jsancio commented on a change in pull request #11216:
URL: https://github.com/apache/kafka/pull/11216#discussion_r689937435
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File path: core/src/test/scala/integration/kafka/server/KRaftClusterTest.scala
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@@ -410,6 +421,32 @@ class KRaftClusterTest {
}
}
+ private def checkReplicaManager(cluster: KafkaClusterTestKit,
expectedHosting: List[(Int, List[Boolean])]): Unit = {
+ for ((brokerId, partitionsIsHosted) <- expectedHosting) {
+ val broker = cluster.brokers().get(brokerId)
+ // lock and unlock so we can read the replica manager
Review comment:
I think we need to do this because `var replicaManager` in
`BrokerServer` is set in a different thread by `KafkaClusterTestKit`. If my
understanding of Java Memory Model is correct we need to lock/synchronize so
that we force a memory barrier.
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