GuvScale is a governor for your Heroku workers: It automatically scales the numbers of workers based on the number of pending jobs in your RabbitMQ queue.
Variable loads? Don’t know how many servers you need? Woken up just to start more servers? Let robots do the tedious work for you!
Most backend services only utilize around 10% of the capacity paid for, the service is overprovisioned to handle periods of high traffic. GuvScale will automatically scale the number of workers down in periods of low traffic,