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Building Scalable and High-Performance Java™ Web Applications Using J2EE™ Technology by Greg Barish

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Summary

In this first chapter, we focused on defining Web applications and the nature of their deployment on the Internet. We also defined and discussed performance and scalability—two important concepts that will remain our focus throughout this book—and described their related metrics.

One very important subtheme of this chapter was the focus on the entire application, not just its parts. Although it may be academically interesting to optimize our bandwidth or CPU use, the end user does not care about such things. Instead, he or she thinks only in terms of time, that is, whether the application is fast. And he or she wants that same response time regardless of how many other users are on the system at the same time. Now that we are focused ...

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