Performance Testing @ the Frontline

A hidden world where small things make a big difference

Archive for April, 2008

More on ScrumWorks Pro API testing

Posted by Kim on Wednesday, April 23, 2008

I today spent most of my time testing the ScrumWorks Pro 3.0 SOAP API, with the MySQL database, and came to the conclusion that there are some potential performance killers in the application.

The test data we used was somewhat larger than a typical small project. This data was scaled to match the expected data amounts of a very large enterprise environment within a few years, with lots of users. Read the rest of this entry »

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OpenSource PT tools lack in features

Posted by Kim on Tuesday, April 22, 2008

I’ve been investigating some of the OpenSource performance test tools available on the market, and it seems that most of them are lacking in features that are essential for performance testing in enterprise environments. A good list of both functional and performance tools can be found at

The biggest problem is that the tools are not designed to give out analyzable data in exported form, or even in viewable and understandable form on the screen. Read the rest of this entry »

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LoadRunner as a WebCrawler

Posted by Kim on Monday, April 7, 2008

Today I had the opportunity to use LoadRunner for a completely different task than it has been designed for.

The project I’m working with wanted to have a system that “warms up the caches” before it goes live, so we needed to have a system the crawls the production site at a specific time and speed, excludes a set of links and only goes 3 levels deep.

The resulting script was very easy to make, once the initial think-through was done. The code was very simple put into three sub functions: Process_Level_1(), Process_Level_2() and Process_Level_3(). In each function we call a set of recorded URL’s from the previous processing level.
Read the rest of this entry »

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ScrumWorks Pro SOAP API

Posted by Kim on Saturday, April 5, 2008

The Scrumworks Pro product has an API that works using SOAP calls, and I needed to LoadTest the application using this interface.
I immediately had some problems with it since there seemed to be no documentation at all for non-Java developers. A had a JavaDoc that really didn’t tell me anything (as I’m not a Java developer), and the only raw SOAP example I had was one Danube’s support sent me, which didn’t work for me as it was meant for other tools than LoadRunner … Read the rest of this entry »

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Performance Testing Blog – And so it begins

Posted by Kim on Saturday, April 5, 2008

Today it begins, my Performance Testing and Performance Engineering blog, where I’ll outline some of the things I will encounter in this field…

I hope this is going to be a fun and informative place for all of you, but only time and your feedback can determine that!

Helpful tools

The tools I use mostly at work is LoadRunner from HP, but I also use a myriad of other utilities that assist me. The one biggest helpful “utility” i use is probably¬† Delphi, since I can make DLL’s and custom made applications that assist me in the testing process.

Also PHP and Apache are valuable help, since most of my testing is web based. Other very useful tools are WireShark (Network Analyzer) and FireBug (Firefox plugin, HTML analysis).

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