January 2018
Intermediate to advanced
398 pages
7h 54m
English
book
OpenStack Cloud Computing Cookbook - Fourth Edition
by Kevin Jackson, Cody Bunch, Egle Sigler, James Denton
Content preview from OpenStack Cloud Computing Cookbook - Fourth EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Setting CPU limits for a flavor
In addition to defining the number of vCPUs assigned to an instance, limits on the use of these CPU cycles can be further imposed. Nova relies on the underlying hypervisor for the specific implementation of the CPU limits, and thus the values available may vary. Our example is based on QEMU/KVM.
CPU limits are a special case of flavor attributes that you may encounter.
Getting ready
To add a CPU limit to a flavor, you will need the following:
- The
openstackcommand-line client - The
openrcfile containing appropriate credentials - The name of the flavor to change
- The values you would like to set the CPU limit to (share of time the allotted CPU is allowed to consume in milliseconds per cycle)
These values in our example are as ...
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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.