ApsaraMQ for MQTT:Changes in topic management

Change description

ApsaraMQ for MQTT V3.x.x implements independent data storage. You must manage ApsaraMQ for MQTT topics in the ApsaraMQ for MQTT console or by calling API operations.

ApsaraMQ for MQTT topics and ApsaraMQ for RocketMQ topics are no longer interconnected. To exchange data between the two services, you must create data exchange rules. For more information, see Data exchange across cloud services.

For information about the changes in resource use, see Changes in resource use. For information about changes in API operations, see Changes in API operations.

Operation changes in the console

Compared with ApsaraMQ for MQTT V2.x.x, ApsaraMQ for MQTT V3.x.x implements independent data storage. Topics in ApsaraMQ for MQTT V3.x.x are independent of ApsaraMQ for RocketMQ topics. The path for creating a topic and the effective scope of a created topic vary based on the version. The following section describes the creation processes. Screenshots are provided to help you better understand the process.

• V2.x.x

  • Creation path

    You can create a topic in the ApsaraMQ for MQTT console or the ApsaraMQ for RocketMQ console.

    • ApsaraMQ for MQTT console

      The GUI elements in the red box in the following figure are displayed only in the ApsaraMQ for MQTT V2.x.x console.

    • ApsaraMQ for RocketMQ console

  • Effective scope

    Topics created in the ApsaraMQ for MQTT or ApsaraMQ for RocketMQ console are synchronized between the topic lists of the two services.

• V3.x.x

  • Creation path

    In ApsaraMQ for MQTT V3.x.x, you can create topics only in the ApsaraMQ for MQTT console.

  • Effective scope

    Topics created in the ApsaraMQ for MQTT console take effect only in ApsaraMQ for MQTT and are not synchronized to ApsaraMQ for RocketMQ. Similarly, topics created in the ApsaraMQ for RocketMQ console are not synchronized to ApsaraMQ for MQTT.

    Note

    The changes in the effective scope of calling API operations are similar to the changes in the effective scope of the console operations.

References

For information about how to manage topics in the ApsaraMQ for MQTT console, see Manage topics.