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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-318) Refactor reduce shuffle code
Date Mon, 31 Aug 2009 08:11:33 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12749415#action_12749415
] 

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

Integrated in Hadoop-Common-trunk-Commit #3 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-Common-trunk-Commit/3/])
    HADOOP-6224. Adds methods to read strings safely, makes the Buffer class in DataOutputBuffer
public, and introduces public constructors there. These changes are required for . Contributed
by Jothi Padmanabhan and Arun Murthy.


> 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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