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https://issues.apache.org/jira/browse/YARN-3817?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Li Lu updated YARN-3817:
------------------------
    Description: 
We need time-based flow/user level aggregation to present flow/user related 
states to end users.
Flow level represents summary info of a specific flow. User level aggregation 
represents summary info of a specific user, it should include summary info of 
accumulated and statistic means (by two levels: application and flow), like: 
number of Flows, applications, resource consumption, resource means per app or 
flow, etc. 

  was:
We need flow/user level aggregation to present flow/user related states to end 
users.
Flow level aggregation involve three levels aggregations:
- The first level is Flow_run level which represents one execution of a flow 
and shows exactly aggregated data for a run of flow.
- The 2nd level is Flow_version level which represents summary info of a 
version of flow.
- The 3rd level is Flow level which represents summary info of a specific flow.

User level aggregation represents summary info of a specific user, it should 
include summary info of accumulated and statistic means (by two levels: 
application and flow), like: number of Flows, applications, resource 
consumption, resource means per app or flow, etc. 


> [Aggregation] Flow and User level aggregation on Application States table
> -------------------------------------------------------------------------
>
>                 Key: YARN-3817
>                 URL: https://issues.apache.org/jira/browse/YARN-3817
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Junping Du
>            Assignee: Li Lu
>         Attachments: Detail Design for Flow and User Level Aggregation.pdf
>
>
> We need time-based flow/user level aggregation to present flow/user related 
> states to end users.
> Flow level represents summary info of a specific flow. User level aggregation 
> represents summary info of a specific user, it should include summary info of 
> accumulated and statistic means (by two levels: application and flow), like: 
> number of Flows, applications, resource consumption, resource means per app 
> or flow, etc. 



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