> It would be nice to have the controller try to find that number, this PID approach just tries to scale more if there's more input. Right, it should base the

> It would be nice to have the controller try to find that number, this PID approach just tries to scale more if there's more input. Right, it should base the feedback on throughput measures instead. If throughput starts dropping, then the threadpool is overcommitted, and should scale back. I believe the SEDA papers mentioned in the README discusses this as backpressure.