Why Standardize on Oracle Database 11g Next Generation Database Management. Thomas Kyte

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1 Why Standardize on Oracle Database 11g Next Generation Database Management Thomas Kyte

2 Top Challenges Performance Management Change Management Ongoing Administration

3 Storage Backup Memory Apps/SQL Schema RAC Recovery Replication Testing Manageability Evolution Continuous Innovation Adaptive Auto-Tuning Integrated Advisory Low-Impact Instrumentation R2

4 Top DBA Challenges Performance Management Sustain Optimal Performance Performance Diagnostics Application Tuning Change Management Preserve Order Amid Change Ongoing Administration Manage More with Less

5 Automatic Performance Diagnostics Maximize Performance With Self-Managing Database IO / CPU Issues Boost Administrator Productivity High Load SQL Eliminate Performance Bottlenecks Automatic Workload Repository Snapshots Self-Diagnostic Engine RAC Issues Performance & Management Advisors Lower IT Management Costs Deliver Higher Quality of Service Sustain maximum performance with self-managing database Top-down analysis using Automatic Workload Repository snapshots Real-time performance analysis with Automatic Database Diagnostic Monitor Resolve performance issues faster with drill-down root-cause analysis Classification tree based on Oracle performance tuning expertise Performance expert; now a RAC specialist too in Oracle Database 11g

6 Custom Apps Middleware Database Automatic Performance Diagnostics New in Oracle Enterprise Manager 11g Pre-Packaged Apps Physical & Virtual Servers Composite Apps ecommerce Apps Application-to-Disk Enhanced ADDM NEW: SQL impacting performance findings highlighted Global AWR report for easier RAC diagnostics Backward compatibility: Can analyze snapshots from earlier versions Active Session History (ASH) NEW: ASH for Standby: Facilitates performance analysis of Standby DB Global ASH reports for RAC systems Storage

7 Performance Diagnostics NEW: Active Reports Interactive reports for off-line analysis Offer same level of interactivity with drill-downs for detailed analysis Can be ed to appropriate personnel for analysis Does not require Oracle Enterprise Manager installation

8 RAC Database Manageability New in Oracle Enterprise Manager 11g NEW: Monitoring and management of Clusterware NEW: Grid Plug-and-Play support for policy-managed RAC databases Addition and deletion of RAC nodes ADDM shows blocking sessions across RAC instances

9 High Availability New in Oracle Enterprise Manager 11g Configuration-wide summary view with charts for RAC/HA setup Provides recommendations for MAA implementation NEW: Minimum downtime automation for single instance to MAA Show Availability related events across the configuration NEW: Manage role-based standby DBs, e.g. convert Physical Standby to Active Data Guard

10 Exadata V2 Support NEW: Database Machine Support Exadata monitoring Plug-in Alerts and metrics Performance monitoring from realmwide to cell disks Configuration Analysis SQL Monitoring support for Exadata I/O performance graphs with Exadata information Provision Database Machine based on Exadata V2 SQL Performance Analyzer for estimating Exadata server performance gains for DSS workloads Goal: Measure the improvement in I/O interconnect bytes with Exadata SPA comparison report shows performance improvements or regression

11 Top DBA Challenges Performance Management Sustain Optimal Performance Performance Diagnostics Application Tuning Change Management Preserve Order Amid Change Ongoing Administration Manage More with Less

12 Application Tuning Automatic SQL Tuning Well-Tuned SQL High-Load SQL Packaged Apps + SQL Profile Customizable Apps + SQL Advice Applications Customizable Apps + Indexes & MVs + Partitions Automatic Tuning Optimizer Automatic SQL Tuning Captures high-load SQL Tunes SQL using SQL Profiles Implements greatly improved SQL plans (optional) Performance benefit of advice provided SQL Profiling tunes execution plan without changing SQL text Enables transparent tuning for packaged applications

13 SQL Tuning Advisor New in Oracle Enterprise Manager 11g SQL Profiling Statistics Analysis Access Path Analysis SQL Restructure Analysis Alternative Plan Analysis Parallel Query Analysis Automatic Tuning Optimizer SQL SQL Tuning Advisor Gather Missing or Stale Statistics Create a SQL Profile Add Missing Access Structures Modify SQL Constructs Adopt Alternative Execution Plan Create Parallel SQL Profile Comprehensive SQL Tuning Recommendations SQL Tuning Advisor NEW: Identifies alternative execution plans using real-time and historical performance data NEW: Recommends appropriate degree of parallelism to improve SQL performance SQL Administrator

14 Real-Time SQL Monitoring Looking Inside SQL Execution Automatically monitors long running SQL Enabled out-of-the-box with no performance impact Monitors each SQL execution Exposes monitoring statistics Global execution level Plan operation level Parallel Execution level Guides tuning efforts NEW: Available as Active Reports in Grid Control 11.1 NEW: Enhanced to monitor PL/SQL

