Valeri Kuchansky valeri.kuchan...@genband.com wrote on 07/27/2011
10:47:14 AM:
Folks,
I'm looking for some help on guest network configuration when enabling
VT-d.
I have fully completed steps given on http://www.linux-kvm.org/page/
How_to_assign_devices_with_VT-d_in_KVM on detaching and
Chris Friesen chris.frie...@genband.com wrote on 06/27/2011 09:15:05 AM:
On Fri, 2011-06-24 at 15:10 -0600, Chris Friesen wrote:
Is anyone working on SR-IOV for KVM, specifically for networking? Or
is
virtio good enough that it's not a pressing concern?
In IBM's recent postings of results
Michael S. Tsirkin m...@redhat.com wrote on 02/02/2011 12:38:47 PM:
On Tue, Jan 25, 2011 at 03:09:34PM -0600, Steve Dobbelstein wrote:
I am working on a KVM network performance issue found in our lab
running
the DayTrader benchmark. The benchmark throughput takes a significant
hit
when
Michael S. Tsirkin m...@redhat.com wrote on 01/28/2011 06:16:16 AM:
OK, so thinking about it more, maybe the issue is this:
tx becomes full. We process one request and interrupt the guest,
then it adds one request and the queue is full again.
Maybe the following will help it stabilize?
By
mashi...@linux.vnet.ibm.com wrote on 01/27/2011 02:15:05 PM:
On Thu, 2011-01-27 at 22:05 +0200, Michael S. Tsirkin wrote:
One simple theory is that guest net stack became faster
and so the host can't keep up.
Yes, that's what I think here. Some qdisc code has been changed
recently.
I ran
ste...@us.ibm.com wrote on 01/28/2011 12:29:37 PM:
On Thu, 2011-01-27 at 22:05 +0200, Michael S. Tsirkin wrote:
One simple theory is that guest net stack became faster
and so the host can't keep up.
Yes, that's what I think here. Some qdisc code has been changed
recently.
I ran a
I am working on a KVM network performance issue found in our lab running
the DayTrader benchmark. The benchmark throughput takes a significant hit
when running the application server in a KVM guest verses on bare metal.
We have dug into the problem and found that DayTrader's use of small
packets