Configuring the Decision Data Store service

On the Decision Data Store tab of the Services landing page, you can view the current status of the Decision Data Store service and manage all Pega 7 Platform nodes that are configured to store data that is used in decision management, such as customer data.

1. Click Designer Studio > Decisioning > Infrastructure > Services > Decision Data Store.
2. Add a node:
   1. Click Add node.
   2. In the window that is displayed, select the check box for the decision data node that you want to add. You can add multiple nodes at once.
   3. Click Submit.
   4. Refresh the landing page until the status of the node changes to NORMAL.

   Note: You need at least one decision data store node to run the Adaptive Decision Manager and Visual Business Director services. If you want to add a node for the ADM or VBD service and no nodes are on the Decision Data Store tab, a node is automatically added on that tab to support running the ADM or VBD service.

3. Optional: Edit the Cassandra database credentials that were specified during the Pega 7 Platform installation:
   1. Click Edit settings.
   2. Select the Use external Cassandra cluster check box if you want to use a database that is external to the Pega 7 Platform for handling decision management data.
      • In the Cassandra host(s) field, enter a comma-separated list of Cassandra host names or IP addresses.
      • Edit the default Cassandra Query Language (CQL) port.
   3. Edit the default Cassandra user ID.
   4. Edit the Cassandra password.
4. Optional:  Display the details for a node by clicking the row for that node. You can view information about the node ID, the total memory used, and the percent of the total amount of decision data that the node contains.
5. Optional: Manage a node by selecting an action from the Execute menu.

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