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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-103) Add a yarn AM - RM client module
Date Wed, 12 Sep 2012 20:17:08 GMT

    [ https://issues.apache.org/jira/browse/YARN-103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13454317#comment-13454317
] 

Bikas Saha commented on YARN-103:
---------------------------------

AMRMClient has wrappers for all AMRM protocol methods. In addition it provides API to release
containers, add and remove container requests.
TestAMRMClient added that also ends up testing YarnClient.
Changed ApplicationMaster in DistributedShell to use AMRMClientImpl.
Changed memory setting of AM in DistributedShell because there were occasional failures with
the old setting. AM container was sometimes being terminated at startup because its VM usage
was going slightly above quota.
                
> Add a yarn AM - RM client module
> --------------------------------
>
>                 Key: YARN-103
>                 URL: https://issues.apache.org/jira/browse/YARN-103
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Bikas Saha
>            Assignee: Bikas Saha
>         Attachments: YARN-103.1.patch
>
>
> Add a basic client wrapper library to the AM RM protocol in order to prevent proliferation
of code being duplicated everywhere. Provide helper functions to perform reverse mapping of
container requests to RM allocation resource request table format.

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