[ovirt-users] Network performance drop when compared to other hypervisor with vhost_net on for UDP

2015-01-14 Thread mad Engineer
I am running RHEL6.5 as Host and Guest on HP server. Server has 128G and 48 Core[with HT enabled.] 3 VMs are running 2 pinned to first 24 PCPU with proper NUMA pinning, Guests: VM1: 6 VCPU pinned to 6 PCPU NUMA node 1,with 16G RAM VM2: 6 VCPU pinned to 6 PCPU on NUMA node 0,with 16G RAM VM3:

Re: [ovirt-users] Network performance drop when compared to other hypervisor with vhost_net on for UDP

2015-01-14 Thread Martin Pavlík
Hi, from the top of my head you could try to play with tuned both with guest and host ###Install### yum install tuned /etc/init.d/tuned start chkconfig tuned on ###usage### list the profile: tuned-adm list change your profile: tuned-adm profile throughput-performance maybe try to

Re: [ovirt-users] Network performance drop when compared to other hypervisor with vhost_net on for UDP

2015-01-14 Thread mad Engineer
Thanks Martin, How can we see the changes made by tuned? for virtual guest i see it changes scheduler to deadline.Is there any way to see what parameters each profile is going to change Thanks On Wed, Jan 14, 2015 at 6:14 PM, Martin Pavlík mpav...@redhat.com wrote: Hi,

Re: [ovirt-users] Network performance drop when compared to other hypervisor with vhost_net on for UDP

2015-01-14 Thread Martin Pavlík
Check files under /etc/tune-profiles/ HTH Martin Pavlik RHEV QE On 14 Jan 2015, at 13:55, mad Engineer themadengin...@gmail.com wrote: Thanks Martin, How can we see the changes made by tuned? for virtual guest i see it changes scheduler to deadline.Is there any way