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Posted to mapreduce-dev@hadoop.apache.org by "Tsuyoshi OZAWA (JIRA)" <ji...@apache.org> on 2013/06/03 10:58:21 UTC

[jira] [Created] (MAPREDUCE-5295) ShuffleConsumerPlugin.Context should support org.apache.hadoop.mapreduce.Reducer

Tsuyoshi OZAWA created MAPREDUCE-5295:
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             Summary: ShuffleConsumerPlugin.Context should support org.apache.hadoop.mapreduce.Reducer
                 Key: MAPREDUCE-5295
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5295
             Project: Hadoop Map/Reduce
          Issue Type: Sub-task
    Affects Versions: trunk, 2.1.0-beta, 2.0.5-alpha
            Reporter: Tsuyoshi OZAWA
            Assignee: Tsuyoshi OZAWA


ShuffleConsumerPlugin.Context only supports org.apache.hadoop.mapred.Reducer currently. Because of this, Reduce side Combiner is not used when using the new API, and just ignored. Please see MAPREDUCE-5221 for more detail.

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