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.

Historique des stars

wgwrk

Name: wg/wrk
Author: wg

View on GitHub

40,327 stars3,031 forksC15 vues

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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Questions fréquentes

Que fait wg/wrk ?

Quelles sont les fonctionnalités principales de wg/wrk ?

Les fonctionnalités principales de wg/wrk sont : Performance Testing, Kernel Networking, Benchmarks, Command Line Tools, Load Testing Tools, HTTP Security, Runtime Environments, API Testing.

Quelles sont les alternatives open-source à wg/wrk ?

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