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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