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Re: [Xen-users] Slow IO Performance

  • To: Anand <xen.mails@xxxxxxxxx>
  • From: Molle Bestefich <molle.bestefich@xxxxxxxxx>
  • Date: Tue, 17 Jan 2006 16:10:36 +0100
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 17 Jan 2006 15:18:17 +0000
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Anand wrote:
>  Timing cached reads:   932 MB in  2.00 seconds = 466.00 MB/sec
>  Timing buffered disk reads:   68 MB in  3.07 seconds =  22.15 MB/sec

Your system seems a bit sluggish too, doesn't it?
I'm getting 55-60 MB/sec for buffered reads and 1600 for cached.

AFAIK, standard modern ATA disks should give you around 50 MB/sec read speed...

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