Cloudera Docs

Adding the Kafka Broker role

Assign the Kafka Broker role to at least three hosts in the Cloudera Observability On-Premises environment.

Describes how to assign the Apache Kafka Broker role to at least three hosts.
  1. In a supported web browser on the Cloudera Observability On-Premises cluster, log in to Cloudera Manager.
  2. In Cloudera Manager, select Clusters, KAFKA, and then from the Actions menu, select Add Role Instances.
  3. In the Add Role Instances to KAFKA page, click inside the Kafka Broker x n field, which opens the Hosts Selected page.
  4. Add the Kafka Broker role to at least three hosts by doing the following:
    1. Select the check box by the side of at least three hosts, which adds a Kafka Broker role icon in the Added Roles column for each selected host.
    2. Click OK, which takes you back to the Add Role Instances to KAFKA page where the Kafka Broker x n field is now populated with the selected host names.
    3. Click Continue.
    4. In the Review Changes page, verify the changes and click Continue.
    5. Click Finish.
  5. Back in the KAFKA page, click the Instances tab.
  6. Select the check box by the side of each host.
  7. From the Actions for Selected list, select Restart.
  8. In the Restart message, confirm restarting the hosts by clicking Restart.
  9. Monitor the progress until the Successfully restarted service message appears for each restarted host and then click Close.