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https://issues.apache.org/jira/browse/YARN-1407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13827219#comment-13827219
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Vinod Kumar Vavilapalli commented on YARN-1407:
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Sandy, YARN-936 existed before. Is that a duplicate?
> RM Web UI and REST APIs should uniformly use YarnApplicationState
> -----------------------------------------------------------------
>
> Key: YARN-1407
> URL: https://issues.apache.org/jira/browse/YARN-1407
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 2.2.0
> Reporter: Sandy Ryza
> Assignee: Sandy Ryza
> Fix For: 2.2.1
>
> Attachments: YARN-1407-1.patch, YARN-1407-2.patch, YARN-1407.patch
>
>
> RMAppState isn't a public facing enum like YarnApplicationState, so we
> shouldn't return values or list filters that come from it. However, some
> Blocks and AppInfo are still using RMAppState.
> It is not 100% clear to me whether or not fixing this would be a
> backwards-incompatible change. The change would only reduce the set of
> possible strings that the API returns, so I think not. We have also been
> changing the contents of RMAppState since 2.2.0, e.g. in YARN-891. It would
> still be good to fix this ASAP (i.e. for 2.2.1).
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