Modify the message configuration

Procedure

1. Log on to the Message Queue for Apache Kafka console.
2. In the top navigation bar, select a region.
3. In the left-side navigation pane, click Instances.
4. On the Instance Details page, click the instance whose message configuration you want to modify.
5. In the Configurations section, click Configuration Change.
6. In the Configuration Change dialog box, set the parameters and then click Change.
   

   Parameter	Description
   Message Retention Period	The maximum message retention period when the disk capacity is sufficient. When the disk usage reaches 85%, the disk capacity is insufficient, and the system deletes messages from the earliest stored ones to ensure service availability. The default value is 72 hours. Valid values: 24 hours to 480 hours.
   Maximum Message Size	The maximum size of a message that Message Queue for Apache Kafka can receive and send. The maximum message size is 10 MB for instances of the Standard Edition and Professional Edition. Before you modify the configuration, ensure that the new value matches the configuration on the producer and consumer.

7. In the Alerts dialog box, select I am aware of the service unavailability risk caused by restart of servers in the cluster. and then click I am aware of the risks..