Data Transmission Service:Create consumer groups

Usage notes

• You can create up to 20 consumer groups for a single Data Subscription instance.

• Each consumer group can have only one consumer.

• Switching the DStore module or the client may cause data duplication.

Procedure

1. Log on to the DTS console.
2. In the left-side navigation pane, click Change Tracking.
3. On the Change Tracking Tasks page, select the region of your change tracking instance.

4. Find your Data Subscription instance and click its instance ID. A list of instances is displayed with details such as instance ID/name, status, consumption checkpoint, Data scope, billing method, and available Actions, such as Convert to Subscription and Modify Subscribed Objects.

5. In the left-side navigation pane, click Consume Data.

6. On the Consume Data page, click Add Consumer Group in the upper-right corner.

7. In the Create consumer group dialog box, configure the parameters.

   Parameter	Description
   Consumer group name	The name of the consumer group. Use a descriptive name for easy identification.
   Account	The username for the consumer group. Must contain only uppercase letters, lowercase letters, digits, and underscores (_). Must be 16 characters or less.
   Password	The password for the consumer group account. Must contain characters from at least two of the following types: uppercase letters, lowercase letters, digits, and special characters. Must be 8 to 32 characters in length.
   Confirm password	Enter the password again for confirmation.

8. Click Create.

What to do next

After you create a consumer group, use one of the following methods to consume subscription data based on your client type:

• (Recommended) Consume subscription data using SDK sample code

• Consume tracked data using flink-dts-connector

• Consume subscribed data using a Kafka client