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https://issues.apache.org/jira/browse/MAPREDUCE-4808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13549358#comment-13549358
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Arun C Murthy commented on MAPREDUCE-4808:
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bq. As I've noted above, adding a simple 'Merge' interface with one 'merge'
call will address all of the use-cases you have outlined. If not, let's discuss.
Forgot to add - if you don't think this suffices, please help me understand
why. We can discuss alternatives then. Thanks.
> 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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