[2025-12-22 04:01:21,662] INFO [Controller id=2] Processing automatic preferred replica leader election (kafka.controller.KafkaController)
[2025-12-22 04:01:21,663] TRACE [Controller id=2] Checking need to trigger auto leader balancing (kafka.controller.KafkaController)
[2025-12-22 04:01:21,665] DEBUG [Controller id=2] Topics not in preferred replica for broker 1 HashMap() (kafka.controller.KafkaController)
[2025-12-22 04:01:21,665] TRACE [Controller id=2] Leader imbalance ratio for broker 1 is 0.0 (kafka.controller.KafkaController)
[2025-12-22 04:01:21,665] DEBUG [Controller id=2] Topics not in preferred replica for broker 2 HashMap() (kafka.controller.KafkaController)
[2025-12-22 04:01:21,665] TRACE [Controller id=2] Leader imbalance ratio for broker 2 is 0.0 (kafka.controller.KafkaController)
[2025-12-22 04:01:21,665] DEBUG [Controller id=2] Topics not in preferred replica for broker 3 HashMap() (kafka.controller.KafkaController)
[2025-12-22 04:01:21,665] TRACE [Controller id=2] Leader imbalance ratio for broker 3 is 0.0 (kafka.controller.KafkaController)