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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4992) AM hangs in RecoveryService when recovering tasks with speculative attempts
Date Wed, 13 Feb 2013 14:06:13 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4992?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13577576#comment-13577576
] 

Hudson commented on MAPREDUCE-4992:
-----------------------------------

Integrated in Hadoop-Mapreduce-trunk #1343 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1343/])
    MAPREDUCE-4992. AM hangs in RecoveryService when recovering tasks with speculative attempts.
Contributed by Robert Parker (Revision 1445456)

     Result = FAILURE
jlowe : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1445456
Files : 
* /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/mapreduce/v2/app/recover/RecoveryService.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/TestRecovery.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/jobhistory/JobHistoryParser.java

                
> AM hangs in RecoveryService when recovering tasks with speculative attempts
> ---------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4992
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4992
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mr-am
>    Affects Versions: trunk, 2.0.2-alpha, 0.23.6
>            Reporter: Robert Parker
>            Assignee: Robert Parker
>            Priority: Critical
>             Fix For: 0.23.7, 2.0.4-beta
>
>         Attachments: MAPREDUCE-4992v1.patch, MAPREDUCE-4992v2.patch
>
>
> A job hung in the Recovery Service on an AM restart. There were four map tasks events
that were not processed and that prevented the complete task count from reaching zero which
exits the recovery service. All four tasks were speculative

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