James F. Brady

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Jim has worked over 30 years in the telecommunications and computer industries for GTE, Tandem Computers, Siemens, and currently is the Capacity Planner for the State Of Nevada. At GTE he worked in both Data Center Capacity Planning and Digital Switching Traffic Capacity determination. While at Siemens he obtained EU and US patents for a traffic overload(More)
Many times load testing is dismissed as a waste of time and money because past results didn't conform to real world experience when the application went live. Sometimes it's because the test suite is too narrow but often it is due to the approach used to produce traffic and the way results are interpreted. This discussion focuses on the latter situation(More)
This is a follow-up to my CMG'12 presentation titled " When Load Testing Large User Population Web Applications the Devil is in the (Virtual) User Details " , [BRAD2012]. During my talk I mentioned that most load tools do not offer a Negative-Exponential distribution timer option, even though it is the logical one to draw think times from when attempting to(More)
A common server configuration that has emerged for supporting Web based applications is the Web Server, Application Server, and Database Server arrangement. This paper discusses a specific traffic capacity testing experience with this server combination for a Windows ® environment using a transaction oriented load generator instead of a traditional virtual(More)