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https://issues.apache.org/jira/browse/MAPREDUCE-6332?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rohith updated MAPREDUCE-6332:
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Summary: Provide facility to users for writting custom MergeManager
implementation when custom shuffleconsumerPluggin is used (was: Add more
required API's to MergeManager interface )
> 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
> Affects Versions: 2.5.0, 2.6.0, 2.7.0
> Reporter: Rohith
> Assignee: Rohith
> Labels: BB2015-05-TBR
> Attachments: 0001-MAPREDUCE-6332.patch, 0002-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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