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From "Varun Saxena (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5747) Application timeline metric aggregation in timeline v2 will lose last round aggregation when an application finishes
Date Wed, 19 Oct 2016 11:38:59 GMT

    [ https://issues.apache.org/jira/browse/YARN-5747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15588507#comment-15588507
] 

Varun Saxena commented on YARN-5747:
------------------------------------

Thanks [~gtCarrera9] for the patch. Changes LGTM.
Probably the only thing missing is the test case. But I can see the difficulty in adding a
test case here because of scheduled thread pool executor and anyways change is very small.

I will commit it later today unless there are further comments.

> Application timeline metric aggregation in timeline v2 will lose last round aggregation
when an application finishes
> --------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-5747
>                 URL: https://issues.apache.org/jira/browse/YARN-5747
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: timelineserver
>            Reporter: Li Lu
>            Assignee: Li Lu
>         Attachments: YARN-5747-trunk.001.patch
>
>
> As discussed in YARN-3816, when an application finishes we should perform an extra round
of application level timeline aggregation. Otherwise data posted after the last round of aggregation
will get lost. 



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