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https://issues.apache.org/jira/browse/MAPREDUCE-3858?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13207903#comment-13207903
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Mahadev konar commented on MAPREDUCE-3858:
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Good patch to go into 0.23.1 as well. Ill go ahead and commit this to all the 3
branches.
> Task attempt failure during commit results in task never completing
> -------------------------------------------------------------------
>
> Key: MAPREDUCE-3858
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3858
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Reporter: Tom White
> Assignee: Tom White
> Priority: Critical
> Attachments: MAPREDUCE-3858.patch
>
>
> On a terasort job a task attempt failed during the commit phase. Another
> attempt was rescheduled, but when it tried to commit it failed.
> {noformat}
> attempt_1329019187148_0083_r_000586_0 already given a go for committing the
> task output, so killing attempt_1329019187148_0083_r_000586_1
> {noformat}
> The job hung as new attempts kept getting scheduled only to fail during
> commit.
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