Hi,

For a chat service I have the client connect to a gRPC server running in 
Istio (and using FlatBuffers).

When the server is shutdown the TCP connection remains connected (to Istio 
it appears) but the client doesn't detect the server went away, so 
continues to send Keep Alives thinking the server should be sending data 
eventually, but the server never will since its RPC call state was lost 
when it was shutdown.

What is the expected RPC stream semantics in the case where the server goes 
away mid stream? Should the client be able to detect this and restart the 
RPC stream?

Thanks!


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