[jira] [Commented] (RATIS-651) Add metrics related to leaderElection and HeartBeat

["Aravindan Vijayan (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/RATIS-651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16914513#comment-16914513 ] 

Aravindan Vijayan commented on RATIS-651:
-----------------------------------------

Added the first version of the patch for comments. I can work on adding more tests. 

> Add metrics related to leaderElection and HeartBeat
> ---------------------------------------------------
>
>                 Key: RATIS-651
>                 URL: https://issues.apache.org/jira/browse/RATIS-651
>             Project: Ratis
>          Issue Type: Sub-task
>          Components: server
>    Affects Versions: 0.4.0
>            Reporter: Shashikant Banerjee
>            Assignee: Aravindan Vijayan
>            Priority: Major
>         Attachments: RATIS-651-000.patch
>
>
> Following metrics would be helpful to determine the leader election events and timeouts:
>  
> |numLeaderElections|Number of leader elections since the creation of ratis pipeline|
> |numLeaderElectionTimeouts|Number of leader election timeouts or failures|
> |LeaderElectionCompletionLatency|Time required to complete a leader election|
> |MaxNoLeaderInterval|Max time where there has been no elected leader in the raft ring|
> |heartBeatMissCount|No of times heartBeat response is missed from a server |



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