ahuang98 commented on code in PR #17807: URL: https://github.com/apache/kafka/pull/17807#discussion_r1879075672
########## raft/src/main/java/org/apache/kafka/raft/FollowerState.java: ########## @@ -202,16 +205,34 @@ public void setFetchingSnapshot(Optional<RawSnapshotWriter> newSnapshot) { } @Override - public boolean canGrantVote(ReplicaKey candidateKey, boolean isLogUpToDate) { + public boolean canGrantVote(ReplicaKey replicaKey, boolean isLogUpToDate) { log.debug( "Rejecting vote request from candidate ({}) since we already have a leader {} in epoch {}", - candidateKey, + replicaKey, leaderId, epoch ); return false; } + @Override + public boolean canGrantPreVote(ReplicaKey replicaKey, boolean isLogUpToDate) { + if (hasFetchedFromLeader) { + log.debug( + "Rejecting PreVote request from replica ({}) since we already have a leader {} in epoch {}", + replicaKey, + leaderId, + epoch + ); + return false; + } else if (!isLogUpToDate) { + log.debug( + "Rejecting PreVote request from replica ({}) since replica epoch/offset is not up to date with us", + replicaKey); + } + return isLogUpToDate; + } Review Comment: thanks, trying out something a bit wordier to make it clear, lmk what you think ``` "Rejecting PreVote request from replica ({}) either because we have already fetched from leader {} " + "in epoch {} (hasFetchedFromLeader={}), or because the replica's log is not as up to date with " + "ours (isLogUpToDate={})", ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org