Comparison: Apache Kafka VS RabbitMQ

Written by Johan Rhodin

We frequently get asked what the differences are between RabbitMQ and Apache Kafka. Our sister service CloudAMQP is operating and providing support to the largest fleet of RabbitMQ clusters in the world, so we have some insights to share.

Rabbitmq VS Kafka

In the table below we've outlined the biggest differences and similarities between Apache Kafka and RabbitMQ.

RabbitMQ Apache Kafka
What it is? RabbitMQ is a solid, mature, general purpose message broker that supports several standardized protocols such as AMQP Apache Kafka is a message bus optimized for high-ingress data streams and replay
Primary use High-throughput and reliable background jobs, communication and integration within, and between applications. Build applications that process and re-process streamed data on disk
License Open Source: Mozilla Public License Open Source: Apache License 2.0
Written in Erlang Scala (JVM)
Client libraries Many mature libraries, including: Ruby, Python, Node.js, Clojure, Go, Java and C Many, including: Ruby, Python, Node.js and Java
Support for HA Yes Yes
Federated queues Yes No
Complex routing scenarios Yes No
Scaling strategies Mostly vertical Built from the ground up with horizontal scaling in mind
Hosted solution & Enterprise Support Available at CloudAMQP CloudAMQP - Rabbitmq Available at CloudKarafka CloudKarafka - Apache Kafka

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Contact us and we can guide you along the road, independent of if that road leads towards Apache Kafka, or RabbitMQ. We've been providing both services for years and have unmatched operation experience from a huge range of customers. There's no scaling or implementation problem we can't solve.