[
https://issues.apache.org/jira/browse/RATIS-650?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Supratim Deka updated RATIS-650:
--------------------------------
Description:
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.
was:
Following metric indicates by how much each follower lags the leader with
respect to the log commit index.
|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|
> 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
>
>
> 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.
>
--
This message was sent by Atlassian Jira
(v8.3.2#803003)
