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Virtualization Essentials, 2nd Edition by Matthew Portnoy

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Chapter 8Managing Memory for a Virtual Machine

Memory, like the central processing unit (CPU), is a crucial part of the virtual machine. Unlike the CPU, memory is usually the resource that is consumed the fastest. Hypervisors abstract memory by handling data blocks between the server's physical memory and what has been allocated to the virtual machines. The management of memory resources by both the hypervisor and the administrator is important for effective use of the physical resources.

  • Understanding memory virtualization
  • Configuring VM memory options
  • Tuning practices for VM memory

Understanding Memory Virtualization

Fifteen years ago, the concept of computer memory was isolated in a few pockets of people who, in some way or another, ...

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