دوره آموزش Oracle Performance Tuning

1. ادمین‌های Database
2. کلیه افرادی که به دنبال کار در حوزه اوراکل می‌باشند

Basic Tuning Tools

Learning Objectives : This chapter provides an introduction to performance tuning scenarios and its tools.

Topics Include

Oracle Performance Tuning Tools
Monitoring tools overview
Enterprise Manager
V$ Views, Statistics and Metrics
Wait Events

Practicals Covered

Here, candidates get a knowledge regarding tuning Oracle Database tutorial for performance.

Using Automatic Workload Repository

Learning Objectives

Explore and collect the performance statistics on usages of Automatic Workload Repository.

Topics Include

Managing the Automatic Workload Repository Create AWR Snapshots
Oracle Performance Tuning Techniques
Real-Time SQL Monitoring

Practicals Covered : Users here learn about the AWR features and reports.

Defining Problems

Learning Objectives : Tuning system to tailor and define problems and way to resolve them by best meeting your business needs.

Topics Include

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

Practicals Covered

Candidates learn to tune in the system planning and define problems at different phases.

Using Metrics and Alerts

Learning Objectives

A built-in alerts infrastructure to notify usage of metrics and ways to manage it.

Topics Include

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.

Practicals Covered

Prospects learn to use performance metrics and alerts to detect usual functionalities and changes if any.

Using Baselines

Learning Objectives : This chapter will explain how to manage SQL Plan baselines-including selecting and evolving baselines.

Topics Include

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.

Practicals Covered

Candidates learn to capture the baselines along with some derived examples.

Using AWR Based Tools

Learning Objectives

This module lays focus on application of AWR based tools depending on its investigation derived.

Topics Include

Automatic Maintenance Tasks
ADDM Performance Monitoring
Active Session History: Overview

Practicals Covered

Prospects explore the chances of applications of tools within several scenarios.

Monitoring an Application

Learning Objectives

This module lays strong foundation on how to learn to monitor and access the overall performance of an application.

Topics Include

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.

Practicals Covered

Candidates learn the usage of monitoring the application performance in real time.

Identifying Problem SQL Statements

Learning Objectives

This chapter discusses goals for identifying problem SQL statements.

Topics Include

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

Practicals Covered

Students here learn way of identifying and troubleshooting problems within SQL statements.

Influencing the Optimizer

Learning Objectives

This section holds information regarding adequate Optimizer defaults for majority of operations.

Topics Include

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.

Practicals Covered

Prospects here explore the ways to tune the optimizer for a specific type of workload and influence it further to provide better performance.

Using SQL Performance Analyzer

Learning Objectives

The chapter covers the concepts of SQL tuning sets with the SQL Performance Analyzer.

Topics Include

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.

Practicals Covered

Users can now analyze the performance of the statements either major or minor in a SQL Performance Analyzer.

SQL Performance Management

Learning Objectives

In this course, candidates are introduced to diagnosis of performance management and its related issues.

Topics Include

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

Practicals Covered

Candidates here learn about the performance analysis and tuning tasks expected out of a DBA.

Using Database Replay

Learning Objectives

This chapter typically explains how to replay a database workload on the test system.

Topics Include

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

Practicals Covered

Candidates here can explore about the replay system that is running the same version of Oracle Database.

Tuning the Shared Pool

Learning Objectives

This chapter explains how to tune the shared pool and the large pool.

Topics Include

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.

Practicals Covered

Users learn about the management of shared pool and large pool to manually apply the tuning process.

Tuning the Buffer Cache

Learning Objectives

This chapter describes how to tune the database buffer cache.

Topics Include

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).

Practicals Covered

Users learn to manage the database memory on individual systems and learn to manually tune the memory caches.

Tuning PGA and Temporary Space

Learning Objectives

This chapter discusses about basics of tuning the PGA.

Topics Include

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.

Practicals Covered : Firstly, candidates learn about the scenario when PGA is tuned manually and how the problems can be resolved under automatic tuning.

Automatic Memory Management

Learning Objectives : This section provides background information on Automatic Memory Management feature.

Topics Include

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.

Practicals Covered

Candidates are enabled with the instructions for executing the AMM feature of Oracle Database.

Tuning Segment Space Usage

Learning Objectives : This chapter contains an overview of the Oracle methodology for configuring a database for performance.

Topics Include

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.

Practicals Covered

Candidates here learn to execute performance modifications to Oracle Database on an ongoing process.

Tuning I/O

Learning Objectives

This chapter explains how to avoid Input/Output bottlenecks that could prevent Oracle from performing at its maximum potential.

Topics Include

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?

Practicals Covered

Prospects learn to tune I/O to enhance performance of a disk that contains database files and which is operating at its capacity.

Performance Tuning Summary

Learning Objectives

This chapter lays focus on most efficient and effective way to Optimize an Oracle database and tune their layers.

Topics Include

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