jolshan commented on a change in pull request #10282:
URL: https://github.com/apache/kafka/pull/10282#discussion_r596251187



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File path: core/src/main/scala/kafka/server/ReplicaManager.scala
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@@ -1369,7 +1377,11 @@ class ReplicaManager(val config: KafkaConfig,
               val requestLeaderEpoch = partitionState.leaderEpoch
               val requestTopicId = topicIds.get(topicPartition.topic)
 
-              if (!partition.checkOrSetTopicId(requestTopicId)) {
+              val (topicIdOpt, partitionLogOpt) = partition.topicIdAndLog
+              if (!checkTopicId(requestTopicId, topicIdOpt, partitionLogOpt)) {

Review comment:
       I suppose one option is to directly associate through 
Partition.createLogIfNotExists when we get or create the partition a few lines 
earlier. We call this in makeLeaders/makeFollowers as well, so it's no extra 
work.




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