[lxc-devel] Packet loss when high network traffic load

[Michael Tokarev]

09.12.2010 18:29, Menil Jean-Philippe wrote:
> Hi,
> 
> i'm experiencing some packet loss under high network traffic.
> Here is the scenario:
> i have on host with one guest running as a proxy (squid)
> 
> 
> So, when i start downloading 10-15 dvd image from my client (wget
> http://ftp.proxad.net/mirrors/ftp.mandriva.com/MandrivaLinux/official/iso/2010.1/mandriva-linux-free-2010-spring-i586.iso
> -O /dev/null &) with the right http_proxy option positionned; i can see
> some pacjet loss and latency pinging the host:
> 
> menil-jp at antares:~$ ping -c 30 balblair.u06
> result:
> --- balblair.u06.univ-nantes.prive ping statistics ---
> 30 packets transmitted, 27 received, 10% packet loss, time 33082ms
> rtt min/avg/max/mdev = 6.264/8.009/9.007/0.818 ms

How about trying the same without lxc?

> Is it the expected behaviour, or i'm missing some configuration somewhere?

I think when you saturate your link,
some packet loss is to be expected.

/mjt