Also, single consumer for SQS? Completely wrong. It is a common pattern to autoscale a group of workers based on the number of visible messages in a queue. Hund

Also, single consumer for SQS? Completely wrong. It is a common pattern to autoscale a group of workers based on the number of visible messages in a queue. Hundreds or thousands of workers are not out of the question. SQS has no practical limit to its ability to scale.