Creating a simple cluster
Setting up a cluster with RabbitMQ is a matter of a few minutes. With just a few configuration steps, the high-availability cluster is up and running.
It's actually easier than setting it up locally, as seen in the Creating a localhost cluster recipe, since each node will use the standard port settings.
In order to prepare this recipe, you need at least two hosts with RabbitMQ installed and configured as standalone brokers.
For the cluster to work properly, it's important that the versions of both RabbitMQ and Erlang are aligned on all the hosts.
The hosts can be physical servers, cloud instances, or virtual machines.
The Amazon Web Services (AWS) community AMI's with preinstalled RabbitMQ are usually outdated. ...