… Scaling Oracle and PHP
Always remember that at the end of the day, a fast but incomplete application is worthless. It is easy to distract yourself with performance tuning and design abstraction to the detriment of your application. The nature of the Web is such that a release-frequently methodology works very well. (There is little cost in releasing a “new version” of a Web site, since the end user is always coming back for the code.) This allows you to defer serious tuning of your code until it is required. Thus, the primary goal should be to create code that can be easily refactored.
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