Thanks to Michal Krzek-Lubowiecki for most of the source code.
sudo yum install nodejs
# update url in mongoProvider.js & test cases in generate.js
# fix firewalls
npm install
npm run start
The POCDriver load generator could also be interesting. It has more configuration options, whereas this one is easy to understand and modify directly. https://github.com/johnlpage/POCDriver