Max Xie created YARN-11587:
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Summary: Fix the possible issue of duplicate registration in the
metrics queue.
Key: YARN-11587
URL: https://issues.apache.org/jira/browse/YARN-11587
Project: Hadoop YARN
Issue Type: Bug
Components: yarn
Affects Versions: 3.4.0
Environment: 3.3.0
Reporter: Max Xie
Fix For: 3.4.0
Attachments: image-2023-10-08-15-12-49-688.png
In our cluster, there has been an issue of duplicate registration of queue
metrics, causing the Resourcemanager to fail and exit. Through code analysis,
it is possible that adding the synchronized keyword is required when
registering the metrics queue method. !image-2023-10-08-15-12-49-688.png!
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