This is sort of what quotas enforce, and most cloud services have quotas. You ask for an increased quota if you reach the current one, or the system might somet

This is sort of what quotas enforce, and most cloud services have quotas. You ask for an increased quota if you reach the current one, or the system might sometimes automatically increase it if it thinks you will need it. This all trades off though against the possibility of bringing down one of your customers when they are hitting peak sales on their website, which is a very bad look.