Varun Saxena commented on YARN-4224:

Thanks [~leftnoteasy].
For entities endpoint would  /ws/v2/timeline/apps/\{app UID\}/\{entitytype\} be 
fine for UI ? This would be a slight deviation from other endpoints because 
entity type cannot be put as part of UID in previous(parent) response
For querying app attempts entity type will be YARN_APP_ATTEMPT and for 
containers it will be YARN_CONTAINER i.e. endpoints will basically be 
/ws/v2/timeline/apps/\{app UID\}/YARN_APP_ATTEMPT and 
/ws/v2/timeline/apps/\{app UID\}/YARN_CONTAINER respectively.
I dont think in UI we will be displaying all possible generic entity types. 
Only app attempts and containers will be required.

> Change the ATSv2 reader side REST interface to conform to current REST APIs' 
> in YARN
> ------------------------------------------------------------------------------------
>                 Key: YARN-4224
>                 URL: https://issues.apache.org/jira/browse/YARN-4224
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>    Affects Versions: YARN-2928
>            Reporter: Varun Saxena
>            Assignee: Varun Saxena
>              Labels: yarn-2928-1st-milestone
>         Attachments: YARN-4224-YARN-2928.01.patch, 
> YARN-4224-feature-YARN-2928.wip.02.patch

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