Creating a Topic on Kafka UI

Scenario

Create a topic on Kafka UI.

This section applies only to MRS 3.1.2 or later.

Creating a Topic

1. Log in to Kafka UI. For details, see Accessing Kafka UI.
2. Click Create Topic. On the displayed page, configure parameters by referring to Table 1 and click Create.

   Table 1 Topic information

   Parameter	Description	Remarks
   Topic	Topic name, which can contain a maximum of 249 characters. Only letters, digits, hyphens (-), and underscores (_) are allowed.	Example: kafka_ui
   Partitions	Number of topic partitions. The value must be greater than or equal to 1. The default value is 3.	-
   Replication Factor	Replication factor of a topic. The value ranges from 1 to N. N indicates the number of brokers in the current cluster. The default value is 2.	-

   

   • You can click Advanced Options to set advanced topic parameters based on service requirements. Generally, retain the default values.
   • In a cluster in security mode, the user who creates a topic must belong to the kafkaadmin user group. Otherwise, the topic cannot be created due to authentication failure.
   • In a cluster in non-security mode, no authentication is required for creating a topic. That is, any user can create a topic.