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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