SchedulerApplicationAttempt to be stopped Minor test, yarn Junping Du Junping Du
HADOOP-13336 S3A to support per-bucket configuration Major fs/s3 Steve Loughran Steve Loughran
YARN-6011 Add a new web service to list the files on a container in AHSWebService Major . Xuan Gong Xuan Gong
YARN-5556 CapacityScheduler: Support deleting queues without requiring a RM restart Major capacity scheduler Xuan Gong Naganarasimha G R
HDFS-11259 Update fsck to display maintenance state info Major datanode, namenode Manoj Govindassamy Manoj Govindassamy
YARN-5831 Propagate allowPreemptionFrom flag all the way down to the app Major fairscheduler Karthik Kambatla Yufei Gu
YARN-5928 Move ATSv2 HBase backend code into a new module that is only dependent at runtime by yarn servers Major yarn Haibo Chen Haibo Chen

OTHER:

JIRA Summary Priority Component Reporter Contributor
HDFS-10861 Refactor StripeReaders and use ECChunk version decode API Major . SammiChen SammiChen
MAPREDUCE-6780 Add support for striping files in benchmarking of TeraGen and TeraSort Major . SammiChen SammiChen
HDFS-10895 Update HDFS Erasure Coding doc to add how to use ISA-L based coder Major . SammiChen SammiChen
HDFS-10984 Expose nntop output as metrics Major namenode Siddharth Wagle Siddharth Wagle
YARN-5717 Add tests for container-executor’s is_feature_enabled function Major yarn Sidharta Seethana Sidharta Seethana
YARN-5704 Provide config knobs to control enabling/disabling new/work in progress features in container-executor Major yarn Sidharta Seethana Sidharta Seethana
HDFS-11033 Add documents for native raw erasure coder in XOR codes Major documentation, erasure-coding SammiChen SammiChen
YARN-5308 FairScheduler: Move continuous scheduling related tests to TestContinuousScheduling Major fairscheduler, test Karthik Kambatla Kai Sasaki
YARN-5822 Log ContainerRuntime initialization error in LinuxContainerExecutor Trivial nodemanager Sidharta Seethana Sidharta Seethana
HDFS-11145 Implement getTrashRoot() for ViewFileSystem Major . Manoj Govindassamy Manoj Govindassamy
HDFS-11058 Implement ‘hadoop fs -df’ command for ViewFileSystem Major . Manoj Govindassamy Manoj Govindassamy
HADOOP-13828 Implement getFileChecksum(path, length) for ViewFileSystem Major viewfs Manoj Govindassamy Manoj Govindassamy
YARN-4395 Typo in comment in ClientServiceDelegate Trivial . Daniel Templeton Alison Yu
MAPREDUCE-6810 hadoop-mapreduce-client-nativetask compilation broken on GCC-6.2.1 Major . Ravi Prakash Ravi Prakash
HADOOP-13840 Implement getUsed() for ViewFileSystem Major viewfs Manoj Govindassamy Manoj Govindassamy
HADOOP-13835 Move Google Test Framework code from mapreduce to hadoop-common Major test Varun Vasudev Varun Vasudev
HDFS-11216 Add remoteBytesRead counter metrics for erasure coding reconstruction task Major . SammiChen SammiChen
YARN-5719 Enforce a C standard for native container-executor Major nodemanager Chris Douglas Chris Douglas
HADOOP-13885 Implement getLinkTarget for ViewFileSystem Major viewfs Manoj Govindassamy Manoj Govindassamy
YARN-5646 Add documentation and update config parameter names for scheduling of OPPORTUNISTIC containers Blocker . Konstantinos Karanasos Konstantinos Karanasos