Sangjin Lee commented on YARN-2928:

bq. Also, what if an application does not want to write data to ATS or does not 
care if the data does not reach ATS? Will there now be more flags introducing 
an application submission to tell the RM that it does or does not need the ATS 
service so as to ensure that its app does not fail?

We should have such a configuration that disables the timeline service globally.

> Application Timeline Server (ATS) next gen: phase 1
> ---------------------------------------------------
>                 Key: YARN-2928
>                 URL: https://issues.apache.org/jira/browse/YARN-2928
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: timelineserver
>            Reporter: Sangjin Lee
>            Priority: Critical
>         Attachments: ATSv2.rev1.pdf, ATSv2.rev2.pdf, Data model proposal 
> v1.pdf
> We have the application timeline server implemented in yarn per YARN-1530 and 
> YARN-321. Although it is a great feature, we have recognized several critical 
> issues and features that need to be addressed.
> This JIRA proposes the design and implementation changes to address those. 
> This is phase 1 of this effort.

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