Xiaolin Talks Programming

Jul 16, 2026 · Backend Development

CDC + Outbox Pattern: Production-Grade Cross-Database Sync with Spring Boot & Kafka

This article details a production-ready cross-database synchronization architecture using CDC and Outbox pattern with Spring Boot, Debezium, and Kafka, covering schema design, connector configuration, transaction boundaries, ordering guarantees, idempotent consumption, dead-letter queues, and monitoring strategies.