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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6375) App level aggregation should not consider metric values reported in the previous aggregation cycle
Date Thu, 04 May 2017 22:50:04 GMT

    [ https://issues.apache.org/jira/browse/YARN-6375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15997555#comment-15997555

Hudson commented on YARN-6375:

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #11686 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/11686/])
YARN-6375 App level aggregation should not consider metric values (vrushali: rev 54e2b9e876fd91712c14ffbc4c49cd946f305aeb)
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/test/java/org/apache/hadoop/yarn/server/timelineservice/collector/TestTimelineCollector.java
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/collector/TimelineCollector.java

> App level aggregation should not consider metric values reported in the previous aggregation
> --------------------------------------------------------------------------------------------------
>                 Key: YARN-6375
>                 URL: https://issues.apache.org/jira/browse/YARN-6375
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Varun Saxena
>            Assignee: Varun Saxena
>             Fix For: YARN-5355, YARN-5355-branch-2, 3.0.0-alpha3
>         Attachments: YARN-6375-YARN-5355.01.patch, YARN-6375-YARN-5355.02.patch
> 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.
> Consider containers. For a long running app, several containers would start and end at
various times during the lifetime of an app.
> To consider metrics for all the containers throughout the lifetime of app, hence wont
be correct.

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