danzh
danzh
/assign @RyanTheOptimist
> I am still seeing error stream reset: reset reason: protocol error, response details: http3.invalid_header_field It doesn't look like the same problem though, please file a different issue and cc...
Please adjust your listen socket's receive buffer size; https://www.envoyproxy.io/docs/envoy/latest/intro/arch_overview/http/http3#downstream-stats
> Thanks @danzh2010, If kernel’s UDP listen socket’s receive buffer isn’t large enough, Is it possible it causes other issues? We came across this counter value while investigating a memory...
> Any recommendation how big it should be? currently it's ~9.5mb. This depends on your bandwidth, and the Linux kernel doubles the number your supplied via setsockopt. Also please keep...
I don't know the ingress rate of your service. Assuming it's 5min range, you have ~400M packet drops per sec. You can check `netstat -p udp` to confirm the numbers...
nstat only shows incremented values since last run, please use 'nstat -a'. And I didn't see the result had dropped packets count. Can you use `netstat -p udp`?
Which UDP extension are you using?
> > Which UDP extension are you using? > > We don't use any UDP extension. Are you using UDP Proxy?
Can you share your UDP listener config?