liudaac

Add io-metrics to topic and broker, adapting the active controller in the context of Kraft

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- [x] **Breaking change?** (if so, please describe the impact and migration path for existing application instances) **What changes did you make?** (Give an overview) 1. Add metrics to topic...

DubboAdmin支持Dubbo3+Nacos做如下变更是否合适

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### Environment * Dubbo Admin version: 0.5.0 * Java version: 1.8 * Nacos: 2.1.0 ### Steps to reproduce this issue 1. 集成Dubbo3.x应用发现问题 NacosServiceMapping的初始化逻辑注入Url为metadataUrl，参考代码ConfigServer.getServiceMapping(ServiceDiscovery serviceDiscovery, InstanceRegistryCache instanceRegistryCache) 而目前按照Dubbo的处理逻辑，metadataUrl的group默认值为dubbo、registryUrl的group默认值为DEFAULT_GROUP，即存在metadataUrl与registryUrl不一致的情况，此时NacosServiceMapping使用metadataUrl初始化则导致getAllServiceNames()结果为空，现象为管理界面服务列表为空，此处应该修改为使用registryUrl进行初始化，才能使服务列表正常获取和显示，参考如下 ``` @Bean @DependsOn("dubboRegistry")...