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Posted to mapreduce-issues@hadoop.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2010/02/02 07:18:21 UTC

[jira] Commented: (MAPREDUCE-1287) Avoid calling Partitioner with only 1 reducer

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12828492#action_12828492 ] 

Hudson commented on MAPREDUCE-1287:
-----------------------------------

Integrated in Hadoop-Mapreduce-trunk-Commit #225 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-Mapreduce-trunk-Commit/225/])
    

> Avoid calling Partitioner with only 1 reducer
> ---------------------------------------------
>
>                 Key: MAPREDUCE-1287
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1287
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>    Affects Versions: 0.22.0
>            Reporter: Ed Mazur
>            Assignee: Chris Douglas
>            Priority: Minor
>             Fix For: 0.22.0
>
>         Attachments: M1287-4.patch, M1287-5.patch, M1287-6.patch, MAPREDUCE-1287.2.patch, MAPREDUCE-1287.3.patch, MAPREDUCE-1287.patch
>
>
> Partitioners are currently called for each record, even though all are destined for the same reduce.

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