Oracle Performance Tuning Training in Chennai:

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Oracle Performance Tuning Training Syllabus:

Basic Tuning Tools

  • Monitoring tools overview
  • Enterprise Manager
  • V$ Views, Statistics and Metrics
  • Wait Events

Using Automatic Workload Repository

  • Managing the Automatic Workload Repository Create AWR Snapshots
  • Real-Time SQL Monitoring

Defining Problems

  • Defining the Problem
  • Limit the Scope & Setting the Priority
  • Top SQL Reports
  • Common Tuning Problems & Tuning During the Life Cycle
  • ADDM Tuning Session
  • Performance Versus Business Requirements
  • Performance Tuning Resources & Filing a Performance Service Request
  • Monitoring and Tuning Tools: Overview

Using Metrics and Alerts

  • Metrics, Alerts, and Baselines
  • Limitation of Base Statistics & Typical Delta Tools
  • Oracle Database 11g Solution: Metrics
  • Benefits of Metrics
  • Viewing Metric History Information & using EM to View Metric Details
  • Statistic Histograms & Histogram Views
  • Database Control Usage Model & Setting Thresholds
  • Server-Generated Alerts, Creating and Testing an Alert & Metric and Alert Views

Using Baselines

  • Comparative Performance Analysis with AWR Baselines
  • Automatic Workload Repository Baselines
  • Moving Window Baseline
  • Baselines in Performance Page Settings & Baseline Templates
  • AWR Baselines & Creating AWR Baselines
  • Managing Baselines with PL/SQL & Baseline Views
  • Performance Monitoring and Baselines & Defining Alert Thresholds Using a Static Baseline
  • Using EM to Quickly Configure & Changing Adaptive Threshold Settings

Using AWR Based Tools

  • Automatic Maintenance Tasks
  • ADDM Performance Monitoring
  • Active Session History: Overview

Monitoring an Application

  • What Is a Service? Service Attributes & Service Types
  • Creating Services & Managing Services in a Single-Instance Environment
  • Everything Switches to Services.
  • Using Services with Client Applications & Using Services with the Resource Manager
  • Services and Resource Manager with EM & Using Services with the Scheduler
  • Using Services with Parallel Operations & Metric Thresholds
  • Service Aggregation and Tracing & Service Aggregation Configuration.
  • Client Identifier Aggregation and Tracing & Service Performance Views

Identifying Problem SQL Statements

  • SQL Statement Processing Phases & Role of the Oracle Optimizer
  • Identifying Bad SQL, Real Time SQL Monitoring & TOP SQL Reports
  • What Is an Execution Plan? Methods for Viewing Execution Plans & Uses of Execution Plans
  • DBMS_XPLAN Package: Overview & EXPLAIN PLAN Command
  • Reading an Execution Plan, Using the V$SQL_PLAN View & Querying the AWR
  • SQL*Plus AUTOTRACE & SQL Trace Facility
  • How to Use the SQL Trace Facility
  • Generate an Optimizer Trace

Influencing the Optimizer

  • Functions of the Query Optimizer, Selectivity, Cardinality and Cost & Changing Optimizer Behaviour
  • Using Hints, Optimizer Statistics & Extended Statistics
  • Controlling the Behaviour of the Optimizer with Parameters
  • Enabling Query Optimizer Features & Influencing the Optimizer Approach
  • Optimising SQL Statements, Access Paths & Choosing an Access Path
  • Join & Sort Operations
  • How the Query Optimizer Chooses Execution Plans for Joins
  • Reducing the Cost

Using SQL Performance Analyzer

  • Real Application Testing: Overview & Use Cases
  • SQL Performance Analyzer: Process & Capturing the SQL Workload
  • Creating an SQL Performance Analyzer Task & SPA (NF Lesson 9) DBMS_SQLTUNE.CREATE_TUNING_TASK
  • Optimizer Upgrade Simulation & SQL Performance Analyzer Task Page
  • Comparison Report & Comparison Report SQL Detail
  • Tuning Regressing Statements & Preventing Regressions
  • Parameter Change Analysis & Guided Workflow Analysis
  • SQL Performance Analyzer: PL/SQL Example & Data Dictionary Views

