Objectives
Overview
Database Resource Manager Concepts
Resource Manager Configurations
The Initial Plan: SYSTEM_PLAN
Creating a New Resource Plan
Creating a Simple Plan
Oracle Enterprise Manager: Resource Manager
Active Session Pool Mechanism
Setting the Active Session Pool
Maximum Estimated Execution Time
Setting Idle Timeouts
Switching Back to the Initial Consumer Group at End of Call
Creating Resource Consumer Groups
Assigning Users to Consumer Groups
Automatic Consumer Group Switching
Configuring Consumer Group Switching
Adaptive Consumer Group Mapping
Creating a Mapping Using DBMS_RESOURCE_MANAGER
Assigning Priorities Using DBMS_RESOURCE_MANAGER
Using Sub-Plans to Limit CPU Utilization
Limiting CPU Utilization: Example
Creating a Complex Plan
Resource Allocation Methods for Resource Plans
Comparison of EMPHASIS and RATIO
Resource Allocation Methods for Consumer Groups
Administering the Resource Manager
Assigning Resource Manager Privileges
Setting the Resource Plan for an Instance
Viewing Resource Consumer Groups
Changing a Consumer Group Within a Session
Changing Consumer Groups for Sessions
Database Resource Manager Information
Resource Plan Directives
Monitoring the Resource Manager
Summary
Practice Overview: Using the Resource Manager