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Ingress gateway Envoy Memory/Connections leak #13355
Running with ingressgateway-sds on 1.1.1
Memory usage grows ~2.5gb over days
envoy stats shows a ton of connections:
Config dump doesn't show anything interesting
In essence, if client opens keep-alive connection and abandons it, it hangs there possibly indefinitely. We observed this going up to ~100k connections, at which point we were forced to restart the gateway, as the connections were coming through NAT, from limited set of IPs which started causing port collisions and timeouts.