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From "Bikas Saha (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4128) AM Recovery expects all attempts of a completed task to also be completed.
Date Tue, 10 Apr 2012 18:07:14 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13250895#comment-13250895
] 

Bikas Saha commented on MAPREDUCE-4128:
---------------------------------------

patch applies fine on another clean repo on my machine.
                
> 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: 3.0.0
>
>         Attachments: 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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