Apache Hadoop Changelog

Release 2.6.3 - 2015-12-17

INCOMPATIBLE CHANGES:

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IMPORTANT ISSUES:

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NEW FEATURES:

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IMPROVEMENTS:

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HADOOP-12413 AccessControlList should avoid calling getGroupNames in isUserInList with empty groups. Major security zhihai xu zhihai xu
HDFS-9434 Recommission a datanode with 500k blocks may pause NN for 30 seconds Major namenode Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze

BUG FIXES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-12577 Bump up commons-collections version to 3.2.2 to address a security flaw Blocker build, security Wei-Chiu Chuang Wei-Chiu Chuang
HADOOP-12526 [Branch-2] there are duplicate dependency definitions in pom’s Major build Sangjin Lee Sangjin Lee
HADOOP-12230 hadoop-project declares duplicate, conflicting curator dependencies Minor build Steve Loughran Rakesh R
HADOOP-11267 TestSecurityUtil fails when run with JDK8 because of empty principal names Minor security, test Stephen Chu Stephen Chu
HADOOP-10134 [JDK8] Fix Javadoc errors caused by incorrect or illegal tags in doc comments Minor . Andrew Purtell Andrew Purtell
HADOOP-9242 Duplicate surefire plugin config in hadoop-common Major test Andrey Klochkov Andrey Klochkov
HDFS-9470 Encryption zone on root not loaded from fsimage after NN restart Critical . Xiao Chen Xiao Chen
HDFS-9431 DistributedFileSystem#concat fails if the target path is relative. Major hdfs-client Kazuho Fujii Kazuho Fujii
HDFS-9289 Make DataStreamer#block thread safe and verify genStamp in commitBlock Critical . Chang Li Chang Li
HDFS-9273 ACLs on root directory may be lost after NN restart Critical namenode Xiao Chen Xiao Chen
HDFS-9083 Replication violates block placement policy. Blocker namenode Rushabh S Shah Rushabh S Shah
HDFS-8615 Correct HTTP method in WebHDFS document Major documentation Akira AJISAKA Brahma Reddy Battula
MAPREDUCE-6549 multibyte delimiters with LineRecordReader cause duplicate records Major mrv1, mrv2 Dustin Cote Wilfred Spiegelenburg
MAPREDUCE-6540 TestMRTimelineEventHandling fails Major test Sangjin Lee Sangjin Lee
MAPREDUCE-6528 Memory leak for HistoryFileManager.getJobSummary() Critical jobhistoryserver Junping Du Junping Du
MAPREDUCE-6481 LineRecordReader may give incomplete record and wrong position/key information for uncompressed input sometimes. Critical mrv2 zhihai xu zhihai xu
MAPREDUCE-6377 JHS sorting on state column not working in webUi Minor jobhistoryserver Bibin A Chundatt zhihai xu
MAPREDUCE-6273 HistoryFileManager should check whether summaryFile exists to avoid FileNotFoundException causing HistoryFileInfo into MOVE_FAILED state Minor jobhistoryserver zhihai xu zhihai xu
MAPREDUCE-5948 org.apache.hadoop.mapred.LineRecordReader does not handle multibyte record delimiters well Critical . Kris Geusebroek Akira AJISAKA
MAPREDUCE-5883 “Total megabyte-seconds” in job counters is slightly misleading Minor . Nathan Roberts Nathan Roberts
YARN-4434 NodeManager Disk Checker parameter documentation is not correct Minor documentation, nodemanager Takashi Ohnishi Weiwei Yang
YARN-4424 Fix deadlock in RMAppImpl Blocker . Yesha Vora Jian He
YARN-4365 FileSystemNodeLabelStore should check for root dir existence on startup Major resourcemanager Jason Lowe Kuhu Shukla
YARN-4348 ZKRMStateStore.syncInternal shouldn’t wait for sync completion for avoiding blocking ZK’s event thread Blocker . Tsuyoshi Ozawa Tsuyoshi Ozawa
YARN-4344 NMs reconnecting with changed capabilities can lead to wrong cluster resource calculations Critical resourcemanager Varun Vasudev Varun Vasudev
YARN-4326 Fix TestDistributedShell timeout as AHS in MiniYarnCluster no longer binds to default port 8188 Major . MENG DING MENG DING
YARN-4320 TestJobHistoryEventHandler fails as AHS in MiniYarnCluster no longer binds to default port 8188 Major . Varun Saxena Varun Saxena
YARN-4312 TestSubmitApplicationWithRMHA fails on branch-2.7 and branch-2.6 as some of the test cases time out Major . Varun Saxena Varun Saxena
YARN-4241 Fix typo of property name in yarn-default.xml Major documentation Anthony Rojas Anthony Rojas
YARN-3925 ContainerLogsUtils#getContainerLogFile fails to read container log files from full disks. Critical nodemanager zhihai xu zhihai xu
YARN-3878 AsyncDispatcher can hang while stopping if it is configured for draining events on stop Critical . Varun Saxena Varun Saxena
YARN-2859 ApplicationHistoryServer binds to default port 8188 in MiniYARNCluster Critical timelineserver Hitesh Shah Vinod Kumar Vavilapalli

TESTS:

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HADOOP-10668 TestZKFailoverControllerStress#testExpireBackAndForth occasionally fails Major test Ted Yu Ming Ma

SUB-TASKS:

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OTHER:

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