Stresix load-tests apps from repositories or Docker images, reports performance metrics, and recommends server sizes based on expected traffic.

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Stresix is an application load testing tool that helps developers measure how their software performs under traffic and identify an appropriate server size. Add a code repository or Docker image, choose the expected number of concurrent users and test duration, and Stresix runs the application on an isolated test server. Each test report includes measurements such as p95 response time and error rate, along with a recommended server setup based on the load the application handled. Stresix can test applications built from a repository or Docker image, and supports Docker Compose stacks so components such as databases and caches can be included in a test. Use it to assess application capacity, investigate performance bottlenecks, and make more informed server-sizing decisions before production launches or traffic spikes.

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