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RAN-DBDEA-00075
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Exam DBDEA Topics: jobs Difficulty: hard

A Lakeflow Job with eight tasks failed during last night's run: tasks 1-4 succeeded, task 5 failed because of a bad record that has now been fixed in the source, and tasks 6-8 were skipped. Re-running tasks 1-4 is expensive because they re-ingest a full day of data. What is the most efficient way to recover?

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  1. A. Run now, which re-executes all eight tasks from the beginning
  2. B. Repair run on the failed run, which re-runs only the unsuccessful task 5 and the dependent tasks 6-8
  3. C. Repair run on the failed run, which re-runs only task 5 and leaves tasks 6-8 permanently skipped
  4. D. Clone the job, delete tasks 1-4 from the clone, and run the clone manually
Reveal answer

Correct answer: Repair run on the failed run, which re-runs only the unsuccessful task 5 and the dependent tasks 6-8

Reference: https://docs.databricks.com/aws/en/jobs/repair-job-failures

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Official Answer (B): Repair run on the failed run, which re-runs only the unsuccessful task 5 and the dependent tasks 6-8

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