Java: From Stateless-Serverful to Stateful-Serverless
summary
Argues that replacing stateless-serverful with stateful-serverless cuts database IO by keeping per-entity state hot in memory and using a single-writer model, demonstrates a Java event-sourced shopping cart built with Akka Serverless from protobuf to generated Java classes, emits domain events, defines CQRS views, and deploys via Maven/Docker with no manual schema or DB wiring so persistence is managed by the platform. Demo runs live, supports polyglot clients, and shows noticeably fewer DB roundtrips and simpler deployment.
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chapters (6)
- 0:00Introduction to talk
- 1:20Stateless vs stateful systems
- 12:34Akka Serverless overview
- 27:10Deploying stateful services
- 36:23Code walkthrough and demo
- 41:27Conclusion and Q&A
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