Hello,
I have some performance issues with graylog2-server 0.92.4 (cannot process
more than 7-8k per second), and I think it may be related to UDP buffers.
This is CentOS 6 virtual machine with 16 vCPU.
$ netstat -ulptn|grep 12201
tcp 0 0 :::12201 :::*
LISTEN 2311/java
udp 75960 0 :::12201 :::*
2311/java
I've noticed this in my logs:
16:31:06,719 WARN [NettyTransport] receiveBufferSize (SO_RCVBUF) for [id:
0x537c78d9, /0:0:0:0:0:0:0:0:12201] should be 1048576 but is 43690.
I've set udp_recvbuffer_sizes=1048576 but no luck.
Also, I've set net.core.rmem_max from 124928 to 26214400.
Any idea where did this 43690 come from?
if you need additional information I am at your disposal.
Kind regards,
Petar Koraca
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