Re: [Xen-users] High CPU Steal

To:	Rus Foster <twattycake@xxxxxxxxx>
Subject:	Re: [Xen-users] High CPU Steal
From:	Rudi Ahlers <Rudi@xxxxxxxxxxx>
Date:	Sat, 13 Nov 2010 11:40:29 +0200
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On Sat, Nov 13, 2010 at 11:28 AM, Rus Foster <twattycake@xxxxxxxxx> wrote:
> We are running a Dual Quad core Xeon 5620, 96GB RAM with approx
> 90VM's. Currently have a have a lot of issues where a lot of CPU is
> stuck in steal. We are running Xen 3.4.3 on Centos 5.5 (with stock
> 2.6.18-latest). Are there any tuning tips that we can do to get things
> under control or do we need a hardware upgrade?
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>

90 VM's are a LOT for one host. What type of RAM, HDD's, RAID (if
any?) do you have? Remember if RAM and high IO becomes a problem the
CPU will start overloading as well.


-- 
Kind Regards
Rudi Ahlers
SoftDux

Website: http://www.SoftDux.com
Technical Blog: http://Blog.SoftDux.com
Office: 087 805 9573
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Re: [Xen-users] High CPU Steal