Bibin A Chundatt created YARN-9618:
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Summary: NodeListManager event improvement
Key: YARN-9618
URL: https://issues.apache.org/jira/browse/YARN-9618
Project: Hadoop YARN
Issue Type: Improvement
Reporter: Bibin A Chundatt
Current implementation nodelistmanager event blocks async dispacher and can
cause RM crash and slowing down event processing.
# Cluster restart with 1K running apps . Each usable event will create 1K
events over all events could be 1k*1k events
# Event processing is blocked till new events are added to queue.
Solution :
# Add another async Event handler similar to scheduler.
# Instead of adding events to dispatcher directly call RMApp event handler.
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