In the Name column of the Components area, select the Discoverer link for the optional From the Discoverer menu, select Monitoring, and then Sessions, to

4-16 Oracle Fusion Middleware Configuration Guide for Oracle Business Intelligence Discoverer ■ The CPU and memory consumption of the Discoverer servlets are not shown here. ■ If the current status is Disabled, Fusion Middleware Control does not display figures for CPU Usage and Memory Usage.

2. optional From the Discoverer menu, select Monitoring and then Performance to

display the Performance Summary page. The Performance Summary page contains charts for selected performance metrics. To add or remove metrics in the Performance Summary page, click the Show Metric Palette button. Then, in the Metric Palette, select or deselect the metric to add or remove. For example, in the Metric Palette, if you click the Response folder and select the UpDown Status check box, a new chart is displayed in the Performance Summary page showing the value of the UpDown Status Response metric.

3. optional From the Discoverer menu, select Monitoring, and then Sessions, to

display the Discoverer Sessions page. The Discoverer Sessions page shows a list of current sessions, determined by the search criteria specified in the Search field. For more information about the Discoverer session details displayed on this page, see Fusion Middleware Control Help.

4. optional Click a file icon in the View Log column to go to the Log Messages

page. The Log Messages page enables you to display log details for the selected Discoverer session.

4.7.2 How to monitor performance of a single Discoverer client-tier component

You might want to monitor metrics for a single Discoverer component. For example, you might want to find out the number of sessions currently used by Discoverer Plus users when compared with the number of sessions used by Discoverer Viewer users. To monitor performance metrics for a single Discoverer client-tier component: 1. Go to the Fusion Middleware Control Discoverer Home page. For more information, see Section 4.1.3, How to display the Fusion Middleware Control Discoverer Home page and Discoverer component Home pages .

2. In the Name column of the Components area, select the Discoverer link for the

component to monitor. Fusion Middleware Control displays the home page for the Discoverer component that you selected. The home page of each Discoverer component shows CPU and memory usage performance charts for that component. These charts are similar to the charts displayed on the Fusion Middleware Control Discoverer home page, except that the performance information is now specific to a Discoverer component.

3. optional From the Discoverer menu, select Monitoring, and then Sessions, to

display the Discoverer Sessions page. The Discoverer Sessions page shows a list of current sessions, determined by the search criteria specified in the Search field. For more information about the Discoverer session details displayed on this page, see Fusion Middleware Control Help. Managing and Configuring Discoverer 4-17 Notes ■ CPU and memory usage of the Discoverer servlets that is, Discoverer Viewer, Plus and Portlet Provider servlets are not shown in the charts. ■ If the current status is Disabled, Fusion Middleware Control does not display charts for CPU Usage and Memory Usage. ■ Discoverer Plus OLAP connects directly the database, and does not create sessions on the middle tier.

4.8 How to view ports used by Fusion Middleware

Discoverer uses the same listen ports as the Oracle HTTP Server http_main or http_ssl. To view the ports used by Fusion Middleware: 1. Start Enterprise Manager Fusion Middleware Control and display the Farm Home page. For more information, see Section 4.1.2, How to start Fusion Middleware Control and display the Farm Home page. 2. Navigate to the Oracle HTTP Server node in the navigation pane.

3. From the Oracle HTTP Server menu, select Port Usage.

The port number is displayed in the Port in Use column for http_main and http_ ssl.

4.9 How to change the port on which Discoverer is deployed if Web Cache is not configured

Note: For information about deploying Discoverer when Web Cache is configured, see Section 6.5, How to configure Discoverer with load balancing using Oracle Web Cache . To change the port on which Discoverer is deployed: 1. Start Enterprise Manager Fusion Middleware Control and go to the Fusion Middleware Control Farm Home page. For more information, see Section 4.1.2, How to start Fusion Middleware Control and display the Farm Home page.

2. Navigate to the ohs1 node in the navigation pane.

3. Change the port number, as described in the Using Fusion Middleware Control to Edit Ports section of the Oracle Fusion Middleware Administrators Guide for Oracle HTTP Server. If you change a Discoverer port number, ensure that other Fusion Middleware components that use that Discoverer port number are synchronized.

4.10 About running Discoverer Plus with different Java Virtual Machines

Discoverer Plus supports the Sun Java Plug-in JVM: You might want to change the JVM in the following circumstances: Note: You can also view the port numbers by using the topology viewer. In the Topology Viewer, right-click the node for which you want to find out port numbers and select Port Usage.