> for a task blinking in and out of existence for the exact number of milliseconds they’re needed Right, in cases where the capacity needed is so low that "bli

> for a task blinking in and out of existence for the exact number of milliseconds they’re needed Right, in cases where the capacity needed is so low that "blinking out of existence" is a frequent scenario, it is indeed cheaper to rent only those CPU-milliseconds that are needed. But as usage grows, it will fairly quickly exceed the cost of just having dedicated servers.