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From "Suraj Menon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-535) Implement MapReduce in BSP
Date Thu, 10 May 2012 18:28:52 GMT

    [ https://issues.apache.org/jira/browse/HAMA-535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13272606#comment-13272606
] 

Suraj Menon commented on HAMA-535:
----------------------------------

Hi, Please check the link below for an outline of the solution that I want to propose. The
key difference here from the Hadoop MR is that since BSP Task can communicate with each other,
it can share the existent key distribution among each other. We can have different strategies
to choose which reducer to run on what set of keys based on the key distribution that every
peer gets. This is handled in ReducerKeyDesignator.java.

https://github.com/ssmenon/hama/tree/master/hama-mapreduce/src/org/apache/hama/computemodel/mapreduce
                
> Implement MapReduce in BSP
> --------------------------
>
>                 Key: HAMA-535
>                 URL: https://issues.apache.org/jira/browse/HAMA-535
>             Project: Hama
>          Issue Type: New Feature
>          Components: examples
>            Reporter: Thomas Jungblut
>            Assignee: Suraj Menon
>
> Suraj had the idea of implementing MapReduce on top of Apache Hama.
> This is generally possible because BSP is a generalization to MapReduce.
> We should just make up a simple API compatible version to Hadoop and put it into our
example module.

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