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From "Sanjay Dahiya (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-76) Implement speculative re-execution of reduces
Date Thu, 09 Nov 2006 13:30:40 GMT
     [ http://issues.apache.org/jira/browse/HADOOP-76?page=all ]

Sanjay Dahiya updated HADOOP-76:
--------------------------------

    Attachment:     (was: Hadoop-76_2.patch)

> Implement speculative re-execution of reduces
> ---------------------------------------------
>
>                 Key: HADOOP-76
>                 URL: http://issues.apache.org/jira/browse/HADOOP-76
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: mapred
>    Affects Versions: 0.1.0
>            Reporter: Doug Cutting
>         Assigned To: Sanjay Dahiya
>            Priority: Minor
>         Attachments: Hadoop-76.patch, Hadoop-76_1.patch, spec_reducev.patch
>
>
> As a first step, reduce task outputs should go to temporary files which are renamed when
the task completes.

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