Wei Yan created YARN-7844:
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Summary: Expose metrics for scheduler operation (allocate,
schedulerEvent) to JMX
Key: YARN-7844
URL: https://issues.apache.org/jira/browse/YARN-7844
Project: Hadoop YARN
Issue Type: Improvement
Components: scheduler
Reporter: Wei Yan
Assignee: Wei Yan
Currently FairScheduler's FSOpDurations records some scheduler operation
metrics: nodeUpdateCall, preemptCall, etc. We may need similar for
CapacityScheduler. Also, need to add more metrics there. This could help
monitor the RM scheduler performance, and get more insights whether scheduler
is under-pressure.
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