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From "Aaron Kimball (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-797) MRUnit MapReduceDriver should support combiners
Date Thu, 23 Jul 2009 20:31:14 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aaron Kimball updated MAPREDUCE-797:
------------------------------------

    Status: Patch Available  (was: Open)

> MRUnit MapReduceDriver should support combiners
> -----------------------------------------------
>
>                 Key: MAPREDUCE-797
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-797
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>            Reporter: Aaron Kimball
>            Assignee: Aaron Kimball
>         Attachments: MAPREDUCE-797.patch
>
>
> The MapReduceDriver allows you to specify a mapper and a reducer class with a simple
sort/"shuffle" between the passes. It would be nice to also support another Reducer implementation
being used as a combiner in the middle.

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