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xen-users
Re: [Xen-users] Xen typical Dom0 memory allocation amount
Thomas wrote:
Hi list,
This is my first message. I am about to jump in the Xen bandwagon, and
I have a little question: I was not able to find the typical amount of
memory to allocate to Dom0. How much should it be as it will be
running Debian Etch?
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You need to ask yourself some questions for that. What is the amount of
memory your server has installed? How many VMs will you run? Will you do
lots of I/O on the VMs or the dom0? Almost all machine we have here are
running with 16GB of memory. We run like 8-12 VMs on there. And
depending on the amount of I/O we need I give the dom0 from 1 to 1.5 or
2 GB of memory. Because it will be your dom0 who talks directly to the
network and your storage and you want it to be able to do some caching
for you to speed things up. I would certainly not go below 512MB of memory.
Cheers,
Jeroen
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