Re: [kvm-devel] Some FAQ questions

2008-04-22 Thread Avi Kivity
Luca Tettamanti wrote: > Is cfq still fair in the guest? The VM re-dispatches the requests (at > least when using QEMU IDE) and the host can reschedule them at will. > The same problem occurs (to a lesser extent) in non-virtualized environments; disks (and esp. array controllers) also have the

Re: [kvm-devel] Some FAQ questions

2008-04-22 Thread Luca Tettamanti
On Tue, Apr 22, 2008 at 1:10 PM, Avi Kivity <[EMAIL PROTECTED]> wrote: > Damjan wrote: > > I have some questions for the FAQ, about the configuration of Linux guests: > > a) is swap needed in the guest (I'd say no, but..) > > b) what filesystem is best for a guest > > c) what io scheduler in

Re: [kvm-devel] Some FAQ questions

2008-04-22 Thread Avi Kivity
Damjan wrote: > I have some questions for the FAQ, about the configuration of Linux guests: > a) is swap needed in the guest (I'd say no, but..) > b) what filesystem is best for a guest > c) what io scheduler in the guest (noop? or cfq) > d) are there any runtime kernel tweaks for the guest (/p

[kvm-devel] Some FAQ questions

2008-04-21 Thread Damjan
I have some questions for the FAQ, about the configuration of Linux guests: a) is swap needed in the guest (I'd say no, but..) b) what filesystem is best for a guest c) what io scheduler in the guest (noop? or cfq) d) are there any runtime kernel tweaks for the guest (/proc/sys)? e) suggested