Re: [Xen-users] maximum domain memory

["Fajar A. Nugraha" <fajar@xxxxxxxxx>]

On Tue, Aug 3, 2010 at 10:01 AM, Igor Serebryany <igor47@xxxxxxxxxxx> wrote:
> Nevermind, sort of,
>
>        This is actually an 8GB box. The problem appears to be that whenever
>        a domain is created, the amount of memory it's using is deducted
>        from total memory and this amount is never restored, even after the
>        domain goes away:
>
> xen1:~# free -m

Hint: Do NOT use "free". Use "xm list".
If you want, you can also run "xm mem-set 0 ..." later to assign the
unused memory back to dom0.

Note that Xen is different from Vmware/virtualbox w.r.t. memory
management. In Xen, you're actually recommended to set dom0's memory
as small as it'll ever be from the start. See
http://wiki.xensource.com/xenwiki/XenBestPractices

--
Fajar

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