Wrk
Wrk is a modern HTTP benchmarking tool designed for high-performance load testing of web servers and APIs. It uses a multi-threaded, event-driven architecture to generate significant traffic with minimal resource usage, making it efficient for stress testing and performance analysis. It supports scripting with Lua for custom request generation and response processing.
Developers should use Wrk when they need to benchmark the performance, scalability, and throughput of web applications, microservices, or APIs under heavy load, such as during development, deployment, or optimization phases. It is particularly valuable for identifying bottlenecks, comparing server configurations, and ensuring systems can handle expected traffic in production environments.