Apache Hadoop Changelog

Release 1.1.1 - 2012-11-27

INCOMPATIBLE CHANGES:

JIRA	Summary	Priority	Component	Reporter	Contributor

IMPORTANT ISSUES:

JIRA	Summary	Priority	Component	Reporter	Contributor

NEW FEATURES:

JIRA	Summary	Priority	Component	Reporter	Contributor
HDFS-528	Add ability for safemode to wait for a minimum number of live datanodes	Major	scripts	Todd Lipcon	Todd Lipcon

IMPROVEMENTS:

JIRA	Summary	Priority	Component	Reporter	Contributor
HADOOP-8823	ant package target should not depend on cn-docs	Major	build	Tsz Wo Nicholas Sze	Tsz Wo Nicholas Sze
HDFS-4174	Backport HDFS-1031 to branch-1: to list a few of the corrupted files in WebUI	Major	.	Jing Zhao	Jing Zhao
HDFS-1539	prevent data loss when a cluster suffers a power loss	Major	datanode, hdfs-client, namenode	dhruba borthakur	dhruba borthakur

BUG FIXES:

JIRA	Summary	Priority	Component	Reporter	Contributor
HADOOP-9017	fix hadoop-client-pom-template.xml and hadoop-client-pom-template.xml for version	Major	build	Giridharan Kesavan	Giridharan Kesavan
HADOOP-8995	Remove unnecessary bogus exception log from Configuration	Minor	.	Jing Zhao	Jing Zhao
HADOOP-8882	uppercase namenode host name causes fsck to fail when useKsslAuth is on	Major	.	Arpit Gupta	Arpit Gupta
HADOOP-8878	uppercase namenode hostname causes hadoop dfs calls with webhdfs filesystem and fsck to fail when security is on	Major	.	Arpit Gupta	Arpit Gupta
HADOOP-8745	Incorrect version numbers in hadoop-core POM	Minor	.	Matthias Friedrich	Matthias Friedrich
HDFS-4161	HDFS keeps a thread open for every file writer	Major	hdfs-client	Suresh Srinivas	Tsz Wo Nicholas Sze
HDFS-4134	hadoop namenode & datanode entry points should return negative exit code on bad arguments	Minor	namenode	Steve Loughran
HDFS-4105	the SPNEGO user for secondary namenode should use the web keytab	Major	.	Arpit Gupta	Arpit Gupta
HDFS-3846	Namenode deadlock in branch-1	Major	namenode	Tsz Wo Nicholas Sze	Brandon Li
HDFS-3791	Backport HDFS-173 to Branch-1 : Recursively deleting a directory with millions of files makes NameNode unresponsive for other commands until the deletion completes	Major	namenode	Uma Maheswara Rao G	Uma Maheswara Rao G
HDFS-3658	TestDFSClientRetries#testNamenodeRestart failed	Major	.	Eli Collins	Tsz Wo Nicholas Sze
HDFS-2815	Namenode is not coming out of safemode when we perform ( NN crash + restart ) . Also FSCK report shows blocks missed.	Critical	namenode	Uma Maheswara Rao G	Uma Maheswara Rao G
MAPREDUCE-4792	Unit Test TestJobTrackerRestartWithLostTracker fails with ant-1.8.4	Major	test	Amir Sanjar	Amir Sanjar
MAPREDUCE-4782	NLineInputFormat skips first line of last InputSplit	Blocker	client	Mark Fuhs	Mark Fuhs
MAPREDUCE-4749	Killing multiple attempts of a task taker longer as more attempts are killed	Major	.	Arpit Gupta	Arpit Gupta

TESTS:

JIRA	Summary	Priority	Component	Reporter	Contributor

SUB-TASKS:

JIRA	Summary	Priority	Component	Reporter	Contributor
HDFS-1108	Log newly allocated blocks	Major	ha, namenode	dhruba borthakur	Todd Lipcon

OTHER:

JIRA	Summary	Priority	Component	Reporter	Contributor