August 2009
Intermediate to advanced
696 pages
22h 16m
English
Content preview from Mastering VMware vSphere™ 4
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A.10. Chapter 10: Managing Resource Allocation
Manage virtual machine memory and CPU allocation.
In a VMware vSphere environment, the ESX/ESXi hosts control virtual machine access to physical resources like RAM and CPU. To effectively manage and scale VMware vSphere, administrators must understand how to allocate memory and CPU resources to virtual machines, including how to use reservations, limits, and shares. Reservations provide guarantees to resources, limits provide a cap on resource usage, and shares help adjust the allocation of resources in a constrained environment.
Master It
To guarantee certain levels of performance, your IT director believes that all virtual machines must be configured with at least 2GB of RAM. However, you know ...
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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.