March 2004
Intermediate to advanced
560 pages
14h 38m
English
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1.3. Total System Resource Perspective
To understand performance management, it is necessary to understand the various system resources that interact to affect the overall performance of the system. Traditionally, system administrators viewed performance as the interaction of three system resources: central processing unit, memory, and I/O. Figure 1-1 shows this view. The Central Processing Unit, or CPU, is the hardware that executes the program codes, which exist as one or more processes. Each process may run as one or more threads, depending on the operating system (OS) version or variant. The part of the OS that controls the CPU resource is the process management subsystem, which handles the scheduling of the processes that want to use the ...
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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.