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Apache Hadoop Changelog

Release 1.0.1 - 2012-02-22

INCOMPATIBLE CHANGES:

JIRA	Summary	Priority	Component	Reporter	Contributor
HADOOP-7470	move up to Jackson 1.8.8	Minor	util	Steve Loughran	Enis Soztutar
HADOOP-8037	Binary tarball does not preserve platform info for native builds, and RPMs fail to provide needed symlinks for libhadoop.so	Blocker	build	Matt Foley	Matt Foley

IMPROVEMENTS:

JIRA	Summary	Priority	Component	Reporter	Contributor
MAPREDUCE-3184	Improve handling of fetch failures when a tasktracker is not responding on HTTP	Major	jobtracker	Todd Lipcon	Todd Lipcon
MAPREDUCE-3607	Port missing new API mapreduce lib classes to 1.x	Major	client	Tom White	Tom White
HADOOP-7987	Support setting the run-as user in unsecure mode	Major	security	Devaraj Das	Jitendra Nath Pandey
HDFS-2814	NamenodeMXBean does not account for svn revision in the version information	Minor	.	Hitesh Shah	Hitesh Shah
HADOOP-8009	Create hadoop-client and hadoop-minicluster artifacts for downstream projects	Critical	build	Alejandro Abdelnur	Alejandro Abdelnur

BUG FIXES:

JIRA	Summary	Priority	Component	Reporter	Contributor
MAPREDUCE-3343	TaskTracker Out of Memory because of distributed cache	Major	mrv1	Ahmed Radwan	yunjiong zhao
HADOOP-7960	Port HADOOP-5203 to branch-1, build version comparison is too restrictive	Major	.	Giridharan Kesavan	Matt Foley
HADOOP-7964	Deadlock in class init.	Blocker	security, util	Kihwal Lee	Daryn Sharp
HADOOP-7988	Upper case in hostname part of the principals doesn't work with kerberos.	Major	.	Jitendra Nath Pandey	Jitendra Nath Pandey
HADOOP-8010	hadoop-config.sh spews error message when HADOOP_HOME_WARN_SUPPRESS is set to true and HADOOP_HOME is present	Minor	scripts	Roman Shaposhnik	Roman Shaposhnik
HDFS-2379	0.20: Allow block reports to proceed without holding FSDataset lock	Critical	datanode	Todd Lipcon	Todd Lipcon
HADOOP-8052	Hadoop Metrics2 should emit Float.MAX_VALUE (instead of Double.MAX_VALUE) to avoid making Ganglia's gmetad core	Major	metrics	Varun Kapoor	Varun Kapoor