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Windows Performance Analysis Field Guide
book

Windows Performance Analysis Field Guide

by Clint Huffman
August 2014
Intermediate to advanced content levelIntermediate to advanced
380 pages
10h 16m
English
Syngress
Content preview from Windows Performance Analysis Field Guide
Chapter 8

Physical memory

Abstract

This chapter covers how physical memory is managed by the operating system, how to identify low-memory conditions, and how to alleviate those conditions.

Keywords

Windows

Server

Physical

Memory

Working set

AWE

Page fault

Introduction

Physical memory (also known as random-access memory (RAM)) is a form of very fast, but volatile data storage. RAM modules are typically measured in nanoseconds (1000− 3), and physical disks are typically measured in milliseconds (1000− 1). This makes physical memory roughly 100,000 times faster than a common physical disk. Therefore, when possible, Windows and Windows Server keep the most frequently accessed pages of memory in physical memory and rely on a disk only if needed.

When a system is ...

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Publisher Resources

ISBN: 9780124167018