Apache Hadoop Changelog

Release 2.7.1 - 2015-07-06


JIRA Summary Priority Component Reporter Contributor
HDFS-8226 Non-HA rollback compatibility broken Blocker . J.Andreina J.Andreina


JIRA Summary Priority Component Reporter Contributor
HDFS-7546 Document, and set an accepting default for dfs.namenode.kerberos.principal.pattern Minor security Harsh J Harsh J
YARN-3469 ZKRMStateStore: Avoid setting watches that are not required Minor . Jun Gong Jun Gong
HDFS-8204 Mover/Balancer should not schedule two replicas to the same DN Minor balancer & mover Walter Su Walter Su
HDFS-7770 Need document for storage type label of data node storage locations under dfs.datanode.data.dir Major documentation Xiaoyu Yao Xiaoyu Yao
YARN-3539 Compatibility doc to state that ATS v1 is a stable REST API Major documentation Steve Loughran Steve Loughran
YARN-3489 RMServerUtils.validateResourceRequests should only obtain queue info once Major resourcemanager Jason Lowe Varun Saxena
HDFS-8521 Add @VisibleForTesting annotation to {{BlockPoolSlice#selectReplicaToDelete}} Trivial . Colin P. McCabe Colin P. McCabe
HDFS-8361 Choose SSD over DISK in block placement Major namenode Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze


JIRA Summary Priority Component Reporter Contributor
YARN-3243 CapacityScheduler should pass headroom from parent to children to make sure ParentQueue obey its capacity limits. Major capacityscheduler, resourcemanager Wangda Tan Wangda Tan
YARN-3351 AppMaster tracking URL is broken in HA Major webapp Anubhav Dhoot Anubhav Dhoot
HDFS-5215 dfs.datanode.du.reserved is not considered while computing available space Major datanode Brahma Reddy Battula Brahma Reddy Battula
YARN-3457 NPE when NodeManager.serviceInit fails and stopRecoveryStore called Minor nodemanager Bibin A Chundatt Bibin A Chundatt
YARN-3465 Use LinkedHashMap to preserve order of resource requests Major nodemanager zhihai xu zhihai xu
HDFS-8091 ACLStatus and XAttributes not properly presented to INodeAttributesProvider before returning to client Major namenode Arun Suresh Arun Suresh
HDFS-8081 Split getAdditionalBlock() into two methods. Major . Konstantin Shvachko Konstantin Shvachko
YARN-3466 Fix RM nodes web page to sort by node HTTP-address, #containers and node-label column Major resourcemanager, webapp Jason Lowe Jason Lowe
HDFS-7931 DistributedFIleSystem should not look for keyProvider in cache if Encryption is disabled Minor hdfs-client Arun Suresh Arun Suresh
YARN-3382 Some of UserMetricsInfo metrics are incorrectly set to root queue metrics Major webapp Rohit Agarwal Rohit Agarwal
YARN-3472 Possible leak in DelegationTokenRenewer#allTokens Major . Jian He Rohith Sharma K S
HDFS-8127 NameNode Failover during HA upgrade can cause DataNode to finalize upgrade Blocker ha Jing Zhao Jing Zhao
YARN-3462 Patches applied for YARN-2424 are inconsistent between trunk and branch-2 Major . Sidharta Seethana Naganarasimha G R
HDFS-8151 Always use snapshot path as source when invalid snapshot names are used for diff based distcp Minor distcp Sushmitha Sreenivasan Jing Zhao
HDFS-7934 Update RollingUpgrade rollback documentation: should use bootstrapstandby for standby NN Critical documentation J.Andreina J.Andreina
HDFS-8149 The footer of the Web UI “Hadoop, 2014” is old Major . Akira Ajisaka Brahma Reddy Battula
MAPREDUCE-6300 Task list sort by task id broken Minor . Siqi Li Siqi Li
HDFS-8153 Error Message points to wrong parent directory in case of path component name length error Major namenode Anu Engineer Anu Engineer
YARN-3493 RM fails to come up with error “Failed to load/recover state” when mem settings are changed Critical yarn Sumana Sathish Jian He
YARN-3497 ContainerManagementProtocolProxy modifies IPC timeout conf without making a copy Major client Jason Lowe Jason Lowe
MAPREDUCE-6238 MR2 can’t run local jobs with -libjars command options which is a regression from MR1 Critical mrv2 zhihai xu zhihai xu
HDFS-8179 DFSClient#getServerDefaults returns null within 1 hour of system start Blocker . Xiaoyu Yao Xiaoyu Yao
HDFS-8163 Using monotonicNow for block report scheduling causes test failures on recently restarted systems Blocker datanode Arpit Agarwal Arpit Agarwal
