Most origin servers are drowning in traffic they should never see. I’ve spent over a decade resolving production collapses during high-concurrency events, and nine times out of ten, the root cause isn’t database indexing or slow PHP-FPM pool allocation. It’s...
Our origin database melted at 2 AM last Black Friday. A single misconfigured HTTP response header forced two million requests straight to PHP-FPM instead of being served from the points of presence. Getting your cdn edge caching configuration right is...