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From "Thomas Jungblut (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-431) MapReduce NG integration
Date Wed, 12 Oct 2011 12:45:12 GMT

    [ https://issues.apache.org/jira/browse/HAMA-431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13125790#comment-13125790
] 

Thomas Jungblut commented on HAMA-431:
--------------------------------------

Well, like I already told you in the other issue:
It is better readable and clearer code in BSPPeer, 1 line vs 15 with synchronization stuff.
And it may be faster, because it has less overhead.
And there is no additional process to spawn. 

But I'm not aware of if it has the same issues like zookeeper has. We'll just have to test
this. From the code I run, it works totally fine, but I don't own a 1k node cluster to test
this ;) So there might be scalabilty and stability issues. 
                
> 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: WelcomeOnYarn.png, 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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