node type arbiter?

[tamalsaha]

Is it possible to use this raft library to introduce members which will only participate in voting but will never become leader? The use case for such arbiter nodes is to facilitate quorum but also potentially optimizes other resources (such as disk space etc.) for a large db.

Thanks

[joshuazh-x]

So far this is not supported in raft. However, I wonder if you can try some workaround such as setting the follower-only node's election timeout to a practical infinite number. I did not try that before, but it might work.

[visit1985]

At least in etcd, the upper limit of election timeout is 50000ms (50s).