This may be more helpful. AB is apache benchmark - you can read about it here: http://httpd.apache.org/docs/2.2/programs/ab.html http://httpd.apache.org/docs/2

This may be more helpful. AB is apache benchmark - you can read about it here: http://httpd.apache.org/docs/2.2/programs/ab.html http://httpd.apache.org/docs/2.2/programs/ab.html Tutorial to use it here: https://www.digitalocean.com/community/tutorials/how-to-use-apachebench-to-do-load-testing-on-an-ubuntu-13-10-vps https://www.digitalocean.com/community/tutorials/how-to-use-... Do not use this on a shared server.