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https://issues.apache.org/jira/browse/YARN-3041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14325520#comment-14325520
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Vrushali C commented on YARN-3041:
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So, for my clarification (perhaps I may be missing this), where would a Flow 
object be used versus FlowRun?  Put another way, which functionality would 
return (or require) a Flow object and which functionality would return (or 
require) a FlowRun? 


> [Data Model] create overall data objects of TS next gen
> -------------------------------------------------------
>
>                 Key: YARN-3041
>                 URL: https://issues.apache.org/jira/browse/YARN-3041
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Sangjin Lee
>            Assignee: Zhijie Shen
>         Attachments: Data_model_proposal_v2.pdf, YARN-3041.2.patch, 
> YARN-3041.3.patch, YARN-3041.4.patch, YARN-3041.preliminary.001.patch
>
>
> Per design in YARN-2928, create the ATS entity and events API.
> Also, as part of this JIRA, create YARN system entities (e.g. cluster, user, 
> flow, flow run, YARN app, ...).



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