HADOOP-11868 Invalid user logins trigger large backtraces in server log Major . Chang Li Chang Li
YARN-3522 DistributedShell uses the wrong user to put timeline data Blocker timelineserver Zhijie Shen Zhijie Shen
HDFS-8147 Mover should not schedule two replicas to the same DN storage Major balancer & mover Surendra Singh Lilhore Surendra Singh Lilhore
HADOOP-11872 “hadoop dfs” command prints message about using “yarn jar” on Windows(branch-2 only) Minor scripts Varun Vasudev Varun Vasudev
HADOOP-11730 Regression: s3n read failure recovery broken Major fs/s3 Takenori Sato Takenori Sato
YARN-3516 killing ContainerLocalizer action doesn’t take effect when private localizer receives FETCH_FAILURE status. Minor nodemanager zhihai xu zhihai xu
HADOOP-11802 DomainSocketWatcher thread terminates sometimes after there is an I/O error during requestShortCircuitShm Major . Eric Payne Colin P. McCabe
HDFS-8070 Pre-HDFS-7915 DFSClient cannot use short circuit on post-HDFS-7915 DataNode Blocker caching Gopal V Colin P. McCabe
YARN-3537 NPE when NodeManager.serviceInit fails and stopRecoveryStore invoked Major nodemanager Brahma Reddy Battula Brahma Reddy Battula
YARN-3464 Race condition in LocalizerRunner kills localizer before localizing all resources Critical nodemanager zhihai xu zhihai xu
MAPREDUCE-6252 JobHistoryServer should not fail when encountering a missing directory Major jobhistoryserver Craig Welch Craig Welch
MAPREDUCE-6324 Uber jobs fail to update AMRM token when it rolls over Blocker mr-am Jason Lowe Jason Lowe
MAPREDUCE-6334 Fetcher#copyMapOutput is leaking usedMemory upon IOException during InMemoryMapOutput shuffle handler Blocker . Eric Payne Eric Payne
HDFS-8273 FSNamesystem#Delete() should not call logSync() when holding the lock Blocker namenode Jing Zhao Haohui Mai
YARN-3485 FairScheduler headroom calculation doesn’t consider maxResources for Fifo and FairShare policies Critical fairscheduler Karthik Kambatla Karthik Kambatla
HDFS-8269 getBlockLocations() does not resolve the .reserved path and generates incorrect edit logs when updating the atime Blocker . Yesha Vora Haohui Mai
MAPREDUCE-6339 Job history file is not flushed correctly because isTimerActive flag is not set true when flushTimerTask is scheduled. Critical mrv2 zhihai xu zhihai xu
HADOOP-11891 OsSecureRandom should lazily fill its reservoir Major security Arun Suresh Arun Suresh
HDFS-8213 DFSClient should use hdfs.client.htrace HTrace configuration prefix rather than hadoop.htrace Critical . Billie Rinaldi Colin P. McCabe
HADOOP-9658 SnappyCodec#checkNativeCodeLoaded may unexpectedly fail when native code is not loaded Major . Zhijie Shen Zhijie Shen
MAPREDUCE-6259 IllegalArgumentException due to missing job submit time Major jobhistoryserver zhihai xu zhihai xu
HDFS-8305 HDFS INotify: the destination field of RenameOp should always end with the file name Major . Colin P. McCabe Colin P. McCabe
YARN-3385 Race condition: KeeperException$NoNodeException will cause RM shutdown during ZK node deletion. Critical resourcemanager zhihai xu zhihai xu
HDFS-7980 Incremental BlockReport will dramatically slow down the startup of a namenode Major . Hui Zheng Walter Su
YARN-3358 Audit log not present while refreshing Service ACLs Minor resourcemanager Varun Saxena Varun Saxena
YARN-3554 Default value for maximum nodemanager connect wait time is too high Major . Jason Lowe Naganarasimha G R
HDFS-7894 Rolling upgrade readiness is not updated in jmx until query command is issued. Critical . Kihwal Lee Brahma Reddy Battula
HDFS-8245 Standby namenode doesn’t process DELETED_BLOCK if the add block request is in edit log. Major . Rushabh S Shah Rushabh S Shah
YARN-3476 Nodemanager can fail to delete local logs if log aggregation fails Major log-aggregation, nodemanager Jason Lowe Rohith Sharma K S
HADOOP-11663 Remove description about Java 6 from docs Minor documentation Masatake Iwasaki Masatake Iwasaki
HDFS-7916 ‘reportBadBlocks’ from datanodes to standby Node BPServiceActor goes for infinite loop Critical datanode Vinayakumar B Rushabh S Shah
YARN-3434 Interaction between reservations and userlimit can result in significant ULF violation Major capacityscheduler Thomas Graves Thomas Graves
