Chapter 1. Starting with Performance Tuning
Performance tuning is a complex process, which requires a deep knowledge of both physical and logical database structures. In this chapter, we will introduce the process and methodology to adopt in performance tuning an Oracle Database, covering the following recipes:
Reviewing the performance tuning process
Exploring the example database
Acquiring data using a data dictionary and dynamic performance views
Analyzing data using Statspack report
Diagnosing performance issues using the alert log
Analyzing data using Automatic Workload Repository (AWR)
Analyzing data using Automatic Database Diagnostic Monitor (ADDM)
A working example