At that level of concurrency you are only testing the throughput of ab and not nginx. Apache bench is a single process and is too slow to test anything other than a single Apache instance.
In summary, ab is a piece of crap. Posted at Nginx Forum: http://forum.nginx.org/read.php?2,243246,243389#msg-243389 _______________________________________________ nginx mailing list nginx@nginx.org http://mailman.nginx.org/mailman/listinfo/nginx