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Caching ServiceInstance ListSupplier on Muck Rack

Caching ServiceInstance ListSupplier

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Feign源码解析6：如何集成discoveryClient获取服务列表 - 三国梦回 - 博客园

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By String serviceId, .withblocking DiscoveryClient, Caching ServiceInstance ListSupplier
| cnblogs.com
我们上一篇介绍了feign调用的整体流程，在@FeignClient没有写死url的情况下，就会生成一个支持客户端负载均衡的LoadBalancerClient。这个LoadBalancerClient可以根据服务名，去获取服务对应的实例列表，然后再用一些客户端负载均衡算法，从这堆实例列表中选择一个实例，再进行http调用即可。 上图中，最核心的也就是2处。我们本次就从这里入手，去研究下，服务实例列表是如何获取到的，以及如何配置静态的服务实例地址。 在上图的2处开始执行前，有这么一行： 这里就会去查找bean，类型是LoadBalancerLifecycle.class。去哪里查找呢，spring容器，但是是各个loadbalancer自己的spring容器。 刚开始嘛，容器还没有，此时就会触发spring容器的创建和初始化。这个容器里有哪些bean呢？...
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