I don't know if the 350k hits run that script, let's say they did. The OP is praising the performance of lighttpd + php5-fpm, but the script actually spawns an

I don't know if the 350k hits run that script, let's say they did. The OP is praising the performance of lighttpd + php5-fpm, but the script actually spawns an external process to search for the UUID. That's like running an old GGI that needs to be executed with every request. I may be wrong but using lighttpd and php5-fpm (with fastcgi) may not be as relevant as it seems. I'd say that the operating system is caching everything. EDIT: yes, php-fom is "a simple and robust FastCGI Process Manager for PHP". I'm no doing much PHP lately!