GIỚI THIỆU KHÓA HỌC
Tham gia khóa học Oracle Database 12c: Performance Management and Tuning học viên được cung cấp kiến thức về phân tích hiệu suất hoạt động và và điều chỉnh một Database như: chủ động quản lý thông qua các đặc tính và công cụ phân tích hiệu suất tích hợp, chẩn đoán và điều chỉnh của các thành phần cấu thành Oracle Database cũng như các vấn đề liên quan đến nâng cao hiệu suất SQL.
THỜI LƯỢNG: 5 ngày (~40 giờ)
THỜI LƯỢNG: 5 ngày (~40 giờ)
MỤC TIÊU KHÓA HỌC
Sau khi hoàn tất khóa học, học viên có khả năng:
- Sử dụng các phương pháp điều chỉnh Oracle Database với các công cụ thích hợp
- Sử dụng các truy vấn cơ sở dữ liệu để điều chỉnh chủ động các Oracle Database
- Sử dụng các công cụ dựa trên Automatic Workload Repository để điều chỉnh cơ sở dữ liệu
- Chẩn đoán và điều chỉnh các vấn đề liên quan đến hiệu suất SQL thường thấy
- Sử dụng Enterprise Manager liên quan đến hiệu suất để giám sát Oracle Database
- Nắm bắt các kiến thức về Oracle Database Cloud Service
ĐỐI TƯỢNG THAM GIA
- Quản trị Data Warehouse
- Quản trị cơ sở dữ liệu
KHÓA HỌC LIÊN QUAN
- Oracle Database 12c R2: RAC Administration Ed 2
- Oracle Database 12c R2: Backup and Recovery Workshop Ed 3
CHỨNG NHẬN
Sau khi hoàn tất khóa học, học viên sẽ được cấp chứng nhận hoàn tất khóa học của Oracle.
NỘI DUNG KHÓA HỌC
1. 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
2. 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
3. Using Automatic Workload Repository
- Automatic Workload Repository Overview
- Automatic Workload Repository Data
- Enterprise Manager Cloud Control and AWR
- Snapshots
- Reports
- Compare Periods
4. 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
5. 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
6. 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
7. 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
8. 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
9. 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
10. 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
11. 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
12. 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
13. 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
14. 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
15. Using Database Replay
- Using Database Replay
- The Big Picture
- System Architecture
- Capture Considerations
- Replay Considerations: Preparation
- Replay Considerations
- Replay Options
- Replay Analysis
16. 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
17. 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
18. 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
19. 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
20. Performance Tuning Summary with Waits
- Commonly Observed Wait Events
- Additional Statistics
- Top 10 Mistakes Found in Customer Systems
- Symptoms
21. Oracle Database Cloud Service: Overview
- Database as a Service Architecture, Features and Tooling
- Software Editions: Included Database Options and Management Packs
- Accessing the Oracle Database Cloud Service Console & Automated Database Provisioning
- Managing the Compute Node Associated With a Database Deployment
- Managing Network Access to Database as a Service & Scaling a Database Deployment
- Performance Management in the Database Cloud Environment
- Performance Monitoring and Tuning
- What Can be Tuned in a DBCS Environment?
