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Java Performance
Java Case Studies
by Jack Shirazi
July 24, 2003
Java serving 1 billion pages per day for eBay! I'm always looking for Java case studies. It's fascinating to see just what people have done. This set from JavaOne lists eBay, The Wall Street Journal, American Airlines, several huge governmental organizations, and many more.


I love looking through case studies. They can teach you so much about what to do, what not to do, what is in vogue, etc. All those useful design patterns came from analyzing lots of case studies and seeing what worked; and sometimes, more importantly, what didn't work.

So this year I decided to start listing case studies when I find them. And a great place to start is JavaOne, where lots of the really big case studies get presented. So here they are. The highlights for me: eBay architected for 1 billion page views a day; The Brazilian National Health handling 100 million outpatient procedues a month; 24 million Java Cards used by Taiwan Health Insurance; Capital One Financial handling 80 million transactions each month.

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About the Blogger

Jack Shirazi is the author of O'Reilly's "Java Performance Tuning" and director of the popular website, the world's premier site for Java performance information. Jack writes articles for many magazines, usually about Java performance related matters. He also oversees the output at, publishing around 1 000 performance tips a year as well as many articles about performance tools, discussion groups, and much more. In his earlier life Jack also published work on protein structure prediction and black hole thermodynamics, and contributed to some Perl5 core modules "back when he had more time".

This weblog entry is Copyright © 2003 Jack Shirazi. All rights reserved.

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