Daily Archives: May 3, 2014

Fixing OpenVSwitch and GRE asymetric performances

OpenStack Havana is configured to use OpenVSwitch 1.10.2 as packaged for Ubuntu precise, with a linux-3.11 kernel.The cluster is connected to a 100Mb/s link. When sending data from an instance to the internet (using iperf), it shows ~90Mb/s. When receiving … Continue reading

Posted in Havana, openstack | 8 Comments