Quorum queues provide the replication capability to ensure high data availability and security. They can replicate queue data between RabbitMQ nodes, ensuring that queues can still run when a node breaks down. In Quorum queues, messages are written on the disk for Persistence. You need at least a Three-Node Cluster to Use Quorum queues.
Quorum queues are designed to be safer and provide simpler, well-defined failure-handling semantics that users should find easier to reason about when designing and operating their systems.
Quorum queues can detect network failures faster and recover quicker than classic mirrored queues, thus improving the resiliency of the message broker as a whole.
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