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Posted to mapreduce-issues@hadoop.apache.org by "Scott Chen (JIRA)" <ji...@apache.org> on 2010/12/01 00:04:11 UTC

[jira] Commented: (MAPREDUCE-2206) The task-cleanup tasks should be optional

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12965474#action_12965474 ] 

Scott Chen commented on MAPREDUCE-2206:
---------------------------------------

I have open MAPREDUCE-2207 for the problem that task-cleanup task always go to the same node that fails the task.

> The task-cleanup tasks should be optional
> -----------------------------------------
>
>                 Key: MAPREDUCE-2206
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2206
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: jobtracker
>    Affects Versions: 0.23.0
>            Reporter: Scott Chen
>            Assignee: Scott Chen
>             Fix For: 0.23.0
>
>         Attachments: MAPREDUCE-2206.txt
>
>
> For job does not use OutputCommitter.abort(), this should be able to turn off.
> This improves the latency of the job because failed tasks are often the bottleneck of the jobs.

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