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AI & Machine Learning · Intermediate

Model Registry

A central catalog that stores model versions with metadata, lineage and approval status for deployment.

Definition

Registries manage the lifecycle from candidate to approved to production, support rollback and integrate with CI/CD. Examples include SageMaker Model Registry, Vertex AI Model Registry, Azure ML registries and MLflow Model Registry in Unity Catalog.

Exam tip

Use the model registry approval status to gate automated deployments.

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