Amazon EC2 vCPU-based On-Demand Instance Limits are Now Available in GovCloud (US) Regions

Amazon EC2 is transitioning On-Demand Instance limits from the current instance count-based limits to new vCPU-based limits to simplify the limit management experience for AWS customers. Usage toward the vCPU-based limit is measured in terms of number of vCPUs (virtual central processing units) for the Amazon EC2 Instance Types launched.