A small platform team schedules dozens of manual Lakeflow Jobs to run OPTIMIZE and VACUUM on Unity Catalog managed Delta tables. Runs get skipped whenever the on-call rotation changes, and table performance decays unpredictably. They have heard that Databricks can handle this maintenance automatically. What does predictive optimization provide?
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Correct answer: Databricks runs OPTIMIZE and VACUUM automatically on UC managed tables based on usage patterns
Reference: https://docs.databricks.com/aws/en/optimizations/predictive-optimization
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02 — The Myelin Layer · Canonical Discussion
Where the exam tries to trick you — and how those who passed solved it.
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Official Answer (B): Databricks runs OPTIMIZE and VACUUM automatically on UC managed tables based on usage patterns
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