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Re: [Xen-users] How Many domUs on a Host
- To: Mohammed King <mohammed.king@xxxxxxxxx>
- From: Grant McWilliams <grantmasterflash@xxxxxxxxx>
- Date: Wed, 23 Dec 2009 08:57:51 -0800
- Cc: xen-users@xxxxxxxxxxxxxxxxxxx
- Delivery-date: Wed, 23 Dec 2009 09:00:01 -0800
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On Tue, Dec 22, 2009 at 11:45 PM, Mohammed King <mohammed.king@xxxxxxxxx> wrote:
Hi guys,
Looking for some guide lines to find out how many domUs I can host on a server. I have a Dual Quad Core (8 cores) server with 32GB of RAM. Currently I have allocated 512MB of RAM to dom0 and distributed the rest to 89 domUs with 1 VPU each and LVM as my backend. I was able to get all 89 running with no problems. I ram some test with stress and bonnie++ in a group of domUs and dom0 and other guests does not seam to be effected.
However, I could be evaluating this incorrectly. Are there any tools or guidelines to confirm these results or do better performance analysis? My main concern is I/O and CPU usage.
Thank youÂ
--
Mohammed King
Systems Administrator
----------------------------
No condition is permanent
It depends on what the DomUs are doing. I run 42 interactive gui sessions on a very similar machine and it's pretty well tapped.
Grant McWilliams
Some people, when confronted with a problem, think "I know, I'll use Windows."
Now they have two problems.
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