July 2016
Intermediate to advanced
150 pages
4h 24m
English
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Setting the Heap Size
All of the JVM and JRuby options you’ll learn about in this chapter can be used with each of the frameworks discussed in this book. Some need to be defined in a different way depending on the platform, but those cases will be specifically called out. Despite the differences in how they’re defined, the underlying effects of these options will remain the same across frameworks.
When a JVM starts up, it reserves a chunk of system memory called the heap. Each time a new object is created in a JRuby program, the platform allocates a piece of heap memory for it, which is reserved until the GC decides to reclaim the object. At that time, the associated piece of memory is returned to the heap. This process is called dynamic memory ...
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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.