April 2010
Intermediate to advanced
276 pages
6h 16m
English
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Tuning the Linux kernel IO
In this recipe, we will get started by showing the tools that can be used to monitor the Input/Output (IO) from a block device. We will then show how to tune the way that the Linux Kernel handles IO to meet your requirements in the best possible manner and finally explain how the Kernel handles IO requests in a little bit more detail.
Getting ready
In this section, we will see how to monitor the IO characteristics of your system using commands that will come installed on a RedHat or CentOS system.
The first command for monitoring IO is a command used most often for other things and it is called top. Running top and pressing 1 to show per-CPU statistics will give you an idea of what your CPUs are doing. Most importantly, ...
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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.