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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4808) Allow reduce-side merge to be pluggable
Date Thu, 27 Dec 2012 18:26:13 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13540091#comment-13540091
] 

Alejandro Abdelnur commented on MAPREDUCE-4808:
-----------------------------------------------

+1, to the patch and design doc. 

I'll add that having this pluggability in place it would have allowed to have a fix for MAPREDUCE-4842
avail for jobs hitting the problem until the fix is delivered in a Hadoop release. 

I'll wait until after the New Year to give the opportunity to others to review/comment the
patch and design doc.

                
> Allow reduce-side merge to be pluggable
> ---------------------------------------
>
>                 Key: MAPREDUCE-4808
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4808
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>    Affects Versions: 2.0.2-alpha
>            Reporter: Arun C Murthy
>            Assignee: Mariappan Asokan
>             Fix For: 2.0.3-alpha
>
>         Attachments: COMBO-mapreduce-4809-4812-4808.patch, mapreduce-4808.patch, mapreduce-4808.patch,
mapreduce-4808.patch, mapreduce-4808.patch, mapreduce-4808.patch, MergeManagerPlugin.pdf
>
>
> Allow reduce-side merge to be pluggable for MAPREDUCE-2454

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