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https://issues.apache.org/jira/browse/YARN-6022?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15799539#comment-15799539
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Wangda Tan commented on YARN-6022:
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[~templedf], I'm afraid not, since ResourceRequest doesn't have accept to
scheduler Java project. Another approach is to use Resource.set(...) method to
update fields of Resource in-place, however, when Resource is a read-only
instance (like Resources.NONE), it throws runtime exception and bring down RM.
So I think we may need to keep it like this.
> 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
> Assignee: Wangda Tan
> Priority: Blocker
> Attachments: YARN-6022.001.patch, YARN-6022.002.patch,
> YARN-6022.003.patch
>
>
> 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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