If you're using ab or httpperf, you should also take a look at wrk (https://github.com/wg/wrk https://github.com/wg/wrk). It can generate significant amount of

If you're using ab or httpperf, you should also take a look at wrk (https://github.com/wg/wrk https://github.com/wg/wrk). It can generate significant amount of load and has support for Lua scripting for request generation, response processing and reporting. There is another fork of it (https://github.com/giltene/wrk2 https://github.com/giltene/wrk2) which can be used if you want test at a consistent RPS.