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[Xen-users] Re: domU has better I/O performance than dom0?

  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Troels Arvin <troels@xxxxxxxx>
  • Date: Wed, 28 Nov 2007 12:39:20 +0000 (UTC)
  • Delivery-date: Wed, 28 Nov 2007 04:40:29 -0800
  • List-id: Xen user discussion <xen-users.lists.xensource.com>

On Wed, 28 Nov 2007 14:27:54 +0200, Johann Spies wrote:
> The commandline was
> /usr/sbin/bonnie -d . -s 0.130 -n 8096 -r 8096

You are measuring file creation rate, and not "raw I/O throughput", 
right? In that sense, your tests are different from what I measured. 
Still, your results are certainly strange. I wonder if they would be 
equally strange if you ran them on different non-virtualized servers.

Troels Arvin <troels@xxxxxxxx>

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