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xen-users
RE: [Xen-users] Resource allocation for two VMs
> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of
> Richard Ginzburg
> Sent: 10 May 2007 13:10
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] Resource allocation for two VMs
>
> Hello!
>
> I'm setting up two Xen virtual machines on my server (spec
> below). Whats the maximum
> amount of ram and disk I should allocate for the VMs for good
> performance? The server will not run anything else..
This is like asking how big a van/truck/lorry I need to move the
contents of my house, without giving any indication of how large my
house is, or whether it is choked with furniture or only sparsely
furnished.
The real answer is "the same amount of memory you would use in a
'physical' machine". So if you have a medium-sized database server, you
may need 1-2GB. A firewall will probably do fine with 128MB.
Diskspace is the same story - figure out what disk-size you'd use for a
"real" server, and then allocate that much space from your disk -
firewall would be a gigabyte or two (enough to install the OS and not
much more), database server would be the size of the database + OS
install + extra.
--
Mats
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