Deleting a Topic

Prerequisites

• A Kafka instance has been created, and a topic has been created in this instance.
• The Kafka instance is in the Running state.

Deleting a Topic on the Console

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

   Select the region where your Kafka instance is located.

3. Click Service List and choose Application > Distributed Message Service. The Kafka instance list is displayed.
4. Click the desired Kafka instance to view the instance details.
5. Click the Topics tab.
6. Delete topics using either of the following methods:
   • Select one or more topics and click Delete Topic in the upper left corner.
   • In the row containing the topic you want to delete, click Delete.

7. In the Delete Topic dialog box that is displayed, click Yes to delete the topic.

Deleting a Topic with the Kafka CLI

If your Kafka client version is later than 2.2, you can use kafka-topics.sh to delete topics.

• If SASL is not enabled for the Kafka instance, run the following command in the /{directory where the CLI is located}/kafka_{version}/bin/ directory to delete a topic:

  ./kafka-topics.sh --bootstrap-server {broker_ip}:{port} --delete --topic {topic_name}

• If SASL has been enabled for the Kafka instance, perform the following steps to delete a topic:
  1. (Optional) If the SSL certificate configuration has been set, skip this step. Otherwise, perform the following operations:

     Create the ssl-user-config.properties file in the /config directory of the Kafka client and add the SSL certificate configurations by referring to 3.

  2. Run the following command in the /{directory where the CLI is located}/kafka_{version}/bin/ directory to delete a topic:

     ./kafka-topics.sh --bootstrap-server {broker_ip}:{port} --delete --topic {topic_name} --command-config ./config/ssl-user-config.properties