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Posted to hdfs-issues@hadoop.apache.org by "Aihua Xu (Jira)" <ji...@apache.org> on 2020/12/10 21:32:00 UTC

[jira] [Created] (HDFS-15727) RpcQueueTimeAvgTime of the NameNode increases after it becomes StandBy

Aihua Xu created HDFS-15727:
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             Summary: RpcQueueTimeAvgTime of the NameNode increases after it becomes StandBy
                 Key: HDFS-15727
                 URL: https://issues.apache.org/jira/browse/HDFS-15727
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: hdfs
    Affects Versions: 2.8.2
            Reporter: Aihua Xu
         Attachments: image-2020-12-10-13-30-44-288.png

RpcQueueTimeAvgTime of the NameNode increases after it becomes StandBy. It will get resolved after it gets restarted. Seems there is something incorrect about this metrics.

See the following graph, the NameNode becomes StandBy at 10:13 while RpcQueueTimeAvgTime increases instead.

!image-2020-12-10-13-30-44-288.png!



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