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From "Mariappan Asokan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-2454) Allow external sorter plugin for MR
Date Mon, 12 Nov 2012 22:01:20 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2454?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mariappan Asokan updated MAPREDUCE-2454:
----------------------------------------

    Status: Patch Available  (was: Open)
    
> 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
>    Affects Versions: 2.0.2-alpha, 2.0.0-alpha, 3.0.0
>            Reporter: Mariappan Asokan
>            Assignee: Mariappan Asokan
>            Priority: Minor
>              Labels: features, performance, plugin, sort
>         Attachments: HadoopSortPlugin.pdf, HadoopSortPlugin.pdf, KeyValueIterator.java,
MapOutputSorterAbstract.java, MapOutputSorter.java, mapreduce-2454.patch, mapreduce-2454.patch,
mapreduce-2454.patch, mapreduce-2454.patch, mapreduce-2454.patch, mapreduce-2454.patch, mapreduce-2454.patch,
mapreduce-2454.patch, mapreduce-2454.patch, mapreduce-2454.patch, mapreduce-2454.patch, mapreduce-2454.patch,
mapreduce-2454.patch, mapreduce-2454.patch, mapreduce-2454.patch, mapreduce-2454.patch, mapreduce-2454.patch,
mapreduce-2454.patch, mapreduce-2454.patch, mr-2454-on-mr-279-build82.patch.gz, MR-2454-trunkPatchPreview.gz,
ReduceInputSorter.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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