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https://issues.apache.org/jira/browse/YARN-3588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15830363#comment-15830363
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Vrushali C commented on YARN-3588:
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It looks like we need to understand/document these requirements and have a
design discussion. [~rohithsharma] will be sharing a document soon I believe.
> Timeline entity uniqueness
> --------------------------
>
> Key: YARN-3588
> URL: https://issues.apache.org/jira/browse/YARN-3588
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: timelineserver
> Reporter: Zhijie Shen
> Assignee: Zhijie Shen
> Labels: YARN-5355
>
> In YARN-3051, we have some discussion about how to uniquely identify an
> entity. Sangjin and some other folks propose to only uniquely identify an
> entity by <type, id> in the scope of a single app. This is different from
> entity uniqueness in ATSv1, where <type, id> can globally identify an entity.
> This is going to affect the way of fetching a single entity, and raise the
> compatibility issue. Let's continue our discussion here to unblock YARN-3051.
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