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External references

Related Software Projects

Grinder Analyzer Grinder Analyzer is a tool that parses log data from The Grinder and generates client-side performance graphs. These graphs include response time, transactions per second, and network bandwidth used. Like The Grinder itself, Grinder Analyzer uses Jython, and the excellent JFreechart graphing library.
Grinder Analyzer
webFlange webFlange is a continuous load testing web application written in Java. It leverages The Grinder for running tests, automatically creates reports and allows the creation of charts from the test results.
Grinderstone GrinderStone Eclipse plug-in is Grinder development environment (debugger for Grinder scripts is included).GrinderStone is extension for PyDev plug-in for developing Grinder scripts.

Articles

InfoQ News Alexander Olaru interviews Philip Aston for InfoQ.
Pure Danger Tech: The Grinder 3.0 Released Alex Miller says some very nice things about The Grinder.

"...I was really pleasantly surprised by everything that I found. The Grinder has a fairly clean aesthetic that is hard to quantify but makes getting started a pleasant experience. What I found the most enjoyable about it was the use of Jython to script the actual test activity.
...It is trivial to start up the console and your agents, then have very fast modify / run cycles as nothing needs to be restarted. You just modify the test in your editor and hit play on the console. This allows you to very rapidly whip your test into shape. Kind of reminds me of Rails..."
The Black Anvil: Shootout: Load Runner vs The Grinder vs Apache JMeter Detailed comparison of The Grinder, JMeter, and Load Runner from Travis Bear.

"...I recommended The Grinder as the tool to go forward with. It has a simple, clean UI that clearly shows what is going on without trying to do too much, and offers great power and simplicity with its unique Jython-based scripting approach. Jython allows complex scripts to be developed much more rapidly than in more formal languages like Java, yet it can access any Java library or class easily, allowing us to re-use elements of our existing work."

Travis has since assisted with the implementation of slow socket support for The Grinder.
Performance Testing using The Grinder A high-level overview of test methodology using The Grinder from Paul Evans/Blue Slate Solutions. Hosted by the Capital District Java Developers Network.
Grinder Test Automation for the WebLogic Server An custom automated test environment for WebLogic built on The Grinder.
Gash: Load Testing Java Applications Replacing JMeter with The Grinder 3

"I went from a freshly downloaded tarball to fully functional test environment in about 2.5 hours. That's powerful."
WikiWikiWeb Entry on the Wiki of Wiki's.
Stress Testing with The Grinder and Cactus Using The Grinder 2's JUnit plug-in with Cactus.
The Grinder: Load Testing for Everyone An introductory article on The Grinder 2 from Phil Aston.
Anticlue Blog entry on The Grinder 3.
Load Testing Web Services with Grinder An article on testing Web Services with The Grinder 3.
Massive Propeller: The Grinder Blog entry on The Grinder 2.
Mr Worm's GonePage: The Grinder Blog entry on The Grinder.
Dan Moore!: The Grinder Blog entry on The Grinder 3.

Commercials

This section contains links to commercial products and services related to The Grinder. You should not assume any relationship other than those documented below between the listed individuals and companies and The Grinder project. If you have a product or service related to The Grinder and would like to add information to this page, please email details to grinder-use.

J2EE Performance Testing

I'm pleased to announce the availability of J2EE Performance Testing with BEA WebLogic Server by Peter Zadrozny, Philip Aston and Ted Osborne, originally published by Expert Press and now by APress.

The Book

This book uses The Grinder 2 throughout, and indeed was responsible for driving the development of many of The Grinder's features. The book shows how to performance test complete J2EE applications and how to explore key performance issues surrounding the most popular J2EE APIs. The performance tests are carried out using BEA WebLogic Server™, but are generally applicable to any J2EE application server.

Most importantly, the book contains in-depth coverage of The Grinder 2 including a full user guide and case studies showing how to apply The Grinder to real world problems. The testing approach is equally applicable when using The Grinder 3.

Following several requests, I've made the source code for the book available from The Grinder SourceForge page. This source is supplied unsupported and with no warranty.

Philip Aston

Anser Enterprise

One of my consulting services is helping performance analysts to set up company-internal blogs on their performance activities to help them communicate better with their developers and management. As part of my consulting service I can offer usage and customization tips on The Grinder and a separate data visualization tool to show Grinder test results on their company's intranet. Much of this is in the area of test automation and mining test results.

Here's a link which provides several example web pages on communicating WebLogic 8.1/Grinder testing results. It requires downloading the Java 1.5 plug-in for charting Grinder test results.

Todd Nichols, Anser Enterprise

TestPros

TestPros provides load testing and performance tuning services using Grinder. We can provide our services in one or a combination of three ways - remotely via our Internet server farm, at our test labs, or at our customer's location.

For more information:

swtest-discuss

I run a mailing list for software testers called swtest-discuss. There are a few people there (including me) who are interested in talking about how people do testing for open source projects. I haven't yet found a community of open source testers that cuts across multiple tools/applications.

If you're interested in sharing your experiences in testing open source software, please consider joining swtest-discuss, at least long enough to see if there's any interest in having an on-going forum on this topic. If you do subscribe, please either send me a private email or introduce yourself to the list so we know you're there.

Danny R. Faught, Tejas Software Consulting