I recently advised a friend who was building a web app in java and after launch he found the site would go down periodically. As the site grew it eventually st

I recently advised a friend who was building a web app in java and after launch he found the site would go down periodically. As the site grew it eventually started going down several times a day. Took weeks for him to find the memory leaks that caused this. Definitely might be good to have a chapter or two toward the end on performance, profiling, scalability, and plugging memory leaks.