Wrk

# macos
brew install wrk
wrk --help

# debian / ubuntu
sudo apt install build-essential libssl-dev git -y
git clone https://github.com/wg/wrk.git && cd wrk
sudo make && sudo cp wrk /usr/local/bin
ls -lah /usr/local/bin|grep wrk
sudo make clean
wrk --help

Wrk Options

wrk -t 6 -c 200 -d 30s --latency https://google.com

: <<'EOC'
Usage: wrk <options> <url>                            
  Options:                                            
    -c, --connections <N>  Connections to keep open   
    -d, --duration    <T>  Duration of test           
    -t, --threads     <N>  Number of threads to use   
                                                      
    -s, --script      <S>  Load Lua script file       
    -H, --header      <H>  Add header to request      
        --latency          Print latency statistics   
        --timeout     <T>  Socket/request timeout     
    -v, --version          Print version details      
                                                      
  Numeric arguments may include a SI unit (1k, 1M, 1G)
  Time arguments may include a time unit (2s, 2m, 2h)
EOC

For connections and threads, the author suggest using thread number less than the core in CPU. The connections are shared in different threads, i.e., each threads get N = connections/threads connections.

Playground

cat <<'EOF' > ~/Documents/wrk-playground/test-urlencoded-data.lua wrk.method = "POST" wrk.body = "width=2&height=2" wrk.headers['Content-Type'] = "application/x-www-form-urlencoded" EOF wrk -t 4 -c 100 -d 180s\ -s ~/Documents/wrk-playground/test-urlencoded-data.lua\ --latency "http://server_ip:1234/demo"	cat <<'EOF' > ~/Documents/wrk-playground/test-application-json.lua wrk.method = "POST" wrk.body = '{"width": 2, "height": 2}' wrk.headers['Content-Type'] = "application/json" EOF wrk -t 4 -c 100 -d 180s\ -s ~/Documents/wrk-playground/test-application-json.lua\ --latency "http://server_ip:1234/demo"

References

wrk » LuaJIT » Example Scripts wrk » LuaJIT » Simple Scenario wrk » HTTP benchmarking tool wrk » Intelligent benchmark wrk » Homebrew wrk » LinkenIn
Homebrew ZA Proxy HTTPie JQ Tool JMeter LuaJIT