Apache Hadoop Changelog

Release 1.3.0 - Unreleased (as of 2017-08-28)


JIRA Summary Priority Component Reporter Contributor
MAPREDUCE-5777 Support utf-8 text with BOM (byte order marker) Major . bc Wong zhihai xu


JIRA Summary Priority Component Reporter Contributor
MAPREDUCE-2351 mapred.job.tracker.history.completed.location should support an arbitrary filesystem URI Major . Tom White Tom White
HADOOP-9450 HADOOP_USER_CLASSPATH_FIRST is not honored; CLASSPATH is PREpended instead of APpended Major scripts Mitch Wyle Harsh J
HDFS-4521 invalid network topologies should not be cached Minor . Colin P. McCabe Colin P. McCabe
HADOOP-8873 Port HADOOP-8175 (Add mkdir -p flag) to branch-1 Major . Eli Collins Akira Ajisaka
HDFS-4903 Print trash configuration and trash emptier state in namenode log Minor namenode Suresh Srinivas Arpit Agarwal
MAPREDUCE-5406 Improve logging around Task Tracker exiting with JVM manager inconsistent state Major tasktracker Chelsey Chang Chelsey Chang
MAPREDUCE-5408 CLONE - The logging level of the tasks should be configurable by the job Major . Owen O’Malley Arun C Murthy
MAPREDUCE-5367 Local jobs all use same local working directory Major . Sandy Ryza Sandy Ryza
HDFS-4963 Improve multihoming support in namenode Major namenode Arpit Agarwal Arpit Agarwal
HADOOP-9855 Backport HADOOP-6578 to branch-1 Major . James Kinley James Kinley
HDFS-5038 Backport several branch-2 APIs to branch-1 Minor . Jing Zhao Jing Zhao
HDFS-5367 Restoring namenode storage locks namenode due to unnecessary fsimage write Major . yunjiong zhao yunjiong zhao
MAPREDUCE-5457 Add a KeyOnlyTextOutputReader to enable streaming to write out text files without separators Major . Sandy Ryza Sandy Ryza
MAPREDUCE-5609 Add debug log message when sending job end notification Major . Robert Kanter Robert Kanter
MAPREDUCE-3310 Custom grouping comparator cannot be set for Combiners Major client Mathias Herberts Alejandro Abdelnur
MAPREDUCE-5651 Backport Fair Scheduler queue placement policies to branch-1 Major scheduler Sandy Ryza Ted Malaska
MAPREDUCE-5712 Backport Fair Scheduler pool placement by secondary group Major scheduler Theodore michael Malaska Theodore michael Malaska
HADOOP-10614 CBZip2InputStream is not threadsafe Major . Xiangrui Meng Xiangrui Meng
MAPREDUCE-6088 TestTokenCache tests should use their own JobConf instances Major mrv1, test zhihai xu zhihai xu
HDFS-7312 Update DistCp v1 to optionally not use tmp location (branch-1 only) Minor tools Joseph Prosser Joseph Prosser


