What is
RabbitMQ
?
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At a glance
Attribute | Value |
|---|---|
Primary use case | Reliable asynchronous messaging and event streaming between distributed services |
Deployment type | Self-hosted on cloud infrastructure, on-premises or local machines; managed cloud services also available |
Pricing model | Free/open source under Mozilla Public License 2.0; optional commercial Tanzu RabbitMQ offering with enterprise support |
API compatibility | AMQP 1.0, MQTT 5.0, Management HTTP API |
Supported integrations | Celery, Python, Java, .NET, Perl Net::RabbitMQ, Riemann, Prometheus, Grafana, Docker |
Source type | Open |
Cloud provider | Cloud Agnostic |
Required skills | Application programming, messaging concepts including exchanges and queues, broker installation and configuration, networking, TLS and access controls |
AEP branch | Tooling |
AEP category | Resources |
AEP subcategory | Data |
Profile
Data is the most specific AEP level assigned to RabbitMQ. RabbitMQ is an open-source messaging and streaming broker for communication between applications. It supports standard protocols including AMQP 1.0 and MQTT 5.0, and provides message routing, filtering, streaming, and federation options. Delivery acknowledgments and message replication across a cluster support reliable message handling.
RabbitMQ can be deployed in cloud environments, on-premises, or on local machines. Managed cloud services are also available. The software is free under the Mozilla Public License 2.0; Broadcom also offers a commercial Tanzu RabbitMQ version with enterprise support.
Focus
RabbitMQ is for teams developing distributed microservices, real-time data applications, and IoT systems. It addresses the need to pass messages and events between services while decoupling producers from consumers, buffering load spikes, and allowing consumers to process messages independently.
Its queues support task distribution and request-response patterns, while streams allow multiple applications to read events independently. For intermittent connectivity, a local RabbitMQ node can buffer reports and forward them to an upstream RabbitMQ when a connection becomes available.
Background
The supplied background research does not specify RabbitMQ’s founding date, funding history, or corporate origins. RabbitMQ is free and open-source under the Mozilla Public License 2.0, and its website invites community contributions. Broadcom offers the commercial Tanzu RabbitMQ version, including enterprise support.
Features
Interoperable protocols and clients
RabbitMQ enables applications written in different languages to communicate, with support for standard protocols including AMQP 1.0 and MQTT 5.0. It provides multiple client libraries so applications can connect using a suitable programming language.
Flexible message routing
RabbitMQ lets teams direct messages to one or more consumers according to application needs. Its routing and filtering capabilities use exchanges and queues, and the broker also supports federation and streaming.
Reliable message delivery
RabbitMQ helps protect messages from loss during delivery. Consumers can acknowledge delivery, and messages can be replicated across a cluster; acknowledgments combined with quorum queues can be used when confirmed messages must be safe.
Streams for event consumption
RabbitMQ streams let multiple backend applications read events independently, without duplicating messages. Consumers can move back and forth through a stream, including when there are concurrent consumers.
Deployment flexibility
RabbitMQ can support applications across cloud environments, on-premises infrastructure, and local machines. A standalone node can buffer reports during a network outage and shovel them to an upstream RabbitMQ when connectivity is available.
Production node sizing
AceMQ reports a production minimum per node of 4 CPU cores and 4 GiB RAM. The source specifies that no other data service or I/O-heavy application should run on the host.
Pros and cons
Pros
Supports AMQP 1.0 and MQTT 5.0, with client libraries available for multiple programming languages.
Offers routing, filtering, federation, queues, and streams for different messaging patterns, including service decoupling, RPC, event streaming, and IoT.
Delivery acknowledgments and cluster message replication provide mechanisms for reliable message handling.
Can be deployed on cloud infrastructure, on-premises, or locally; managed cloud services are also available.
The open-source software is free under the Mozilla Public License 2.0.
Cons
Classic queues offer less safety than quorum queues. The RabbitMQ website notes that callers may need to retry, or use acknowledgments with quorum queues when messages must not be lost.
Production deployments require appropriate node resources: AceMQ reports a minimum of 4 CPU cores and 4 GiB RAM per node, and says the host should not run another data service or I/O-heavy application.
FAQs
RabbitMQ FAQs
What are the drawbacks of RabbitMQ?
The RabbitMQ website says callers may need to retry messages sent through classic queues or use acknowledgments with quorum queues when messages must not be lost.
Is RabbitMQ free for commercial use?
RabbitMQ’s open-source software is free under the Mozilla Public License 2.0, and Broadcom also offers a commercial Tanzu RabbitMQ version with enterprise support.
Does RabbitMQ offer 24/7 support?
Broadcom’s commercial Tanzu RabbitMQ offering includes 24/7 expert support from the product’s engineers.
What resources does RabbitMQ require for production?
AceMQ reports a production minimum per RabbitMQ node of 4 CPU cores and 4 GiB RAM. AceMQ says the host should not run another data service or I/O-heavy application.
