Apache Hadoop Changelog

Release 2.6.2 - 2015-10-28

INCOMPATIBLE CHANGES:

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IMPORTANT ISSUES:

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NEW FEATURES:

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IMPROVEMENTS:

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YARN-3727 For better error recovery, check if the directory exists before using it for localization. Major nodemanager zhihai xu zhihai xu

BUG FIXES:

JIRA Summary Priority Component Reporter Contributor
MAPREDUCE-6497 Fix wrong value of JOB_FINISHED event in JobHistoryEventHandler Major . Shinichi Yamashita Shinichi Yamashita
MAPREDUCE-6454 MapReduce doesn’t set the HADOOP_CLASSPATH for jar lib in distributed cache. Critical . Junping Du Junping Du
MAPREDUCE-6334 Fetcher#copyMapOutput is leaking usedMemory upon IOException during InMemoryMapOutput shuffle handler Blocker . Eric Payne Eric Payne
YARN-4087 Followup fixes after YARN-2019 regarding RM behavior when state-store error occurs Major . Jian He Jian He
YARN-4005 Completed container whose app is finished is not removed from NMStateStore Major . Jun Gong Jun Gong
YARN-3896 RMNode transitioned from RUNNING to REBOOTED because its response id had not been reset synchronously Major resourcemanager Jun Gong Jun Gong
YARN-3802 Two RMNodes for the same NodeId are used in RM sometimes after NM is reconnected. Major resourcemanager zhihai xu zhihai xu
YARN-3798 ZKRMStateStore shouldn’t create new session without occurrance of SESSIONEXPIED Blocker resourcemanager Bibin A Chundatt Varun Saxena
YARN-3780 Should use equals when compare Resource in RMNodeImpl#ReconnectNodeTransition Minor resourcemanager zhihai xu zhihai xu
YARN-3554 Default value for maximum nodemanager connect wait time is too high Major . Jason Lowe Naganarasimha G R
YARN-3194 RM should handle NMContainerStatuses sent by NM while registering if NM is Reconnected node Blocker resourcemanager Rohith Sharma K S Rohith Sharma K S
YARN-2019 Retrospect on decision of making RM crashed if any exception throw in ZKRMStateStore Critical . Junping Du Jian He

TESTS:

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SUB-TASKS:

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YARN-4101 RM should print alert messages if Zookeeper and Resourcemanager gets connection issue Critical yarn Yesha Vora Xuan Gong
YARN-4092 RM HA UI redirection needs to be fixed when both RMs are in standby mode Major resourcemanager Xuan Gong Xuan Gong

OTHER:

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