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