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Baron Schwartz - High performance MySQL: optimization, backups, replication and load balancing

Here you can read online Baron Schwartz - High performance MySQL: optimization, backups, replication and load balancing full text of the book (entire story) in english for free. Download pdf and epub, get meaning, cover and reviews about this ebook. City: Sebastopol;Ca, year: 2004;2008, publisher: OReilly Media, genre: Home and family. Description of the work, (preface) as well as reviews are available. Best literature library LitArk.com created for fans of good reading and offers a wide selection of genres:

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High Performance MySQL is the definitive guide to building fast, reliable systems with MySQL. Written by noted experts with years of real-world experience building very large systems, this book covers every aspect of MySQL performance in detail, and focuses on robustness, security, and data integrity. Learn advanced techniques in depth so you can bring out MySQLs full power. The second edition is completely revised and greatly expanded, with deeper coverage in all areas.

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High Performance MySQL, 2nd Edition
Baron Schwartz
Peter Zaitsev
Vadim Tkachenko
Jeremy D. Zawodny
Arjen Lentz
Derek J. Balling
Editor
Andy Oram

Copyright 2008 Peter Zaitsev,Vadim Tkachenko,Arjen Lentz,Baron Schwartz, Peter Zaitsev, Vadim Tkachenko, Arjen Lentz, Baron Schwartz

O'Reilly books may be purchased for educational, business, or sales promotional use. Online editions are also available for most titles (.

Nutshell Handbook, the Nutshell Handbook logo, and the O'Reilly logo are registered trademarks of O'Reilly Media, Inc. High Performance MySQL , the image of a sparrow hawk, and related trade dress are trademarks of O'Reilly Media, Inc.

Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and O'Reilly Media, Inc. was aware of a trademark claim, the designations have been printed in caps or initial caps.

While every precaution has been taken in the preparation of this book, the publisher and authors assume no responsibility for errors or omissions, or for damages resulting from the use of the information contained herein.

OReilly Media Foreword I have known Peter Vadim and Arjen a long time and - photo 1

O'Reilly Media

Foreword

I have known Peter, Vadim, and Arjen a long time and have witnessed their long history of both using MySQL for their own projects and tuning it for a lot of different high-profile customers. On his side, Baron has written client software that enhances the usability of MySQL.

The authors' backgrounds are clearly reflected in their complete reworking in this second edition of High Performance MySQL: Optimizations, Replication, Backups, and More . It's not just a book that tells you how to optimize your work to use MySQL better than ever before. The authors have done considerable extra work, carrying out and publishing benchmark results to prove their points. This will give you, the reader, a lot of valuable insight into MySQL's inner workings that you can't easily find in any other book. In turn, that will allow you to avoid a lot of mistakes in the future that can lead to suboptimal performance.

I recommend this book both to new users of MySQL who have played with the server a little and now are ready to write their first real applications, and to experienced users who already have well-tuned MySQL-based applications but need to get "a little more" out of them.

Michael Widenius

March 2008

Preface

We had several goals in mind for this book. Many of them were derived from thinking about that mythical perfect MySQL book that none of us had read but that we kept looking for on bookstore shelves. Others came from a lot of experience helping other users put MySQL to work in their environments.

We wanted a book that wasn't just a SQL primer. We wanted a book with a title that didn't start or end in some arbitrary time frame (" in Thirty Days," "Seven Days To a Better ") and didn't talk down to the reader. Most of all, we wanted a book that would help you take your skills to the next level and build fast, reliable systems with MySQLone that would answer questions like "How can I set up a cluster of MySQL servers capable of handling millions upon millions of queries and ensure that things keep running even if a couple of the servers die?"

We decided to write a book that focused not just on the needs of the MySQL application developer but also on the rigorous demands of the MySQL administrator, who needs to keep the system up and running no matter what the programmers or users may throw at the server. Having said that, we assume that you are already relatively experienced with MySQL and, ideally, have read an introductory book on it. We also assume some experience with general system administration, networking, and Unix-like operating systems.

This revised and expanded second edition includes deeper coverage of all the topics in the first edition and many new topics as well. This is partly a response to the changes that have taken place since the book was first published: MySQL is a much larger and more complex piece of software now. Just as importantly, its popularity has exploded. The MySQL community has grown much larger, and big corporations are now adopting MySQL for their mission-critical applications. Since the first edition, MySQL has become recognized as ready for the enterprise. [] People are also using it more and more in applications that are exposed to the Internet, where downtime and other problems cannot be concealed or tolerated.

As a result, this second edition has a slightly different focus than the first edition. We emphasize reliability and correctness just as much as performance, in part because we have used MySQL ourselves for applications where significant amounts of money are riding on the database server. We also have deep experience in web applications, where MySQL has become very popular. The second edition speaks to the expanded world of MySQL, which didn't exist in the same way when the first edition was written.

How This Book Is Organized

We fit a lot of complicated topics into this book. Here, we explain how we put them together in an order that makes them easier to learn.

A Broad Overview

, MySQL Architecture , is dedicated to the basicsthings you'll need to be familiar with before you dig in deeply. You need to understand how MySQL is organized before you'll be able to use it effectively. This chapter explains MySQL's architecture and key facts about its storage engines. It helps you get up to speed if you aren't familiar with some of the fundamentals of a relational database, including transactions. This chapter will also be useful if this book is your introduction to MySQL but you're already familiar with another database, such as Oracle.

Building a Solid Foundation

The next four chapters cover material you'll find yourself referencing over and over as you use MySQL.

, Finding Bottlenecks: Benchmarking and Profiling , discusses the basics of benchmarking and profilingthat is, determining what sort of workload your server can handle, how fast it can perform certain tasks, and so on. You'll want to benchmark your application both before and after any major change, so you can judge how effective your changes are. What seems to be a positive change may turn out to be a negative one under real-world stress, and you'll never know what's really causing poor performance unless you measure it accurately.

In , Schema Optimization and Indexing , we cover the various nuances of data types, table design, and indexes. A well-designed schema helps MySQL perform much better, and many of the things we discuss in later chapters hinge on how well your application puts MySQL's indexes to work. A firm understanding of indexes and how to use them well is essential for using MySQL effectively, so you'll probably find yourself returning to this chapter repeatedly.

might be useful.) This chapter also presents specific examples of virtually all common classes of queries, illustrating where MySQL does a good job and how to transform queries into forms that take advantage of its strengths.

Up to this point, we've covered the basic topics that apply to any database: tables, indexes, data, and queries. , Advanced MySQL Features , goes beyond the basics and shows you how MySQL's advanced features work. We examine the query cache, stored procedures, triggers, character sets, and more. MySQL's implementation of these features is different from other databases, and a good understanding of them can open up new opportunities for performance gains that you might not have thought about otherwise.

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