Apache Hadoop Changelog

Release 2.6.5 - 2016-10-08


JIRA Summary Priority Component Reporter Contributor
YARN-4785 inconsistent value type of the “type” field for LeafQueueInfo in response of RM REST API - cluster/scheduler Major webapp Jayesh Varun Vasudev


JIRA Summary Priority Component Reporter Contributor
HDFS-2580 NameNode#main(…) can make use of GenericOptionsParser. Minor namenode Harsh J Harsh J
HADOOP-11301 [optionally] update jmx cache to drop old metrics Major . Maysam Yabandeh Maysam Yabandeh
HDFS-9669 TcpPeerServer should respect ipc.server.listen.queue.size Major . Elliott Clark Elliott Clark
HDFS-9629 Update the footer of Web UI to show year 2016 Major . Xiao Chen Xiao Chen
HADOOP-12805 Annotate CanUnbuffer with @InterfaceAudience.Public Major . Ted Yu Ted Yu
YARN-4690 Skip object allocation in FSAppAttempt#getResourceUsage when possible Major . Ming Ma Ming Ma
HADOOP-12800 Copy docker directory from 2.8 to 2.7/2.6 repos to enable pre-commit Jenkins runs Major build, yetus Zhe Zhang Zhe Zhang
MAPREDUCE-6622 Add capability to set JHS job cache to a task-based limit Critical jobhistoryserver Ray Chiang Ray Chiang
HADOOP-12789 log classpath of ApplicationClassLoader at INFO level Minor util Sangjin Lee Sangjin Lee
HDFS-10264 Logging improvements in FSImageFormatProtobuf.Saver Major namenode Konstantin Shvachko Xiaobing Zhou
HDFS-10377 CacheReplicationMonitor shutdown log message should use INFO level. Major logging, namenode Konstantin Shvachko Yiqun Lin
HADOOP-13290 Appropriate use of generics in FairCallQueue Major ipc Konstantin Shvachko Jonathan Hung
HADOOP-13298 Fix the leftover L&N files in hadoop-build-tools/src/main/resources/META-INF/ Minor . Xiao Chen Tsuyoshi Ozawa
YARN-5483 Optimize RMAppAttempt#pullJustFinishedContainers Major . sandflee sandflee


