[GRO]Directional network performance issues with Neutron + OpenvSwitch

今天看到一個關於GRO的bug, 還蠻有意思的，收藏一下

Directional network performance issues with Neutron + OpenvSwitch

Reviewed:  https://review.openstack.org/58606
Committed: http://github.com/openstack/openstack-manuals/commit/3cc8efdf5466750334e912ae8efa4cc8c0354edb
Submitter: Jenkins
Branch:    master


commit 3cc8efdf5466750334e912ae8efa4cc8c0354edb
Author: Darragh O'Reilly <[email protected]>
Date:   Tue Nov 26 20:00:17 2013 +0000


    Add warning about GRO and Neutron routers
    
    Generic Receive Offload appears to be enabled by default on recent Ubuntu
    kernels. It can have a significant impact on download performance when
    enabled on a Neutron router interface. This patch warns users about that.
    
    Change-Id: I3d3a560b1db55aabd901f27ad5c7bd5777b300da
    Closes-bug: 1252900




** Changed in: openstack-manuals
       Status: In Progress => Fix Released

https://bugs.launchpad.net/neutron/+bug/1252900

http://lists.openstack.org/pipermail/openstack/2013-November/002705.html

http://lists.openstack.org/pipermail/openstack/2013-November/002811.html

http://home.arcor.de/pangj/squid/