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Posted to mapreduce-issues@hadoop.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2009/09/02 13:20:32 UTC

[jira] Commented: (MAPREDUCE-318) Refactor reduce shuffle code

    [ https://issues.apache.org/jira/browse/MAPREDUCE-318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12750395#action_12750395 ] 

Hudson commented on MAPREDUCE-318:
----------------------------------

Integrated in Hadoop-Common-trunk-Commit #8 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-Common-trunk-Commit/8/])
    HADOOP-6226. Moves BoundedByteArrayOutputStream from the tfile package to the io package and makes it available to other users (). Contributed by Jothi Padmanabhan.


> Refactor reduce shuffle code
> ----------------------------
>
>                 Key: MAPREDUCE-318
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-318
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>            Reporter: Owen O'Malley
>            Assignee: Owen O'Malley
>         Attachments: HADOOP-5233_api.patch, HADOOP-5233_part0.patch, mapred-318-14Aug.patch, mapred-318-20Aug.patch, mapred-318-24Aug.patch, mapred-318-common.patch
>
>
> The reduce shuffle code has become very complex and entangled. I think we should move it out of ReduceTask and into a separate package (org.apache.hadoop.mapred.task.reduce). Details to follow.

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