jolshan commented on a change in pull request #11171:
URL: https://github.com/apache/kafka/pull/11171#discussion_r682739288
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File path: core/src/main/scala/kafka/cluster/Partition.scala
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@@ -313,14 +313,20 @@ class Partition(val topicPartition: TopicPartition,
}
def createLogIfNotExists(isNew: Boolean, isFutureReplica: Boolean,
offsetCheckpoints: OffsetCheckpoints, topicId: Option[Uuid]): Unit = {
- isFutureReplica match {
- case true if futureLog.isEmpty =>
- val log = createLog(isNew, isFutureReplica, offsetCheckpoints, topicId)
+ val logOpt = if (isFutureReplica) futureLog else log
+ if (logOpt.isEmpty) {
+ val log = createLog(isNew, isFutureReplica, offsetCheckpoints, topicId)
+ if (isFutureReplica)
this.futureLog = Option(log)
- case false if log.isEmpty =>
- val log = createLog(isNew, isFutureReplica, offsetCheckpoints, topicId)
+ else
this.log = Option(log)
- case _ => trace(s"${if (isFutureReplica) "Future Log" else "Log"}
already exists.")
+ } else {
+ trace(s"${if (isFutureReplica) "Future Log" else "Log"} already exists.")
+ logOpt.foreach { log =>
+ if (log.topicId.isEmpty) {
Review comment:
I'm a little unsure what you mean by topicId is consistent here. (There
would have been no log/topic ID in log to compare to). We can add an extra
check in assign topic ID to ensure there is no way to assign inconsistently.
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