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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5693) Restore MRv1 behavior for log flush
Date Wed, 22 Jan 2014 13:27:22 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13878637#comment-13878637
] 

Hudson commented on MAPREDUCE-5693:
-----------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk #1677 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1677/])
MAPREDUCE-5693. Restore MRv1 behavior for log flush. Contributed by Gera Shegalov (jlowe:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1560148)
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapred/YarnChild.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/MRAppMaster.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/TaskLog.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/TaskLogAppender.java
* /hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/ContainerLogAppender.java


> Restore MRv1 behavior for log flush
> -----------------------------------
>
>                 Key: MAPREDUCE-5693
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5693
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>            Reporter: Gera Shegalov
>            Assignee: Gera Shegalov
>             Fix For: 2.4.0
>
>         Attachments: MAPREDUCE-5693.v01.patch
>
>
> to improve log consistency and completeness for diagnostics in the case of JVM crashes
and SIGTERMing by NM this JIRA proposes to restore the MRv1 behavior of periodic log syncing
(every 5s) and having log sync as part of a shutdown hook.



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