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Steve Weisfeldt

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Top Stories by Steve Weisfeldt

Where do I start? What am I doing? (Why am I even here?) Have you ever asked yourself these questions at the beginning of a performance testing project? Have you been one of the many test engineers who have been delivered an application and told to "just test it"? (True story: I was once handed off an application to lead a performance testing project on with these words of guidance, "Just test it to make sure it doesn't suck"). If you are one of the fortunate performance test engineers who have a well-defined process in place in your organization that dictates what are you testing, what you are looking for, etc., then this discussion might not be for you. But for the rest of us, those of us that might need a little guidance in starting our project, read on...... What Are We Testing? What Are We Testing For? I don't believe there is any one right way to approach a lo... (more)

Testers Are from Mars, Developers Are from Venus

Developing with Performance Testing in Mind A tester friend of mine recently came to me with a complaint that I think is fairly common in the testing community. He said, "Every time there is a new release of the software for us to test, we have to rework our testing scripts." I've heard this complaint throughout my career, not only in performance testing but in functional testing with automation tools as well. This state of affairs arises from three fairly straightforward observations: Change is inevitable. Everything changes, and in no industry is this more apparent than software... (more)

The Importance of Accurately Modeling User Interactions in Performance Testing

Load testing, perhaps more than any other form of testing, is one of those activities that you either choose to do well or risk a result that leaves you worse off than not doing it at all. Half-hearted attempts at load testing yield "results," but too often those results are inaccurate, leading to a false sense of security for anyone who trusts them. This, in turn, leads to the release of applications that are not adequately tested and that experience performance problems soon after entering production. I was reminded of this not long ago, when I worked with a customer who relat... (more)

Learning to Expect the Unexpected: Load Test Before It’s Too Late

At times, I can be a bit of a procrastinator. If there is no pressing need to clean out the garage this week, shop for holiday gifts, or do my taxes, I can easily be convinced to let it go until next week or next month. Inevitably, though, something happens that makes me wish I hadn't delayed quite as long as I did. The garage gets flooded, for example, and the boxes that I had been meaning to organize get soaked and destroyed... or my Valentine's Day gift doesn't get shipped in time and I'm left holding the bag. I'm sure many of you can think of your own examples. Unfortunatel... (more)

Benefits of Load Testing in the Cloud (Part 1)

Many companies have moved applications to the cloud as a way to reduce capital expenditure while improving IT focus and effectiveness. End users see the cloud as a way to access their documents and applications remotely from anywhere and from any device. IT managers see the cloud as a means of rapidly adapting their infrastructures as needed via virtualization and a pay-per use-model. But what about load testing engineers? Can they seize the opportunities afforded by the cloud to better test the performance of web applications? As with past overhyped trends in IT, it is importan... (more)