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Lineage shows how data flows from its origins to its various destinations. This includes details of the processing along the way. It is used to understand:

  • whether the data used in reports and analytics models has come from the correct sources and has passed through the correct processing (known as traceability of data).

  • what would be the impact on downstream processing and consumers if something was changed (known as impact analysis).

  • whether the operational processes that implement the data flows are executing correctly (known as governance by expectation).

Lineage Management describes how lineage is collected, managed and used in Egeria.