Ray's Galactic Tech

Dec 14, 2025 · Cloud Native

How OpenFeign and Spring Cloud LoadBalancer Work Together: Deep Source Code Walkthrough

This article provides a detailed source‑code analysis of how OpenFeign and Spring Cloud LoadBalancer collaborate in Spring Cloud microservices, covering core roles, the full request‑response chain, configuration, extension points, reactive vs blocking behavior, performance tuning, and a comparison with Ribbon.