Accessing RocketMQ on the Console

Prerequisites

• A RocketMQ instance is in the Running state.
• A topic has been created and has the publish permission.

Accessing RocketMQ on the Console to Produce Messages

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 Produce Message in the row containing the desired topic. The Produce Message dialog box is displayed.
7. Enter the message body, key, and tag (Message Key and Message Tag are optional) and click OK.

   When a message "Message sent." is displayed in the upper right corner, the message is sent.

   Table 1 Message production parameters

   Parameter	Description
   Message Body	Content of the message to be produced. The value can contain a maximum of 2,000 characters.
   Message Key	If there are spaces, this will be parsed as multiple keys, and cannot be filtered by Message Key in specific message queries. The value can contain a maximum of 128 characters.
   Message Tag	Used as message categories in a topic, and used in produced messages. The value can contain a maximum of 128 characters.

   You can view the sent messages on the Message Query page.