Exam DP-203 topic 4 question 6 discussion

To ensure that the cluster configuration is retained indefinitely after the cluster is terminated while minimizing costs, you should pin the cluster. Pinning a cluster in Azure Databricks prevents it from being terminated by the auto-termination feature. This means that the cluster configuration and installed libraries will be retained even if the cluster is not being used. This is the most efficient and cost-effective way to ensure that the cluster configuration is retained indefinitely after the cluster is terminated. Creating an Azure runbook to start the cluster every 90 days would require additional resources and would not be a cost-effective solution. Terminating the cluster manually when processing completes would not retain the cluster configuration. Cloning the cluster after it is terminated would create a new cluster with the same configuration, but this would also result in additional costs. Should be A

Correct

A. Pin the cluster Pinning prevents automatic termination, keeping the cluster running longer than needed, increasing costs. Since the requirement is to use it infrequently, pinning is not a cost-effective solution.

Azure Databricks retains cluster configuration information for up to 200 all-purpose clusters terminated in the last 30 days and up to 30 job clusters recently terminated by the job scheduler. To keep an all-purpose cluster configuration even after it has been terminated for more than 30 days, an administrator can pin a cluster to the cluster list. Ref : https://docs.databricks.com/api/azure/workspace/clusters

https://learn.microsoft.com/en-us/azure/databricks/compute/clusters-manage

Cloning the cluster after it is terminated is the best option in this case because it will allow the cluster configuration to be retained indefinitely without requiring any ongoing maintenance or incurring unnecessary costs. Here are some of the benefits of cloning the cluster after it is terminated: The cluster configuration will be retained indefinitely. There will be no ongoing maintenance or costs associated with the cluster. The cluster can be easily restarted when it is needed.

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Correct answer!