wrk - a HTTP benchmarking tool
wrk is a modern HTTP benchmarking tool capable of generating significant load when run on a single multi-core CPU. It combines a multithreaded design with scalable event notification systems such as epoll and kqueue.
An optional LuaJIT script can perform HTTP request generation, response processing, and custom reporting. Details are available in SCRIPTING and several examples are located in scripts/.
wrk -t12 -c400 -d30s http://127.0.0.1:8080/index.html
This runs a benchmark for 30 seconds, using 12 threads, and keeping 400 HTTP connections open.
Running 30s test @ http://127.0.0.1:8080/index.html 12 threads and 400 connections Thread Stats Avg Stdev Max +/- Stdev Latency 635.91us 0.89ms 12.92ms 93.69% Req/Sec 56.20k 8.07k 62.00k 86.54% 22464657 requests in 30.00s, 17.76GB read Requests/sec: 748868.53 Transfer/sec: 606.33MB
Command Line Options
-c, --connections: total number of HTTP connections to keep open with each thread handling N = connections/threads -d, --duration:
Nothing to say, it's simple!
This series of posts document a high-level process to use when planning a modern web application, from project organization, collaboration considerations and tooling choices during development, all the way through deployment and performance strategies.