hachikuji commented on code in PR #14213:
URL: https://github.com/apache/kafka/pull/14213#discussion_r1297486408


##########
raft/src/main/java/org/apache/kafka/raft/KafkaRaftClient.java:
##########
@@ -2656,6 +2656,12 @@ private void maybeFireLeaderChange(LeaderAndEpoch 
leaderAndEpoch, long epochStar
             // as the listener has caught up to the start of the leader epoch. 
This guarantees
             // that the state machine has seen the full committed state before 
it becomes
             // leader and begins writing to the log.
+            //
+            // Note that the raft client doesn't need to compare nextOffset 
against the high-watermark
+            // to gurantee that the listener has caught up to the 
high-watermark. This is true because

Review Comment:
   nit: guarantee



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