Amazon Improves Diagonal Scaling Support with High-CPU Instances

Now you can buy more cores on EC2 without adding more machines:
  • The High-CPU Medium Instance is billed at $0.20 (20 cents) per hour. It features 1.7 GB of memory, 5 EC2 Compute Units (2 virtual cores with 2.5 EC2 Compute Units Each), and 350 GB of instance storage, all on a 32-bit platform.
  • The High-CPU Extra Large Instance is billed at $0.80 (80 cents) per hour. It features 7 GB of memory, 20 EC2 Compute Units (8 virtual cores with 2.5 EC2 Compute Units each), and 1,690 GB of instance storage, all on a 64-bit platform.

    Diagonal Scaling is making a site faster by removing machines. More on this intriguing idea in Diagonal Scaling - Don't Forget to Scale Out AND Up.