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Episode 01 / Pipelines

Backfill Playbook: From Request to Release

A backfill needs more than a rerun. I use five stages: define the scope, choose a strategy, run by partition, validate the result, and publish atomically.

Data Sketch Episode 1: Backfill Playbook from Request to Release

Reading the sketch

  1. Intake

    Define the scope first: the tables, date range, and owner.

  2. Plan

    Choose the backfill strategy: recompute, rebuild, or patch.

  3. Run

    Run by partition, track progress, and store the run ID.

  4. Validate

    Check counts and uniqueness, then reconcile the metrics.

  5. Publish

    Publish atomically by swapping tables or rebuilding marts, then monitor the release.

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