Re: Net device byte statistics

From: Denis Vlasenko (vda@port.imtp.ilyichevsk.odessa.ua)
Date: Fri Jul 25 2003 - 02:03:32 EST


On 25 July 2003 03:22, Bernd Eckenfels wrote:
> In article <200307250156.47108.fredrik@dolda2000.cjb.net> you wrote:
> > On the other hand, I cannot imagine that noone would have thought of it. What
> > is the reason for this? Is there another interface that I should use instead
> > of /proc/net/dev to gather byte statistics for interfaces?
>
> it is for performance reasons. You can
>
> a) collect your numbers more often and asume wrap/reboot if numbers
> decrease
> b) use iptables counters instead
>
> BTW: it is a very often discussed topic, personally (as net tools
> maintainer) I would love to see 64bit counters here, but this still means
> you have to sample often enough, so you do not lose numbers on crash.

I sample the data every minute. Will need to do it much more often
on 10ge ifaces, when those will appear at my home ;)

Or we will need 64bit counters then.

--
vda
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