eBay Tech Blog

From the monthly archives:

January 2013

Becoming a World-Class Tester

by Ilari Henrik Aegerter January 31, 2013 Testing

 A tester is somebody who knows that things can be different. That is Jerry Weinberg’s description of a world-class tester, which reminds us that testing is about critical thinking and imagination. It is about not believing anything at face value, but maintaining an investigative mindset. Testing is questioning a product in order to evaluate it. [...]

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Early Detection of Frontend Single Points of Failure

by Senthil Padmanabhan January 22, 2013 Software Engineering

Until fairly recently, a single point of failure (SPOF)—a condition that can bring down an entire system—has been predominantly associated with the backend world of server clusters, networking, and operations. However, with the increase in third-party widgets and the complexity of modern web applications, the web community is increasingly aware that a frontend SPOF can [...]

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Tomcat/Jasper Performance Tuning

by Sheldon Shao January 4, 2013 Software Engineering

JavaServerPages (JSP) is productivity-enhancing technology for building dynamic web pages. With more than 10 years of history, it is popular and mature. JSP 2.0 includes new features that make the code cleaner, such as the Expression Language (EL), the tag file, and simple tags. However, these new features can cause some performance issues. eBay uses [...]

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