Don't jump to conclusion too fast. Enable safethreading and you will likely go to 2 or 3 instances, due to the many small requests you have. You may even go to

Don't jump to conclusion too fast. Enable safethreading and you will likely go to 2 or 3 instances, due to the many small requests you have. You may even go to 1 or 2 instances when they have finished optimizing their scheduler. So who knows, you may even end up with a lower monthly bill!!