dajac commented on a change in pull request #8724:
URL: https://github.com/apache/kafka/pull/8724#discussion_r435076849
##########
File path: core/src/main/scala/kafka/controller/ControllerContext.scala
##########
@@ -391,6 +404,90 @@ class ControllerContext {
partitionsForTopic(topic).filter { partition =>
states.contains(partitionState(partition)) }.toSet
}
+ def putPartitionLeadershipInfo(partition: TopicPartition,
+ leaderIsrAndControllerEpoch:
LeaderIsrAndControllerEpoch): Unit = {
+ val previous = partitionLeadershipInfo.put(partition,
leaderIsrAndControllerEpoch)
+ val replicaAssignment = partitionFullReplicaAssignment(partition)
+ updatePreferredReplicaImbalanceMetric(partition, Some(replicaAssignment),
previous,
+ Some(replicaAssignment), Some(leaderIsrAndControllerEpoch))
+ }
+
+ def partitionLeadershipInfo(partition: TopicPartition):
Option[LeaderIsrAndControllerEpoch] = {
+ partitionLeadershipInfo.get(partition)
+ }
+
+ def partitionsLeadershipInfo(): Iterable[(TopicPartition,
LeaderIsrAndControllerEpoch)] = {
+ partitionLeadershipInfo
+ }
+
+ def partitionsWithLeaders(): Set[TopicPartition] = {
+ partitionLeadershipInfo.keySet
+ }
+
+ def partitionsWithoutLeaders(): Set[TopicPartition] = {
+ partitionLeadershipInfo.filter { case (topicPartition,
leaderIsrAndControllerEpoch) =>
+ !isReplicaOnline(leaderIsrAndControllerEpoch.leaderAndIsr.leader,
topicPartition) &&
+ !isTopicQueuedUpForDeletion(topicPartition.topic)
+ }.keySet
+ }
+
+ def partitionLeadsOnBroker(brokerId: Int): Set[TopicPartition] = {
Review comment:
That makes sense.
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