[jira] [Commented] (YARN-4220) [Storage implementation] Support getEntities with only Application id but no userId

["Rohith Sharma K S (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-4220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15448041#comment-15448041 ] 

Rohith Sharma K S commented on YARN-4220:
-----------------------------------------

Multiple application entity reader enforces to provide userId and flowName as a filter. It looks like userId and flowName are tightly coupled for multiple applications retrieval.

> [Storage implementation] Support getEntities with only Application id but no userId
> -----------------------------------------------------------------------------------
>
>                 Key: YARN-4220
>                 URL: https://issues.apache.org/jira/browse/YARN-4220
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Li Lu
>            Assignee: Li Lu
>            Priority: Minor
>              Labels: YARN-5355
>
> Currently we're enforcing flow and flowrun id to be non-null values on {{getEntities}}. We can actually query the appToFlow table to figure out an application's flow id and flowrun id if they're missing. This will simplify normal queries. 



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