Back in the late 90s when absolutely everybody knew that Java was going to become the one programming language to rule them all, the Java Ring was handed out to folks at Java developer conferences as ...

如果说 RPC 的基础能力是“让远程调用像本地调用一样简单”，那熔断降级解决的就是另一个更现实的问题：当远程调用不可靠时，如何让系统尽量不要一起倒下。这也是为什么真正的 RPC 框架，从来不只是封装网络请求这么简单。 本文会参考 Dubbo 的整体设计 ...