Operations & Cost

Modeling gets your data in. Operating it — keeping writes consistent, reacting to changes, expiring old rows, paying the right capacity bill, surviving a region outage, and recovering from a bad deploy — is the half that decides whether a DynamoDB table is something you trust in production.

This section is one running scenario, not six disconnected reference pages. You are building the audit log for a multi-tenant SaaS — the immutable record of "who did what, when" that every B2B product eventually has to ship for its enterprise customers. One table, partitioned per tenant:

Every guide below adds one operational concern to this same table:

Read them in order — each assumes the table from the one before. Start with transactions; the rest build on the events it writes.

Download DynoTable to inspect, query, and edit the audit-log table as you work through the scenario.