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[Xen-users] Xen hard-disk performance regression?
| To: | xen-users@xxxxxxxxxxxxxxxxxxx |
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| Subject: | [Xen-users] Xen hard-disk performance regression? |
| From: | Fabiano Francesconi <fabiano.francesconi@xxxxxxxxx> |
| Date: | Sun, 11 Apr 2010 12:30:57 +0200 |
| Delivery-date: | Sun, 11 Apr 2010 03:33:11 -0700 |
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Hello there,
I'm noticing a performance regression for what's matter the hard-disk I
pass to the domU (aquaria).
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]
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