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Apache Hadoop Changelog

Release 2.8.5 - Unreleased (as of 2018-09-02)

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

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

SUB-TASKS:

JIRA	Summary	Priority	Component	Reporter	Contributor
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