Message Queues Gone Wrong: When to Reach for RabbitMQ and When Kafka Will Eat Your Lunch

madking.direct@gmail.com (Mad King) — Wed, 17 Jun 2026 00:00:00 +0000

Every system eventually needs to talk to itself. Order here, process there, notify someone, retry on failure, repeat. Messaging is how you stitch services together without hardcoding them into each other.

Two names come up every time: RabbitMQ and Kafka.

Both move messages. Both decouple producers from consumers. Both are “just queues” until you’ve built something on top of them and realised they’re not.

This is how to pick between them. And more importantly, how to stop picking the wrong one out of habit.

Kafka on Mad Blog

Message Queues Gone Wrong: When to Reach for RabbitMQ and When Kafka Will Eat Your Lunch