Outbox Pattern for Reliable Event Publishing
GENERALArchitecture
About This Architecture
Solving the dual-write problem in microservices. Order and event written atomically to orders table and outbox table in a single DB transaction. Debezium CDC tails the WAL, publishes to Kafka. Downstream services consume with idempotency keys. Dead Letter Queue for failed processing.
Architecture prompt
Solving the dual-write problem in microservices. Order and event written atomically to orders table and outbox table in a single DB transaction. Debezium CDC tails the WAL, publishes to Kafka. Downstream services consume with idempotency keys. Dead Letter Queue for failed processing.
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