All technological notes.
Auto Scaling GroupIn the cloud, you can create and get rid of servers very quickly
The goal of an Auto Scaling Group (ASG) is to:
load balancerThe Auto Scaling Group can’t go over the maximum capacity (you configured) during scale-out events.

Auto Scaling Group to determine the EC2 instances’ health based on Application Load Balancer Health Checks instead of EC2 Status Checks (default).
A Launch Template (older “Launch Configurations” are deprecated)

Metrics such as Average CPU are computed for the overall ASG instances







Target Tracking Scaling
Simple / Step Scaling

Good metrics to scale on
RequestCountPerTarget:







