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Performance Tuning for Linux® Servers
book

Performance Tuning for Linux® Servers

by Sandra K. Johnson, Gerrit Huizenga, Badari Pulavarty
May 2005
Intermediate to advanced content levelIntermediate to advanced
576 pages
13h 46m
English
IBM Press
Content preview from Performance Tuning for Linux® Servers

Chapter Nine. The Linux Virtual Memory—Performance Implications

By Dominique Heger

Introduction

The virtual memory subsystem can be considered the core of any UNIX system. This chapter discusses the implementation of the virtual memory system and the effects and impacts on almost every other subsystem in the operating system. The chapter first elaborates on some of the basic memory management issues; secondly, it outlines a more detailed analysis of how the Linux operating system incorporates virtual memory management tasks. The virtual memory subsystem enables a process (also labeled a task or default thread) to view linear ranges of bytes in the address space. This is allowed regardless of the physical layout or the fragmentation encountered in ...

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Publisher Resources

ISBN: 013144753XPurchase book