# 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"
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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"
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References