Dryrun

Dryrun

Dryrun is an open-source load testing tool for web applications. It allows developers to simulate user traffic to their apps to identify performance issues before launch. Key features include record and playback of scripts, distributed testing, and detailed analytics.
Dryrun image
load-testing web-application-testing performance-testing

Dryrun: Open-Source Load Testing Tool for Web Applications

Dryrun is an open-source load testing tool for web applications. It allows developers to simulate user traffic to their apps to identify performance issues before launch. Key features include record and playback of scripts, distributed testing, and detailed analytics.

What is Dryrun?

Dryrun is an open-source load and performance testing tool designed for testing web applications. It simplifies the process of creating and running load tests to help identify performance issues, bottlenecks, and ensure apps can handle expected user traffic.

Key features of Dryrun include:

  • Recording user sessions into reusable test scripts
  • Ability to parameterize and customize scripts for advanced scenarios
  • Distributed testing using multiple load generators to simulate large loads
  • Detailed reporting on transactions, response times, errors, and resources
  • Test APIs and measure performance from backend systems
  • Open-source and available free for anyone to use

Dryrun is built for developers and testers looking to practice continuous performance testing. It integrates into CI/CD pipelines for automated testing on every app change. The lightweight architecture allows it to scale to thousands of concurrent users on commodity hardware or cloud instances.

Compared to other solutions, Dryrun provides enterprise-grade capabilities without the complexity or cost. Its focus on web apps also makes it easier to use compared to generic protocol-based tools.

Dryrun Features

Features

  1. Record and playback of user sessions
  2. Distributed load testing
  3. Detailed performance analytics
  4. Open source
  5. CLI and UI versions
  6. Integration with CI/CD pipelines

Pricing

  • Open Source

Pros

Free and open source

Lightweight and easy to use

Enable load testing early in development

Identify performance issues before launch

Scripting in Python provides flexibility

Cons

Limited built-in reporting compared to commercial tools

Requires more technical expertise than GUI-driven tools

Not ideal for very large scale load testing


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