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From "yuling (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-463) The job setup and cleanup tasks should be optional
Date Fri, 12 Aug 2011 05:32:27 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-463?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13083946#comment-13083946
] 

yuling commented on MAPREDUCE-463:
----------------------------------

_temporary is create at clearnup phase,and used at some OutputFormat, when mapred.committer.job.setup.cleanup.needed
is set to false, we will have to create _temporary before we use it.

> The job setup and cleanup tasks should be optional
> --------------------------------------------------
>
>                 Key: MAPREDUCE-463
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-463
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>            Reporter: Owen O'Malley
>            Assignee: Amareshwari Sriramadasu
>             Fix For: 0.21.0
>
>         Attachments: patch-463-1.txt, patch-463.txt, patch-5785-1.txt, patch-5785-2.txt,
patch-5785-3.txt, patch-5785-4.txt, patch-5785-5.txt, patch-5785.txt
>
>
> For jobs that require low latency and do not require setup or cleanup tasks for the job,
it should be possible to turn them off for that job.

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