So if you have 100 servers running EC2 at 99% compacity, they turn off all the other machines? That doesn't sound correct. I imagine they have a good buffer and

So if you have 100 servers running EC2 at 99% compacity, they turn off all the other machines? That doesn't sound correct. I imagine they have a good buffer and then maybe there is a subset that are powered down. I don't think you can power up a machine, launch the kernal VZ layer, connect to AWS and broadcast yourself, and what ever else it does in the 20 seconds it takes for a EC2 instance to be allocated to you, so there has to be a good buffer for people launching/tearing down EC2s constantly. So basically there may be a few servers difference. So we are talking like a few kws, which is basically like 40 cents power wise using 4 cents a kwh.