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Mark Tomlinson

West Evergreen Consulting, LLC

Independent Performance Engineer



Mark Tomlinson is a software tester and test engineer. His career began in 1992 with a comprehensive two-year test for a life-critical transportation system, a project which piqued his interest for software testing, quality assurance, and test automation. That first test project sought to prevent trains from running into each other -- and Mark has metaphorically been preventing “train wrecks” for his customers for the past 20 years. He has broad experience with real-world scenario testing of large and complex systems and is regarded as a leading expert in software testing automation with a specific emphasis on performance. Mark worked for six years at Microsoft Corporation as a performance consultant and engineer in the Microsoft Services Labs, in the Enterprise Engineering Center and in the SQL Server labs. His efforts to foster the success of Microsoft’s top-tier Enterprise customers was focused on their early adoption of Microsoft products as part of mission-critical operations. In 2008, as the LoadRunner Product Manager at HP Software Mark led the team to deliver leading innovations for performance testing and engineering as part of HP's suite of performance validation and management products. Mark now offers coaching, training and consulting to help customers adopt modern performance testing and engineering strategies, practices and behaviors for better performing technology systems.

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My Articles

Testers as Experts in Failure

Friday December 14th 2012 12am 5 0 Comments Testing Strategy Test and QA
You've probably heard everyone talking about how "failure is acceptable" and that "we need to fail sooner and more often" in our application development efforts. If you're like me, the hair on the back of my neck stands up and I start to break out in an angry sweat whenever I hear an engineer say that. Seriously, where do these guys get the idea that they can cut testing from the budget and then borrow the excuse after they fail that: "No, it's a good thing – now we can learn and get it right moving forward!" The individuals who state such things must have no clue about how software testers work and think. They have no idea how good we are at intentionally causing failures – proactively failing forward. Learn two tips on how to understand this "failure fad" and how to translate your work as a software tester into being a "failure expert".
Anonymous

Slow-Motion Performance Analysis

Monday December 10th 2012 8am 2 1 Comment
This hands-on session will help you learn how to investigate client-side performance issues by configuring the browser and a few different tools to make the page render in slow motion. We will cover how to analyze the page sequence rendering to highlight objects or milestones in the rendering that are sensitive to high-latency performance issues. We will cover how to find functionality issues with the page that are caused by slow loading conditions.

Quality Risk-Takers: NASA vs. Wall Street

Friday August 24th 2012 12am 2 1 Comment Testing Software
You know something’s wrong when a Mars spacecraft lands without any software glitches or crashes, while at the same time here on Earth a company’s financial trading system fails disastrously costing nearly half-a-billion dollars. I expected the opposite, didn’t you? These two separate events demonstrate the brutally obvious outcomes of an organization’s level of commitment to quality. And the differences couldn’t be more stark.
Anonymous

10 Tips for Selecting a Performance Testing Tool

Tuesday August 21st 2012 7am 1 1 Comment Performance

Introduction to Performance Tool Selection

Tuesday August 21st 2012 8am 1 0 Comments
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