JIRA Summary Priority Component Reporter Contributor
HADOOP-7140 IPC Reader threads do not stop when server stops Critical . Todd Lipcon Todd Lipcon
HDFS-2264 NamenodeProtocol has the wrong value for clientPrincipal in KerberosInfo annotation Major namenode Aaron T. Myers Aaron T. Myers
MAPREDUCE-5046 backport MAPREDUCE-1423 to mapred.lib.CombineFileInputFormat Major client Sangjin Lee
MAPREDUCE-5047 keep.failed.task.files=true causes job failure on secure clusters Major task, tasktracker Sandy Ryza Sandy Ryza
MAPREDUCE-5070 TestClusterStatus.testClusterMetrics fails on JDK7 Major test Sandy Ryza Sandy Ryza
MAPREDUCE-5072 TestDelegationTokenRenewal.testDTRenewal fails in MR1 on jdk7 Major test Sandy Ryza Sandy Ryza
MAPREDUCE-5073 TestJobStatusPersistency.testPersistency fails on JDK7 Major test Sandy Ryza Sandy Ryza
HDFS-4622 Remove redundant synchronized from FSNamesystem#rollEditLog in branch-1 Trivial . Jing Zhao Jing Zhao
MAPREDUCE-2817 MiniRMCluster hardcodes ‘mapred.local.dir’ configuration to ‘build/test/mapred/local’ Minor test Alejandro Abdelnur Robert Kanter
MAPREDUCE-5133 TestSubmitJob.testSecureJobExecution is flaky due to job dir deletion race Major test Sandy Ryza Sandy Ryza
MAPREDUCE-5218 Annotate (comment) internal classes as Private Minor . Karthik Kambatla Karthik Kambatla
MAPREDUCE-5217 DistCp fails when launched by Oozie in a secure cluster Major distcp, security Venkat Ranganathan Venkat Ranganathan
MAPREDUCE-5095 TestShuffleExceptionCount#testCheckException fails occasionally with JDK7 Major . Arpit Agarwal Arpit Agarwal
MAPREDUCE-5250 Searching for ‘;’ in JobTracker History throws ArrayOutOfBoundException Minor . Karthik Kambatla Karthik Kambatla
HDFS-4944 WebHDFS cannot create a file path containing characters that must be URI-encoded, such as space. Major webhdfs Chris Nauroth Chris Nauroth
HADOOP-9678 TestRPC#testStopsAllThreads intermittently fails on Windows Major . Ivan Mitic Ivan Mitic
HADOOP-9307 BufferedFSInputStream.read returns wrong results after certain seeks Major fs Todd Lipcon Todd Lipcon
HDFS-5003 TestNNThroughputBenchmark failed caused by existing directories Minor test Xi Fang Xi Fang
MAPREDUCE-5405 Job recovery can fail if task log directory symlink from prior run still exists Major mrv1 Chris Nauroth Chris Nauroth
MAPREDUCE-5288 ResourceEstimator#getEstimatedTotalMapOutputSize suffers from divide by zero issues Major mrv1 Harsh J Karthik Kambatla
HADOOP-9507 LocalFileSystem rename() is broken in some cases when destination exists Minor fs Mostafa Elhemali Chris Nauroth
MAPREDUCE-4366 mapred metrics shows negative count of waiting maps and reduces Major jobtracker Thomas Graves Sandy Ryza
HADOOP-9768 chown and chgrp reject users and groups with spaces on platforms where spaces are otherwise acceptable Major fs Chris Nauroth Chris Nauroth
HADOOP-9801 Configuration#writeXml uses platform defaulting encoding, which may mishandle multi-byte characters. Major conf Chris Nauroth Chris Nauroth
HDFS-4898 BlockPlacementPolicyWithNodeGroup.chooseRemoteRack() fails to properly fallback to local rack Minor namenode Eric Sirianni Tsz Wo Nicholas Sze
HDFS-5211 Race condition between DistributedFileSystem#close and FileSystem#close can cause return of a closed DistributedFileSystem instance from the FileSystem cache. Major hdfs-client Chris Nauroth Chris Nauroth
MAPREDUCE-5508 JobTracker memory leak caused by unreleased FileSystem objects in JobInProgress#cleanupJob Critical jobtracker Xi Fang Xi Fang
HDFS-5245 shouldRetry() in WebHDFSFileSystem generates excessive warnings Minor webhdfs Haohui Mai Haohui Mai
HADOOP-10009 Backport HADOOP-7808 to branch-1 Major . Haohui Mai Haohui Mai
MAPREDUCE-5569 FloatSplitter is not generating correct splits Major . Nathan Roberts Nathan Roberts
MAPREDUCE-5512 TaskTracker hung after failed reconnect to the JobTracker Major tasktracker Ivan Mitic Ivan Mitic
HDFS-4794 Browsing filesystem via webui throws kerberos exception when NN service RPC is enabled in a secure cluster Major security Benoy Antony Benoy Antony
HADOOP-10142 Avoid groups lookup for unprivileged users such as “dr.who” Major . Vinayakumar B Vinayakumar B
