Yufei Gu created YARN-7229:
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Summary: Add the metric for size of event queue in AsyncDispatcher
Key: YARN-7229
URL: https://issues.apache.org/jira/browse/YARN-7229
Project: Hadoop YARN
Issue Type: Improvement
Components: metrics, nodemanager, resourcemanager
Affects Versions: 3.1.0
Reporter: Yufei Gu
The size of event queue in AsyncDispatcher is a good point to monitor daemon
performance. Let's make it a RM metric.
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