On a scale of millions of http request messages and request over a distributed network of servers... What strategies do you use to give your cloud staging a realistic go? Does it effect production performance to implement your strategy?
edit** Gor is awesome.
You can try my tool https://github.com/buger/gor
It's created exactly for replaying traffic from production to staging.
If you want to replay non-http traffic, you may check tcpreplay tool.