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More About This Textbook
Editorial Reviews
From The Critics
Whalen and Schroeter run a performance tuning company, and here explain how to configure the Oracle database software package to perform optimally. Tuning must be done holistically, they argue, and optimal performance cannot be achieved by focusing on one part of the system. So they explore all areas from SQL statements to the operation of the disk drive. There is no bibliography. Annotation c. Book News, Inc., Portland, OR (booknews.com)Product Details
Related Subjects
Table of Contents
Preface
For us, performance engineers, one of the problems that we see in the industry today is the introduction of large disk drives. At one time, it would have been necessary to configure 10 disk drives to hold the data that you have generated; you can now store the same data in 1 disk drive. What many people don't know is that this 1 disk drive is 10 times slower than 10 smaller disk drives. In this book, concepts such as this will be explained and explored.
Our philosophy in writing this book is that tuning must be done holistically. You cannot focus on one part of the system and achieve optimal performance. It is necessary to look at the application, the Oracle instance, the operating system, and the hardware and I/O subsystem to achieve optimal performance. In this book, we explore all areas of the system from SQL statements down to the operation of the disk drive.
We hope that you will use this book not only as a guide for learning Oracle performance tuning, but as a reference as well.
How to Use This Book
To keep the book interesting, we have added some personal anecdotes relevant to thesubject matter. We hope we have conveyed some of the excitement that comes when you push systems to their limits. Those of us who work in the database performance field constantly push the envelope of technology to achieve new levels of performance previously thought impossible. This kind of experimentation can be satisfying when everything works well, but frustrating when it doesn't.
Our hope is that, having read this book, you will have a basic understanding of how the components of the system work together to form the whole. If you have this foundation, you should be able to tackle a performance problem, know what to look for, and know how to fix it. Not all performance problems are alike, and solutions aren't either. It is important that you have a basic understanding of what to look for and what the possible solutions are.
If we have done our jobs correctly, you should finish this book with the ability to analyze the problem, hypothesize a solution, test that solution, and understand the result. We hope this book gives novices an idea of what performance engineering is all about. Seasoned professionals should receive new insight and ideas. By applying this newly acquired knowledge, you will find that tackling even the most complex performance problems can be broken down into simple, manageable tasks.