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From "Varun Saxena (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-6375) App level aggregation should not consider metric values reported in the previous aggregation cycle
Date Wed, 22 Mar 2017 22:09:41 GMT

     [ https://issues.apache.org/jira/browse/YARN-6375?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Varun Saxena updated YARN-6375:
-------------------------------
    Description: 
Currently app level aggregation is done every 15 seconds.
And we consider last reported metric value for each entity belonging to an app for aggregation.
We however merely update the corresponding metric values for the entity on put. We never remove
the entries.
But it is possible that multiple entities finish during lifetime of an application. We however
continue to consider them till the end.
We should however not consider metric values of entities unless reported within the 15 second
period.


> App level aggregation should not consider metric values reported in the previous aggregation
cycle
> --------------------------------------------------------------------------------------------------
>
>                 Key: YARN-6375
>                 URL: https://issues.apache.org/jira/browse/YARN-6375
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Varun Saxena
>
> Currently app level aggregation is done every 15 seconds.
> And we consider last reported metric value for each entity belonging to an app for aggregation.
> We however merely update the corresponding metric values for the entity on put. We never
remove the entries.
> But it is possible that multiple entities finish during lifetime of an application. We
however continue to consider them till the end.
> We should however not consider metric values of entities unless reported within the 15
second period.



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