gRPC Python-如何为客户端添加空闲时间 [英] gRPC Python - how to add idle time for client

问题描述

我正在使用gRPC在客户端中调用服务.设置频道后:

I'm using gRPC to call a service in client. After I set up channel:

    channel = grpc.insecure_channel('server_url:service_port')
    stub = Client.Stub(channel)

效果很好.但是，如果有5分钟未使用客户端发送请求，则下一个请求将收到错误消息:

It works pretty good. However, if there's 5 minutes not using the client to send request, then the next request will get error message:

grpc._channel._Rendezvous: <_Rendezvous of RPC that terminated with (StatusCode.UNKNOWN, Stream removed)>

推荐答案

不幸的是，当频道中断时，gRPC重试功能仍在进行中，尚不完全可用.作为解决方法，您可以做的一件事是编写一个拦截器，以在遇到此类错误时自动重试.

Unfortunately the gRPC retries functionality when the channel breaks is still work in progress and not fully available yet. One thing you could do as a workaround is to write an interceptor to retry automatically if it sees such error.

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