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From "Thomas Jungblut (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-723) Implement sorting in spilling queue.
Date Tue, 26 Feb 2013 13:38:13 GMT

    [ https://issues.apache.org/jira/browse/HAMA-723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13587118#comment-13587118
] 

Thomas Jungblut commented on HAMA-723:
--------------------------------------

If you're interested, here is a sequential code snippet for buffer sorting of a single WritableComparable
message:

https://github.com/thomasjungblut/thomasjungblut-common/blob/master/src/de/jungblut/datastructure/SortedFile.java

Shouldn't be difficult to make this async and add the merging. However I guess that we need
to copy the org.apache.hadoop.mapred.Merger into our repo as it is only package visible. BTW
who is now working on that?
                
> Implement sorting in spilling queue.
> ------------------------------------
>
>                 Key: HAMA-723
>                 URL: https://issues.apache.org/jira/browse/HAMA-723
>             Project: Hama
>          Issue Type: Sub-task
>          Components: bsp core
>            Reporter: Suraj Menon
>            Assignee: Edward J. Yoon
>             Fix For: 0.6.1, 0.7.0
>
>
> Implement sorted queue. The sender queue can send segments of sorted data and the receiver
queue should implement merge sort.

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