Skip to Main Content
The Complete VMware vSphere Guide
book

The Complete VMware vSphere Guide

by Mike Brown, Hersey Cartwright, Martin Gavanda, Andrea Mauro, Karel Novak, Paolo Valsecchi
November 2019
Beginner content levelBeginner
768 pages
32h 29m
English
Packt Publishing
Content preview from The Complete VMware vSphere Guide

ESXi host memory states

In times of contention, the ESXi host will use different techniques that allow you to overprovision the memory assignment for the VMs. As we already explained, overcommitment means that you assign more virtual resources than your physical hypervisor has. This is quite a common approach, but you need to be aware of what happens once all the VMs start to utilize such resources. This situation is called contention.

We have two different contentions when talking about resources: CPU and memory contention. There is nothing specific regarding CPU contention—the shares will simply kick in and the VMs will get the only subset of configured resources based on the shares. But for memory, it is more complicated.

vSphere 6.7 uses ...

Become 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,
and much more.
Start your free trial

You might also like

Learning VMware vSphere

Learning VMware vSphere

Rebecca Fitzhugh, Abhilash G B
Networking for VMware Administrators

Networking for VMware Administrators

Christopher Wahl, Steven Pantol

Publisher Resources

ISBN: 9781838985752Supplemental Content