1. Michael Sit
Solution Specialists Manager
Oracle Corporation

2. Database Manageability
Oracle Database 10g
Database Manageability

3. Manageability Vision
Self-Tuning
Self-Managing
Database

4. Manageability Goal
½ Cost

5. Where DBA’s spend their time
Install 6%
Create & Configure
12 %
Software Maintenance 6%
Load Data 6%
Ongoing System Management
55%
Source: IOUG 2001 DBA Survey

6. Where DBA’s spend their time
Install 6%
Create & Configure
12 %
Software Maintenance 6%
Load Data 6%
Ongoing System Management
55%
Source: IOUG 2001 DBA Survey

7. Simplified Installation & Upgrade
Fast, Lightweight Install
Automatic Pre & Post Install Validations
Configure all administration tools & components
Silent mode for Embedded ISV’s
Pre upgrade checks
Post upgrade status checks
Time estimator
Re-startable

8. Simplified Creation & Configuration
Database Configuration Assistant (DBCA)
Greatly reduced database creation time using pre-configured, ready-to-use database
90% reduction of initialization parameters: < 30 Basic parameters
Automatically setup common tasks, e.g. backups
Automatically configures LDAP server
Automatic Shared Server Set-up
Easy Connect Naming

9. Out-of-the-Box Database Control
No separate install
Fully functional administration and monitoring after database creation
Listener discovery, configuration & monitoring

10. Where DBA’s spend their time
Install 6%
Create & Configure
12 %
Software Maintenance 6%
Load Data 6%
Ongoing System Management
55%
Source: IOUG 2001 DBA Survey

11. Efficient Data Load Oracle Database 10g Data Pump
60% faster than Export (single stream)
15X-20X faster than Import (single stream)
Automatic Parallelism – multiple streams
Re-startable
Size estimation on export dumpfiles
Cross Platform Transportable Tablespaces

12. Where DBA’s spend their time
Install 6%
Create & Configure
12 %
Software Maintenance 6%
Load Data 6%
Ongoing System Management
55%
Source: IOUG 2001 DBA Survey

13. Ongoing System Management
55% of DBA’s time is spent in ongoing management, monitoring and tuning
Performance Diagnosis & Troubleshooting
Space & Object Management
SQL & Application Tuning
System Resource Tuning
Backup and Recovery
Base on the ranking to help focus 10i SM effort.
2 x IOUG ‘2000
12% - perf
9% - space
8% - sql
7% - instance, object, config
---> 50%
6% - ETL, B&R, install, SW mgmt
Source: IOUG 2001 DBA Survey

14. Manageability Challenges - Today
Application & SQL Management
Optimizer Stats Response time
Throughput Schema/Index
System Resource
Management
CPU Utilization
Memory Pools
Processes
Backup & Recovery Management
Tapes, MTTR
Disaster Recovery
Internal Space Management
Table growth trend Space fragmentation
External Storage Management
Disk Configuration Stripe Size Data Redistribution

15. Oracle Database 10g – Self-Managing Database
Application & SQL
Management
Storage
Management
System Resource
Management
Space
Management
Backup & Recovery
Management
Database Management
Database Control
Intelligent Infrastructure

16. Intelligent Infrastructure
Automatic Workload Repository
“Data Warehouse” of the Database
Code instrumentation
Automatic Maintenance Tasks
Pre-packaged, resource controlled
Server-generated Alerts
Push vs. Pull, Just-in-time, Out-of-the-box
Advisory Infrastructure
Integrated, uniformity
Automatic Workload Repository
Automatic Maintenance Task Infrastructure
Server-generated Alert Infrastructure
Advisory Infrastructure
Application & SQL
Management
Storage
Management
System Resource
Management
Backup & Recovery
Management
Space
Management
Database Management
Intelligent Infrastructure

17. Automatic Workload Repository
Automatically collect and compute important statistics, SQL workload, feature usage
Periodically flush snapshots to disk
Primarily build for automating internal components
Enable real-time and accurate self-management
Automatic Workload Repository
Automatic Maintenance Task Infrastructure
Server-generated Alert Infrastructure
Advisory Infrastructure

18. Automatic Database Diagnostic Monitor (ADDM)
Performance expert in a box
Provides database-wide performance diagnostic, including RAC
Automatically runs at every capture of workload repository snapshot
Provides impact and benefit analysis
Provides Information vs. raw data
Integrates all components using the Time Model with common currency
Intelligent Infrastructure
Application & SQL
Management
System Resource
Space
Backup & Recovery
Storage
Database Management

