Re: [Xen-users] GRUB boot parameters: dom0_mem

[Alexandre Kouznetsov <alk@xxxxxxxxxx>]

El 20/06/2012 11:33 p.m., Eric escribió:
> Is there a minimum amount of vRAM that can/should be allocated to Dom0
> (using the dom0_mem boot parameter) considering that I only want to host
> one or two VM's?
The minimum amount or RAM I have given to Dom0 (Debian Etch? really 
small footprint) in Xen 3.0 times was 256M. The system was quite usable. 
Then raised it to 384MB, it allowed me to consider "let's say the 
hypervisor itself and Dom0 are consuming .5Gb of RAM, the rest can be 
dedicated to VMs".
Today I give Dom0 768MB of RAM, but the people in internets usually 
suggests to give it at least 2GB.
For reference, a typical RAM consumption for a just booted PV guest with 
64-bit Debian Squeeze system, minimal installation (naked system with 
sshd) is around 100-120MB. Boots in less then 10 seconds.
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