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https://issues.apache.org/jira/browse/YARN-3815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Li Lu reassigned YARN-3815:
---------------------------

    Assignee: Li Lu  (was: Junping Du)

> [Aggregation] Application/Flow/User/Queue Level Aggregations
> ------------------------------------------------------------
>
>                 Key: YARN-3815
>                 URL: https://issues.apache.org/jira/browse/YARN-3815
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Junping Du
>            Assignee: Li Lu
>            Priority: Critical
>         Attachments: Timeline Service Nextgen Flow, User, Queue Level 
> Aggregations (v1).pdf
>
>
> Per previous discussions in some design documents for YARN-2928, the basic 
> scenario is the query for stats can happen on:
> - Application level, expect return: an application with aggregated stats
> - Flow level, expect return: aggregated stats for a flow_run, flow_version 
> and flow 
> - User level, expect return: aggregated stats for applications submitted by 
> user
> - Queue level, expect return: aggregated stats for applications within the 
> Queue
> Application states is the basic building block for all other level 
> aggregations. We can provide Flow/User/Queue level aggregated statistics info 
> based on application states (a dedicated table for application states is 
> needed which is missing from previous design documents like HBase/Phoenix 
> schema design). 



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