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[Xen-devel] HD throughput


I've made some dd throughput measurements of my xen installation. My reference 
throughput is a dd on a partition very close to where my xen 
images/partitions are. I've found that the throughput of my image-backed xen 
instance is at around 93% of my reference, while the throughput of my 
partition-backed xen instance is at around 50%. 

Is there an explanation for this? I had expected it to be vice versa just like 
the xen manual itself.

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