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Apache Hadoop Changelog

Release 0.23.8 - 2013-06-05

BUG FIXES:

JIRA	Summary	Priority	Component	Reporter	Contributor
MAPREDUCE-4383	HadoopPipes.cc needs to include unistd.h	Minor	pipes	Andy Isaacson	Andy Isaacson
YARN-71	Ensure/confirm that the NodeManager cleans up local-dirs on restart	Critical	nodemanager	Vinod Kumar Vavilapalli	Xuan Gong
HDFS-4690	Namenode exits if entering safemode while secret manager is edit logging	Critical	namenode, security	Daryn Sharp	Daryn Sharp
MAPREDUCE-5065	DistCp should skip checksum comparisons if block-sizes are different on source/target.	Major	distcp	Mithun Radhakrishnan	Mithun Radhakrishnan
YARN-476	ProcfsBasedProcessTree info message confuses users	Minor	.	Jason Lowe	Sandy Ryza
HDFS-4699	TestPipelinesFailover#testPipelineRecoveryStress fails sporadically	Major	test	Chris Nauroth	Chris Nauroth
MAPREDUCE-5147	Maven build should create hadoop-mapreduce-client-app-VERSION.jar directly	Major	mrv2	Robert Parker	Robert Parker
HADOOP-9469	mapreduce/yarn source jars not included in dist tarball	Major	.	Thomas Graves	Robert Parker
YARN-363	yarn proxyserver fails to find webapps/proxy directory on startup	Major	.	Jason Lowe	Kenji Kikushima
MAPREDUCE-5168	Reducer can OOM during shuffle because on-disk output stream not released	Critical	mrv2	Jason Lowe	Jason Lowe
HDFS-4477	Secondary namenode may retain old tokens	Critical	security	Kihwal Lee	Daryn Sharp
YARN-690	RM exits on token cancel/renew problems	Blocker	resourcemanager	Daryn Sharp	Daryn Sharp
MAPREDUCE-4927	Historyserver 500 error due to NPE when accessing specific counters page for failed job	Major	jobhistoryserver	Jason Lowe	Ashwin Shankar
HDFS-4835	Port trunk WebHDFS changes to branch-0.23	Critical	webhdfs	Robert Parker	Robert Parker
HDFS-3875	Issue handling checksum errors in write pipeline	Critical	datanode, hdfs-client	Todd Lipcon	Kihwal Lee
HDFS-4807	DFSOutputStream.createSocketForPipeline() should not include timeout extension on connect	Major	.	Kihwal Lee	Cristina L. Abad
HDFS-4714	Log short messages in Namenode RPC server for exceptions meant for clients	Major	namenode	Kihwal Lee	Kihwal Lee
HADOOP-9614	smart-test-patch.sh hangs for new version of patch (2.7.1)	Major	.	Ravi Prakash	Ravi Prakash
MAPREDUCE-5211	Reducer intermediate files can collide during merge	Blocker	mrv2	Jason Lowe	Jason Lowe
HADOOP-9504	MetricsDynamicMBeanBase has concurrency issues in createMBeanInfo	Critical	metrics	Liang Xie	Liang Xie
MAPREDUCE-5059	Job overview shows average merge time larger than for any reduce attempt	Major	jobhistoryserver, webapps	Jason Lowe	Omkar Vinit Joshi

TESTS:

JIRA	Summary	Priority	Component	Reporter	Contributor
HADOOP-9222	Cover package with org.apache.hadoop.io.lz4 unit tests	Major	.	Vadim Bondarev	Vadim Bondarev
HADOOP-9233	Cover package org.apache.hadoop.io.compress.zlib with unit tests	Major	.	Vadim Bondarev	Vadim Bondarev
MAPREDUCE-5015	Coverage fix for org.apache.hadoop.mapreduce.tools.CLI	Major	.	Aleksey Gorshkov	Aleksey Gorshkov

SUB-TASKS:

JIRA	Summary	Priority	Component	Reporter	Contributor
YARN-548	Add tests for YarnUncaughtExceptionHandler	Major	.	Vadim Bondarev	Vadim Bondarev