Vrushali C created YARN-6888:
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Summary: 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
Reporter: Vrushali C
Assignee: Vrushali C
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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