Wangda Tan commented on YARN-2493:

Hi [~yufeldman],
Thanks for reviewing this, the purpose of add an AMContainerResourceRequest is 
exactly as you said: Currently we have Priority, Resource, we're adding 
labelExpression, in the future we will add resourceName and relaxLocality -- 
that is pretty much ResourceRequest, except numContainers, we don't need 
duplicate them in ApplicationSubmissionContext.

Does this make sense to you?


> [YARN-796] API changes for users
> --------------------------------
>                 Key: YARN-2493
>                 URL: https://issues.apache.org/jira/browse/YARN-2493
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: api
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>         Attachments: YARN-2493.patch, YARN-2493.patch
> This JIRA includes API changes for users of YARN-796, like changes in 
> {{ResourceRequest}}, {{ApplicationSubmissionContext}}, etc. This is a common 
> part of YARN-796.

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