A few weeks ago, "Lies, Damned Lies and Performance Tests," gave us a great example of how even a good performance test can be ruined through a few (seemingly) small mistakes. Today, let's revisit performance tests with an example of performance tests that I constructed on behalf of a client, as an example of how to do them correctly. Even good performance tests suffer from a paradox. On the one hand, you really want to understand how the product will perform in the real world, with all of its environmental conditions.

Mark Twain attributed the phrase "Lies, Damned Lies and Statistics" to British Prime Minister Benjamin Disraeli, which suits the Prime Minister's known wit, although its provenance has been questioned. If Twain or Disraeli had lived in the days of computers and software, he probably would have coined the phrase as "Lies, Damned Lies and Performance Tests." Perhaps Twain's great novel of Americans touring the desolate Holy Land of the late 19th century might have been called, "