I measured less than half a millisecond to fork, print time, and wait for child to exit. http://paste.dy.fi/NEs/plain http://paste.dy.fi/NEs/plain So forking

I measured less than half a millisecond to fork, print time, and wait for child to exit. http://paste.dy.fi/NEs/plain http://paste.dy.fi/NEs/plain So forking alone doesn't cap performance too much; one or two cores could handle >1000 requests per second (billions per month).