HostReactor定义了serviceInfoMap、cacheDir、updateThreadNum、serviceProxy、pushReceiver、subCallback、updateTimeMap、updateCacheWhenEmpty属性

NamingClient定义了hostReactor、serviceProxy、subCallback、beatReactor、indexMap属性

Nacos(Naming and Configuration Service)致力于帮助您发现、配置和管理微服务。Nacos 提供了一组简单易用的特性集，帮助您快速实现动态服务发现、服务配置、服务元数据及流量管理。

本篇文章来记录下使用Nacos进行远程配置文件读取的操作，类似于 SpringCloud-Config 组件的功能本文源地址：读取Nacos的配置信息 Github地址：SQuid

rocketmq-spring-boot-2.0.3-sources.jar!/org/apache/rocketmq/spring/support/DefaultRocketMQListenerContainer.java

nacos-1.1.3/address/src/main/java/com/alibaba/nacos/address/controller/ServerListController.java

nacos-1.1.3/address/src/main/java/com/alibaba/nacos/address/controller/AddressServerClusterController.java

nacos-1.1.3/address/src/main/java/com/alibaba/nacos/address/controller/AddressServerClusterController.java

nacos-1.1.3/naming/src/main/java/com/alibaba/nacos/naming/consistency/persistent/raft/RaftCore.java

nacos-1.1.3/config/src/main/java/com/alibaba/nacos/config/server/controller/CommunicationController.java