architecture decision

ADR-013: Publish order metrics once per day

OrderAnalytics publishes daily order metrics rather than streaming every operational change into analytical consumers.

Decision RecordDecember 4, 2024AcceptedAnalytics

Context

Business reporting needs stable daily metrics more than real-time event streams. Streaming every order change adds complexity to analytics pipelines.

Decision

OrderAnalytics publishes OrderMetricsCalculated once per reporting day. Operational systems remain event driven, while analytical consumers use the daily data product.

Consequences

Reports are consistent and easier to reconcile. Real-time operations still use domain events and fulfillment read models.

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