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Date: Wed, 24 Aug 2011 18:10:32 +0000 (UTC)
From: "Allen Wittenauer (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
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Subject: [jira] [Commented] (MAPREDUCE-2846) a small % of all tasks fail
 with DefaultTaskController
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-2846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13090380#comment-13090380 ] 

Allen Wittenauer commented on MAPREDUCE-2846:
---------------------------------------------

+1

> a small % of all tasks fail with DefaultTaskController
> ------------------------------------------------------
>
>                 Key: MAPREDUCE-2846
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2846
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: task, task-controller, tasktracker
>    Affects Versions: 0.20.204.0
>            Reporter: Allen Wittenauer
>            Assignee: Owen O'Malley
>            Priority: Blocker
>         Attachments: sync-trunk.patch, sync.patch
>
>
> After upgrading our test 0.20.203 grid to 0.20.204-rc2, we ran terasort to verify operation.  While the job completed successfully, approx 10% of the tasks failed with task runner execution errors and the inability to create symlinks for attempt logs.

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