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[Xen-users] Xen Disk I/O performance vs native performance
| To: | xen-users@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | [Xen-users] Xen Disk I/O performance vs native performance |
| From: | Sami Dalouche <skoobi@xxxxxxx> |
| Date: | Thu, 24 Jan 2008 23:36:56 +0100 |
| Cc: | Christophe Clapp <christophe.clapp@xxxxxxxxx>, Florent Valdelièvre <Florent.Valdelievre@xxxxxxxxxx> |
| Delivery-date: | Thu, 24 Jan 2008 14:37:31 -0800 |
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Hi, Can you guys tell me how much slower your Disk I/O performance is using Xen, compared to native performance ? On my RAID 5 machine, using Ubuntu feisty's linux-ubuntu-modules-2.6.22-14-xen kernel, xen 3.1, LVM disks, read and writes to the disk are something between 2 and 3 times slower. Is that considered normal, or especially bad ? If it's worse than the average, what kind of information do you want me to give you to diagnose the problem ? Thanks for your help, Sami Dalouche _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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