[jira] [Created] (HBASE-20450) Provide metrics for number of total active, priority and replication rpc handlers

["Nihal Jain (JIRA)" <ji...@apache.org>]

Nihal Jain created HBASE-20450:
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             Summary: Provide metrics for number of total active, priority and replication rpc handlers
                 Key: HBASE-20450
                 URL: https://issues.apache.org/jira/browse/HBASE-20450
             Project: HBase
          Issue Type: Improvement
          Components: metrics
            Reporter: Nihal Jain


Currently hbase provides a metric for [number of total active rpc handlers|https://github.com/apache/hbase/blob/f4f2b68238a094d7b1931dc8b7939742ccbb2b57/hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/SimpleRpcScheduler.java#L187] which is a sum of the following:
 * number of active general rpc handlers
 * number of active priority rpc handlers
 * number of active replication rpc handlers

I think we can have 3 different metrics corresponding to the above mentioned handlers which will allow us to see detailed information about number of active handlers running for a particular type of handler.

We can have following new metrics:
 * numActiveGeneralHandler
 * numActivePriorityHandler
 * numActiveReplicationHandler

 

 

 



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