The Grinder is a load testing framework that makes it easy to run a distributed test using many load injector machines. Test scripts are written in Jython, and can call out to arbitrary Java code, providing support for testing a large range of network protocols.

The Grinder comes with a mature plug-in for testing HTTP services, HTTP scripts can be recorded easily from a browser session.


  • Distributed load testing
  • Test script support for Java, Jython, and Clojure
  • Mature HTTP support

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BSD License

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User Reviews

  • Hi All, We've published a consolidated review of The Grinder on QATestingTools website. It provides a complete feature list, tool analysis along with tutorials and helpful references. Access the review to know more.

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Intended Audience


User Interface

Command-line, Java Swing

Programming Language