Creating a Runtime Cluster Using a Cloudera Manager Template

You can create a new cluster by exporting a cluster template from an existing cluster managed by Cloudera Manager. You can then modify the template and use it to create new clusters with the same configuration on a new set of hosts.

  • Duplicate clusters for use in developer, test, and production environments.
  • Quickly create a cluster for a specific workload.
  • Reproduce a production cluster for testing and debugging.
Follow these general steps and refer to the following tasks to create a template and a new cluster:
You can only import a cluster template to create a new cluster that is running the same version of Cloudera Runtime as the cluster from which the template was exported.
  1. Export the cluster configuration from the source cluster. The exported configuration is a JSON file that details all of the configurations of the cluster. The JSON file includes an instantiator section that contains some values you must provide before creating the new cluster.
  2. Set up the hosts for the new cluster by installing Cloudera Manager agents and the JDK on all hosts. For secure clusters, also configure a Kerberos key distribution center (KDC) in Cloudera Manager.
  3. Create any local repositories required for the cluster.
    See Step 1: Configure a Repository for Cloudera Manager.
  4. Complete the instantiator section of the cluster configuration JSON document to create a template.
  5. Import the cluster template to the new cluster.