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wrk – a HTTP benchmarking tool

During Taylor’s Laracon Online presentation of Laravel Octane he used both Apache Bench, ab, and a tool named wrk that I’d never seen before.

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.

Once installed the basic usage is:

wrk -t12 -c400 -d30s http://site.test

This runs a benchmark for 30 seconds (-d30s), using 12 threads (-t12), and keeping 400 (-c400) HTTP connections open. The output after running it looks something like this:

Running 30s test @ http://site.test
  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

If you are needing to do some benchmark testing check out wrk and it can even be installed via homebrew.

Credit: Source link

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