Zusammenfassung der Ressource
Oracle Database 11g: Performance
Tuning 1Z0-054
- Basic Tuning Tools
- Diagnose performance issues using top wait events and the time model
- Use dynamic performance views to view statistics and wait events
- Use Enterprise Manager Monitoring
- Identify the key tuning components of the alert logs
- Using Automatic Workload Repository
- Create and manage AWR snapshots
- Generate and read AWR reports, analyze Compare Periods reports
- Defining Problems
- Identify performance issues & set tuning priorities
- Interpret tuning diagnostics
- Tune for life cycle phase
- Using Metrics and Alerts
- Interprete metric views and alerts
- Baseline
- Create and manage AWR baselines
- Create AWR baselines for future time periods
- Monitor performance and enable adaptive thresholds
- Using AWR-Based Tools
- Tune automatic maintenance tasks
- Analyze ADDM reports
- Analyze Active Session History (ASH) reports
- Monitoring an Application
- Configure and manage services
- Use services with client applications, Database Resource Manager and Scheduler
- Configure services aggregation, tracing, and set performance-metric thresholds
- Identifying Problem SQL Statements
- Describe SQL statement processing
- View the SQL statement statistics to identify the SQL statements that perform poorly
- Describe and use methods for Viewing Execution Plans
- Influencing the Optimizer
- Describe the optimizer's behavior
- Adjust parameters to influence the optimizer
- Influence the optimizer (access methods, join techniques and adjust data structures)
- SQL Performance Management
- Manage optimizer statistics
- Configure automatic SQL tuning and SQL profiling
- Set up and use SQL plan baseline
- Using SQL Performance Analyzer
- Describe SQL Performance Analyzer process and benefits
- Use SQL Performance Analyzer
- Using Database Replay
- Identify when and how to use Database Replay
- Use Enterprise Manager to record and replay workloads
- Tuning the Shared Pool
- Describe Latches and Mutexes
- Diagnose and change cursor sharing
- Diagnose and resolve shared pool fragmentation
- Manage the results cache and tune the large pool
- Tune the data dictionary cache
- Tuning the Buffer Cache
- Describe the buffer cache architecture
- Explain the symptoms that indicate a buffer cache problem
- Tune the buffer cache for performance issues
- Tuning PGA and Temporary Space
- Diagnose PGA memory issues and size the PGA
- Diagnose temporary space issues
- Specify temporary tablespace parameters for efficient operation
- Automatic Memory Management
- Implement Automatic Shared Memory Management (ASMM)
- Implement Automatic Memory Management (AMM)
- Tuning Segment Space Usage
- Tune segment space management
- Use Automatic Segment Space Management
- Diagnose row migration and chaining
- Use segment shrinking and table compression
- Tuning I/O
- Diagnose database I/O issues
- Describe the Stripe and Mirror Everything (SAME) concept
- Set filesystemio_options and Choose appropriate I/O solutions
- Tune Automatic Storage Management (ASM)
- Appendix B Using Statspack
- Using Statspack