AutoPreferredReplicaLeaderElection Controller Event

AutoPreferredReplicaLeaderElection is a controller event that transition the KafkaController to AutoLeaderBalance state.

AutoPreferredReplicaLeaderElection is enqueued (to the ControllerEventManager) exclusively from the auto-leader-rebalance-task.

When processed on a controller broker, AutoPreferredReplicaLeaderElection event checkAndTriggerAutoLeaderRebalance and in the end scheduleAutoLeaderRebalanceTask with the delay as configured using the leader.imbalance.check.interval.seconds property.

AutoPreferredReplicaLeaderElection event is ignored (skipped) when processed on any broker but controller broker.

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