Hangleton commented on code in PR #14649:
URL: https://github.com/apache/kafka/pull/14649#discussion_r1377591869


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core/src/main/scala/kafka/log/UnifiedLog.scala:
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@@ -1754,6 +1754,7 @@ class UnifiedLog(@volatile var logStartOffset: Long,
         leaderEpochCache.foreach(_.clearAndFlush())
         producerStateManager.truncateFullyAndStartAt(newOffset)
         logStartOffset = logStartOffsetOpt.getOrElse(newOffset)
+        if (remoteLogEnabled()) maybeIncrementLocalLogStartOffset(newOffset, 
LogStartOffsetIncrementReason.SegmentDeletion)

Review Comment:
   Actually is this really the right place to update the local log start 
offset? The replica fetcher tier state machine already calls 
`maybeIncrementLogStartOffset` from 
[here](https://github.com/apache/kafka/blob/trunk/core/src/main/java/kafka/server/ReplicaFetcherTierStateMachine.java#L233).
 I guess we can add the call to `maybeIncrementLocalLogStartOffset` there too?



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