RE: [Xen-users] As load on Dom1 increases the load on Dom0 also increases

["Petersson, Mats" <Mats.Petersson@xxxxxxx>]

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
> Shweta Kumari, Noida
> Sent: 22 January 2007 11:49
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] As load on Dom1 increases the load on 
> Dom0 also increases
> 
> 
> 
> Hi!
> 
> We are using Xen3.0.3. We have allocated 20% CPU to Dom0 and 
> 80% to Dom1
> with no extra time CPU usage.
> 
> We have a single network interface card.
> 
> We use a test plan to increase load on Dom1 using http requests. 
> 
> We have observed that as the load on Dom1 increases the load on Dom0
> also increases. 
> 
> Is this obvious behavior? What are the reasons for this kind of
> scenario? Is this due to routing of incoming requests for DomU through
> Dom0.


Yes, that's expected. Dom0 handles all network requests for the DomU, as
well as all disk-requests (if any). 

--
Mats
> 
> Best regards,
> Shweta
> 
> 
> 
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