当服务器中的服务器任务花费的时间太长时，我在Go中开发了gRPC服务器，并在Python中开发了客户端，客户端中出现以下错误，服务器运行无任何错误。

 raise _Rendezvous(state,None,deadline)
grpc._channel._Rendezvous: <_Rendezvous of RPC that terminated with:
    status = StatusCode.UNAVAILABLE
    details = "Socket closed"
    debug_error_string = "{"created":"@1573373169.327520081","description":"Error received from peer","file":"src/core/lib/surface/call.cc","file_line":1039,"grpc_message":"Socket closed","grpc_status":14}"

像这样增加超时时间是行不通的，并且在超时之前大约4秒钟，我收到了错误消息。

res = stub.Fake(
    fake_pb2.FakeRequest(
        **fake_request
    ),timeout=9
)