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https://issues.apache.org/jira/browse/MAPREDUCE-6332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16400092#comment-16400092
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Varun Saxena commented on MAPREDUCE-6332:
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[~rohithsharma] , are we planning to get this JIRA in?
> Provide facility to users for writting custom MergeManager implementation
> when custom shuffleconsumerPluggin is used
> --------------------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-6332
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6332
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Reporter: Rohith Sharma K S
> Assignee: Rohith Sharma K S
> Priority: Major
> Attachments: 0001-MAPREDUCE-6332.patch, 0002-MAPREDUCE-6332.patch,
> 0003-MAPREDUCE-6332.patch, 0004-MAPREDUCE-6332.patch
>
>
> MR provides ability to the user for plugin custom ShuffleConsumerPlugin using
> *mapreduce.job.reduce.shuffle.consumer.plugin.class*. When the user is
> allowed to use this configuration as plugin, user also interest in
> implementing his own MergeManagerImpl.
> But now , user is forced to use MR provided MergeManagerImpl instead of
> custom MergeManagerImpl when user is using shuffle.consumer.plugin class.
> There should be well defined API's in MergeManager that can be used for any
> implementation without much effort to user for custom implementation.
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