[jira] [Created] (YARN-6179) Support for collapse filter for flow entities with in the boundary of date range.

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

Rohith Sharma K S created YARN-6179:
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             Summary: Support for collapse filter for flow entities with in the boundary of date range.
                 Key: YARN-6179
                 URL: https://issues.apache.org/jira/browse/YARN-6179
             Project: Hadoop YARN
          Issue Type: Sub-task
            Reporter: Rohith Sharma K S


This is continuation discussion from YARN-6027 for supporting collapse flag in /flows API. The existing API returns flow entities per day basis. Lets say, if user X runs SleepJob yesterday and today, then /flows will return 2 flow entities with flow runs per daily basis. This basically because, (UseCase-1) flows are tracked by daily basis.
(UseCase-2) Some users are not interested in duplicate flow entities being sent in response rather they expect single flow entity as response. The ability to collapse with a given time range need to supported from timeline reader. This will adds up flexible API filters that can be used by users. 



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