Testing

Dynatrace on Dynatrace: Detecting Architectural Regressions in Continuous Functional Testing

At Dynatrace we not only sell our performance monitoring solutions to our customers – we use them in the way we want our customers to use them. The benefit of this “eat your own dog food” – or – “drink your own Champagne” (as we like to call it) is that we see first-hand if our features need to be improved to deliver what we promise. On my last trip… read more

Sitecore Performance Tips: What’s Geography Got to Do with It?

It’s not very often that data aligns perfectly to illustrate a topic. Typically, there are very clear trends among the outlying data points that clearly support the topic in question, but it’s rarely absolute. So, while researching Sitecore performance topics this week, I spotted data points that almost perfectly align to support the premise of Geographical Performance Variance in User Experience, that is, in layman’s terms, the further away the… read more

When configuration settings from development wreak havoc in production

As applications are promoted from the development environment to the CI or the QA environment and then into the production environment, it is very common for the configuration settings to be changed as the code is promoted. For example, the settings for the database connection pools are typically lower in development environment than the QA/Load Testing environment. The primary reason for the existence of the configuration setting differences is to… read more

How Netflix, Mars Curiosity Rover, testing & automation can help us deploy better code, faster

YOW! 2015 Brisbane is a wrap! I have been to many developer conferences over the course of my career in IT, and the level of thought leadership and innovation at this event by speakers, sponsors, and developers won’t soon be matched. The best and the brightest from Netflix, Facebook, Microsoft, Expedia, NASA, and DARPA, (just to name a few) lead keynotes and sessions that inspired and shaped the minds of… read more

Production: Performance where it REALLY matters!

“Production is where performance matters most, as it directly impacts our end users and ultimately decides whether our software will be successful or not. Efforts to create test conditions and environments exactly like Production will always fall short; nothing compares to production!” These were the opening lines of my invitation encouraging performance practitioners to apply for the recent WOPR24 (Workshop On Performance and Reliability). Thirteen performance gurus answered the… read more

Shift-Left Quality with Dynatrace Personal License

In the past year I have helped scores of developers, testers, architects and ops analyze the quality, performance and scalability problems of the business critical apps for which they are responsible. They shared their data via Share Your PurePath which allowed me to provide them quick feedback on the technical root cause of why an application won’t scale or is slow. All of these fine people had one thing in common: They looked… read more

DevOps News Live from DevOpsDays Berlin 2015: Day 1

This year I was invited to present at DevOpsDays Berlin, the most-awaited DevOps gathering in Central Europe. A two-day event, it is informative, delivers insights from industry thought leaders, and is attended by people eager to share experiences and learn from each other. This blog post summarizes the activities of Day 1. Keynote by John Willis The morning began with a keynote presentation by DevOps thought leader John Willis (@botchagalupe) who reminded us that… read more

Software Test Professionals – Conference Highlights from STPCon 2015

This week the Software Testing World moved to the US East Coast – just outside of Boston, MA a group of testers is discussing the latest and greatest at STPCon 2015. I was lucky enough to get 3 speaking slots this time (1 workshop, 2 breakouts) to share my thoughts on Performance, DevOps & Agile Testing: Application Performance Clinic Workshop DevOps: Find Solutions, Not… read more

Born to Test – Conference Highlights from StarWest 2015

This week the Software Testing World is gathering at StarWest 2015 in Anaheim, CA (yeah – that’s where Disneyland is) to share the latest best practices when it comes to Software Quality, Testing, Continuous Testing, DevOps, … and all the other cool words floating around. I am a big fan of testers – that’s actually how I started my career: as a tester testing a testing tool 🙂… read more