Changing a Database Port

Scenarios

GeminiDB Cassandra API allows you to change the database port of an instance to ensure security.

The database port cannot be changed when the instance is in any of the following statuses:

• Frozen
• Restarting
• Adding nodes
• Changing specifications
• Scaling storage space
• Deleting nodes

Precautions

To change the database port of your instance, contact customer service.

Procedure

1. Log in to the management console.
2. In the service list, choose Databases > GeminiDB Cassandra API.
3. On the Instances page, locate the instance whose database port you want to change and click its name.
4. In the navigation pane on the left, choose Connections.
5. In the Basic Information area, click to the right of the Database Port field.

   The database port number can range from 2100 to 9500 but cannot be 2180, 2887, 3887, 7000, 7001, 7199, 8018, 8079, 8091, 8092, 8479, 8484, 8636, and 8999.

   • To submit the change, click . This operation takes about 1 to 5 minutes.
   • To cancel the change, click .

6. View the change result at the Basic Information area.