very busy syslog server
Jin Guojun [VFFS]
j_guojun at lbl.gov
Sat Dec 10 14:56:10 PST 2005
What is "netstat -m" output on your machine?
Mathieu Arnold wrote:
>+-le 07/12/2005 12:44 +0200, Imri Zvik écrivait :
>| Hi!
>|
>| I'm trying to setup a syslog server to serve a large group of servers.
>| For the syslog daemon, I have chosen rsyslogd, and the backend is mysql (on
>| a different machine).
>|
>| The machine has 2 Intel Xeon 2.80GHz CPUs, and 1GB of RAM, and it is
>| running FreeBSD 6 (6.0-STABLE).
>|
>| The problem is, that I see a lot of UDP packets being dropped:
>
>without any tweaking :
># netstat -s -p udp
>udp:
> 750858021 datagrams received
> 0 with incomplete header
> 0 with bad data length field
> 0 with bad checksum
> 20003 with no checksum
> 142075741 dropped due to no socket
> 1152246 broadcast/multicast datagrams dropped due to no socket
> 1729027 dropped due to full socket buffers
> 0 not for hashed pcb
> 605901007 delivered
> 801662 datagrams output
>
>it's been up for a bit, and I don't use syslog but minirsyslogd, which is in
>the ports tree I believe.
>
>CPU: Intel(R) Celeron(R) CPU 2.40GHz (2400.09-MHz 686-class CPU)
> Origin = "GenuineIntel" Id = 0xf29 Stepping = 9
>
>Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
>real memory = 259194880 (247 MB)
>avail memory = 243978240 (232 MB)
>
>
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