On Thu, 8 Mar 2001 kuznet@xxxxxxxxxxxxx wrote:
> the more pressure on backlog. Negative feedback, equilibrium value
> is unpredicatble. 8) Look into /proc/net/softnet_stat,
> the second column. What does it show?
[root@rcc intel_linux]# cat /proc/net/softnet_stat
00fe20ec 0000ae4e 00000ece 000000b6 00000000 00000000 00000000 00000000
0012e228
00eff495 0000b941 000010d0 000000cc 00000000 00000000 00000000 00000000
0006f8bd
>
>
> > track it down. When I used DaveM's zero-copy patches on
>
> Wow! Did you test _without_ it?
> How was zerocopyless kernel able to hold 1.5Gig? It copies all twice!
linux-2.4.0 has always been SIGNIFICANTLY better than linux-2.2
even with a single processor, I'm able to get above 1.5Gbit/sec
UDP and nearly 1.0Gbit/sec tcp.
>
>
> > a linux-2.4.0 kernel, most, if not all, of these
> > packet receive errors went away.
>
> They must disappear completely. Each loss on LAN is bug.
> User has right to expect that no losses happen.
I'd like them to go away, but UDP losees due to socket overflows
are quite common on most operating systems.
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