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https://issues.apache.org/jira/browse/YARN-3588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15830359#comment-15830359
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Vrushali C commented on YARN-3588:
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Hi [~zjshen] 

Would you be still working on this? Or can we reassign the jira? We are 
revisiting this discussion in the context of identifying entities outside of 
the application id scope.

thanks
Vrushali

> 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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