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From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-1287) Avoid calling Partitioner with only 1 reducer
Date Fri, 08 Jan 2010 08:39:57 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Douglas updated MAPREDUCE-1287:
-------------------------------------

    Attachment: M1287-6.patch

Moved bad partitioner unit test to {{TestMiniMRDFSSort}} to run on a {{MiniMRCluster}} supporting
>1 reducer.

> 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: Ed Mazur
>            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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