Exploring Stateful Microservices Built with Open Liberty in Kubernetes
summary
Demonstrates keeping HTTP session state using Open Liberty with JCache with Hazelcast to back a simple shopping‑cart REST API (JAX‑RS) and runs locally via mvn liberty:run; shows the server starting and session data persisting across requests. Explains Kubernetes options—StatefulSet and PersistentVolume and cookie affinity—for cluster deployment, and describes long‑running transaction handling via the Saga pattern / MicroProfile LRA as a compensation-based alternative to two‑phase commit. Guides and demo code are available; the local demo builds and shows session persistence working.
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chapters (8)
- 0:00Introduction to stateful microservices
- 1:05Stateful vs stateless explained
- 8:31Stateful in cloud native world
- 12:43Cloud native computing basics
- 19:30Preserving state in cloud native
- 26:10Saga pattern for stateful services
- 39:54Demo: HTTP session caching
- 50:39Q&A and resources
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