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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2021/11/03 06:01:38 UTC

[GitHub] [dubbo] chickenlj opened a new issue #9196: Revisit the service discovery process

chickenlj opened a new issue #9196:
URL: https://github.com/apache/dubbo/issues/9196


   ![Untitled](https://user-images.githubusercontent.com/18097545/140015647-690f008d-9f91-4743-86ce-4a88afcc2831.png)
   


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[GitHub] [dubbo] chickenlj commented on issue #9196: Revisit the service discovery process

Posted by GitBox <gi...@apache.org>.
chickenlj commented on issue #9196:
URL: https://github.com/apache/dubbo/issues/9196#issuecomment-958675580






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[GitHub] [dubbo] chickenlj edited a comment on issue #9196: Revisit the service discovery process

Posted by GitBox <gi...@apache.org>.
chickenlj edited a comment on issue #9196:
URL: https://github.com/apache/dubbo/issues/9196#issuecomment-958675580






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[GitHub] [dubbo] chickenlj edited a comment on issue #9196: Revisit the service discovery process

Posted by GitBox <gi...@apache.org>.
chickenlj edited a comment on issue #9196:
URL: https://github.com/apache/dubbo/issues/9196#issuecomment-958675580






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[GitHub] [dubbo] chickenlj commented on issue #9196: Revisit the service discovery process

Posted by GitBox <gi...@apache.org>.
chickenlj commented on issue #9196:
URL: https://github.com/apache/dubbo/issues/9196#issuecomment-958675580


   1. 核心是下面 `服务暴露/应用`、`注册实例`两个流程，主要的变化是：计划把集中化的InMemoryWritableMetadataService清理掉，所有操作以ServiceDiscovery为中心，Metadata与Instance作为服务发现的两个互相绑定的内容，全部都由ServiceDiscovery托管。
   
   2. 第二个点是 ServiceNameMapping。
   
   3. 第三个点是服务测试元数据（这部分比较独立和简单）。


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[GitHub] [dubbo] chickenlj commented on issue #9196: Revisit the service discovery process

Posted by GitBox <gi...@apache.org>.
chickenlj commented on issue #9196:
URL: https://github.com/apache/dubbo/issues/9196#issuecomment-958675580






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[GitHub] [dubbo] chickenlj commented on issue #9196: Revisit the service discovery process

Posted by GitBox <gi...@apache.org>.
chickenlj commented on issue #9196:
URL: https://github.com/apache/dubbo/issues/9196#issuecomment-958677490


   这样将应用级别服务发现的相关概念更内聚在 ServiceDiscovery 中，另一方面有利于支持多注册中心；需要将映射关系也考虑在内，比较麻烦的是消费端的映射关系读取。


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[GitHub] [dubbo] chickenlj edited a comment on issue #9196: Revisit the service discovery process

Posted by GitBox <gi...@apache.org>.
chickenlj edited a comment on issue #9196:
URL: https://github.com/apache/dubbo/issues/9196#issuecomment-958675580


   1. 核心是下面 `服务暴露/应用`、`注册实例`两个流程，主要的变化是：计划把集中化的InMemoryWritableMetadataService清理掉，所有操作以ServiceDiscovery为中心，Metadata与Instance作为服务发现的两个互相绑定的内容，全部都由ServiceDiscovery托管；包括ServiceInstancesChangedListener中的元数据操作，也放在ServiceDiscovery内完成，onEvent通知出去的是包含metadata的完整ServiceInstance
   
   2. 第二个点是 ServiceNameMapping。这块需要再看看。
   
   3. 第三个点是服务测试元数据（这部分比较独立和简单）。


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[GitHub] [dubbo] chickenlj edited a comment on issue #9196: Revisit the service discovery process

Posted by GitBox <gi...@apache.org>.
chickenlj edited a comment on issue #9196:
URL: https://github.com/apache/dubbo/issues/9196#issuecomment-958675580


   1. 核心是下面 `服务暴露/应用`、`注册实例`两个流程，主要的变化是：计划把集中化的InMemoryWritableMetadataService清理掉，所有操作以ServiceDiscovery为中心，Metadata与Instance作为服务发现的两个互相绑定的内容，全部都由ServiceDiscovery托管；包括ServiceInstancesChangedListener中的元数据操作，也放在ServiceDiscovery内完成，onEvent通知出去的是包含metadata的完整ServiceInstance
   
   2. 第二个点是 ServiceNameMapping。
   
   3. 第三个点是服务测试元数据（这部分比较独立和简单）。


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[GitHub] [dubbo] chickenlj edited a comment on issue #9196: Revisit the service discovery process

Posted by GitBox <gi...@apache.org>.
chickenlj edited a comment on issue #9196:
URL: https://github.com/apache/dubbo/issues/9196#issuecomment-958675580


   1. 核心是下面 `服务暴露/应用`、`注册实例`两个流程，主要的变化是：计划把集中化的InMemoryWritableMetadataService清理掉，所有操作以ServiceDiscovery为中心，Metadata与Instance作为服务发现的两个互相绑定的内容，全部都由ServiceDiscovery托管；包括ServiceInstancesChangedListener中的元数据操作，也放在ServiceDiscovery内完成，onEvent通知出去的是包含metadata的完整ServiceInstance，ServiceInstancesChangedListener进一步的完成到interface listener的转换。
   
   2. 第二个点是 ServiceNameMapping。这块需要再看看。
   
   3. 第三个点是服务测试元数据（这部分比较独立和简单）。


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