ahuang98 commented on code in PR #18240:
URL: https://github.com/apache/kafka/pull/18240#discussion_r1901142655
##########
raft/src/main/java/org/apache/kafka/raft/KafkaRaftClient.java:
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@@ -550,9 +550,10 @@ public void initialize(
onBecomeFollower(currentTimeMs);
}
- // When there is only a single voter, become candidate immediately
- if (quorum.isOnlyVoter() && !quorum.isCandidate()) {
- transitionToCandidate(currentTimeMs);
+ // When there is only a single voter, become prospective immediately.
+ // transitionToProspective will handle short-circuiting voter to
candidate state
+ if (quorum.isOnlyVoter() && !quorum.isNomineeState() &&
!quorum.isLeader()) {
Review Comment:
Discussed offline, we can instead check if replica is Unattached or
Follower. Merged this into the above conditional as well for better
organization.
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