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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6022) Revert changes of AbstractResourceRequest
Date Thu, 22 Dec 2016 19:13:58 GMT

    [ https://issues.apache.org/jira/browse/YARN-6022?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15770843#comment-15770843
] 

Arun Suresh commented on YARN-6022:
-----------------------------------

Hmmm... not sure why the inheritance is a problem..
But I agree, maybe a better approach would be containment:
Have a {{SchedulerResourceRequest}} wrapper class that takes either a standard ResourceRequest
or UpdateContainerRequest in the constructor.

> Revert changes of AbstractResourceRequest
> -----------------------------------------
>
>                 Key: YARN-6022
>                 URL: https://issues.apache.org/jira/browse/YARN-6022
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Wangda Tan
>            Priority: Blocker
>
> YARN-5774 added AbstractResourceRequest to make easier internal scheduler change, this
is not a correct approach: For example, with this change, we need to make AbstractResourceRequest
to be public/stable. And end users can use it like:
> {code}
> AbstractResourceRequest request = ...
> request.setCapability(...)
> {code}
> But AbstractResourceRequest should not be visible by application at all. 
> We need to revert it from branch-2.8 / branch-2 / trunk. 



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