Re: need advice for high traffic network

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Jul 19, 2007 at 03:40:27PM -0700, Konstantin Svist wrote:
> # cat /proc/sys/net/netfilter/nf_conntrack_max
> 65536
> 
> somehow I doubt I have THAT many connections :)
> 
> highest load right now is around 600 requests per second, and ~60% 
> complete within 10ms - the rest complete within 200ms (unless the 
> firewall is turned on - then some start timing out 3s and up)

600s * 120s ip_conntrack_tcp_timeout_time_wait = 72000 entries

( =>  http://www.isi.edu/touch/pubs/infocomm99/infocomm99-web/ )

You might want to try to reduce those timers or just push
up your hash bucket = max entry values to maybe twice that.

Attachment: signature.asc
Description: Digital signature


[Index of Archives]     [Linux Netfilter Development]     [Linux Kernel Networking Development]     [Netem]     [Berkeley Packet Filter]     [Linux Kernel Development]     [Advanced Routing & Traffice Control]     [Bugtraq]

  Powered by Linux