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From "Edward J. Yoon (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HAMA-837) Add sort behaviour to runtime partitioner
Date Tue, 21 Jan 2014 02:25:19 GMT

     [ https://issues.apache.org/jira/browse/HAMA-837?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Edward J. Yoon resolved HAMA-837.
---------------------------------

    Resolution: Fixed

Fixed.

> Add sort behaviour to runtime partitioner
> -----------------------------------------
>
>                 Key: HAMA-837
>                 URL: https://issues.apache.org/jira/browse/HAMA-837
>             Project: Hama
>          Issue Type: Bug
>          Components: bsp core
>            Reporter: Edward J. Yoon
>            Assignee: Edward J. Yoon
>             Fix For: 0.7.0
>
>         Attachments: HAMA-837_v01.patch, HAMA-837_v02.patch
>
>
> If key is comparable and it need to be sorted by key of record, 
> {code}
>       if (outputPair.getKey() instanceof WritableComparable
>           && conf.getBoolean(Constants.PARTITION_SORT_BY_KEY, false)) {
> {code}
> each patitions should be sorted by key. In here, we can use external merge sort.



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