Day 12 of 14 35 minRabbitMQDead lettersOutbox
Compare Kafka with RabbitMQ and learn when to choose each. Then learn three patterns every Kafka system needs - retries with a dead-letter topic, the outbox pattern for reliable publishing, and choosing what to put in an event.
By the end of today you can
- Explain how RabbitMQ's exchanges, queues and acknowledgements work
- Choose between Kafka and RabbitMQ for a given job
- Handle failing messages with retries and a dead-letter topic
- Explain the dual-write problem and solve it with the outbox pattern
- Choose between notification events and events that carry state
What's inside
- 5 sections
- 4 diagrams and mind maps
- 3 code examples you can run
- 5-question quiz
- 1How RabbitMQ works
- 2Kafka or RabbitMQ?
- 3Pattern 1: retries and a dead-letter topic
- 4Pattern 2: the outbox
- 5Pattern 3: what to put in an event
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