19. ADDM’s Architecture
Instrument database code paths to produce Time & Wait Model
Self-Diagnostic Engine in the database – Key to database performance
Classification Tree - based on decades of Oracle performance tuning expertise
Real-time results
Pinpoints root cause and non-problem areas
Runs manually also
Snapshots in
Automatic Workload
Repository
Self-Diagnostic Engine
Automatic Diagnostic Engine
High-load SQL
IO / CPU issues
RAC issues
SQL Advisor
System Resource Advice
Network + DB config Advice

20. Application and SQL Management
Key to efficient SQL execution: Oracle Cost-based Optimizer
Proven Technology
Over 10 years of production usage
Adopted by all top-tier applications vendors
Sophisticated functionality
Automatically-gathered object and system (CPU, IO, Caching) statistics
Comprehensive set of access paths, adaptive search strategy
Cost-based transformations
Automatic allocation of memory and parallelism
Versioned optimizer statistics
Application & SQL
Management
Storage
Management
System Resource
Management
Backup & Recovery
Management
Space
Management
Database Management
Proven Technology – Cost-based Optimizer
Honed in the real world for more than 10 years
Execution Plan Selection
Comprehensive set of access paths, adaptive search strategy
SQL Transformations
All cost-based transformations
Cost Model and Statistics
Automatically gathered object and system (CPU, IO, Caching) statistics
Dynamic Runtime Optimizations
Automatic memory allocations, automatic degree of parallelism
Intelligent Infrastructure

21. Remaining Challenges
How to quickly find optimal plans for complex queries?
Sub-optimal plans caused by correlations, complex predicate selectivity
What is “bad” SQL?
How to work-around ‘bad’ SQL in packaged applications?
How to ‘globally’ optimize an entire application’s SQL statements?
Adding an index may help one statement, but what is the impact on the rest of the application

22. Automatic Tuning Optimizer
High-load SQL
Packaged Apps
Customizable Apps
Identify ‘bad’ SQL
Automatic workload capture
Automatic identification of high-load SQL by ADDM
Top N highest resource-consuming SQL Statements

23. Automatic Tuning Optimizer
High-load SQL
Packaged Apps
Customizable Apps
Automatic SQL Tuning
Learn from past executions
Dynamic sampling, partial execution techniques
Profile the SQL statement to feedback to optimizer
No change to SQL text
Automatic Tuning Optimizer
Auto SQL
Tuning
SQL Profile
Packaged Apps +
Well-tuned SQL

24. Automatic Tuning Optimizer
Packaged Apps
Customizable Apps
Automatic SQL Analysis
Optimizer explains decision points
Advises on badly written SQL, stale statistics, bad schema
High-load SQL
Automatic Tuning Optimizer
Auto SQL
Analysis
Customizable Apps +
SQL Advice
Well-tuned SQL

25. Automatic Tuning Optimizer
Packaged Apps
Customizable Apps
SQL Access Advisor
Advise on access paths
Indexes, Materialized Views, Indexes on Materialized Views
Consider entire workload
Consider Impact on insert/update/delete
High-load SQL
Automatic Tuning Optimizer
Access
Advisor
Customizable Apps +
Indexes &
MVs
Well-tuned SQL

26. Automatic Tuning Optimizer
High-load SQL
Packaged Apps
Customizable Apps
Complete SQL Management
Automated workload capture, identification of high-load SQL
Automatic SQL Tuning
Automatic SQL Analysis
SQL Access Advisor
Automatic Tuning Optimizer
Auto SQL
Tuning
Analysis
Access
Advisor
SQL Profile
Packaged Apps +
SQL Advice
Customizable Apps +
Customizable Apps +
Indexes &
MVs
Well-tuned SQL

27. Automatic Tuning Optimizer
High-load SQL
Packaged Apps
Customizable Apps
Complete SQL Management
Automated workload capture, identification of high-load SQL
Automatic SQL Tuning
Automatic SQL Analysis
SQL Access Advisor
Automatic Tuning Optimizer
Auto SQL
Tuning
Analysis
Access
Advisor
SQL Profile
Packaged Apps +
SQL Advice
Customizable Apps +
Customizable Apps +
Indexes &
MVs
Well-tuned SQL

28. System Resource Management
Oracle 9i
Resource Manager controls and prioritizes CPU usage
Automatic SQL Memory Tuning
Application & SQL
Management
Storage
Management
System Resource
Management
Backup & Recovery
Management
Space
Management
Database Management
Proven Technology – Cost-based Optimizer
Honed in the real world for more than 10 years
Execution Plan Selection
Comprehensive set of access paths, adaptive search strategy
SQL Transformations
All cost-based transformations
Cost Model and Statistics
Automatically gathered object and system (CPU, IO, Caching) statistics
Dynamic Runtime Optimizations
Automatic memory allocations, automatic degree of parallelism
Intelligent Infrastructure