MAPREDUCE-6361 NPE issue in shuffle caused by concurrent issue between copySucceeded() in one thread and copyFailed() in another thread on the same host Critical . Junping Du Junping Du
MAPREDUCE-6251 JobClient needs additional retries at a higher level to address not-immediately-consistent dfs corner cases Major jobhistoryserver, mrv2 Craig Welch Craig Welch
HDFS-6300 Prevent multiple balancers from running simultaneously Critical balancer & mover Rakesh R Rakesh R
HADOOP-11966 Variable cygwin is undefined in hadoop-config.sh when executed through hadoop-daemon.sh. Critical scripts Chris Nauroth Chris Nauroth
YARN-3526 ApplicationMaster tracking URL is incorrectly redirected on a QJM cluster Major resourcemanager, webapp Weiwei Yang Weiwei Yang
HDFS-8405 Fix a typo in NamenodeFsck Minor namenode Tsz Wo Nicholas Sze Takanobu Asanuma
YARN-3601 Fix UT TestRMFailover.testRMWebAppRedirect Critical resourcemanager, webapp Weiwei Yang Weiwei Yang
HDFS-8404 Pending block replication can get stuck using older genstamp Major namenode Nathan Roberts Nathan Roberts
HADOOP-11973 Ensure ZkDelegationTokenSecretManager namespace znodes get created with ACLs Major security Gregory Chanan Gregory Chanan
YARN-3677 Fix findbugs warnings in yarn-server-resourcemanager Minor resourcemanager Akira Ajisaka Vinod Kumar Vavilapalli
YARN-3681 yarn cmd says “could not find main class ‘queue’” in windows Blocker yarn Sumana Sathish Varun Saxena
YARN-3694 Fix dead link for TimelineServer REST API Minor documentation Akira Ajisaka Jagadesh Kiran N
YARN-3646 Applications are getting stuck some times in case of retry policy forever Major client Raju Bairishetti Raju Bairishetti
HDFS-8451 DFSClient probe for encryption testing interprets empty URI property for “enabled” Blocker encryption Steve Loughran Steve Loughran
YARN-3675 FairScheduler: RM quits when node removal races with continousscheduling on the same node Critical fairscheduler Anubhav Dhoot Anubhav Dhoot
YARN-3701 Isolating the error of generating a single app report when getting all apps from generic history service Blocker timelineserver Zhijie Shen Zhijie Shen
YARN-2238 filtering on UI sticks even if I move away from the page Major webapp Sangjin Lee Jian He
YARN-3626 On Windows localized resources are not moved to the front of the classpath when they should be Major yarn Craig Welch Craig Welch
YARN-3723 Need to clearly document primaryFilter and otherInfo value type Critical timelineserver Zhijie Shen Zhijie Shen
HADOOP-11934 Use of JavaKeyStoreProvider in LdapGroupsMapping causes infinite loop Blocker security Mike Yoder Larry McCay
YARN-3725 App submission via REST API is broken in secure mode due to Timeline DT service address is empty Blocker resourcemanager, timelineserver Zhijie Shen Zhijie Shen
YARN-3753 RM failed to come up with “java.io.IOException: Wait for ZKClient creation timed out” Critical yarn Sumana Sathish Jian He
HDFS-8486 DN startup may cause severe data loss Blocker datanode Daryn Sharp Daryn Sharp
HDFS-8270 create() always retried with hardcoded timeout when file already exists with open lease Major hdfs-client Andrey Stepachev J.Andreina
HDFS-8523 Remove usage information on unsupported operation “fsck -showprogress” from branch-2 Major documentation J.Andreina J.Andreina
YARN-3585 NodeManager cannot exit on SHUTDOWN event triggered and NM recovery is enabled Critical . Peng Zhang Rohith Sharma K S
HADOOP-12058 Fix dead links to DistCp and Hadoop Archives pages. Minor documentation, site Kazuho Fujii Kazuho Fujii
YARN-3764 CapacityScheduler should forbid moving LeafQueue from one parent to another Blocker . Wangda Tan Wangda Tan
YARN-3733 Fix DominantRC#compare() does not work as expected if cluster resource is empty Blocker resourcemanager Bibin A Chundatt Rohith Sharma K S
MAPREDUCE-6387 Serialize the recently added Task#encryptedSpillKey field at the end Minor . Arun Suresh Arun Suresh
HDFS-8522 Change heavily recorded NN logs from INFO to DEBUG level Major namenode Xiaoyu Yao Xiaoyu Yao
HDFS-8566 HDFS documentation about debug commands wrongly identifies them as “hdfs dfs” commands Major documentation Surendra Singh Lilhore Surendra Singh Lilhore
HDFS-8583 Document that NFS gateway does not work with rpcbind on SLES 11 Major documentation Arpit Agarwal Arpit Agarwal
