[jira] [Created] (HDFS-16683) All method metrics related to the rpc protocol should be initialized

["Shuyan Zhang (Jira)" <ji...@apache.org>]

Shuyan Zhang created HDFS-16683:
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             Summary: All method metrics related to the rpc protocol should be initialized
                 Key: HDFS-16683
                 URL: https://issues.apache.org/jira/browse/HDFS-16683
             Project: Hadoop HDFS
          Issue Type: Bug
         Environment: When an RPC protocol is used, the metric of protocol-related methods should be initialized; otherwise, metric information will be incomplete. For example, when we call HAServiceProtocol#monitorHealth(), only the metric of monitorHealth() are initialized, and the metric of transitionToStandby() are still not reported. This incompleteness caused a little trouble for our monitoring system.
The root cause is that the parameter passed by RpcEngine to MutableRatesWithAggregation#init(java.lang.Class<?>)  is always XXXProtocolPB, which is inherited from BlockingInterface and does not implement any methods. We should fix this bug.
            Reporter: Shuyan Zhang






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