To give some factual support to the parent's argument: I run lighttpd+fcgi-lua+redis comfortably on a 128M VPS, which according to my benchmarks is capable of s

To give some factual support to the parent's argument: I run lighttpd+fcgi-lua+redis comfortably on a 128M VPS, which according to my benchmarks is capable of serving between 200 and 400 requests per second on the dynamic page. With about half of the RAM free, still.