[PVE-User] Excessive Memory usage Windows 2008 and Proxmox 2.0

Alessandro Briosi ab1 at metalitnord.com
Fri May 18 13:06:52 CEST 2012

Il 18/05/2012 10:36, claudioml at mediaservice.net ha scritto:
> Hello all,
> I have a Windows 2008 with SQL server on it, virtualized on Proxmox VE
> 2.0. The strange thing is it uses all the free ram i assign on that
> virtual machine. In example, now i have assigned 15 Gb of Ram, and the
> system uses 14,78 Gb of Ram. If i assign 10 Gb of Ram, the system uses
> it all, or almost all.
> Anyone can explain me why? There is something to do about this, to limit
> the use of free ram of that virtual machine?
> Claudio Prono.

First: if you assign some resources to the guest, why should it not use 
all  of them? And it's the guest OS which is doing this not proxmox or kvm.

Anyway the problem I think it's sql server which as standard install it 
uses all possible ram when started AFAIR. You can limit the amount of 
memory it uses in the configuration.

To be sure check what's using all the memory inside the guest.

My 2c.

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