Introduction If you’ve worked in production long enough, you’ve probably heard this: “Let’s right-size the services and reduce the AWS bill.” So we do it. We check CPU and memory metrics for a week. We reduce task sizes. Costs drop. Everyone’s happy. And then…. six months later, the bill increases again....
Introduction When we started with Amazon ECS on AWS Fargate, it felt simple. No EC2 to manage. No AMIs. No cluster scaling headaches. Then the number of services grew. Working for the ad-tech client from last 5 years and running their workload on ECS Fargate has taught us many things. Different traffic patterns. Different...