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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-2454) Allow external sorter plugin for MR
Date Thu, 05 May 2011 15:55:03 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13029392#comment-13029392

Owen O'Malley commented on MAPREDUCE-2454:

I should also comment that the initialize method would allow the plugin to start any additional
services that it needs.

MapOutputCollector's flush is a method that should be controlled by the sorter and not the

> Allow external sorter plugin for MR
> -----------------------------------
>                 Key: MAPREDUCE-2454
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2454
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>            Reporter: Mariappan Asokan
>            Priority: Minor
>         Attachments: KeyValueIterator.java, MapOutputSorter.java, MapOutputSorterAbstract.java,
> Define interfaces and some abstract classes in the Hadoop framework to facilitate external
sorter plugins both on the Map and Reduce sides.

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