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From "Thomas Jungblut (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-511) Submitting heterogenous supersteps with precedence constraints on Hama
Date Thu, 09 Feb 2012 15:10:00 GMT

    [ https://issues.apache.org/jira/browse/HAMA-511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13204577#comment-13204577
] 

Thomas Jungblut commented on HAMA-511:
--------------------------------------

We need to let the user define a "flow-graph" of how the supersteps should be executed.
According to this, we need an engine which will execute this.

Also we need a mapping between the input and a specific superstep.

This isn't hacked in a few hours, this is a larger task. 
However, our current "execution" is just a very simple graph. So we can make the whole system
much more flexible and keep the current functionality.

So I would be +1.
                
> 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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