Databricks Certified Data Engineer Associate · Free Practice Question Medium
Question 13
Why would you consider restarting a Databricks cluster?
- A When the cluster's Spark version needs to be downgraded for compatibility reasons.
- B To apply updates or changes to Spark configurations or cluster-level libraries.
- C To increase the storage capacity of the cluster's attached storage.
- D Restarting is required to apply software updates or patches to the cluster.
Reveal correct answer
Correct answer: B
Explanation
Restarting a Databricks cluster is beneficial for applying configuration changes and resolving runtime issues. It ensures that updates to Spark configurations, library installations, or adjustments made to optimize performance are effectively implemented. Additionally, restarting can help clear temporary glitches or memory leaks that affect cluster performance, making it a critical step in maintaining the efficiency and reliability of data processing workflows in Databricks environments.Discussion
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