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From "Vinod Kumar Vavilapalli (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-431) MapReduce NG integration
Date Sat, 01 Oct 2011 05:36:46 GMT

    [ https://issues.apache.org/jira/browse/HAMA-431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13118679#comment-13118679
] 

Vinod Kumar Vavilapalli commented on HAMA-431:
----------------------------------------------

bq. I started playing around with the ApplicationMaster and I think we need a ContainerLauncher
right?
Don't import or copy over the ContainerLauncher. All you need is the code in there to start
and stop containers.

Regarding the state machines, we will need some kind of representation for the barrier sync
in the job too.

bq. a checkpointer per host? the sync daemon
What is the purpose of these two?

I'll be hanging around at #hama channel at freenode, we can sync up w.r.t implementation details.
(My timezone is IST)
                
> MapReduce NG integration
> ------------------------
>
>                 Key: HAMA-431
>                 URL: https://issues.apache.org/jira/browse/HAMA-431
>             Project: Hama
>          Issue Type: New Feature
>            Reporter: Thomas Jungblut
>            Assignee: Thomas Jungblut
>         Attachments: job_state.dot, task_phase.dot, task_state.dot
>
>
> We should take a look at how to integrate Hama's BSP Engine to Hadoop's nextGen application
platform.
> Can be currently found in the 0.23 branch.

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