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https://issues.apache.org/jira/browse/RATIS-650?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16936837#comment-16936837
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Supratim Deka commented on RATIS-650:
-------------------------------------
[~shashikant] patch 004 : rebased the patch over RATIS-670. As mentioned
earlier,
RaftLeaderMetrics.java is a rename of HeartbeatMetrics.java along with
modifications.
> Add metrics to track commit index of each peer in a RaftGroup
> -------------------------------------------------------------
>
> Key: RATIS-650
> URL: https://issues.apache.org/jira/browse/RATIS-650
> Project: Ratis
> Issue Type: Sub-task
> Components: server
> Reporter: Shashikant Banerjee
> Assignee: Supratim Deka
> Priority: Major
> Fix For: 0.4.0
>
> Attachments: RATIS-650.000.patch, RATIS-650.002.patch,
> RATIS-650.003.patch, RATIS-650.004.patch
>
>
> Tracking the RaftLog commit index on each peer in a RaftGroup is useful to
> monitor the performance of the group.
> Simply as an illustrative example : whenever a specific peer starts to lag
> behind the majority, the problem becomes visible to the monitoring agent even
> before the slow follower detection mechanism on the Leader kicks in.
>
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