15 Top DBA Challenges Performance Management Sustain Optimal Performance Change Management Preserve Order Amid Change Change Detection Change Testing Change Automation Ongoing Administration Manage More with Less

16 Detecting Configuration and Application Changes Reports Compare Monitoring Policies Security Configuration Changes Ensures system compliance with company standards Detects unauthorized (malicious) changes Over 300 out-of-box policies per Oracle best practices Monitor compliance continuously Application Changes NEW: Real-time schema change detection Schema compare capability help identify Malicious SQL Unauthorized access control changes Changes to tables, procedures, triggers, functions New/dropped indexes, etc.

18 Secure Test System Deployment Oracle Data Masking Production LAST_NAME SSN SALARY AGUILAR ,000 BENSON ,000 Test LAST_NAME SSN SALARY SMITH ,000 MILLER ,000 Deploy secure test system by masking sensitive data Sensitive data never leaves the database Extensible template library and policies for automation Sophisticated masking: Condition-based, compound, deterministic Integrated masking and cloning Leverage masking templates for common data types NEW: Command line (EMCLI) support for data masking actions

19 Oracle Real Application Testing SQL Performance Analyzer SQL Plans + Stats Pre-Change Trial SQL Workload STS SQL Plans + Stats Post-Change Trial Compare SQL Performance Analysis Report Test and predict impact of system changes on SQL query performance Analyze performance changes for improvements or regression Comprehensive performance analysis and reporting Re-execute SQL queries in test environment End-to-end solution: STS, SQL Plan Baselines, & SQL Tuning Advisor

20 Oracle Real Application Testing Database Replay Reduce costs and risks of database changes Fully automated workflow Change Assurance for Database and O/S upgrades, e.g. migration to Exadata V2 Configuration changes, e.g., conversion from SI to RAC Storage changes O/S migrations, e.g., Windows to Linux Supports upgrades from Oracle 9iR2 to 10gR2 and 11g! Production Clients Storage Test Replay Driver Storage

21 Database Replay Enhancements NEW in Oracle Enterprise Manager 11g Replay Compare Period Report Provides holistic view of the experiment covers functional and performance aspects of testing Replay Divergence Summary categorization indicates if further analysis is necessary New reports available; Capture Vs Replay, Replay Vs Replay Automatically runs ADDM Enhanced Replay Divergence Analysis in Replay Progress/Summary Pages Replay filters support Usage similar to capture filters, used to target sub-set workload for replay API support only in current release Enhanced ASH performance data for more accurate performance analysis

23 Testing Automation Reduce Time and Effort of Database Testing Automate production to test workflow of Database Replay Capture production workload, performance data Copy workload, performance data to staging Provision software, create test database Deploy replay clients and orchestrate replay

24 Deployment Automation Create Reference RAC System 1 2 Stage Gold Image Create Production RAC System 3 4 Scale-Out RAC Gold image based provisioning Simplified RAC provisioning with automation Single click RAC scale-out and scale-back Provision full RAC and Clusterware systems ASM Support

25 Database Change Automation Schema Changes Change Management Schema change propagation Capture development changes in baseline version Preview changes before confirming Propagate planned changes from baseline to multiple databases

26 Software Change Automation: Patching My Oracle Support Corporate DMZ My Oracle Support connection Proactive advisories CPUs Feature based Patch downloads Patch Database Patch/CPU/Patchset Zero downtime patching for RAC Lights-out patching for Linux Automatic download from Oracle ULN

27 Top DBA Challenges Performance Management Sustain Optimal Performance Change Management Preserve Order Amid Change Ongoing Administration Manage More with Less Space and Resource Management Automated Self-Management

28 Space and Resource Management Space Management NEW: Compression Advisor (Oracle Database 11.2) Analyzes objects to give estimate of space savings for different compressions methods Helps in deciding correct compression level for application Recommends various strategies for compression Resource Manager NEW: Instance Caging (Oracle Database 11.2) More flexible alternative to server partitioning Wide platform support than operating system resource managers Lower administration overhead than virtualization I/O Resource Management for Exadata ASM Cluster File System support NEW in Oracle Enterprise Manager 11g Comprehensive administration Proactive Monitoring Security

29 Top DBA Challenges Performance Management Sustain Optimal Performance Change Management Preserve Order Amid Change Ongoing Administration Manage More with Less Space and Resource Management Automated Self-Management

30 Automated Self-Management

31 Why Oracle Database 11g? For Manageability and Change From: Repetitive manual tasks Reactive fire fighting Unpredictable service levels Point operations To: Automated self management Proactive forward planning Service level management Centralized control

32 For More Information manageability or oracle.com/manageability

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