How to Choose the Right EC2 Instance for Your Application Stack

“Choosing the right EC2 instance can be tricky. If you’ve tried spinning up the same application in different regions, which is business as usual when it comes to cross-region disaster recovery, you know not every instance is always available in different regions. As a result, the challenge is to find an available EC2 instance that most closely meets your needs. While the AWS documentation does point you in the right direction, the information you need to make an educated decision is scattered across several pages…”

https://www.cloudendure.com/blog/choose-right-ec2-instance/