I wrote a simple webapp-stress-tool. Simulty is a very simple webapp-stress-tool. It reads random urls from a file and executes multiple get-requests simultaneously to them.
git clone https://github.com/whotwagner/simulty
Create a file with one url per line and start the stresstest with:
http://www.somefoobar.com/index.php?fun https://www.somefoobar.com/user/login.php http://www.somefoobar.com/whatever/somewhere/over/the/rainbow.php
Tip: This Urlfile could be generated from a logfile.