Wrk

This project is a command-line HTTP load testing tool designed to measure the throughput and latency of web servers under high-concurrency conditions. It functions as a multi-threaded benchmarking engine that simulates thousands of simultaneous connections to evaluate server performance, identify bottlenecks, and determine capacity limits.

The tool distinguishes itself through a shared-nothing thread architecture that isolates state within individual threads to eliminate lock contention during high-frequency request generation. It utilizes a non-blocking event loop and low-latency socket polling to manage network connections with minimal overhead. Furthermore, it embeds a scripting engine that allows users to define custom request patterns, dynamic payloads, and response processing logic directly within the execution context.

Beyond basic throughput measurement, the tool supports infrastructure stress testing and performance regression analysis. It provides the capability to create complex request sequences, enabling developers to simulate varied traffic patterns and evaluate how backend services respond to extreme request volumes.

Features

Performance Testing - Generates high-concurrency traffic to measure the throughput and latency of web servers.
Kernel Networking - Utilizes system-level notification interfaces to monitor file descriptors efficiently and trigger immediate processing.
Benchmarks - Utilizes multiple CPU cores to simulate thousands of simultaneous connections against a target service.
Command Line Tools - Listed in the “Command Line Tools” section of the The Book Of Secret Knowledge awesome list.
Load Testing Tools - Multithreaded HTTP benchmarking tool with Lua scripting support.
HTTP Security - Modern HTTP benchmarking tool for generating high load.
Runtime Environments - Embeds a lightweight virtual machine to execute user-defined logic during the request lifecycle.
API Testing - Allows developers to define custom HTTP request patterns and response processing logic using embedded scripting.
Shared-Nothing Architectures - Isolates state within individual threads to eliminate lock contention and synchronization bottlenecks.

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wgwrk

Name: wg/wrk
Author: wg

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Wrk

Features

Performance Testing - Generates high-concurrency traffic to measure the throughput and latency of web servers.
Kernel Networking - Utilizes system-level notification interfaces to monitor file descriptors efficiently and trigger immediate processing.
Benchmarks - Utilizes multiple CPU cores to simulate thousands of simultaneous connections against a target service.
Command Line Tools - Listed in the “Command Line Tools” section of the The Book Of Secret Knowledge awesome list.
Load Testing Tools - Multithreaded HTTP benchmarking tool with Lua scripting support.
HTTP Security - Modern HTTP benchmarking tool for generating high load.
Runtime Environments - Embeds a lightweight virtual machine to execute user-defined logic during the request lifecycle.
API Testing - Allows developers to define custom HTTP request patterns and response processing logic using embedded scripting.
Shared-Nothing Architectures - Isolates state within individual threads to eliminate lock contention and synchronization bottlenecks.

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常见问题解答

wg/wrk 是做什么的？

wg/wrk 的主要功能有哪些？

wg/wrk 的主要功能包括：Performance Testing, Kernel Networking, Benchmarks, Command Line Tools, Load Testing Tools, HTTP Security, Runtime Environments, API Testing。

wg/wrk 有哪些开源替代品？

wg/wrk 的开源替代品包括： tsenart/vegeta — Vegeta is an HTTP load testing tool and library designed to measure the performance and stability of web services. It… rakyll/hey — This project is a command-line utility designed for HTTP load testing and network stress testing. It functions as a… giltene/wrk2 — wrk2 is a high-performance HTTP benchmarking tool and constant throughput load generator. It is designed to measure… codesenberg/bombardier — Bombardier is a concurrent HTTP load generator and performance benchmarking tool written in Go. It functions as a… loadimpact/k6 — k6 is a developer-centric load testing suite and command-line load generator designed for network performance… intuit/karate — Karate is an end-to-end testing framework and API test automation tool used to validate REST and SOAP APIs, drive…