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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4128) AM Recovery expects all attempts of a completed task to also be completed.
Date Fri, 13 Apr 2012 13:57:16 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13253379#comment-13253379
] 

Hudson commented on MAPREDUCE-4128:
-----------------------------------

Integrated in Hadoop-Hdfs-trunk-Commit #2143 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Commit/2143/])
    MAPREDUCE-4128. AM Recovery expects all attempts of a completed task to also be completed.
(Bikas Saha via bobby) (Revision 1325765)

     Result = SUCCESS
bobby : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1325765
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/job/impl/TaskImpl.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/jobhistory/TestJobHistoryEventHandler.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/TestFetchFailure.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/avro/Events.avpr
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/jobhistory/JobHistoryParser.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/jobhistory/TaskFinishedEvent.java
* /hadoop/common/trunk/hadoop-tools/hadoop-rumen/src/main/java/org/apache/hadoop/tools/rumen/Task20LineHistoryEventEmitter.java

                
> AM Recovery expects all attempts of a completed task to also be completed.
> --------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4128
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4128
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 3.0.0
>            Reporter: Bikas Saha
>            Assignee: Bikas Saha
>             Fix For: 0.23.3, 2.0.0
>
>         Attachments: MAPREDUCE-4128-1.patch, MAPREDUCE-4128-2.patch, MAPREDUCE-4128.patch
>
>
> The AM seems to assume that all attempts of a completed task (from a previous AM incarnation)
would also be completed. There is at least one case in which this does not hold. Case being
cancellation of a completed task resulting in a new running attempt.

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