March 2007
Intermediate to advanced
326 pages
9h 3m
English
Content preview from Release It!
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10.4 Tune the Garbage Collector
In Java applications, garbage collection tuning is the quickest and easiest way to see some capacity improvements. An untuned application running at production volumes and traffic will probably spend 10% of its time collecting garbage. That should be reduced to 2% or less.
Modern garbage collectors are optimized for the typical bimodal distribution of object life spans. Most objects are ephemeral; they are created and discarded within microseconds. (Sun refers to this as infant mortality.) A much smaller population of objects are long-lived, often with life spans that match the program execution (singletons, service ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.