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Chapter 3. Technology Previews
Technology Preview features are not supported with Red Hat production service-level agreements (SLAs) and might not be functionally complete; therefore, Red Hat does not recommend implementing any Technology Preview features in production environments. This Technology Preview feature provides early access to upcoming product innovations, enabling you to test functionality and provide feedback during the development process. For more information about support scope, see Technology Preview Features Support Scope.
3.1. Cluster rebalancing with Cruise Control
You can now install Cruise Control and use it to rebalance a Kafka cluster. Cruise Control helps to reduce the time and effort involved in running an efficient and balanced Kafka cluster.
A zipped distribution of Cruise Control is available for download from the Customer Portal. To install Cruise Control, you configure each Kafka broker to use the provided Metrics Reporter. Then, you set Cruise Control properties, including optimization goals, and start Cruise Control using the provided script.
The Cruise Control server is hosted on a single machine for the whole Kafka cluster.
When Cruise Control is running, you can use the REST API to:
- Generate dry run optimization proposals from multiple optimization goals
- Initiate an optimization proposal to rebalance the Kafka cluster
Other Cruise Control features are not currently supported, including anomaly detection, notifications, write-your-own goals, and changing the topic replication factor.
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