Apache Hadoop Changelog

Release 0.23.9 - 2013-07-08

INCOMPATIBLE CHANGES:

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IMPORTANT ISSUES:

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NEW FEATURES:

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IMPROVEMENTS:

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

BUG FIXES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-9582 Non-existent file to “hadoop fs -conf” doesn’t throw error Major conf Ashwin Shankar Ashwin Shankar
HADOOP-9581 hadoop –config non-existent directory should result in error Major scripts Ashwin Shankar Ashwin Shankar
HDFS-4878 On Remove Block, Block is not Removed from neededReplications queue Major namenode Tao Luo Tao Luo
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
HDFS-4765 Permission check of symlink deletion incorrectly throws UnresolvedLinkException Major namenode Andrew Wang Andrew Wang
HDFS-4205 fsck fails with symlinks Major hdfs-client Andy Isaacson Jason Lowe
MAPREDUCE-5316 job -list-attempt-ids command does not handle illegal task-state Major client Ashwin Shankar Ashwin Shankar
MAPREDUCE-5315 DistCp reports success even on failure. Critical distcp Mithun Radhakrishnan Mithun Radhakrishnan
MAPREDUCE-5308 Shuffling to memory can get out-of-sync when fetching multiple compressed map outputs Major . Nathan Roberts Nathan Roberts
MAPREDUCE-4019 -list-attempt-ids is not working Minor client B Anil Kumar Ashwin Shankar
YARN-742 Log aggregation causes a lot of redundant setPermission calls Major nodemanager Kihwal Lee 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-478 fix coverage org.apache.hadoop.yarn.webapp.log Major . Aleksey Gorshkov Aleksey Gorshkov
YARN-427 Coverage fix for org.apache.hadoop.yarn.server.api.* Major . Aleksey Gorshkov Aleksey Gorshkov

OTHER:

JIRA Summary Priority Component Reporter Contributor