Dark Launches, Gradual Ramps and Isolation: Testing the Scalability of New Features on your Web Site
When adding new features that dramatically change how users interact with your site, it is a good practice to determine up front if your service can handle these new kinds of interactions so you don’t end up constantly disabling features due to the high load they incur on your site.
Dare Obasanjo
http://www.25hoursaday.com/weblog/2008/06/19/DarkLaunches…
200907 deployment performance scalability testing web applications