Re: KVM performance vs. Xen

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Andrew Theurer wrote:

Really, I think linux-aio support can help here.
Yes, I think that would work for real block devices, but would that help for files? I am using real block devices right now, but it would be nice to also see a benefit for files in a file-system. Or maybe I am mis-understanding this, and linux-aio can be used on files?

For cache=off, with some file systems, yes. But not for cache=writethrough/writeback.

Regards,

Anthony Liguori
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