Earlier quoted context omitted.
A lot of people are in denial that there isn't using some magic efficiency to cloud services that other datacenters don't have. Primary cost savings on cloud VM's is from overprovisioning. The more abstracted away the service is from the hardware, the more they can overprovision without customers noticing. The 50%+ profit margins have to be coming from somewhere. AWS is not made of magic, it's made from largely the s…
This is just factually incorrect. AWS hard partitions all instance types, except T2 (which are overcommitted, and clearly advertised as such: "burstable"). So, if you provision an x1.32xlarge with 128 vCPU and 1.92TB of RAM, you get a single, dedicated host with that much CPU and memory. Nobody else gets it - it's dedicated to you 100%. The profit AWS is making is purely due to datacenter efficiency and being able to…
What is a vCPU?