[Xen-users] xen overhead - performance

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Subject:	[Xen-users] xen overhead - performance
From:	"Marco Strullato" <marco.strullato@xxxxxxxxx>
Date:	Mon, 6 Aug 2007 17:53:49 +0200
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Hi all!
I have a question: what is the overhead of xen?

I mean, I'm going to install xen on servers with VT compatibile cpus
(xeon) , raid5 disks and much ram. I will use logical volume to manage
storage.

what is the loss of cpu / disks /memory due to xen?

For example now, without xen, servers are not much used but some days
of the month I have to execute perfomance tests ( resourses used
almost at 100%)
After installing xen, I will have to do the same: I will stop every
domains except for Dom0 and Dom1. So what loss of performance should I
expect?


Thanks

Marco Strullato

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[Xen-users] xen overhead - performance