|
|
![](http://www.xen.org/images/globals/pixel.gif) |
|
|
|
|
|
|
|
xen-users
Re: [Xen-users] ways to help improve network performance
On Thu, Jun 01, 2006 at 02:21:27AM -0700, Shaun wrote:
> I'm looking for any bit of info that any of you may have to help improve
> performance to Dom0/U's. Performance is fine as long as the host doesnt
> have much going on but if you have a few domU's eating a good amount of
> resources it will cause the latency to go up. Right now i'm seeing a
> 30-60ms increase in latency. Host is a Dual Xeon with HT disabled. Dom0 is
> assigned both cpu's while domU's are given 1 cpu and distributed evenly
> between cpu 0 and 1.
>
I did these steps to improve network performance with xen 3:
1. Assigned one CPU (hyperthread) _only_ for dom0
2. Changed the (default) xen scheduler to BVT
3. Changed the default linux io elevators from anticipatory -> cfq
-- Pasi
_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users
|
|
|
|
|