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Developer ToolsAlternative to ApacheBenchAlternative to LoadRunnerAlternative to JMeter

wrk

Modern HTTP benchmarking tool capable of generating significant load when run on a single multi-core CPU.

View on GitHub
LicenseApache-2.0
GitHub stars37.5k
Last commit1 weeks ago
Tags5 topics
High Throughput TestLua Scripted BenchDeveloper ToolsHttp BenchmarkingLoad Testing C
Overview

Why consider wrk?

wrk is an open-source HTTP benchmarking tool written in C by Will Glozer. wrk combines multithreaded design with event notification mechanisms (epoll/kqueue) and embedded Lua scripting, generating hundreds of thousands of HTTP requests per second from a single laptop or server.

Guided learning

Learn wrk by building

Practical setup notes, real use cases, and copy-ready examples in one focused guide.

1 min read 2 sections
In this guide2 sections

Overview of wrk

wrk stresses HTTP endpoints with multithreaded non-blocking network socket loads.

Quickstart

bash
1git clone https://github.com/wg/wrk.git
2cd wrk && make
3./wrk -t12 -c400 -d30s http://127.0.0.1:8080/index.html

wrk is licensed under the Apache License Version 2.0.

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wrk FAQs

wrk is listed as a Developer Tools tool on TiloBox. Review the overview, features, and official documentation on this page to decide whether it solves your specific workflow.

Start with the project's GitHub repository for supported installation and deployment instructions. Test the setup with representative data or a small project before rolling it out more widely.

wrk is listed under the Apache-2.0 license. Read the complete license text and the project's notices before using, modifying, or distributing the software.

Production readiness depends on your requirements. Review maintenance activity, security practices, documentation, backup and upgrade procedures, and compatibility with your stack; then validate it in a non-production environment.

wrk is listed as an alternative to ApacheBench. Compare the core workflow, deployment model, integrations, and licensing against your must-have requirements before switching.