tomscut created HDFS-16376:
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Summary: Expose metrics of NodeNotChosenReason to JMX
Key: HDFS-16376
URL: https://issues.apache.org/jira/browse/HDFS-16376
Project: Hadoop HDFS
Issue Type: New Feature
Reporter: tomscut
Assignee: tomscut
Attachments: image-2021-12-09-23-48-42-865.png
In our cluster, we can see logs for nodes that are not chosen. But it's hard to
see the percentages in each reason from the logs. It is best to add relevant
metrics to monitor the entire cluster.
!image-2021-12-09-23-48-42-865.png|width=517,height=187!
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