Exploring Stateful Microservices in the Cloud Native World
summary
Argues that stateful microservices are practical in Kubernetes by showing a simplified shopping‑cart prototype built with Open Liberty and MicroProfile, using MicroProfile LRA (released in May) for orchestration, Kafka-based choreography for event flows, and compensator services instead of rollbacks. Covers Kubernetes features used: leader‑election caveats, statefulsets and persistent volumes, session affinity, and JCache/Hazelcast or MongoDB for persistence. Provides GitHub guides and runnable Open Liberty examples; the demo flow for order → inventory → payment → shipping proves the approach end‑to‑end.
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chapters (15)
- 0:00Intro
- 3:08Stateful vs Stateless
- 5:55Stateless Computing
- 7:31Stateful Computing
- 9:04Stateful before the cloud
- 10:44Twophase commit
- 18:02Stateful microservices
- 18:38Cloud Native basics
- 20:42Cloud Native guidelines
- 26:51Techniques and mechanisms
- 28:26Kubernetes
- 34:06Programming
- 42:16Reactive Systems
- 44:10Code Samples
- 48:55Resources
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