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Posted to mapreduce-issues@hadoop.apache.org by "Tsuyoshi OZAWA (JIRA)" <ji...@apache.org> on 2013/06/04 07:33:20 UTC

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

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5295?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tsuyoshi OZAWA updated MAPREDUCE-5295:
--------------------------------------

    Status: Patch Available  (was: Open)
    
> 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
>         Attachments: MAPREDUCE-5295.1.patch
>
>
> 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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