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https://issues.apache.org/jira/browse/YARN-6888?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vrushali C updated YARN-6888:
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Attachment: YARN-6888-YARN-5355.0001.patch
Attaching v001.
Created subclass AppLevelTimelineCollectorWithAgg that handles the thread
related agg stuff. Creating this class in the NM and keeping the earlier
AppLevelTimelineCollector class in RM.
> 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
> 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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