stanislavkozlovski commented on a change in pull request #9065:
URL: https://github.com/apache/kafka/pull/9065#discussion_r459596274
##########
File path: core/src/main/scala/kafka/cluster/Partition.scala
##########
@@ -678,11 +678,13 @@ class Partition(val topicPartition: TopicPartition,
isr: Set[Int],
addingReplicas: Seq[Int],
removingReplicas: Seq[Int]): Unit = {
- remoteReplicasMap.clear()
+ val replicaSet = assignment.toSet
+ val removedReplicas = remoteReplicasMap.keys -- replicaSet
+
assignment
.filter(_ != localBrokerId)
.foreach(id => remoteReplicasMap.getAndMaybePut(id, new Replica(id,
topicPartition)))
-
+ removedReplicas.foreach(remoteReplicasMap.remove)
Review comment:
`remoteReplicasMap --= removedReplicas` doesn't compile - the
`remoteReplicasMap` is using a Kafka `Pool` class which itself is using a Java
Map and I don't think they support the `--=` notation
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