I agree. Some monitoring is needed, if spinning up additional workers doesn't help (the bottleneck isn't CPU), then profile one of your workers, and find out w

I agree. Some monitoring is needed, if spinning up additional workers doesn't help (the bottleneck isn't CPU), then profile one of your workers, and find out what the bottleneck is, and fix it. Is one job spending lots of time waiting on a DB query? Add an index. I suppose queues aren't really the problem so much as using a queue to decouple your systems so you don't have to think about the slow parts. If you decouple things, you still need monitoring.