[jira] [Created] (RATIS-649) Add metrics related to ClientRequests

["Shashikant Banerjee (JIRA)" <ji...@apache.org>]

Shashikant Banerjee created RATIS-649:
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             Summary: Add metrics related to ClientRequests 
                 Key: RATIS-649
                 URL: https://issues.apache.org/jira/browse/RATIS-649
             Project: Ratis
          Issue Type: Sub-task
          Components: server
    Affects Versions: 0.4.0
            Reporter: Shashikant Banerjee
            Assignee: Shashikant Banerjee


Following metrics would be good to have to measure the load and the processing time of client requests:

 
|numReadRequestCount|Number of read type requests received on the leader|
|numWriteRequestCount|Number of write type requests received on the leader|
|numWatchForMajorityRequestCount|Number of Watch for Majority type requests received on the leader. 
 |
|numWatchForAllRequestCount|Number of Watch for All type requests received on the leader.|
|raftClientReadRequestLatency|Time required to process read type requests |
|raftClientWriteRequestLatency|Time required to process write type requests|
|raftClientWatchForMajority|Time required to process WatchForMajority requests|
|raftClientWatchForAllRequests|Time required to process WatchForAll requests|
|requestQueueLimitHitCount|Number of times the no of pending requests in the leader hit the configured limit.|
|numRequestRetryCacheHitCount|No of of Request Retry Cache hits. This gives an idea of retries via Raft clients because of request timeouts or exceptions.|



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