SQL Performance Management

  • Maintaining SQL Performance and Optimizer Statistics & Automated Maintenance Tasks
  • Statistics Gathering Options & Setting Statistic Preferences
  • Restore Statistics
  • Deferred Statistics Publishing: Overview & Example
  • Automatic SQL Tuning: Overview
  • SQL Tuning Advisor: Overview
  • Using the SQL Access Advisor
  • SQL Plan Management: Overview

Using Database Replay

  • The Big Picture & System Architecture
  • Capture & Replay Considerations
  • Replay Options & Analysis
  • Database Replay Workflow in Enterprise Manager
  • Packages and Procedures
  • Data Dictionary Views: Database Replay
  • Database Replay: PL/SQL Example
  • Calibrating Replay Clients

Tuning the Shared Pool

  • Shared Pool Architecture & Operation
  • The Library Cache & Latch and Mutex
  • Diagnostic Tools for Tuning the Shared Pool
  • Avoiding Hard & Soft Parses
  • Sizing the Shared Pool & Avoiding Fragmentation
  • Data Dictionary Cache & SQL Query Result Cache
  • UGA and Oracle Shared Server
  • Large Pool & Tuning the Large Pool

Tuning the Buffer Cache

  • Oracle Database Architecture: Buffer Cache
  • Database Buffers
  • Buffer Hash Table for Lookups
  • Working Sets
  • Buffer Cache Tuning Goals and Techniques
  • Buffer Cache Performance Symptoms & Solutions
  • Automatically Tuned Multiblock Reads
  • Flushing the Buffer Cache (for Testing Only)

Tuning PGA and Temporary Space

  • SQL Memory Usage & Performance Impact
  • SQL Memory Manager
  • Configuring Automatic PGA Memory & Setting PGA_AGGREGATE_TARGET Initially
  • Monitoring & Tuning SQL Memory Usage
  • PGA Target Advice Statistics & Histograms
  • Automatic PGA and Enterprise Manager & Automatic PGA and AWR Reports
  • Temporary Tablespace Management: Overview & Monitoring Temporary Tablespace
  • Temporary Tablespace Shrink & Tablespace Option for Creating Temporary Table

Automatic Memory Management

  • Oracle Database Architecture, Dynamic SGA & Memory Advisories
  • Granule & Manually Adding Granules to Components
  • Increasing the Size of an SGA Component, SGA Sizing Parameters & Manually Resizing Dynamic SGA Parameters
  • Automatic Shared Memory Management & Memory Broker Architecture
  • Behaviour of Auto-Tuned & Manually Tuned SGA Parameters
  • Using the V$PARAMETER View & Resizing SGA_TARGET
  • Disabling, Configuring & Monitoring Automatic Shared Memory Management (ASMM)
  • Automatic Memory Management

Tuning Segment Space Usage

  • Space and Extent Management & Locally Managed Extents
  • How Table Data Is Stored & Anatomy of a Database Block
  • Minimize Block Visits
  • The DB_BLOCK_SIZE Parameter
  • Small & Large Block Size: Considerations
  • Block Allocation, Free Lists & Block Space Management with Free Lists
  • Automatic Segment Space Management
  • Migration and Chaining, Shrinking Segments & Table Compression: Overview

Tuning I/O

  • I/O Architecture, File System Characteristics, I/O Modes & Direct I/O
  • Bandwidth Versus Size & Important I/O Metrics for Oracle Databases
  • I/O Calibration and Enterprise Manager, I/O Calibration and the PL/SQL Interface & I/O Statistics and Enterprise Manager
  • Stripe and Mirror Everything
  • Using RAID
  • I/O Diagnostics
  • Database I/O Tuning
  • What Is Automatic Storage Management?

Performance Tuning Summary

  • Best practices identified throughout the course
  • Summarise the performance tuning methodology

Appendix B: Using Statspack

  • Installing Statspack
  • Capturing Statspack Snapshots
  • Reporting with Statspack
  • Statspack Considerations
  • Statspack and AWR Reports
  • Reading a Statspack Report
  • Statspack and AWR