Recover Late Arriving Data Safely
Apply late arriving records in a real ETL workflow.
613 orders arrive six hours late creates pressure to act quickly. The pipeline needs a fix that survives the next run. late arriving records decision path Use lookback windows, stable keys, and idempotent merge to decide the next move. Do not change target truth until the contract is clear. 01 Scope 02 Fix 03 Fresh case Noura sees the symptom: 613 orders arrive six hours late. What should happen first? The broken boundary is now identified. Which fix is strongest? A new pipeline has the same late arriving records risk but a different source. What transfers the principle? The strong…
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