Go server stream behind Nginx Ingress Controller

[Jordi Forns]

Hi all.

I'm having trouble with detecting client disconnections in server streams.

The server is written in Go and is behind an Nginx Ingress Controller. Apparently Nginx is responding with ACKs to the PING keepalive messages, so they're not reaching the final clients and thus lose their purpose.

I tried activating TCP keepalive in Nginx and I can see the ping frames, but it seems the Go server is not being notified when there's a timeout.

I'm not sure if TCP keepalives are supported by the Go implementation, haven't found much info in that regard. Could someone clarify?

Regards,

Jordi.

[Mya Pitzeruse]

There's a lot to take into consideration here such as where your workload currently runs (AWS, GCP, etc).. For example, I know some* AWS load balancers support HTTP/2, but don't properly support things like trailers which gRPC relies on in stream based calls.

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Mya Pitzeruse

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