I haven't been able to solve this problem but at least mitigate it. Use the 'rate' directive in the configuration files for all the domUs, to limit the network rate. I also used Shorewall's QoS to limit the download traffic to a value lower than our maximum for the public interface for one of our domUs that acts as a firewall/router.
Empirically I found that 5 Mbps is the value I needed to use in my system to avoid problems. To do this what I did is ping some resource, in our case any public server on the internet, that slows down when large traffic occurs. You will notice that as you start transferring the ping times get worse and worse. If it does, change the rate setting to lower value and test again. Do this until the ping times stay stable instead of slowly (Or even rapidly) increasing. This workaround it really unacceptable, since it limits severely the performance of the Virtual Servers, but in my case it is what I had to do in order to keep my production system working without hiccups. This is what you get for trying the bleeding edge, even though a higher level of reliability was promised because it is an LTS release. :-/ -- networking stalls between domU using vif https://bugs.launchpad.net/bugs/246789 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