JIRA Summary Priority Component Reporter Contributor
HDFS-7258 CacheReplicationMonitor rescan schedule log should use DEBUG level instead of INFO level Minor namenode Xiaoyu Yao Xiaoyu Yao
HDFS-7530 Allow renaming of encryption zone roots Minor namenode Charles Lamb Charles Lamb
HADOOP-7817 RawLocalFileSystem.append() should give FSDataOutputStream with accurate .getPos() Major fs Kristofer Tomasette Kanaka Kumar Avvaru
MAPREDUCE-6413 TestLocalJobSubmission is failing with unknown host Major test Jason Lowe zhihai xu
MAPREDUCE-5817 Mappers get rescheduled on node transition even after all reducers are completed Major applicationmaster Sangjin Lee Sangjin Lee
HDFS-8845 DiskChecker should not traverse the entire tree Major . Chang Li Chang Li
HDFS-8581 ContentSummary on / skips further counts on yielding lock Minor namenode tongshiquan J.Andreina
HADOOP-12348 MetricsSystemImpl creates MetricsSourceAdapter with wrong time unit parameter. Major metrics zhihai xu zhihai xu
MAPREDUCE-6302 Preempt reducers after a configurable timeout irrespective of headroom Critical . mai shurong Karthik Kambatla
HADOOP-12482 Race condition in JMX cache update Major . Tony Wu Tony Wu
HDFS-9347 Invariant assumption in TestQuorumJournalManager.shutdown() is wrong Major test Wei-Chiu Chuang Wei-Chiu Chuang
HADOOP-12559 KMS connection failures should trigger TGT renewal Major security Zhe Zhang Zhe Zhang
HADOOP-12682 Fix TestKMS#testKMSRestart* failure Major . Wei-Chiu Chuang Wei-Chiu Chuang
HADOOP-12773 HBase classes fail to load with client/job classloader enabled Major util Sangjin Lee Sangjin Lee
HDFS-9752 Permanent write failures may happen to slow writers during datanode rolling upgrades Critical . Kihwal Lee Walter Su
HADOOP-12589 Fix intermittent test failure of TestCopyPreserveFlag Major test Tsuyoshi Ozawa Masatake Iwasaki
HADOOP-12810 FileSystem#listLocatedStatus causes unnecessary RPC calls Major fs, fs/s3 Ryan Blue Ryan Blue
MAPREDUCE-6637 Testcase Failure : TestFileInputFormat.testSplitLocationInfo Major test Brahma Reddy Battula Brahma Reddy Battula
MAPREDUCE-6635 Unsafe long to int conversion in UncompressedSplitLineReader and IndexOutOfBoundsException Critical . Sergey Shelukhin Junping Du
YARN-2046 Out of band heartbeats are sent only on container kill and possibly too early Major nodemanager Jason Lowe Ming Ma
YARN-4722 AsyncDispatcher logs redundant event queue sizes Major . Jason Lowe Jason Lowe
YARN-4761 NMs reconnecting with changed capabilities can lead to wrong cluster resource calculations on fair scheduler Major fairscheduler Sangjin Lee Sangjin Lee
MAPREDUCE-6656 [NNBench] OP_DELETE operation isn’t working after MAPREDUCE-6363 Blocker . J.Andreina J.Andreina
HADOOP-12958 PhantomReference for filesystem statistics can trigger OOM Major . Jason Lowe Sangjin Lee
HDFS-10182 Hedged read might overwrite user’s buf Major . zhouyingchao zhouyingchao
YARN-4773 Log aggregation performs extraneous filesystem operations when rolling log aggregation is disabled Minor nodemanager Jason Lowe Jun Gong
HDFS-10178 Permanent write failures can happen if pipeline recoveries occur for the first packet Critical . Kihwal Lee Kihwal Lee
HDFS-10271 Extra bytes are getting released from reservedSpace for append Critical . Brahma Reddy Battula Brahma Reddy Battula
YARN-4794 Deadlock in NMClientImpl Critical . Sumana Sathish Jian He
HADOOP-13042 Restore lost leveldbjni LICENSE and NOTICE changes Major . Andrew Wang Andrew Wang
HADOOP-13043 Add LICENSE.txt entries for bundled javascript dependencies Major . Andrew Wang Andrew Wang
HADOOP-13052 ChecksumFileSystem mishandles crc file permissions Major fs Daryn Sharp Daryn Sharp
YARN-5009 NMLeveldbStateStoreService database can grow substantially leading to longer recovery times Major nodemanager Jason Lowe Jason Lowe
MAPREDUCE-6514 Job hangs as ask is not updated after ramping down of all reducers Blocker applicationmaster Varun Saxena Varun Saxena
MAPREDUCE-6689 MapReduce job can infinitely increase number of reducer resource requests Blocker . Wangda Tan Wangda Tan
MAPREDUCE-6558 multibyte delimiters with compressed input files generate duplicate records Major mrv1, mrv2 Wilfred Spiegelenburg Wilfred Spiegelenburg
HDFS-9365 Balancer does not work with the HDFS-6376 HA setup Major balancer & mover Tsz Wo Nicholas Sze Tsz Wo Nicholas Sze
YARN-4459 container-executor should only kill process groups Major nodemanager Jun Gong Jun Gong
HDFS-10458 getFileEncryptionInfo should return quickly for non-encrypted cluster Major encryption, namenode Zhe Zhang Zhe Zhang
YARN-5206 RegistrySecurity includes id:pass in exception text if considered invalid Minor client, security Steve Loughran Steve Loughran
HADOOP-13189 FairCallQueue makes callQueue larger than the configured capacity. Major ipc Konstantin Shvachko Vinitha Reddy Gankidi
HADOOP-13255 KMSClientProvider should check and renew tgt when doing delegation token operations. Major kms Xiao Chen Xiao Chen
HADOOP-13192 org.apache.hadoop.util.LineReader cannot handle multibyte delimiters correctly Critical util binde binde
YARN-5197 RM leaks containers if running container disappears from node update Critical resourcemanager Jason Lowe Jason Lowe
YARN-5262 Optimize sending RMNodeFinishedContainersPulledByAMEvent for every AM heartbeat Major resourcemanager Rohith Sharma K S Rohith Sharma K S
HADOOP-13350 Additional fix to LICENSE and NOTICE Blocker build Xiao Chen Xiao Chen
HADOOP-12893 Verify LICENSE.txt and NOTICE.txt Blocker build Allen Wittenauer Xiao Chen
HADOOP-13297 Add missing dependency in setting maven-remote-resource-plugin to fix builds Major build Akira Ajisaka Sean Busbey
YARN-5353 ResourceManager can leak delegation tokens when they are shared across apps Critical resourcemanager Jason Lowe Jason Lowe
HADOOP-11361 Fix a race condition in MetricsSourceAdapter.updateJmxCache Major . Brahma Reddy Battula Brahma Reddy Battula
HDFS-10544 Balancer doesn’t work with IPFailoverProxyProvider Major balancer & mover, ha Zhe Zhang Zhe Zhang
YARN-5462 TestNodeStatusUpdater.testNodeStatusUpdaterRetryAndNMShutdown fails intermittently Major . Eric Badger Eric Badger
HADOOP-13434 Add quoting to Shell class Major . Owen O’Malley Owen O’Malley
HDFS-9696 Garbage snapshot records lingering forever Critical . Kihwal Lee Kihwal Lee
HADOOP-13494 ReconfigurableBase can log sensitive information Major security Sean Mackrory Sean Mackrory
HDFS-9530 ReservedSpace is not cleared for abandoned Blocks Critical datanode Fei Hui Brahma Reddy Battula
HDFS-10763 Open files can leak permanently due to inconsistent lease update Critical . Kihwal Lee Kihwal Lee
HADOOP-13579 Fix source-level compatibility after HADOOP-11252 Blocker . Akira Ajisaka Tsuyoshi Ozawa
HDFS-10870 Wrong dfs.namenode.acls.enabled default in HdfsPermissionsGuide.apt.vm Trivial documentation John Zhuge John Zhuge
YARN-5694 ZKRMStateStore can prevent the transition to standby in branch-2.7 if the ZK node is unreachable Critical resourcemanager Daniel Templeton Daniel Templeton


JIRA Summary Priority Component Reporter Contributor
MAPREDUCE-6191 TestJavaSerialization fails with getting incorrect MR job result Minor test sam liu sam liu
HDFS-9688 Test the effect of nested encryption zones in HDFS downgrade Major encryption, test Zhe Zhang Zhe Zhang


JIRA Summary Priority Component Reporter Contributor
YARN-4393 TestResourceLocalizationService#testFailedDirsResourceRelease fails intermittently Major test Varun Saxena Varun Saxena
YARN-4573 TestRMAppTransitions.testAppRunningKill and testAppKilledKilled fail on trunk Major resourcemanager, test Takashi Ohnishi Takashi Ohnishi
HDFS-10653 Optimize conversion from path string to components Major hdfs Daryn Sharp Daryn Sharp