Rerun From the First Bad Contract
Apply dependency reruns in a real ETL workflow.
a downstream mart fails after a suspicious upstream count creates pressure to act quickly. The pipeline needs a fix that survives the next run. dependency reruns decision path Use DAG dependencies, data state, and first abnormal output to decide the next move. Do not change target truth until the contract is clear. 01 Scope 02 Fix 03 Fresh case Ravi sees the symptom: a downstream mart fails after a suspicious upstream count. What should happen first? The broken boundary is now identified. Which fix is strongest? A new pipeline has the same dependency reruns risk but a different source. What…
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