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Oct 2020
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We're quite excited by k6, a relatively new tool in the performance testing ecosystem with a heavy focus on developer experience. The k6 command line runner executes scripts written in JavaScript and allows you to configure the execution time and the number of virtual users. The CLI has several advanced features that let you see the current statistics before the test has finished executing, scale the number of virtual users beyond what was originally defined and even pause and resume a running test. The command line output provides a set of customizable metrics with transformers that let you visualize the results in Datadog and other observability tools. Adding checks to your scripts is an easy way to integrate performance testing into your CI/CD pipeline. For accelerated performance testing, check out the commercial version, k6 Cloud, which provides cloud scaling and additional visualizations.