“Apache Hadoop” Changelog

Release 2.8.5 - 2018-09-10

INCOMPATIBLE CHANGES:

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IMPORTANT ISSUES:

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NEW FEATURES:

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IMPROVEMENTS:

JIRA Summary Priority Component Reporter Contributor
HADOOP-13738 DiskChecker should perform some disk IO Major . Arpit Agarwal Arpit Agarwal
HADOOP-15394 Backport PowerShell NodeFencer HADOOP-14309 to branch-2 Minor . Íñigo Goiri Íñigo Goiri
HADOOP-15441 Log kms url and token service at debug level. Minor . Wei-Chiu Chuang Gabor Bota
HADOOP-15486 Make NetworkTopology#netLock fair Major net Nanda kumar Nanda kumar
HADOOP-15449 Increase default timeout of ZK session to avoid frequent NameNode failover Critical common Karthik Palanisamy Karthik Palanisamy
HDFS-13602 Add checkOperation(WRITE) checks in FSNamesystem Major ha, namenode Erik Krogen Chao Sun
HADOOP-15689 Add “*.patch” into .gitignore file of branch-2 Major . Rui Gao Rui Gao
YARN-8051 TestRMEmbeddedElector#testCallbackSynchronization is flakey Major test Robert Kanter Robert Kanter
HDFS-13812 Fix the inconsistent default refresh interval on Caching documentation Trivial documentation BELUGA BEHR Hrishikesh Gadre

BUG FIXES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-15121 Encounter NullPointerException when using DecayRpcScheduler Major . Tao Jie Tao Jie
HDFS-10803 TestBalancerWithMultipleNameNodes#testBalancing2OutOf3Blockpools fails intermittently due to no free space available Major . Yiqun Lin Yiqun Lin
HDFS-12828 OIV ReverseXML Processor fails with escaped characters Critical hdfs Erik Krogen Erik Krogen
HADOOP-15396 Some java source files are executable Minor . Akira Ajisaka Shashikant Banerjee
YARN-8232 RMContainer lost queue name when RM HA happens Major resourcemanager Hu Ziqian Hu Ziqian
HDFS-13581 DN UI logs link is broken when https is enabled Minor datanode Namit Maheshwari Shashikant Banerjee
HADOOP-15450 Avoid fsync storm triggered by DiskChecker and handle disk full situation Blocker . Kihwal Lee Arpit Agarwal
HADOOP-15473 Configure serialFilter in KeyProvider to avoid UnrecoverableKeyException caused by JDK-8189997 Critical kms Gabor Bota Gabor Bota
YARN-8444 NodeResourceMonitor crashes on bad swapFree value Major . Jim Brennan Jim Brennan
HADOOP-15548 Randomize local dirs Minor . Jim Brennan Jim Brennan
YARN-8383 TimelineServer 1.5 start fails with NoClassDefFoundError Blocker . Rohith Sharma K S Jason Lowe
YARN-8473 Containers being launched as app tears down can leave containers in NEW state Major nodemanager Jason Lowe Jason Lowe
YARN-8515 container-executor can crash with SIGPIPE after nodemanager restart Major . Jim Brennan Jim Brennan
YARN-8421 when moving app, activeUsers is increased, even though app does not have outstanding request Major . kyungwan nam
HADOOP-15614 TestGroupsCaching.testExceptionOnBackgroundRefreshHandled reliably fails Major . Kihwal Lee Weiwei Yang
HADOOP-15637 LocalFs#listLocatedStatus does not filter out hidden .crc files Minor fs Erik Krogen Erik Krogen
HADOOP-15674 Test failure TestSSLHttpServer.testExcludedCiphers with TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 cipher suite Major common Gabor Bota Szilard Nemeth
YARN-8640 Restore previous state in container-executor after failure Major . Jim Brennan Jim Brennan
HADOOP-14314 The OpenSolaris taxonomy link is dead in InterfaceClassification.md Major documentation Daniel Templeton Rui Gao
YARN-8649 NPE in localizer hearbeat processing if a container is killed while localizing Major . lujie lujie
YARN-8730 TestRMWebServiceAppsNodelabel#testAppsRunning fails Major resourcemanager Jason Lowe Eric Payne
MAPREDUCE-7131 Job History Server has race condition where it moves files from intermediate to finished but thinks file is in intermediate Major . Anthony Hsu Anthony Hsu

TESTS:

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SUB-TASKS:

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YARN-4781 Support intra-queue preemption for fairness ordering policy. Major scheduler Wangda Tan Eric Payne
HDFS-13281 Namenode#createFile should be /.reserved/raw/ aware. Critical encryption Rushabh S Shah Rushabh S Shah

OTHER:

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