Technology Tip #1 – Use Vegeta as a Modern Load Testing Tool

Use Vegeta as a modern HTTP load testing tool written in Golang. It is built out of a need to drill HTTP services with a constant request rate. It can be used both as a command line utility and a library

Installation Instructions on Mac Machine

• Install ITERM Terminal – ITERM2:

brew install --cask iterm2

• Install JSON Monitoring Tool – JPLOT:

brew install rs/tap/jplot      

• Install JSON Aggregation CLI – JAGGR:

brew install rs/tap/jaggr

An example of running load testing using Vegeta

echo 'GET http://localhost:8080/latency?delay=1' | \
    vegeta attack -rate 5000 -duration 10m | vegeta encode | \
    jaggr @count=rps \
          hist\[100,200,300,400,500\]:code \
          p25,p50,p95:latency \
          sum:bytes_in \
          sum:bytes_out | \
    jplot rps+code.hist.100+code.hist.200+code.hist.300+code.hist.400+code.hist.500 \
          latency.p95+latency.p50+latency.p25 \
          bytes_in.sum+bytes_out.sum

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