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https://issues.apache.org/jira/browse/YARN-6888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16146752#comment-16146752
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Hudson commented on YARN-6888:
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SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #12271 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/12271/])
YARN-6888. Refactor AppLevelTimelineCollector such that RM does not have
(varunsaxena: rev 3fb71b1393018e1001da55b794dda7d26491cf35)
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/test/java/org/apache/hadoop/yarn/server/timelineservice/collector/TestNMTimelineCollectorManager.java
* (add)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/collector/AppLevelTimelineCollectorWithAgg.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/collector/PerNodeTimelineCollectorsAuxService.java
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/collector/AppLevelTimelineCollector.java
> Refactor AppLevelTimelineCollector such that RM does not have aggregator
> threads created
> ----------------------------------------------------------------------------------------
>
> Key: YARN-6888
> URL: https://issues.apache.org/jira/browse/YARN-6888
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: timelineserver
> Reporter: Vrushali C
> Assignee: Vrushali C
> Fix For: YARN-5355, YARN-5355-branch-2
>
> Attachments: YARN-6888-YARN-5355.0001.patch
>
>
> Currently both RM and NM use the same AppLevelTimelineCollector class. The NM
> requires aggregator threads per application so that it can perform in memory
> aggregation for application metrics but the RM does not need this. Since they
> share the code, RM has a bunch of "TimelineCollector Aggregation" threads
> created (one per running app).
> Filing jira to refactor AppLevelTimelineCollector such that RM does not have
> aggregator threads created.
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