Viewing RocketMQ Consumer Group-Topic Subscriptions

Prerequisites

• A RocketMQ instance has been purchased.
• A consumer group has been created, and there are consumers in the group.
• A topic has been created.
• Messages have been produced and consumed through accessing RocketMQ (SSL disabled) on a client or accessing RocketMQ (SSL enabled) on a client. The consumer group is online.

Viewing Subscribers to a Topic

1. Log in to the console.
2. Click in the upper left corner to select a region.

   DMS for RocketMQ instances in different regions cannot communicate with each other over an intranet. Select a nearest location for low latency and fast access.

3. Click and choose Middleware > Distributed Message Service for RocketMQ to open the console of DMS for RocketMQ.
4. Click a RocketMQ instance to go to the instance details page.
5. In the navigation pane, choose Instance > Topics.
6. Click the name of the target topic in the topic list.

   The online consumer groups can be viewed.

   Figure 1 Viewing consumer group subscribers
   

7. (Optional) Click the name of a consumer group to view its details.

Viewing a Topic Subscribed to by Consumer Groups

1. Log in to the console.
2. Click in the upper left corner to select a region.

   DMS for RocketMQ instances in different regions cannot communicate with each other over an intranet. Select a nearest location for low latency and fast access.

3. Click and choose Middleware > Distributed Message Service for RocketMQ to open the console of DMS for RocketMQ.
4. Click a RocketMQ instance to go to the instance details page.
5. In the navigation pane, choose Instance > Consumer Groups.
6. Click the name of a target consumer group in the consumer group list.
   Its subscriptions can be viewed. Handle subscription inconsistency as prompted if any.

   Figure 2 Example subscription consistency
   
   Figure 3 Example subscription inconsistency
   

Related Document

For details about how to handle inconsistent subscriptions, see Ensuring Subscription Consistency.