Product Documentation

Configuring Services, Service Groups, and Load Balancing Parameters for an Application Unit

Oct 19, 2016

When you configure services and service groups for an AppExpert application, by default, all the services and service groups are bound to each application unit. However, depending on how you have configured your web application, the application resources that are managed by an application unit might be hosted on only some of the servers that are configured as services for the AppExpert application. Or, a set of servers might host content that is meant for the requests received at one or more specific public endpoints. In such scenarios, if all the services and service groups that are configured for the AppExpert application are associated with the application unit, a request that is forwarded to a server that does not host the requested content might not be served or might be served incorrect content. Therefore, you must ensure that each application unit is configured to manage only those services that can serve the requested content.

When configuring services and service groups for an application unit, you might choose to specify load balancing settings such as the weights that services must be assigned and the desired load balancing, persistence, and spillover methods. For more information about these settings, see Load Balancing.

To configure services or service groups for an application unit

  1. Navigate to AppExpert > Applications.
  2. In the details pane, right-click the application unit for which you want to configure a service or service group, and then click Configure Backend Services.
  3. In the Configure Backend Services dialog box, do one of the following:
    • To configure services, click the Services tab.
    • To configure service groups, click the Service Groups tab.
  4. In the Services or Service Groups tab, do one of the following:
    • Clear the check boxes that correspond to the services or service groups that you do not want configured for the application unit. Make sure that the check boxes that correspond to the services or service groups that you want configured for the application unit are selected. Then, in the Weight column, specify the weight that you want to assign to each configured service.
    • To specify all services or service groups, click Activate All.
  5. On the Method and Persistence and Advanced tabs, specify the desired parameters.
  6. Click OK.