HDFS-8572 DN always uses HTTP/localhost@REALM principals in SPNEGO Blocker . Haohui Mai Haohui Mai
HDFS-8596 TestDistributedFileSystem et al tests are broken in branch-2 due to incorrect setting of “datanode” attribute Blocker datanode Yongjun Zhang Yongjun Zhang
HDFS-8595 TestCommitBlockSynchronization fails in branch-2.7 Major test Arpit Agarwal Arpit Agarwal
HDFS-8600 TestWebHdfsFileSystemContract.testGetFileBlockLocations fails in branch-2.7 Major webhdfs Arpit Agarwal Arpit Agarwal
HADOOP-12078 The default retry policy does not handle RetriableException correctly Critical ipc Arpit Agarwal Arpit Agarwal
HDFS-8576 Lease recovery should return true if the lease can be released and the file can be closed Major namenode J.Andreina J.Andreina
HDFS-8544 Incorrect port specified in HFTP Guide document in branch-2 Major documentation Brahma Reddy Battula Brahma Reddy Battula
HDFS-4660 Block corruption can happen during pipeline recovery Blocker datanode Peng Zhang Kihwal Lee
YARN-3804 Both RM are on standBy state when kerberos user not in yarn.admin.acl Critical resourcemanager Bibin A Chundatt Varun Saxena
HADOOP-12100 ImmutableFsPermission should not override applyUmask since that method doesn’t modify the FsPermission Major . Robert Kanter Bibin A Chundatt
HDFS-8633 Fix setting of dfs.datanode.readahead.bytes in hdfs-default.xml to match DFSConfigKeys Minor datanode Ray Chiang Ray Chiang
HDFS-8626 Reserved RBW space is not released if creation of RBW File fails Blocker . Kanaka Kumar Avvaru Kanaka Kumar Avvaru
HADOOP-12103 Small refactoring of DelegationTokenAuthenticationFilter to allow code sharing Minor security Yongjun Zhang Yongjun Zhang
HDFS-8480 Fix performance and timeout issues in HDFS-7929 by using hard-links to preserve old edit logs instead of copying them Critical . Zhe Zhang Zhe Zhang
YARN-3842 NMProxy should retry on NMNotYetReadyException Critical . Karthik Kambatla Robert Kanter
MAPREDUCE-6410 Aggregated Logs Deletion doesnt work after refreshing Log Retention Settings in secure cluster Critical . Zhang Wei Varun Saxena
YARN-3809 Failed to launch new attempts because ApplicationMasterLauncher’s threads all hang Major resourcemanager Jun Gong Jun Gong
YARN-3832 Resource Localization fails on a cluster due to existing cache directories Critical nodemanager Ranga Swamy Brahma Reddy Battula
YARN-3850 NM fails to read files from full disks which can lead to container logs being lost and other issues Blocker log-aggregation, nodemanager Varun Saxena Varun Saxena
HDFS-8681 BlockScanner is incorrectly disabled by default Blocker datanode Andrew Wang Arpit Agarwal


JIRA Summary Priority Component Reporter Contributor
YARN-3487 CapacityScheduler scheduler lock obtained unnecessarily when calling getQueue Critical capacityscheduler Jason Lowe Jason Lowe
YARN-2605 [RM HA] Rest api endpoints doing redirect incorrectly Major resourcemanager bc Wong Xuan Gong
YARN-3544 AM logs link missing in the RM UI for a completed app Blocker . Hitesh Shah Xuan Gong
YARN-3006 Improve the error message when attempting manual failover with auto-failover enabled Minor . Akira Ajisaka Akira Ajisaka
YARN-3301 Fix the format issue of the new RM web UI and AHS web UI after YARN-3272 / YARN-3262 Major resourcemanager Xuan Gong Xuan Gong
YARN-2918 Don’t fail RM if queue’s configured labels are not existed in cluster-node-labels Major resourcemanager Rohith Sharma K S Wangda Tan
YARN-3609 Move load labels from storage from serviceInit to serviceStart to make it works with RM HA case. Major resourcemanager Wangda Tan Wangda Tan
YARN-3686 CapacityScheduler should trim default_node_label_expression Critical api, client, resourcemanager Wangda Tan Sunil Govindan
YARN-2900 Application (Attempt and Container) Not Found in AHS results in Internal Server Error (500) Major timelineserver Jonathan Eagles Mit Desai
YARN-3711 Documentation of ResourceManager HA should explain configurations about listen addresses Minor documentation Masatake Iwasaki Masatake Iwasaki
HDFS-8597 Fix TestFSImage#testZeroBlockSize on Windows Major datanode, test Xiaoyu Yao Xiaoyu Yao
HDFS-7164 Feature documentation for HDFS-6581 Major documentation Arpit Agarwal Arpit Agarwal