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https://issues.apache.org/jira/browse/MAPREDUCE-1287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Douglas reassigned MAPREDUCE-1287:
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Assignee: Chris Douglas (was: Ed Mazur)
> 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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