Oracle Database 12C: Performance Management and Tuning New

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About this Course

In the Oracle Database 12c: Performance Management and Tuning course, learn about the performance analysis and tuning tasks expected of a DBA: proactive management through built-in performance analysis features and tools, diagnosis and tuning of the Oracle Database instance components, and diagnosis and tuning of SQL-related performance issues.

Audience Profile

  • Data Warehouse Administrator
  • Database Administrators

At Course Completion

Upon completing this course, students will be able to:

  • Use the Oracle Database tuning methodology appropriate to the available tools
  • Utilize database advisors to proactively tune an Oracle Database Instance
  • Use the tools based on the Automatic Workload Repository to tune the database
  • Diagnose and tune common SQL related performance problems
  • Diagnose and tune common Instance related performance problems
  • Use Enterprise Manager performance-related pages to monitor an Oracle Database

Course Outline

Introduction

  • Course Objectives
  • Course Organization
  • Course Agenda
  • Topics Not Included in the Course
  • Who Tunes?
  • What Does the DBA Tune?
  • How to Tune
  • Tuning Methodology

Basic Tuning Diagnostics

  • Performance Tuning Diagnostics
  • Performance Tuning Tools
  • Tuning Objectives
  • Top Timed Events
  • DB Time
  • CPU and Wait Time Tuning Dimensions
  • Time Model
  • Dynamic Performance Views

Using Automatic Workload Repository

  • Automatic Workload Repository Overview
  • Automatic Workload Repository Data
  • Enterprise Manager Cloud Control and AWR
  • Snapshots
  • Reports
  • Compare Periods

Defining the Scope of Performance Issues

  • Defining the Problem
  • Limiting the Scope
  • Setting the Priority
  • Top SQL Reports
  • Common Tuning Problems
  • Tuning During the Life Cycle
  • ADDM Tuning Session
  • Performance Versus Business Requirements

Using Metrics and Alerts

  • Metrics and Alerts Overview
  • Limitation of Base Statistics
  • Benefits of Metrics
  • Viewing Metric History Information
  • Viewing Histograms
  • Server-Generated Alerts
  • Setting Thresholds
  • Metrics and Alerts Views

Using Baselines

  • Comparative Performance Analysis with AWR Baselines
  • Automatic Workload Repository Baselines
  • Moving Window Baseline
  • Baselines in Performance Page Settings
  • Baseline Templates
  • AWR Baseslines
  • Creating AWR Baselines
  • Managing Baselines with PL/SQL

Using AWR-Based Tools

  • Automatic Maintenance Tasks
  • ADDM Performance Monitoring
  • Using Compare Periods ADDM
  • Active Session History
  • New or Enhanced Automatic Workload Repository Views
  • Emergency Monitoring
  • Real-time ADDM

Real-Time Database Operation Monitoring

  • Overview
  • Use Cases
  • Defining a Database Operation
  • Scope of a Composite Database Operation
  • Database Operation Concepts
  • Identifying a Database Operation
  • Enabling Monitoring of Database Operations
  • Identifying, Starting, and Completing a Database Operation

Monitoring Applications

  • What is a Service?
  • Service Attributes
  • Service Types
  • Creating Services
  • Managing Services in a Single-Instance Environment
  • Where are Services Used?
  • Using Services with Client Applications
  • Services and Pluggable Databases

Identifying Problem SQL Statements

  • SQL Statement Processing Phases
  • Role of the Oracle Optimizer
  • Identifying Bad SQL
  • Top SQL Reports
  • SQL Monitoring
  • What is an Execution Plan?
  • Methods for Viewing Execution Plans
  • Uses of Execution Plans

Influencing the Optimizer

  • Functions of the Query Optimizer
  • Selectivity
  • Cardinality and Cost
  • Changing Optimizer Behavior
  • Optimizer Statistics
  • Extended Statistics
  • Controlling the Behavior of the Optimizer with Parameters
  • Enabling Query Optimizer Features

Reducing the Cost of SQL Operations

  • Reducing the Cost
  • Index Maintenance
  • SQL Access Advisor
  • Table Maintenance for Performance
  • Table Reorganization Methods
  • Space Management
  • Extent Management
  • Data Storage

Using SQL Performance Analyzer

  • Real Application Testing: Overview
  • Real Application Testing: Use Cases
  • SQL Performance Analyzer: Process
  • Capturing the SQL Workload
  • Creating a SQL Performance Analyzer Task
  • SQL Performance Analyzer: Tasks
  • Parameter Change
  • SQL Performance Analyzer Task Page

SQL Performance Management

  • Maintaining SQL Performance
  • Maintaining Optimizer Statistics
  • Automated Maintenance Tasks
  • Statistic Gathering Options
  • Setting Statistic Preferences
  • Restore Statistics
  • Deferred Statistics Publishing
  • Automatic SQL Tuning

Using Database Replay

  • Using Database Replay
  • The Big Picture
  • System Architecture
  • Capture Considerations
  • Replay Considerations: Preparation
  • Replay Considerations
  • Replay Options
  • Replay Analysis

Tuning the Shared Pool

  • Shared Pool Architecture
  • Shared Pool Operation
  • The Library Cache
  • Latch and Mutex
  • Diagnostic Tools for Tuning the Shared Pool
  • Avoiding Hard Parses
  • Reducing the Cost of Soft Parses
  • Sizing the Shared Pool

Tuning the Buffer Cache

  • Oracle Database Architecture: Buffer Cache
  • Buffer Cache: Highlights
  • Database Buffers
  • Buffer Hash Table for Lookups
  • Working Sets
  • Buffer Cache Tuning Goals and Techniques
  • Buffer Cache Performance Symptoms
  • Buffer Cache Performance Solutions

Tuning PGA and Temporary Space

  • SQL Memory Usage
  • Performance Impact
  • Automatic PGA Memory
  • SQL Memory Manager
  • Configuring Automatic PGA Memory
  • Setting PGA_AGGREGATE_TARGET Initially
  • Limiting the size of the Program Global Area (PGA)
  • SQL Memory Usage

Automatic Memory

  • Oracle Database Architecture
  • Dynamic SGA
  • Granule
  • Memory Advisories
  • Manually Adding Granules to Components
  • Increasing the Size of an SGA Component
  • Automatic Shared Memory Management: Overview
  • SGA Sizing Parameters: Overview

Performance Tuning Summary with Waits

  • Commonly Observed Wait Events
  • Additional Statistics
  • Top 10 Mistakes Found in Customer Systems
  • Symptoms

Performance Tuning Summary

  • Initialization Parameters and their Impact on Performance
  • Initial Memory Sizing
  • Tuning the Large Pool
  • Best Practices for Different Types of Tablespaces
  • Block Sizes
  • Sizing the Redo Log Buffer and Redo Log Files
  • Automatic Statistics Gathering
  • Commonly Observed Wait Events