دوره Oracle Performance Tuning

هدف از برگزاری دورهOracle Performance Tuning یادگیری راهکارهای اوراکل جهت بهبود سرعت و وضعیت DB می باشد

مروری بر دوره

شما در این دوره چگونگی برطرف کردن Wait های مربوط به قسمت های مختلف اوراکل در حافظه و دیسک ، پیکربندیOracle Cloud Controller  ، بررسی  مشکلات با استفاده از گزارشات AWR ، بررسی انواع Wait ها در Category  های مختاف و همچنین  مباحث Tuning  در قسمت های مختلف Share Pool را خواهید آموخت . همچنین در این دوره با Feature های جدید 12C نیز آشنا خواهید شد.

کمپین آغاز سال تحصیلی جدید

آنچه خواهید آموخت

مباحث اصلی که در این نسخه از دوره به آن اضافه شده است عبارت است از:

  1. مبحث Server Pool در RAC
  2. New Feature in 12c
  3. آشنایی با مباحث مهم خارج از سرفصل دوره

سرفصل ها

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.
 

مخاطبان دوره

  1. ادمین های Database
  2. کلیه افرادی که به دنبال کار در حوزه اوراکل می باشند

پیش نیازها

  1. آشنایی با سیستم عامل لینوکس
  2. آشنایی با اوراکل  (Oracle Workshop I)

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