Backfill Without Breaking the Target

38 million fact rows need correction and the team needs a repeatable ETL response. Use staging, comparison, approval, and controlled publish as the operating model. The common trap is making the visible number move before the pipeline contract is safe to rerun. That creates a temporary win and a later incident. Name the promise Write the expected safe backfills contract: staging, comparison, approval, and controlled publish. A named promise turns the issue from vague concern into a testable claim. Check evidence Collect counts, timestamps, keys, rejects, and target operation for the affected run. Evidence identifies the first boundary that broke.…

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