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    Data Pipeline Error Handling Patterns

    Dead letter queues, retry strategies, idempotency, data quality checks, and alerting thresholds.

    E
    elenavogt|March 18, 2026|Updated Mar 21
    463 downloads53 stars

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    name: pipeline-errors

    Data Pipeline Error Handling

    1. Dead Letter Queue

    Failed records go to DLQ for manual review.

    2. Exponential Backoff

    Retry with 2^attempt delay.

    3. Idempotent Writes

    Upsert with natural keys.

    4. Data Quality Gates

    • Row count within 10% expected
    • No nulls in required columns
    • Freshness < 1 hour

    5. Circuit Breaker

    If error rate > 20%, pause and alert.