Overview of Oracle 9i Database Performance Tuning
Tuning questions, phases, and goals
Common performance problems
Tuning during development
Tuning steps for a production database
Performance and availability trade-offs
Diagnostic and Tuning Tools
Log and trace files
Tuning with Oracle Enterprise Manager
Statspack
Statistics, troubleshooting data, and performance data in the data dictionary
Database and self-built performance statistics collection
Collecting performance statistics with assorted tools
Database Configuration and I/O Issues
Distributing files across devices
Tablespace considerations
Full table scan performance
Checkpoint performance
Redo management and performance
Analyzing I/O activity
Analyzing checkpoint performance
Tuning the Shared Pool
Shared pool components and latches
Monitor and tune the library cache
Manage SQL statements and PL/SQL blocks to improve library cache performance
Monitor and tune the data dictionary cache
Reserved pool and large pool management
Using diagnostic tools to monitor and tune the shared pool
Tuning the Buffer Cache
Buffer cache sizing parameters
Buffer cache advisory
Buffer cache tuning views and statistics
Buffer caches for different purposes and non-standard block sizes
Automatic segment space and free space management
Multiple database writing processes
Monitoring and tuning database buffer cache with available diagnostic tools
Dynamic Instance Resizing
Dynamic allocation units in the SGA
Resize SGA components
Resizing the buffer cache and the shared pool
Sizing Other SGA Structures
Manage redo log buffer
Control redo operations
Manage Java pool memory
Managing the redo log buffer
Tuning the Oracle Shared Server
Use and performance of shared server processes
Shared servers and memory usage
Monitor and troubleshoot shared server activity
Optimizing Sort Operations
Automatic PGA memory management
PGA sizing advisor
Sorts and temporary segments
Tuning, diagnostics, and guidelines for sorts
Reduce sorting
Configuring and monitoring sort space options
Configuring automatic PGA memory management
Using Resource Manager
Database Resource Manager concepts
Administering the Database Resource Manager
Define resource plans limits
Assigning users to consumer groups
Manual and automatic consumer group switching
Examine resource plan information in the data dictionary
SQL Statement Tuning
Optimizer modes
Hints
Plan stability and stored outlines
SQL tuning diagnostic tools
Interpret results from SQL tuning diagnostic tools
Managing Statistics
Automatic segment-level statistics collection
Dynamic sampling
Table statistics, index statistics, and index tuning wizard
Column statistics and histograms
Estimated statistics and automatic statistics collection
Optimizer cost model
System statistics
Copying statistics between databases
Using Oracle Blocks Efficiently
Database storage components
Extent management
High water-mark
Space management for tables
Index management
Using Oracle Data Storage Structures Efficiently
Data storage structures
Selecting physical storage characteristics for performance
Data access methods and structures
Application Tuning
Role of the database administrator
Table movement and redefinition
Creating and managing indexes and index-organized tables
Statistics collection
Considerations for OLTP systems
Considerations for decision support systems and data warehouses
Considerations for hybrid systems
Using Materialized Views
Create and refresh materialized views
Nested materialized views
Query rewrites
The DBMS_MVIEW package
Monitoring and Detecting Lock Contention
Locking mechanisms and management
Data concurrency
Enqueues and lock types
Lock monitoring and resolution of conflicts
Deadlocks
Use diagnostic tools to monitor lock contention
Tuning the Operating System
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