How to Use wrk for Load Testing
Load Testing APIs with wrk (Detailed Guide) This article explains how to use wrk on Ubuntu to stress-test backend APIs (Flask, FastAPI, Spring Boot, etc.) and interpret the results. 1. What is wrk? wrk is a modern, high-performance HTTP benchmarking tool written in C. Key features: High concurrency: thousands of concurrent connections Multi-threaded: uses multiple CPU cores Lua scripting: for custom headers, bodies, tokens Faster than Apache Benchmark (ab): lighter and more stable 2. Install wrk On Ubuntu/Debian: ...