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From "Edward J. Yoon (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-511) Submitting heterogenous supersteps with precedence constraints on Hama
Date Fri, 10 Feb 2012 05:05:59 GMT

    [ https://issues.apache.org/jira/browse/HAMA-511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13205232#comment-13205232

Edward J. Yoon commented on HAMA-511:

I like the idea of supporting selective synchronization for high-level BSP developers. 

BTW, I'm reading Valiant's BSP and MS's dryad papers and just wondered why these jobs should
running in timeshared-fashion on a cluster. If we schedules job based on resource sharing
architecture like Hadoop, it may be possible. But what's the disadvantages?  

I would recommend you to start this as a sub-module.
> Submitting heterogenous supersteps with precedence constraints on Hama
> ----------------------------------------------------------------------
>                 Key: HAMA-511
>                 URL: https://issues.apache.org/jira/browse/HAMA-511
>             Project: Hama
>          Issue Type: New Feature
>            Reporter: Suraj Menon
>            Priority: Minor
>         Attachments: Defining supersteps for BSP.pdf
> Hama should support submission of jobs with support for:
> 1) Skipping unwanted superstep synchronization.
> 2) Run supersteps with heterogenous nature of computation
> 3) Scheduling supersteps with precedence constraints.
> An explanation of these is provided in the attachment.

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