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Posted to common-dev@hadoop.apache.org by "Arun C Murthy (JIRA)" <ji...@apache.org> on 2009/02/11 23:33:59 UTC

[jira] Updated: (HADOOP-5223) Refactor reduce shuffle code

     [ https://issues.apache.org/jira/browse/HADOOP-5223?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arun C Murthy updated HADOOP-5223:
----------------------------------

    Attachment: HADOOP-5233_api.patch

Here is a the rough draft of the api we've been working on...

> Refactor reduce shuffle code
> ----------------------------
>
>                 Key: HADOOP-5223
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5223
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Owen O'Malley
>            Assignee: Owen O'Malley
>             Fix For: 0.21.0
>
>         Attachments: HADOOP-5233_api.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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