Hard limits, scaling lags, and the architectural walls that no support ticket can fix.Your pager fires at 3:12 AM. Users are getting 503s. You check the dashboard — Lambda is throttling at 1,000 concurrent executions. You open a quota increase request and see the estimated response time: 1–3 business days. It is Saturday. This is the moment you learn the difference between a soft limit and a hard wall.The Two Categories of AWS Limits That MatterEvery AWS account ships with two kinds of limits, a...