wrk - a HTTP benchmarking tool

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wrk - a HTTP benchmarking tool image

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.

Eric L. Barnes photo

Eric is the creator of Laravel News and has been covering Laravel since 2012.

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