Stress test, load test before launch! It doesn take more then an hour, and you quickly know what your upper limits are, and where the bottlenecks are. I use g

Stress test, load test before launch! It doesn take more then an hour, and you quickly know what your upper limits are, and where the bottlenecks are. I use gatling in favor of JMeter: https://github.com/excilys/gatling https://github.com/excilys/gatling