Event-Driven Microservices: Kafka or RabbitMQ?

Tech Talks Aug 12, 2025Updated: Dec 06, 2025
Event-Driven Microservices: Kafka or RabbitMQ?

Use cases, design decisions, anti-patterns

We compare Kafka and RabbitMQ in terms of throughput, retention, flexibility, and operational costs.

“Make your decision based on workload and team competencies; Each vehicle's strengths are different.”

Event-Driven Microservices

Event-driven approach in modern architectures; Loose bonding provides scale and durability. The two most frequently discussed options are: Apache Kafka and RabbitMQ.

When is Kafka?

  • High throughput, stream processing, long-term retention
  • Event replay and consumer groups

When is RabbitMQ?

  • Transaction-oriented queues, routing, and flexible ACK models
  • Simpler setup and management

Anti-Patterns

  • Embedding large JSON in the event payload; not doing schema management
  • Scale the consumer without establishing idempotency

decision; It should be given together with the workload characteristics and the competencies of your operations team.

Put these ideas to work in your business.

Interested in a topic? Let’s look at your processes and explore possible solutions together.

Get in touch
Event-Driven Microservices: Kafka or RabbitMQ?