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https://issues.apache.org/jira/browse/MAPREDUCE-4808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13556595#comment-13556595
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Mariappan Asokan commented on MAPREDUCE-4808:
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Hi Arun,
I will think about your suggestion to make the Merger class pluggable and
post my findings for different use cases.
-- Asokan
> Refactor MapOutput and MergeManager to facilitate reuse by Shuffle
> implementations
> ----------------------------------------------------------------------------------
>
> Key: MAPREDUCE-4808
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4808
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Reporter: Arun C Murthy
> Assignee: Mariappan Asokan
> Attachments: COMBO-mapreduce-4809-4812-4808.patch,
> mapreduce-4808.patch, mapreduce-4808.patch, mapreduce-4808.patch,
> mapreduce-4808.patch, mapreduce-4808.patch, mapreduce-4808.patch,
> mapreduce-4808.patch, MergeManagerPlugin.pdf
>
>
> Now that Shuffle is pluggable (MAPREDUCE-4049), it would be convenient for
> alternate implementations to be able to reuse portions of the default
> implementation.
> This would come with the strong caveat that these classes are LimitedPrivate
> and Unstable.
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