Why Web Systems Collapse Under Real Load — and Why We Keep Believing the Benchmarks “In the lab, PHP served 12 million operations per second. In production, it barely reaches 500 requests per second.” This is not an exaggeration. It is the difference between the controlled environment and the real world . Every week, we are fed magical numbers: “Redis does 100,000 ops/sec” , “Node.js handles thousands of concurrent connections” , “Laravel is fast and secure.” But when ...