Auto Scaling Groups

Summary

Automatically adding or removing VM instances based on demand — a core mechanism for handling variable traffic without manual intervention, paired with a load balancer to distribute traffic to new instances.

• 1Set up an auto scaling group with a minimum, maximum, and desired instance count.
• 2Configure a scaling policy based on a metric like CPU utilization.
• 3Learn why auto scaling groups are almost always paired with a load balancer.