advanced~2.5h
Event Sourcing with DynamoDB Using Composite Keys
Modeling an event-sourced aggregate as a DynamoDB table using a composite partition+sort key, enabling efficient retrieval of an aggregate's full ordered event history from a single query.
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Subtopics
🎓 Learning objectives
- •Explain the core idea of event sourcing and why it needs an ordered, append-only event log
- •Design a composite key schema using aggregateId as partition key and eventSequence as sort key
- •Query an aggregate's full or partial event history efficiently using key conditions
- •Reconstruct current state by replaying an aggregate's ordered events
- •Identify why DynamoDB's native strengths align unusually well with event sourcing
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Related concepts
spring-boot-dynamodb-integrationdynamodb-streams-fundamentalscqrs-and-event-sourcing-fundamentalsrds-vs-dynamodb-fundamentals