junrao commented on a change in pull request #9838:
URL: https://github.com/apache/kafka/pull/9838#discussion_r553511584
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File path: core/src/main/scala/kafka/log/Log.scala
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@@ -2124,13 +2132,15 @@ class Log(@volatile private var _dir: File,
time = time,
initFileSize = initFileSize,
preallocate = config.preallocate))
- updateLogEndOffset(newOffset)
leaderEpochCache.foreach(_.clearAndFlush())
- producerStateManager.truncate()
- producerStateManager.updateMapEndOffset(newOffset)
+ // Clear producer state prior to adjusting log start and end offsets
+ // in case the first unstable offset is invalidated by the truncation.
+ producerStateManager.truncateFullyAndStartAt(newOffset)
maybeIncrementFirstUnstableOffset()
+
updateLogStartOffset(newOffset)
+ updateLogEndOffset(newOffset)
Review comment:
Actually, this is not an issue on second look.
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