songnon commented on code in PR #13451:
URL: https://github.com/apache/kafka/pull/13451#discussion_r1436331091
##########
core/src/test/scala/unit/kafka/controller/ControllerIntegrationTest.scala:
##########
@@ -572,6 +572,48 @@ class ControllerIntegrationTest extends QuorumTestHarness {
"failed to remove reassign partitions path after completion")
}
+ @Test
+ def
testAutoPreferredReplicaLeaderElectionFollowedByAnotherNewReassignment(): Unit
= {
+ servers = makeServers(4, autoLeaderRebalanceEnable = true)
+ val controller = getController().kafkaController
+ val tp = new TopicPartition("t", 0)
+ val assignment = Map(tp.partition -> Seq(0, 2))
+ TestUtils.createTopic(zkClient, tp.topic, partitionReplicaAssignment =
assignment, servers = servers)
+
+ // Shutdown broker 2 and reassign partition tp from [0, 2] to [1, 0, 2] to
create a stuck reassignment.
Review Comment:
In order to reproduce this issue, broker (0,1) should be always in the
replica set. Maybe it's easier to start with replicas (0, 2, 4) instead of (0,
2), so that the replication factor is always 3. Code has been updated. Could
you help to take a look? Thanks.
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