CHAPTER 1Performance Problems
Too often, tuning begins when an application's development is already finished. This is unfortunate because it implies that performance is not as important as other crucial requirements of the application. Performance is not merely optional, though; it is a key property of an application. Not only does poor performance jeopardize the acceptance of an application, it usually leads to a lower return on investment because of lower productivity. In fact, as shown in several IBM studies from the early 1980s, there is a close relationship between performance and user productivity. The studies showed a one-to-one decrease in user think time and error rates as system transaction rates increased. This was attributed to a ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access