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Apache Hadoop Changelog

Release 0.23.9 - 2013-07-08

IMPROVEMENTS:

JIRA	Summary	Priority	Component	Reporter	Contributor
YARN-169	Update log4j.appender.EventCounter to use org.apache.hadoop.log.metrics.EventCounter	Minor	nodemanager	Anthony Rojas	Anthony Rojas
MAPREDUCE-5268	Improve history server startup performance	Major	jobhistoryserver	Jason Lowe	Karthik Kambatla

BUG FIXES:

JIRA	Summary	Priority	Component	Reporter	Contributor
HDFS-4765	Permission check of symlink deletion incorrectly throws UnresolvedLinkException	Major	namenode	Andrew Wang	Andrew Wang
YARN-742	Log aggregation causes a lot of redundant setPermission calls	Major	nodemanager	Kihwal Lee	Jason Lowe
HDFS-4867	metaSave NPEs when there are invalid blocks in repl queue.	Major	namenode	Kihwal Lee	Plamen Jeliazkov
HDFS-4862	SafeModeInfo.isManual() returns true when resources are low even if it wasn't entered into manually	Major	.	Ravi Prakash	Ravi Prakash
HDFS-4832	Namenode doesn't change the number of missing blocks in safemode when DNs rejoin or leave	Critical	.	Ravi Prakash	Ravi Prakash
HADOOP-9581	hadoop --config non-existent directory should result in error	Major	scripts	Ashwin Shankar	Ashwin Shankar
MAPREDUCE-5308	Shuffling to memory can get out-of-sync when fetching multiple compressed map outputs	Major	.	Nathan Roberts	Nathan Roberts
MAPREDUCE-5315	DistCp reports success even on failure.	Critical	distcp	Mithun Radhakrishnan	Mithun Radhakrishnan
HDFS-4878	On Remove Block, Block is not Removed from neededReplications queue	Major	namenode	Tao Luo	Tao Luo
MAPREDUCE-4019	-list-attempt-ids is not working	Minor	client	B Anil Kumar	Ashwin Shankar
MAPREDUCE-5316	job -list-attempt-ids command does not handle illegal task-state	Major	client	Ashwin Shankar	Ashwin Shankar
HADOOP-9582	Non-existent file to "hadoop fs -conf" doesn't throw error	Major	conf	Ashwin Shankar	Ashwin Shankar
HDFS-4205	fsck fails with symlinks	Major	hdfs-client	Andy Isaacson	Jason Lowe

TESTS:

JIRA	Summary	Priority	Component	Reporter	Contributor
MAPREDUCE-5084	fix coverage org.apache.hadoop.mapreduce.v2.app.webapp and org.apache.hadoop.mapreduce.v2.hs.webapp	Major	.	Aleksey Gorshkov	Aleksey Gorshkov

SUB-TASKS:

JIRA	Summary	Priority	Component	Reporter	Contributor
YARN-427	Coverage fix for org.apache.hadoop.yarn.server.api.*	Major	.	Aleksey Gorshkov	Aleksey Gorshkov
YARN-478	fix coverage org.apache.hadoop.yarn.webapp.log	Major	.	Aleksey Gorshkov	Aleksey Gorshkov