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https://issues.apache.org/jira/browse/HAMA-458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13132330#comment-13132330
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Edward J. Yoon commented on HAMA-458:
-------------------------------------
If possible, let's schedule to 0.4
> Add Combiners
> -------------
>
> Key: HAMA-458
> URL: https://issues.apache.org/jira/browse/HAMA-458
> Project: Hama
> Issue Type: New Feature
> Reporter: Thomas Jungblut
>
> We have spoken about it on the mailing list:
> http://www.mail-archive.com/[email protected]/msg05540.html
> Small extract:
> {quote}
> When should the combiner be called and in which form. In MapReduce they
> are plain reducers, so we can have the same model but not grouped by a key
> rather than the class name of the message.
> {quote}
> Especially if we could collect all task data on the same host and combine
> them. This would yield into better performance.
> We need a smart idea.
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