HADOOP-10090 Jobtracker metrics not updated properly after execution of a mapreduce job Major metrics Ivan Mitic Ivan Mitic
MAPREDUCE-5702 TaskLogServlet#printTaskLog has spurious HTML closing tags Trivial task Karthik Kambatla Robert Kanter
MAPREDUCE-5698 Backport MAPREDUCE-1285 to branch-1 Major . Yongjun Zhang Yongjun Zhang
HDFS-5685 DistCp will fail to copy with -delete switch Major hdfs-client Yongjun Zhang Yongjun Zhang
MAPREDUCE-5710 Backport MAPREDUCE-1305 to branch-1 Major . Yongjun Zhang Yongjun Zhang
HDFS-5944 LeaseManager:findLeaseWithPrefixPath can’t handle path like /a/b/ right and cause SecondaryNameNode failed do checkpoint Major namenode yunjiong zhao yunjiong zhao
HDFS-5516 WebHDFS does not require user name when anonymous http requests are disallowed. Major webhdfs Chris Nauroth Miodrag Radulovic
MAPREDUCE-5808 Port output replication factor configurable for terasort to Hadoop 1.x Minor examples Chuan Liu Chuan Liu
MAPREDUCE-5822 FairScheduler does not preempt due to fairshare-starvation when fairshare is 1 Major scheduler Anubhav Dhoot Anubhav Dhoot
HDFS-6141 WebHdfsFileSystem#toUrl does not perform character escaping. Major webhdfs Chris Nauroth Chris Nauroth
HADOOP-10562 Namenode exits on exception without printing stack trace in AbstractDelegationTokenSecretManager Critical . Suresh Srinivas Suresh Srinivas
MAPREDUCE-5877 Inconsistency between JT/TT for tasks taking a long time to launch Critical jobtracker, tasktracker Karthik Kambatla Karthik Kambatla
MAPREDUCE-5979 FairScheduler: zero weight can cause sort failures Major scheduler Anubhav Dhoot Anubhav Dhoot
MAPREDUCE-5966 MR1 FairScheduler use of custom weight adjuster is not thread safe for comparisons Major scheduler Anubhav Dhoot Anubhav Dhoot
MAPREDUCE-5968 Work directory is not deleted when downloadCacheObject throws IOException Major mrv1 zhihai xu zhihai xu
HDFS-6822 In branch-1, Namenode and datanode fails to replace “_HOST” to hostname for hadoop.http.authentication.kerberos.principal Major security Jing Zhao Jing Zhao
MAPREDUCE-6012 DBInputSplit creates invalid ranges on Oracle Major . Julien Serdaru Wei Yan
HADOOP-11035 distcp on mr1(branch-1) fails with NPE using a short relative source path. Major tools zhihai xu zhihai xu
MAPREDUCE-6009 Map-only job with new-api runs wrong OutputCommitter when cleanup scheduled in a reduce slot Blocker client, job submission Gera Shegalov Gera Shegalov
MAPREDUCE-6147 Support mapreduce.input.fileinputformat.split.maxsize Minor mrv1 zhihai xu zhihai xu
MAPREDUCE-6170 TestUlimit failure on JDK8 Major contrib/streaming bc Wong bc Wong
HDFS-7503 Namenode restart after large deletions can cause slow processReport (due to logging) Major namenode Arpit Agarwal Arpit Agarwal
MAPREDUCE-6196 Fix BigDecimal ArithmeticException in PiEstimator Minor . Ray Chiang Ray Chiang
MAPREDUCE-6198 NPE from JobTracker#resolveAndAddToTopology in MR1 cause initJob and heartbeat failure. Major mrv1 zhihai xu zhihai xu
MAPREDUCE-5272 A Minor Error in Javadoc of TestMRWithDistributedCache in Branch-1 Trivial test Zhijie Shen Zhijie Shen
MAPREDUCE-5556 mapred docs have incorrect classpath Trivial . Allen Wittenauer Harsh J
MAPREDUCE-5660 Log info about possible thrashing (when using memory-based scheduling in Capacity Scheduler) is not printed Trivial capacity-sched, mrv1, tasktracker Adam Kawa Adam Kawa
MAPREDUCE-5183 In, TaskTracker#reportProgress logging of 0.0-1.0 progress is followed by percent sign Minor mrv1, tasktracker Sandy Ryza Niranjan Singh
HDFS-6649 Documentation for setrep is wrong Trivial documentation Alexander Fahlke Akira Ajisaka
MAPREDUCE-6076 Zero map split input length combine with none zero map split input length may cause MR1 job hung sometimes. Major mrv1 zhihai xu zhihai xu


JIRA Summary Priority Component Reporter Contributor
HADOOP-9624 TestFSMainOperationsLocalFileSystem failed when the Hadoop test root path has “X” in its name Minor test Xi Fang Xi Fang


JIRA Summary Priority Component Reporter Contributor
MAPREDUCE-4049 plugin for generic shuffle service Major performance, task, tasktracker Avner BenHanoch Avner BenHanoch
HADOOP-9573 Fix test-patch script to work with the enhanced PreCommit-Admin script. Major build Giridharan Kesavan Giridharan Kesavan