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9 million hits/day with 120 megs RAM
Solaris 5.11 (virtual: Joyent SmartMachine ) PHP 5.3.6 with PHP - FPM : 4 instances running, 10meg APC cache nginx 0.8.53 Pax 1.0 (my silly self-coded website software… and yes, oops there’s already software with that name ) 120 megs of RAM used Load tested using blitz.io : 9 million+ daily hit capability