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Re: [Xen-devel] Xen 3.0.4 - Ballooning



Hi Andrew,

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

Best regards.


--
SÃbastien Riccio
SwissCenter / OpenBusiness SA
sr@xxxxxxxxxxxxxxxx



Andrew D. Ball a Ãcrit :
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, SÃbastien 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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