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

Menil Jean-Philippe jean-philippe.menil at univ-nantes.fr
Thu Dec 9 16:01:50 UTC 2010


Le 09/12/2010 16:36, Michael Tokarev a écrit :
> 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
Hmmm,

i must apologize.
I simply reach the limit between my post and the switch. If i ping the 
host from another pc, ther's no problem at all.

Sorry for the noise.
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