cmccabe commented on code in PR #13643:
URL: https://github.com/apache/kafka/pull/13643#discussion_r1264232306


##########
metadata/src/main/java/org/apache/kafka/controller/QuorumController.java:
##########
@@ -1076,10 +1073,10 @@ public void handleLeaderChange(LeaderAndEpoch 
newLeader) {
                         renounce();
                     }
                 } else if (newLeader.isLeader(nodeId)) {
-                    log.info("Becoming the active controller at epoch {}, 
committed offset {}, " +
-                        "committed epoch {}", newLeader.epoch(), 
lastCommittedOffset,
-                        lastCommittedEpoch);
-                    claim(newLeader.epoch());
+                    long newLastWriteOffset = endOffset - 1;

Review Comment:
   The endOffset comes directly from the log and is as described... the end 
offset (exclusive).
   
   Thinking about it more, I don't think I need to assume that it's committed, 
so I won't.
   
   But it is used to calculate the next offset that the active controller 
should try to write to.



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