Data flow by store
The data-flow diagram inverts the system map: instead of showing services as the focus, it shows persistent stores as the focus, with every service that writes to or reads from each one.
Useful for questions like:
- “Which services write to Postgres?” — count the inbound arrows in the Postgres subgraph.
- “If Stripe is down, which services degrade?” — see the Stripe subgraph.
- “Where do we still read from Kubernetes CRDs?” — see the K8s subgraph.
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