Ever had to troubleshoot a mysterious S3 performance issue right before a critical deployment? Or explain to your boss why the AWS bill suddenly doubled? If you're nodding along, you're not alone. Amazon S3 is deceptively simple; easy to set up, but challenging to optimize and monitor effectively. The key to getting control of your S3 infrastructure lies in understanding and leveraging CloudWatch metrics. As an S3 administrator, you're already juggling storage classes, lifecycle policies, and...