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Optimizing Oracle Performanceby Cary Millsap
Synopses & Reviews
Oracle system performance inefficiencies often go undetected for months or even years--even under intense scrutiny--because traditional Oracle performance analysis methods and tools are fundamentally flawed. They're unreliable and inefficient.Oracle DBAs and developers are all too familiar with the outlay of time and resources, blown budgets, missed deadlines, and marginally effective performance fiddling that is commonplace with traditional methods of Oracle performance tuning. In this crucial book, Cary Millsap, former VP of Oracle's System Performance Group, clearly and concisely explains how to use Oracle's response time statistics to diagnose and repair performance problems. Cary also shows how "queueing theory" can be applied to response time statistics to predict the impact of upgrades and other system changes.Optimizing Oracle Performance eliminates the time-consuming, trial-and-error guesswork inherent in most conventional approaches to tuning. You can determine exactly where a system's performance problem is, and with equal importance, where it is not, in just a few minutes--even if the problem is several years old.Optimizing Oracle Performance cuts a path through the complexity of current tuning methods, and streamlines an approach that focuses on optimization techniques that any DBA can use quickly and successfully to make noticeable--even dramatic--improvements.For example, the one thing database users care most about is response time. Naturally, DBAs focus much of their time and effort towards improving response time. But it is entirely too easy to spend hundreds of hours to improve important system metrics such as hit ratios, average latencies, and wait times, only to find users are unable to perceive the difference. And an expensive hardware upgrade may not help either.It doesn't have to be that way. Technological advances have added impact, efficiency, measurability, predictive capacity, reliability, speed, and practicality to the science of Oracle performance optimization. Optimizing Oracle Performance shows you how to slash the frustration and expense associated with unraveling the true root cause of any type of performance problem, and reliably predict future performance.The price of this essential book will be paid back in hours saved the first time its methods are used.
Book News Annotation:
Two highly regarded Oracle scientists focus on optimizing Oracle performance rather than ineffectually "tuning" it, elaborating on methods that work to identify performance bottlenecks and predict and quantify the performance improvements expected from upgrades. Annotation (c)2003 Book News, Inc., Portland, OR (booknews.com)
This text dispenses with database-centric metrics and instead shows how to use Oracle's response time statistics to diagnose performance problems in an Oracle application system.
About the Author
Jeff Holt is one of the world's most productive Oracle performance optimization specialists. He has tremendous experience in constructing training programs and software tools to optimize the system performance management process. He is a former support analyst and consultant at Oracle Corporation, where he served as a technology leader in the System Performance Group. He is the Hotsos Tools lead designer and developer, the author of several technical papers, a Hotsos founding employee, and a Hotsos Clinic principal developer.
Table of Contents
Dedication Foreword Preface Part I: Method Chapter 1: A Better Way to Optimize Chapter 2: Targeting the Right User Actions Chapter 3: Targeting the Right Diagnostic Data Chapter 4: Targeting the Right Improvement Activity Part II: Reference Chapter 5: Interpreting Extended SQL Trace Data Chapter 6: Collecting Extended SQL Trace Data Chapter 7: Oracle Kernel Timings Chapter 8: Oracle Fixed View Data Chapter 9: Queueing Theory for the Oracle Practitioner Part III: Deployment Chapter 10: Working the Resource Profile Chapter 11: Responding to the Diagnosis Chapter 12: Case Studies Part IV: Appendixes Colophon
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