June 2016
Beginner
456 pages
9h 31m
English
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Monitoring memory and swap
Memory is another important component of system performance. All files and data that are currently being used are kept in the system main memory for faster access. The CPU performance also depends on the availability of enough memory. Swap, on the other hand, is an extension to main memory. Swap is part of persistent storage, such as hard drives or solid state drives. It is utilized only when the system is low on main memory.
In this chapter, we will learn how to monitor system memory and swap utilization.
Getting ready
You may need sudo privileges for some commands.
How to do it…
In the last recipe, we used commands top and vmstat to monitor CPU utilization. These commands also provided details of memory usage. Let's start ...
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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.