I've long thought about a similar project to test my applications when scaling out and how well concurrency works. One big advantage is that raspberry pies are

I've long thought about a similar project to test my applications when scaling out and how well concurrency works. One big advantage is that raspberry pies are also so you don't need to send 100MBs to your servers to max out the CPUs (and thus don't need such a quick connection and powerful machine to generate all those requests).