对于已迁移到 AutoMQ 的 Producer，其发送的所有数据会立即回传至源 Kafka 集群，确保即使发生问题，也能安全回滚至旧集群。 因此，Producer 始终保持在 "可发送状态"，无论写入 AutoMQ 还是 Kafka，最终都能被消费者从 Kafka 中读到。

Kafka APIs serve as the foundation for building robust, scalable data streaming applications. These interfaces enable developers to produce, consume, and process real-time data streams with high ...

This tutorial is organized in the following sections. As seen in the diagram below, there are source systems that produce events (i.e. write data to Kafka) and target systems that will consume events.