[jira] [Created] (HBASE-16561) Add metrics about read/write/scan queue length and active handler count

["Guanghao Zhang (JIRA)" <ji...@apache.org>]

Guanghao Zhang created HBASE-16561:
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             Summary: Add metrics about read/write/scan queue length and active handler count
                 Key: HBASE-16561
                 URL: https://issues.apache.org/jira/browse/HBASE-16561
             Project: HBase
          Issue Type: Improvement
          Components: IPC/RPC, metrics
            Reporter: Guanghao Zhang
            Priority: Minor


Now there are only metrics about total queue length and active rpc handler count. But for the RWQueueRpcExecutor, we can have different queues and handlers for read/write/scan request. I thought it is necessary to add more metrics for RWQueueRpcExecutor. When use it in production cluster, we can adjust the config of queues and handlers according to the metrics.



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