On 22.01.2021 12:52, Eugene Grosbein wrote:
22.01.2021 16:27, Victor Gamov wrote:
I increase kern.ipc.maxsockbuf from 2097152 -> 2597152 -> 3145728 but
netstat -sn -p udp | grep 'dropped due to full socket buffers' still show
dropped packets.
Then I increase net.inet.udp.recvspace 84160 -> 105200 but 'dropped due to full
socket buffers' packets still here.
Do I need to try to increase something else?
Increase of various buffers may help against very short traffic bursts or
limited time interface congestion.
It won't help in case you have permanent (or nearly permanent) link overload.
No link overload: this host attached to network via 10G ix0, many VLANs
on this ix0 and some sender on every VLAN sends multicast traffic to
this host. Total input traffic about 1Gbit/s
--
CU,
Victor Gamov
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