This section lands Apache Kafka and Managed Cloud Kafka's topic booknest.order-events in Iceberg 129 continuously, through a single KRaft broker (Kafka 4.3.1 129 , l1-kafka), a Kafka Connect 129 worker (l1-connect) with the Iceberg 1.12.0 sink, and Spark 129 Structured Streaming (demos/ch08/streaming/).