Apache Hadoop Changelog

Release 1.2.1 - 2013-08-01

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-5368 Save memory by set capacity, load factor and concurrency level for ConcurrentHashMap in TaskInProgress Major mrv1 zhaoyunjiong zhaoyunjiong
MAPREDUCE-4838 Add extra info to JH files Major . Arun C Murthy Zhijie Shen

BUG FIXES:

JIRA Summary Priority Component Reporter Contributor
HADOOP-9730 fix hadoop.spec to add task-log4j.properties Major build Giridharan Kesavan Giridharan Kesavan
HADOOP-9665 BlockDecompressorStream#decompress will throw EOFException instead of return -1 when EOF Critical . Zhijie Shen Zhijie Shen
HADOOP-9504 MetricsDynamicMBeanBase has concurrency issues in createMBeanInfo Critical metrics Liang Xie Liang Xie
HDFS-4880 Diagnostic logging while loading name/edits files Major namenode Arpit Agarwal Suresh Srinivas
HDFS-4699 TestPipelinesFailover#testPipelineRecoveryStress fails sporadically Major test Chris Nauroth Chris Nauroth
HDFS-4581 DataNode#checkDiskError should not be called on network errors Major datanode Rohit Kochar Rohit Kochar
HDFS-4261 TestBalancerWithNodeGroup times out Major balancer & mover Tsz Wo Nicholas Sze Junping Du
MAPREDUCE-5375 Delegation Token renewal exception in jobtracker logs Critical . Venkat Ranganathan Venkat Ranganathan
MAPREDUCE-5364 Deadlock between RenewalTimerTask methods cancel() and run() Major . Karthik Kambatla Karthik Kambatla
MAPREDUCE-5351 JobTracker memory leak caused by CleanupQueue reopening FileSystem Critical jobtracker Sandy Ryza Sandy Ryza
MAPREDUCE-5318 Ampersand in JSPUtil.java is not escaped Minor jobtracker Bohou Li Bohou Li
MAPREDUCE-5260 Job failed because of JvmManager running into inconsistent state Major tasktracker zhaoyunjiong zhaoyunjiong
MAPREDUCE-5256 CombineInputFormat isn’t thread safe affecting HiveServer Major . Vinod Kumar Vavilapalli Vinod Kumar Vavilapalli
MAPREDUCE-5206 JT can show the same job multiple times in Retired Jobs section Minor . Arun C Murthy Arun C Murthy
MAPREDUCE-5148 Syslog missing from Map/Reduce tasks Major tasktracker Yesha Vora Arun C Murthy
MAPREDUCE-4490 JVM reuse is incompatible with LinuxTaskController (and therefore incompatible with Security) Critical task-controller, tasktracker George Datskos sam liu
MAPREDUCE-3859 CapacityScheduler incorrectly utilizes extra-resources of queue for high-memory jobs Major capacity-sched Sergey Tryuber Sergey Tryuber

TESTS:

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SUB-TASKS:

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OTHER:

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HADOOP-10371 The eclipse-plugin cannot work in my environment Minor contrib/eclipse-plugin huangxing