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https://issues.apache.org/jira/browse/YARN-6199?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15889522#comment-15889522
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Rohith Sharma K S commented on YARN-6199:
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bq. Use-case wise, you plan to use this with daterange. Right?
Date Range do NOT solve filter userid use case. Date range retrieves all the 
users data. Lets say, userX has run a flow one week back and userX wants to 
know about his flow activities. Can he able to retrieves userX flows given data 
range? The response contains all the users flow activities data.

bq. do you think this should be a merge blocker?
We can take consensus on this! It  is important to support this filter. I do 
not think of any easier solution to support this filter unless flow activity 
table to be modified to keep userid in column. By doing this, at least column 
filters can be used to match user id. 

> Support for listing flows with filter userid
> --------------------------------------------
>
>                 Key: YARN-6199
>                 URL: https://issues.apache.org/jira/browse/YARN-6199
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelinereader
>            Reporter: Rohith Sharma K S
>              Labels: yarn-5355-merge-blocker
>
> Currently */flows* API retrieves flow entities for all the users by default. 
> It is required to provide filter user i.e */flows?user=rohith* . This is 
> critical filter in secured environment. 



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