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Date: Mon, 15 Feb 2010 14:25:28 +0000 (UTC)
From: "Hemanth Yamijala (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Subject: [jira] Updated: (MAPREDUCE-1476) committer.needsTaskCommit should
 not be called for a task cleanup attempt
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     [ https://issues.apache.org/jira/browse/MAPREDUCE-1476?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hemanth Yamijala updated MAPREDUCE-1476:
----------------------------------------

    Release Note: Fixed Map/Reduce framework to not call commit task for special tasks like job setup/cleanup and task cleanup.

> committer.needsTaskCommit should not be called for a task cleanup attempt
> -------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1476
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1476
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.20.1
>            Reporter: Amareshwari Sriramadasu
>            Assignee: Amareshwari Sriramadasu
>             Fix For: 0.22.0
>
>         Attachments: patch-1476-1.txt, patch-1476-2.txt, patch-1476-ydist.txt, patch-1476.txt
>
>
> Currently, Task.done() calls committer.needsTaskCommit() to know whether it needs a commit or not. This need not be called for task cleanup attempt as no commit is required for a cleanup attempt. 
> Due to MAPREDUCE-1409, we saw a case where cleanup attempt went into COMMIT_PENDING state.

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