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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2021/08/20 02:32:23 UTC

[GitHub] [dubbo-go] wangxw666 opened a new issue #1404: elegant online：export to delay

wangxw666 opened a new issue #1404:
URL: https://github.com/apache/dubbo-go/issues/1404


   应用优雅上线的正常流程如下：
   
   ![image](https://user-images.githubusercontent.com/20626345/130169945-e016173a-85e4-4a2b-90cb-062b5d24546c.png)
   
   1. dubbo-go 需要提供：
       - 延迟注册/暴露功能
       - 用户自定义注册时机（更进一步的 ，dubbo有Qos）
   2. 需要提供k8s的容器探针接口
        - livenessProbe：指示容器是否正在运行。如果存活态探测失败，则 kubelet 会杀死容器， 并且容器将根据其重启策略决定未来。如果容器不提供存活探针， 则默认状态为 Success。
         - readinessProbe：指示容器是否准备好为请求提供服务。如果就绪态探测失败， 端点控制器将从与 Pod 匹配的所有服务的端点列表中删除该 Pod 的 IP 地址。 初始延迟之前的就绪态的状态值默认为 Failure。 如果容器不提供就绪态探针，则默认状态为 Success。
        -  startupProbe: 指示容器中的应用是否已经启动。如果提供了启动探针，则所有其他探针都会被 禁用，直到此探针成功为止。如果启动探测失败，kubelet 将杀死容器，而容器依其 重启策略进行重启。 如果容器没有提供启动探测，则默认状态为 Success。


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[GitHub] [dubbo-go] wangxw666 commented on issue #1404: elegant online：export to delay

Posted by GitBox <gi...@apache.org>.
wangxw666 commented on issue #1404:
URL: https://github.com/apache/dubbo-go/issues/1404#issuecomment-902385474


   应用同时作为服务提供者和消费者，如何在消费了上游服务之后，延迟注册，即环境预热成功之后再对外提供服务


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