junrao commented on a change in pull request #11255:
URL: https://github.com/apache/kafka/pull/11255#discussion_r698849242
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File path: core/src/main/scala/kafka/controller/KafkaController.scala
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@@ -628,9 +628,9 @@ class KafkaController(val config: KafkaConfig,
topicDeletionManager.failReplicaDeletion(newOfflineReplicasForDeletion)
}
- // If replica failure did not require leader re-election, inform brokers
of the offline brokers
+ // If no partitions are affected, inform brokers of the offline brokers
// Note that during leader re-election, brokers update their metadata
- if (partitionsWithOfflineLeader.isEmpty) {
+ if (newOfflineReplicas.isEmpty ||
(newOfflineReplicasNotForDeletion.isEmpty &&
partitionsWithOfflineLeader.isEmpty)) {
Review comment:
I think we only need to check the return result of
`partitionStateMachine.triggerOnlinePartitionStateChange()`.
`partitionStateMachine.handleStateChanges(partitionsWithOfflineLeader.toSeq,
OfflinePartition)` doesn't generate any updateMetadataRequest.
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