[GitHub] [kafka] leonardge commented on a change in pull request #8524: KAFKA-9866: Avoid election for topics where preferred leader is not in ISR

[GitBox]

leonardge commented on a change in pull request #8524:
URL: https://github.com/apache/kafka/pull/8524#discussion_r412857024



##########
File path: core/src/main/scala/kafka/controller/KafkaController.scala
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@@ -1066,6 +1066,7 @@ class KafkaController(val config: KafkaConfig,
         // do this check only if the broker is live and there are no 
partitions being reassigned currently
         // and preferred replica election is not in progress
         val candidatePartitions = topicsNotInPreferredReplica.keys.filter(tp 
=> controllerContext.isReplicaOnline(leaderBroker, tp) &&
+          
controllerContext.partitionLeadershipInfo(tp).leaderAndIsr.isr.contains(leaderBroker)
 &&

Review comment:
       Done.




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