Foreword

About a year ago I was sent out to a large Fortune 500 WebSphere customer to solve a critical “WebSphere performance” problem. The customer was close to putting a WebSphere application into production, and believed they had discovered—with less than a week to go before the application was to go into production—that WebSphere “did not perform well.”

No one seemed to have many details about the problem, but we were assured by the highest levels of management at both the customer's company and IBM that this was indeed a critical situation. So I dropped everything and headed out the next morning on a 6:30AM flight. At the company I met with the customer representative, who showed me an impressive graph (the output of a popular load-testing ...

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