[2026-04-06 05:04:03,635] INFO [Controller id=3] Processing automatic preferred replica leader election (kafka.controller.KafkaController) [2026-04-06 05:04:03,636] TRACE [Controller id=3] Checking need to trigger auto leader balancing (kafka.controller.KafkaController) [2026-04-06 05:04:03,638] DEBUG [Controller id=3] Topics not in preferred replica for broker 1 HashMap() (kafka.controller.KafkaController) [2026-04-06 05:04:03,638] TRACE [Controller id=3] Leader imbalance ratio for broker 1 is 0.0 (kafka.controller.KafkaController) [2026-04-06 05:04:03,638] DEBUG [Controller id=3] Topics not in preferred replica for broker 2 HashMap() (kafka.controller.KafkaController) [2026-04-06 05:04:03,638] TRACE [Controller id=3] Leader imbalance ratio for broker 2 is 0.0 (kafka.controller.KafkaController) [2026-04-06 05:04:03,638] DEBUG [Controller id=3] Topics not in preferred replica for broker 3 HashMap() (kafka.controller.KafkaController) [2026-04-06 05:04:03,638] TRACE [Controller id=3] Leader imbalance ratio for broker 3 is 0.0 (kafka.controller.KafkaController)