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by sgarland 925 days ago
If you already have a DB (and essentially every app does), it can be far less effort with the same or greater reliability to create a queue table than to set up RabbitMQ, NATS, etc. As long as you tune the vacuuming appropriately, it will last for quite a lot of scale.

Source: am a DBRE, and have ran self-hosted RabbitMQ and NATS clusters.