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Date: Tue, 10 May 2011 05:58:03 +0000 (UTC)
From: "Vinod Kumar Vavilapalli (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
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Subject: [jira] [Commented] (MAPREDUCE-2480) MR-279: mr app should not
 depend on hard-coded version of shuffle
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-2480?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13031035#comment-13031035 ] 

Vinod Kumar Vavilapalli commented on MAPREDUCE-2480:
----------------------------------------------------

To further clarify, the dependency, ideally, should not be on the implementation but rather on some kind of interface exposed by the shuffle service. Today there isn't any interface separate from the implementation and hence the dependency on the implementation itself.

> MR-279: mr app should not depend on hard-coded version of shuffle
> -----------------------------------------------------------------
>
>                 Key: MAPREDUCE-2480
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2480
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>            Reporter: Luke Lu
>            Assignee: Luke Lu
>             Fix For: 0.23.0
>
>         Attachments: mr-2480-shuffle-version-v1.patch
>
>
> The following commit introduced a dependency of shuffle with hard-coded version for mr app:
> {noformat}
> commit 6f69742140516be7493c9a9177b81d0516cc9539
> Author: Vinod Kumar Vavilapalli <vinodkv@apache.org>
> Date:   Wed May 4 06:53:52 2011 +0000
>     Adding user log handling for YARN. Making NM put the user-logs on DFS and providing log-dump tools. Contributed by Vinod Kumar Vavilapalli.
> {noformat}

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