OmniaGM commented on code in PR #14790:
URL: https://github.com/apache/kafka/pull/14790#discussion_r1399667766
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core/src/main/scala/kafka/server/ReplicaAlterLogDirsThread.scala:
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@@ -76,13 +82,49 @@ class ReplicaAlterLogDirsThread(name: String,
futureLog.updateHighWatermark(partitionData.highWatermark)
futureLog.maybeIncrementLogStartOffset(partitionData.logStartOffset,
LogStartOffsetIncrementReason.LeaderOffsetIncremented)
- if (partition.maybeReplaceCurrentWithFutureReplica())
- removePartitions(Set(topicPartition))
+ directoryEventHandler match {
+ case DirectoryEventHandler.NOOP =>
+ if (partition.maybeReplaceCurrentWithFutureReplica())
+ removePartitions(Set(topicPartition))
+ case _ =>
+ maybePromoteFutureReplica(topicPartition, partition)
+ }
quota.record(records.sizeInBytes)
logAppendInfo
}
+ // Visible for testing
+ def updatedAssignmentRequestStat(topicPartition: TopicPartition)(state:
DirectoryEventRequestState): Unit = {
+ assignmentRequestStates.put(topicPartition, state)
+ }
+ private def maybePromoteFutureReplica(topicPartition: TopicPartition,
partition: Partition) = {
+ val partitionRequestState =
Option(assignmentRequestStates.get(topicPartition))
+ val topicId = partition.topicId
+ if (topicId.isEmpty)
+ throw new IllegalStateException(s"Topic ${topicPartition.topic()} exists
but its ID doesn't exist.")
+
+ partitionRequestState match {
+ case None =>
+ // Schedule assignment request and don't promote the future replica
yet until the controller accepted the request.
+ partition.maybeFutureReplicaCaughtUp(_ => {
+ partition.futureReplicaDirectoryId()
+ .map {
+ directoryEventHandler.handleAssignment(new
TopicIdPartition(topicId.get, topicPartition.partition()), _,
+ updatedAssignmentRequestStat(topicPartition)(_))
Review Comment:
on second thought, I changed the signature and structure of these callbacks
and did some refactoring. Now AssignmentManager just runs the callback as
runnable when the assignment is completed without explicitly sending the state
`COMPLETE` to the callback method.
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