Description

Book Synopsis
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.

Table of Contents
Part I. Method 1. A Better Way to Optimize "You're Doing It Wrong" Requirements of a Good Method Three Impor tant Advances Tools for Analyzing Response Time Method R 2. Targeting the Right User Actions Specification Reliability Making a Good Specification Specification Over-Constraint 3. Targeting the Right Diagnostic Data Expectations About Data Collection Data Scope Oracle Diagnostic Data Sources For More Information 4. Targeting the Right Improvement Activity A New Standard of Customer Care How to Find the Economically Optimal Performance Improvement Activity Making Sense of Your Diagnostic Data Forecasting Project Net Payoff Part II. Reference 5. Interpreting Extended SQL Trace Data Trace File Walk-Through Extended SQL Trace Data Reference Response Time Accounting Evolution of the Res ponse Time Model Walking the Clock Forward Attribution Detailed Trace File Walk-Through Exercises 6. Collecting Extended SQL Trace Data Understanding Your Application Activating Extended SQL Trace Finding Your Trace File(s) Eliminating Collection Error Exercises 7. Oracle Kernel Timings Operating System Process Management Oracle Kernel Timings How Software Measures Itself Unaccounted-for Time Measurement Intrusion Effect CPU Consumption Double- Counting Quantization Error Time Spent Not Executing Un-Instrumented Oracle Kernel Code Exercises 8. Oracle Fixed View Data Deficiencies of Fixed View Data Fixed View Reference Useful Fixed View Queries The Oracle "Wait Interface" Exercises 9. Queueing Theory for the Oracle Practitioner Performance Models Queueing Queueing Theory The M/M/m Queueing Model Perspective Exercises Part III. Deployment10. Working the Resource Profile How to Work a Resource Profile How to Forecast Improvement How to Tell When Your Work Is Done 11. Responding to the Diagnosis Beyond the Resource Profile Response Time Components Eliminating Wasteful Work Attributes of a Scalable Application 12. Case Studies Case 1: Misled by System-Wide Data Case 2: Large CPU Service Duration Case 3 : Large SQL*Net Event Duration Case 4: Large Read Event Duration Conclusion Part IV. Appendixes A. Glossary B. Greek Alphabet C. Optimizing Your Database Buffer Cache Hit Ratio D. M/M/m Queueing Theory Formulas E. References.

Optimizing Oracle Performance

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A Paperback / softback by Cary Milsap, Jef Holt

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    Publisher: O'Reilly Media
    Publication Date: 21/10/2003
    ISBN13: 9780596005276, 978-0596005276
    ISBN10: 059600527X
    Also in:
    Database software

    Description

    Book Synopsis
    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.

    Table of Contents
    Part I. Method 1. A Better Way to Optimize "You're Doing It Wrong" Requirements of a Good Method Three Impor tant Advances Tools for Analyzing Response Time Method R 2. Targeting the Right User Actions Specification Reliability Making a Good Specification Specification Over-Constraint 3. Targeting the Right Diagnostic Data Expectations About Data Collection Data Scope Oracle Diagnostic Data Sources For More Information 4. Targeting the Right Improvement Activity A New Standard of Customer Care How to Find the Economically Optimal Performance Improvement Activity Making Sense of Your Diagnostic Data Forecasting Project Net Payoff Part II. Reference 5. Interpreting Extended SQL Trace Data Trace File Walk-Through Extended SQL Trace Data Reference Response Time Accounting Evolution of the Res ponse Time Model Walking the Clock Forward Attribution Detailed Trace File Walk-Through Exercises 6. Collecting Extended SQL Trace Data Understanding Your Application Activating Extended SQL Trace Finding Your Trace File(s) Eliminating Collection Error Exercises 7. Oracle Kernel Timings Operating System Process Management Oracle Kernel Timings How Software Measures Itself Unaccounted-for Time Measurement Intrusion Effect CPU Consumption Double- Counting Quantization Error Time Spent Not Executing Un-Instrumented Oracle Kernel Code Exercises 8. Oracle Fixed View Data Deficiencies of Fixed View Data Fixed View Reference Useful Fixed View Queries The Oracle "Wait Interface" Exercises 9. Queueing Theory for the Oracle Practitioner Performance Models Queueing Queueing Theory The M/M/m Queueing Model Perspective Exercises Part III. Deployment10. Working the Resource Profile How to Work a Resource Profile How to Forecast Improvement How to Tell When Your Work Is Done 11. Responding to the Diagnosis Beyond the Resource Profile Response Time Components Eliminating Wasteful Work Attributes of a Scalable Application 12. Case Studies Case 1: Misled by System-Wide Data Case 2: Large CPU Service Duration Case 3 : Large SQL*Net Event Duration Case 4: Large Read Event Duration Conclusion Part IV. Appendixes A. Glossary B. Greek Alphabet C. Optimizing Your Database Buffer Cache Hit Ratio D. M/M/m Queueing Theory Formulas E. References.

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