[2026-08-17 05:00:29,649] INFO [Controller id=2] Processing automatic preferred replica leader election (kafka.controller.KafkaController) [2026-08-17 05:00:29,651] TRACE [Controller id=2] Checking need to trigger auto leader balancing (kafka.controller.KafkaController) [2026-08-17 05:00:29,653] DEBUG [Controller id=2] Topics not in preferred replica for broker 1 HashMap() (kafka.controller.KafkaController) [2026-08-17 05:00:29,653] TRACE [Controller id=2] Leader imbalance ratio for broker 1 is 0.0 (kafka.controller.KafkaController) [2026-08-17 05:00:29,653] DEBUG [Controller id=2] Topics not in preferred replica for broker 2 HashMap() (kafka.controller.KafkaController) [2026-08-17 05:00:29,653] TRACE [Controller id=2] Leader imbalance ratio for broker 2 is 0.0 (kafka.controller.KafkaController) [2026-08-17 05:00:29,653] DEBUG [Controller id=2] Topics not in preferred replica for broker 3 HashMap() (kafka.controller.KafkaController) [2026-08-17 05:00:29,653] TRACE [Controller id=2] Leader imbalance ratio for broker 3 is 0.0 (kafka.controller.KafkaController) [2026-08-17 05:05:29,654] INFO [Controller id=2] Processing automatic preferred replica leader election (kafka.controller.KafkaController) [2026-08-17 05:05:29,654] TRACE [Controller id=2] Checking need to trigger auto leader balancing (kafka.controller.KafkaController) [2026-08-17 05:05:29,656] DEBUG [Controller id=2] Topics not in preferred replica for broker 1 HashMap() (kafka.controller.KafkaController) [2026-08-17 05:05:29,656] TRACE [Controller id=2] Leader imbalance ratio for broker 1 is 0.0 (kafka.controller.KafkaController) [2026-08-17 05:05:29,656] DEBUG [Controller id=2] Topics not in preferred replica for broker 2 HashMap() (kafka.controller.KafkaController) [2026-08-17 05:05:29,656] TRACE [Controller id=2] Leader imbalance ratio for broker 2 is 0.0 (kafka.controller.KafkaController) [2026-08-17 05:05:29,656] DEBUG [Controller id=2] Topics not in preferred replica for broker 3 HashMap() (kafka.controller.KafkaController) [2026-08-17 05:05:29,656] TRACE [Controller id=2] Leader imbalance ratio for broker 3 is 0.0 (kafka.controller.KafkaController)