"This tool is of course aimed at testing Apache servers, however
it can be used on others.
Usage is rather simple. At it’s core, the amount of requests
to complete and the url to test are required. On top of this you
can inform the application to carry out more than one request at a
time, as show in the second example.
$ ab -n 100 http://domain/
$ ab -n 100 -c 3 http://domain/
"These are the results I gained from running this against the
server behind this, testing using 3 concurrent connections and 100