July 2016
Intermediate to advanced
150 pages
4h 24m
English
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Benchmarking the Garbage Collector
Choosing a garbage collector comes down three characteristics: throughput, latency, and memory footprint. Because you don’t have infinite resources, you’ll have to choose one of them.
It’s best to start by using the default collector. If you don’t experience any performance problems, then stick with it. If you begin to encounter problems, adjust the heap first. Use the 30% rule to find the optimal heap size. But remember, a heap that’s too small or too big can hurt performance.
If you’ve optimized your heap size and still have performance problems, only then should you consider changing the garbage collector. Depending on your overall heap size, try either the CMS or G1 collector. For large heaps, try G1. ...
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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.