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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-103) Add a yarn AM - RM client module
Date Fri, 21 Dec 2012 20:03:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13538364#comment-13538364
] 

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

Looks like there are different views on interface usage. How about the following proposal?
The next step after this gets committed is to write a version of the AMRMClient that is more
advanced and handles things like auto-heartbeat and task->container matching. This will
be useful for simple applications that dont need fine grained control over scheduling. After
I am done writing that client then it will be clear if the interface API's apply or if its
better to write that class with a different API. Based on that we can continue to keep the
interface and add a factory or remove the interface. Does this sound like a way forward?
                
> 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, YARN-103.2.patch, YARN-103.3.patch, YARN-103.4.patch,
YARN-103.4.wrapper.patch, YARN-103.5.patch, YARN-103.6.patch, YARN-103.7.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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