CPU Usage and Disk IO

Managing Performance Tuning and Query Caching 7-13

7.5.1 Using Fusion Middleware Control to Enable and Disable Query Caching

You can use Fusion Middleware Control to enable or disable query caching. The query cache is enabled by default. Before you begin this procedure, ensure that you are familiar with the information in Section 3.2, Using Fusion Middleware Control to Update Oracle Business Intelligence Configuration Settings. To use Fusion Middleware Control to enable or disable query caching: 1. Go to the Business Intelligence Overview page, as described in Section 2.2.2, Using Fusion Middleware Control to Manage Oracle Business Intelligence System Components.

2. Display the Performance tab of the Capacity Management page.

3. Click Lock and Edit Configuration to allow changes to be made.

4. To enable query caching, select Cache enabled. To disable query caching, deselect

Cache enabled . Click the Help button on the page to access the page-level help. 5. Click Apply, then click Activate Changes. 6. Return to the Business Intelligence Overview page and click Restart. For information about using methods in the Oracle BI Systems Management API to change configuration settings, see Chapter 22, Introducing the Oracle BI Systems Management API.

7.5.2 Using Fusion Middleware Control to Set Query Cache Parameters

You can use Fusion Middleware Control to set the maximum number of cache entries in the query cache and the maximum size for a single cache entry. Before you begin this procedure, ensure that you are familiar with the information in Section 3.2, Using Fusion Middleware Control to Update Oracle Business Intelligence Configuration Settings. To use Fusion Middleware Control to set query cache parameters: 1. Go to the Business Intelligence Overview page, as described in Section 2.2.2, Using Fusion Middleware Control to Manage Oracle Business Intelligence System Components. 2. Display the Performance tab of the Capacity Management page.

3. Click Lock and Edit Configuration to allow changes to be made.

4. Complete the elements using the descriptions in the Help topic for the page. Click the Help button on the page to access the page-level help for the following options: ■ Maximum cache entry size ■ Maximum cache entries 5. Click Apply, then click Activate Changes. 6. Return to the Business Intelligence Overview page and click Restart. For information about using methods in the Oracle BI Systems Management API to change configuration settings, see Chapter 22, Introducing the Oracle BI Systems Management API.