ijuma commented on code in PR #13043:
URL: https://github.com/apache/kafka/pull/13043#discussion_r1056478004
##########
core/src/main/scala/kafka/log/LogCleaner.scala:
##########
@@ -681,9 +681,10 @@ private[log] class Cleaner(val id: Int,
// 3) The last entry in the log is a transaction marker. We retain
this marker since it has the
// last producer epoch, which is needed to ensure fencing.
lastRecordsOfActiveProducers.get(batch.producerId).exists {
lastRecord =>
- lastRecord.lastDataOffset match {
- case Some(offset) => batch.lastOffset == offset
- case None => batch.isControlBatch && batch.producerEpoch ==
lastRecord.producerEpoch
+ if(lastRecord.lastDataOffset.isPresent) {
Review Comment:
Nit: space after `if`.
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