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Re: [Xen-users] Xen hard-disk performance regression?
| To: | Fabiano Francesconi <fabiano.francesconi@xxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-users] Xen hard-disk performance regression? |
| From: | Andrew Lyon <andrew.lyon@xxxxxxxxx> |
| Date: | Sun, 11 Apr 2010 14:55:24 +0100 |
| Cc: | xen-users@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Sun, 11 Apr 2010 06:56:38 -0700 |
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On Sun, Apr 11, 2010 at 11:30 AM, Fabiano Francesconi
<fabiano.francesconi@xxxxxxxxx> wrote:
> Hello there,
> I'm noticing a performance regression for what's matter the hard-disk I
> pass to the domU (aquaria).
Have you checked the performance of the disk in dom0?
>
> The slow-down is very noticeable even when moving small videos file
> (~350mb).
>
> In the configuration file of the domU, I pass the whole disk
> ('phy:/dev/sdb,xvdb,w') to the guest OS.
>
> The distribution under both systems is Gentoo/Linux, x86 arch.
>
> The hypervisor is always the same, in both scenarios (Linux xevelon
> 2.6.32-xen-r1 #1 SMP Sat Apr 10 13:37:02 CEST 2010 i686 Intel(R)
> Atom(TM) CPU 330 @ 1.60GHz GenuineIntel GNU/Linux).
>
> The machine is an Atom, so it's not capable of any VT technology but so
> far it's a great machine and XEN is working just fine on it.
>
> I attach you few logs I've gathered.
>
> Thank you
>
> --
> Fabiano Francesconi [GPG key: 0x81E53461]
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>
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