Modifying Topic Parameters

Scenario

Procedure

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

   Select the region where your RocketMQ instance is located.

3. Click and choose Application > 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 Topics.
6. Modify topic parameters using either of the following methods:
   • In the row containing the topic whose parameters you want to modify, click Edit.
   • Click a topic to go to the topic details page and then click Edit in the upper right corner.

7. Modify topic parameters by referring to Table 1.

   Table 1 Topic parameters

   Parameter	Description
   Permission	Topic permission, which can be publish/subscribe, publish, or subscribe.
   Brokers	Change the number of read queues or write queues. Read queues: total number of available queues in the topic for reading data. Write queues: total number of available queues in the topic for writing data. If an existing topic is not associated with all brokers during creation, click Add to distribute the topic to more brokers and set the number of read queues and write queues.
   Description	Topic description. 0–200 characters

8. Click OK.