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eBooks from John Allspaw
All books and eBooks by John Allspaw:
The Art of Capacity Plan...
Scaling Web Resources
by John Allspaw
Chapter 1 CHAPTER ONE Goals, Issues, and Processes in Capacity Planning T HIS CHAPTER IS DESIGNED TO HELP YOU ASSEMBLE AND USE THE WEALTH OF TOOLS AND TECHNIQUES presented in the following chapters. If you do not grasp the concepts introduced in this chap- ter, reading the remainder of this book will be like setting out on the open ocean without knowing how to use a compass, sextant, or GPS device—you can go around in circles forever. When you break them down, capacity planning and management—the steps taken to organize the resources your site needs to run properly—are, in fact, simple processes. You begin by asking the question: what performance do you need from your website? First, define the application’s overall load and capacity requirements using specific metrics, such as response times, consumable capacity, and peak-driven processing. Peak-driven processing is the workload experienced by your application’s resources (web servers, data-
(2008)
Web Operations
Keeping the Data on Time
by John Allspaw and Jesse Robbins
Web Operations: Keeping the Data on Time Edited by John Allspaw and Jesse Robbins Copyright © 2010 O’Reilly Media, Inc. All rights reserved. Printed in the United States of America. Published by O’Reilly Media, Inc., 1005 Gravenstein Highway North, Sebastopol, CA 95472. O’Reilly books may be purchased for educational, business, or sales promotional use. Online editions are also available for most titles (http://my.safaribooksonline.com). For more information, contact our corporate/institutional sales department: (800) 998-9938 or corporate@oreilly.com. Editor: Mike Loukides Indexer: Jay Marchand Production Editor: Loranah Dimant Cover Designer: Karen Montgomery Copyeditor: Audrey Doyle Interior Designer: Ron Bilodeau Production Services: Newgen, Inc. Illustrator: Robert Romano Printing History: June 2010: First Edition. The O’Reilly logo is a registered trademark of O’Reilly Media, Inc. Web Operations: Keeping the Data on Time, the cover image, and related trade dress are trademarks of O’Reilly Media, Inc. Many of the designations used by manufacturers and sellers to
(2010)
