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Posted to hdfs-dev@hadoop.apache.org by "JiangHua Zhu (Jira)" <ji...@apache.org> on 2021/12/22 04:05:00 UTC

[jira] [Created] (HDFS-16394) RPCMetrics increases the number of handlers in processing

JiangHua Zhu created HDFS-16394:
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             Summary: RPCMetrics increases the number of handlers in processing
                 Key: HDFS-16394
                 URL: https://issues.apache.org/jira/browse/HDFS-16394
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: namenode
    Affects Versions: 2.9.2
            Reporter: JiangHua Zhu


When using RPC, we recorded a lot of useful information, such as Queue time, Processing time. These are very helpful.
But we can't know how many handlers are actually working now (only those that handle Call), especially when the Call Queue is very high. This is also not conducive to us optimizing the cluster.
It would be very helpful if we can see the number of handlers being processed in RPCMetrics.



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