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Posted to hdfs-dev@hadoop.apache.org by "farmmamba (Jira)" <ji...@apache.org> on 2024/01/01 09:26:00 UTC

[jira] [Created] (HDFS-17314) Add a metrics to record congestion backoff counts.

farmmamba created HDFS-17314:
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             Summary: 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


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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