29. Automatic Shared Memory Tuning
SQL Cache
sort
Online
Users
Large Pool
Buffer Cache
Java Pool
SGA Pool
PGA Pool
Large Batch Jobs
sort
Java Pool
SQL Cache
Large Pool
Buffer Cache
Automatically resizes with changes in workload
Maximize usage of available memory
Only 2 memory parameters
Self-tune SGA
Only 2 memory parameters (dynamic)
Continual simulation enables adaptation to changing workload
Sub-pool sizes vary with workload
Maximizes memory use
Advisors for each pool

30. Automatic Space Management
Oracle9i
Eliminates external space fragmentations
Locally Managed Tablespace
Eliminates space allocation contention
Automatic Segment Space Management
Application & SQL
Management
Storage
Management
System Resource
Management
Backup & Recovery
Management
Space
Management
Database Management
Automatic Undo Management
Improves space usage and concurrency
Bye bye Rollback Segments!
Locally Managed Tablespaces
Along with using uniform extent size, eliminate external space fragmentations
Automatic Segment Management
Remove free lists contention, reduce internal fragmentations
Locally Managed System Tablespace (9iR2)
No more excuses!
Intelligent Infrastructure

31. Proactive Space Management
Segment running out of space
Automatically monitor, capture space usage at space allocation time - efficient
Advise and predict space growth trend, fragmentation
“Just-in-Time” Alerts on space pressure
Server-Generated Alerts
Capacity Planning

32. Proactive Space Management
Segment running out of space
Fragmented Segment
Online Segment Shrink
Reclaim space from internal fragmentation
Improve performance
In-place shrinking of tables
Wait on DML operations
Server-Generated Alerts
Online Segment Shrink
Capacity Planning

33. Automatic Backup & Recovery Automatic Storage Management
Application & SQL
Management
Storage
Management
System Resource
Management
Backup & Recovery
Management
Space
Management
Database Management
Automatic Undo Management
Improves space usage and concurrency
Bye bye Rollback Segments!
Locally Managed Tablespaces
Along with using uniform extent size, eliminate external space fragmentations
Automatic Segment Management
Remove free lists contention, reduce internal fragmentations
Locally Managed System Tablespace (9iR2)
No more excuses!
Intelligent Infrastructure

34. Automatic Storage Management - Benefits
Automates daily storage administration
Automatic I/O tuning
Eliminates disk fragmentation
Automatically selects allocation policy per Oracle file type
Automates storage re-configuration
Automatic data copy on disk add/drop, no reconfiguring volume and re-striping
Online migration to new storage hardware
Portable, high performance cluster file system
No volumes: just a pool of storage
Partitions total disk space into uniform sized megabyte units
Units assigned to a file are tracked using database oriented indexing techniques
Indexing allows efficient add/remove of disk to stripe set with automatic rebalancing
Data is spread across disks to balance load
Integrated mirroring across disks
Automatic Storage
Management

35. Where DBA’s spend their time
Install 6%
Create & Configure
12 %
Software Maintenance 6%
Load Data 6%
Ongoing System Management
55%
Source: IOUG 2001 DBA Survey

36. Scalable Software Maintenance – Discover and Analyze Configurations
Complete inventory of all Oracle software
Versions
Patch levels
Oracle product configuration details
Search and compare configurations
Change tracking
Reference configurations

37. Scalable Software Maintenance - Automated Software Cloning
Reduce manual labor in software life-cycle
From hours to minutes
Automate mass provisioning of reference systems
Clone to
Selected Targets 2
Select Software (and Instances) to Clone 1 3
Update
Inventory

38. Scalable Software Maintenance - Automated Patch Management
Real-time discovery of new patches
Security patch rapid deployment dramatically reduces vulnerabilities
Automatic staging and application
From hours to minutes
Rolling RAC upgrade 2
Determine
Applicability
Apply Patch 3 4
Update
Inventory 1
Patch Published

39. Scalable Software Maintenance - Automated Best Practice Checks
Security
Software installation hardening
Excess user privileges
Excess services/ports
Parameter Usage
Space
New features

40. ½ Cost - Oracle9i vs. Oracle 10g2 6 13 1 4 10
Oracle 10g required 44% less time and 47% fewer steps than Oracle9i
Result Summary

41. Simplified Creation & Configuration Self-Managing Database
Oracle Database 10g
Simplified Creation & Configuration
Fast Lightweight Install
½ COST
Efficient Data Load
Enterprise Configuration Management
Self-Managing Database

42. Questions?