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https://issues.apache.org/jira/browse/MAPREDUCE-298?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer updated MAPREDUCE-298:
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Assignee: (was: Amareshwari Sriramadasu)
> multi-threaded merge phase
> --------------------------
>
> Key: MAPREDUCE-298
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-298
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Reporter: Christian Kunz
>
> Doing merges in multiple threads (when enough cores are available -- a
> monitoring issue), the time spent in merging could be cut by a factor equal
> to the number of threads.
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