Vrushali C commented on YARN-4224:

I am catching up on this thread. cc [~jrottinghuis] to be in the loop for the 
rest api URL format changes.

[~gtCarrera] I think I understand the URL when it's only an app that we want 
since app ids are pretty distinct. But could you or someone give an example of 
say querying for a flow belonging to a particular user on a given cluster?

For instance, I might run a pig script called "countUsers" and you also run the 
same pig script but under your user name. These are two different flows since, 
like you mentioned, we identify a flow as {cluster, user, flow name} tuple. The 
run id part can default to latest run. How would the URL look in the new 

hRaven URL for the above would look like 

This would return the last run flow "countUsers" by user "{username}" on the 
cluster "{clustername}"

> 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
>         Attachments: YARN-4224-YARN-2928.01.patch

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