In the Kafka profile configuration, you define which Kafka broker to consume messages from or produce messages to, if security shall be applied, and if other specific settings for communication are needed.
Configuration
To create a new Kafka profile configuration, click on the New Configuration button and select Kafka Profile from the Configurations dialog.
The Kafka profile configuration contains two tabs; Connectivity and Advanced.
Connectivity tab
The Connectivity tab is displayed by default when creating or opening a Kafka profile.
The Connectivity tab contains the following settings:
Setting | Description |
|---|---|
Host | Hostname of the Kafka broker. |
Port | Port of the Kafka broker. |
Security Profile | If you want to have a secure connection, click Browse… to select a Security profile with the certificate and configuration you want to use, see Security (4.2) for more information about the Security profile. |
Advanced tab
In the Advanced tab, you can configure properties for optimizing the performance of the Kafka Producer and Consumer. The Advanced tab contains two tabs; Producer and Consumer.
Producer tab
In the Producer tab, you can configure the properties of the Kafka forwarding agent.
Kafka profile configuration - Producer tab in the Advanced tab
For information on how to configure the properties for SSL and Kerberos, see https://www.cloudera.com/documentation/kafka/latest/topics/kafka_security.html.
Note!
Once you have edited the JAAS file required for Kerberos, you will need to restart the EC to register the changes made.
Note!
If you make any changes to the security configuration of the Kafka Producer, any topics used must be recreated before they can be used.
For further information on the properties, see https://kafka.apache.org.
Enabling Compression for Kafka
Compression for messages to be sent to Kafka brokers can now be enabled from the Advanced producer properties. The compression codec utilized by the system follows the standard Kafka library, where Gzip, Lz4 and Snappy are supported.
To enable compression, just add the property compression.type into the Advanced producer properties and add the value, gzip, lz4, snappy or none.
Consumer tab
In the Consumer tab, you can configure the properties of the Kafka collection agent.
See the text in the Advanced consumer properties field for further information about the properties