Linux & Web Server Infrastructure
Troubleshooting Nginx and PHP-FPM FastCGI Cache Stampedes, Set-Cookie Poisoning, and Cache Lock Contention Runbook
An exhaustive Linux sysadmin runbook for diagnosing and resolving Nginx FastCGI cache stampedes (dog-piling), cache lock serialization bottlenecks, Set-Cookie header poisoning, and microcaching lock contention.
