Thumper

Thumper

Thumper is an open-source network load testing tool for measuring web application performance. It simulates multiple users making requests to web apps to determine maximum load capacity.
Thumper image
load-testing web-app-testing performance

Thumper: Open-Source Network Load Testing Tool

Thumper is an open-source network load testing tool for measuring web application performance. It simulates multiple users making requests to web apps to determine maximum load capacity.

What is Thumper?

Thumper is an open-source load and performance testing tool for web applications. It is designed to stress test web apps by simulating a high load of concurrent virtual users making requests, in order to determine performance metrics like maximum requests per second, response times, and error rates.

Key features of Thumper include:

  • Ability to simulate hundreds or thousands of concurrent users from a single machine
  • Flexible scripting for modeling user behaviors
  • Reports on important web app KPIs like response times, throughput, errors
  • Command line and web UI for configuring and monitoring tests
  • Extensibility through plugins

Thumper is implemented in Golang and works by spinning up goroutines to represent virtual users. It can generate load from one computer to help identify web app bottlenecks before launch. The lightweight, cross-platform tool is free to use under an Apache 2.0 open source license.

Thumper Features

Features

  1. Load testing
  2. Stress testing
  3. Distributed testing
  4. HTTP/HTTPS protocol support
  5. Scriptable via Python

Pricing

  • Open Source

Pros

Open source

Customizable and extensible

Can simulate large user loads

Good for testing scalability

Cons

Steep learning curve

Requires coding knowledge

Limited built-in reporting

No GUI


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