How do I ensure exactly-once processing in a streaming data pipeline?

To ensure exactly-once processing:

  • Use idempotent operations to guarantee each event is processed once.
    Ensure that events are enriched and stored consistently throughout the pipeline.
  • Leverage technologies like Kafka and Flink which provide built-in exactly-once semantics for data integrity.

Snowplow ensures exactly-once processing by carefully designing schemas and integrating error-handling mechanisms to recover from failures, maintaining data consistency across the pipeline.

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