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PostgreSQL-90-High-Performance.pdf
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PostgreSQL 9.0
High Performance
Accelerate your PostgreSQL system and avoid the
common pitfalls that can slow it down
Gregory Smith
BIRMINGHAM - MUMBAI
PostgreSQL 9.0 High Performance
Copyright © 2010 Packt Publishing
All rights reserved. No part of this book may be reproduced, stored in a retrieval
system, or transmitted in any form or by any means, without the prior written
permission of the publisher, except in the case of brief quotations embedded in
critical articles or reviews.
Every effort has been made in the preparation of this book to ensure the accuracy
of the information presented. However, the information contained in this book is
sold without warranty, either express or implied. Neither the author, nor Packt
Publishing, and its dealers and distributors will be held liable for any damages
caused or alleged to be caused directly or indirectly by this book.
Packt Publishing has endeavored to provide trademark information about all of the
companies and products mentioned in this book by the appropriate use of capitals.
However, Packt Publishing cannot guarantee the accuracy of this information.
First published: October 2010
Production Reference: 1141010
Published by Packt Publishing Ltd.
32 Lincoln Road
Olton
Birmingham, B27 6PA, UK.
ISBN 978-1-849510-30-1
www.packtpub.com
Cover Image by Asher Wishkerman (a.wishkerman@mpic.de)
Credits
Author
Gregory Smith
Reviewers
Kevin Grittner
Jim Mlodgenski
Scott Marlowe
Acquisition Editor
Sarah Cullington
Development Editors
Hyacintha D'Souza
Mayuri Kokate
Technical Editors
Sakina Kaydawala
Alfred John
Indexer
Hemangini Bari
Tejal Daruwale
Editorial Team Leader
Mithun Sehgal
Project Team Leader
Lata Basantani
Project Coordinator
Srimoyee Ghoshal
Proofreader
Aaron Nash
Production Coordinator
Aparna Bhagat
Cover Work
Aparna Bhagat
About the Author
Gregory Smith is a Principal Consultant for international database professional
services rm 2ndQuadrant, and founder of the company's rst United States ofce.
Writing about PostgreSQL represents his second foray into teaching database
performance tuning. Greg wrote a small, free e-book titled Progress Performance FAQ
in 1995, covering the basics of how to make the Progress 4GL and its associated
database run faster. In 2001, he converted exclusively to using PostgreSQL 7.0 for
projects, and has been watching the complexity of problems the database is capable
of solving increase with every release since.
Greg has contributed feature additions to every PostgreSQL version since 8.3. He's
also the creator of a growing set of add-on tools for the database, currently including
pgtune, pgbench-tools, peg, and 2warm.
I was able to focus on the material in this book well enough to do
it justice only through the support provided by Simon Riggs and
the rest of the 2ndQuadrant staff around the world. The exposure
to interesting problems to solve, and resources to solve them, has
made working with 2ndQuadrant staff and clients a fertile source for
PostgreSQL performance ideas over the last year.
The writing schedule pace needed to deliver a current book covering
a major new database release just after it ships is grueling. I'd never
have made it through so many weeks of working all seven days
without the support of my family: Judy, Jerry, and Amanda.
Finally, the material in this book only exists because of the hundreds
of contributors to the PostgreSQL project. And without the free
sharing of ideas on mailing lists like pgsql-performance and pgsql-
hackers the last few years, I'd never have been able to collect up
such a wide survey of common performance issues. Whether it was
having my own questions answered, or carefully considering how to
answer someone else's, the interaction on those mailing lists has been
vital to forming the ideas of this book.
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