[jira] [Created] (RATIS-650) Add metrics related to leader and follower commits

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

Shashikant Banerjee created RATIS-650:
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             Summary: Add metrics related to leader and follower commits
                 Key: RATIS-650
                 URL: https://issues.apache.org/jira/browse/RATIS-650
             Project: Ratis
          Issue Type: Sub-task
          Components: server
            Reporter: Shashikant Banerjee
            Assignee: Shashikant Banerjee
             Fix For: 0.4.0


Following metrics would be useful for measuring how each server is performing with respect to the incoming load as well as with respect to its peers in terms of discrepancies with respect to the commit indices.
|appliedIndexToCommitIndexDiff|The difference between lastApplied Index and log commit Index on each of Ratis server. This will give an indication of how the stateMachine is behaving with respect to the incoming load.|
|raftServerCommitIndexDiff|difference between the next commitIndex between a leader and each of its peer. This will give an idea at what of point of time a follower lags/catches up with respect to leader|

 



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