Re: [Xen-users] can Xen use swap instead or RAM?

[Martinx - ジェームズ <thiagocmartinsc@xxxxxxxxx>]

Hi!

ÂThe Xen 4.0 introduces the TMEM project, take a look at it:

Âhttp://wiki.xensource.com/xenwiki/Xen4.0

ÂTMEM allows improved utilization of unused (for example page cache) PV guest memory. more information:Âhttp://oss.oracle.com/projects/tmem/

Cheers!

Thiago

On 24 September 2010 14:46, George Shuklin <george.shuklin@xxxxxxxxx> wrote:

You can use swap of any size at VM level (every VM will have it own
swap).

Right now there is no way to do hypervisor swap or oversell memory.

Ð ÐÑÐ, 24/09/2010 Ð 13:14 -0400, Boris Epstein ÐÐÑÐÑ:

> Hello listmates,
>
> Let's say I've got a machine with 1 GB of RAM and I want to host 3 512
> MB virtual machines on it? Is that possible - i.e., is it possible to
> force Xen to use swap and pass it off as RAM to the VM's? I know it is
> slow and inefficient but for the purposes of testing - is that
> possible?
>
> Thanks.
>
> Boris.
>
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