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https://issues.apache.org/jira/browse/HDFS-17314?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17802039#comment-17802039
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ASF GitHub Bot commented on HDFS-17314:
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hfutatzhanghb commented on PR #6398:
URL: https://github.com/apache/hadoop/pull/6398#issuecomment-1874945130
Updated with unit test.
> Add a metrics to record congestion backoff counts.
> --------------------------------------------------
>
> Key: HDFS-17314
> URL: https://issues.apache.org/jira/browse/HDFS-17314
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Affects Versions: 3.3.6
> Reporter: farmmamba
> Assignee: farmmamba
> Priority: Major
> Labels: pull-request-available
>
> When we enable congestion backoff, we should better know how many times
> datanodes have told client backoff. This metrics can help us know better
> about congestion function.
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