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From "Robert Joseph Evans (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAPREDUCE-4128) AM Recovery expects all attempts of a completed task to also be completed.
Date Fri, 13 Apr 2012 13:49:17 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4128?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Joseph Evans resolved MAPREDUCE-4128.
--------------------------------------------

       Resolution: Fixed
    Fix Version/s:     (was: 3.0.0)
                   2.0.0
                   0.23.3

Thanks for your work on this Bikas.  I have put this into trunk, branch-2 and branch-0.23
                
> 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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