[Fedora-xen] expected disk performance?

[Ben]

Are you using LVM-backed domUs?

High numbers like this give me hope that my problems are not inherent in Xen.

On Tue, 23 May 2006, Felipe Alfaro Solana wrote:

>> On two local guests on a rawhide box:
>>
>>  Device-backed guest (LVM on fast SATA disk):
>>   dom0 hdparm -t:       53.70 MB/sec
>>   domU hdparm -t:       53.61 MB/sec
>>
>>  File-backed guest:
>>   dom0 hdparm -t:       85.7138 MB/sec
>>   domU hdparm -t:       75.2901 MB/sec
>
> I guess "hdparm -t" is not very significative, but anyways:
>
> dom0: hdparm -t: 149.17 MB/sec
> domU: hdparm -t: 97..07 MB/sec
>
> However, real performance is somewhat lower, at about 70MB/s for dom0
> and about 33MB/s
>