Re: [Xen-devel] Xen 3.0.4 - Ballooning

[Sébastien RICCIO <sr@xxxxxxxxxxxxxxx>]

Hi Andrew,

Thank you a lot for your answer. I will try to play with this a little.

Best regards.


--
Sébastien Riccio
SwissCenter / OpenBusiness SA
sr@xxxxxxxxxxxxxxxx



Andrew D. Ball a écrit :
> Not such a dumb question.  As far as I know, memory ballooning is only
> done from the control partition (dom0) nowadays, explicitly.
>
> It would be nice for something inside of a domU's kernel or userspace to
> watch 
> some metric and then ask nicely for more memory if needed.  Paravirtual
> drivers
> can do this for sure, but I haven't poked around enough to know which
> available
> ones do and how to trigger it.
>
> Peace.
> Andrew
>
> On Mon, 2007-01-08 at 11:21 +0100, Sébastien RICCIO wrote:
>   
> > Hi,
> >
> > Maybe it's a dumb question, but I'm actually trying to understand how 
> > the memory allocation works within Xen.
> > I try to give 128MB to a domU and see if it increases for example when I 
> > "nano" a 500mb file, but the process
> > just get killed when it reachs the 128MB memory limit.
> >
> > How do I configure the guests so they can ask for more memory until a 
> > limit is reached ?
> > Thanks a lot for your help.
> >
> > Best regards
> >     
>
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>   

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