Re:Re: [Xen-devel] if hvm better than pv?why dd in hvm vm no larger than 50M, while pv greater than 50

[yue <ooolinux@xxxxxxx>]

1.i find  pv disk'throughput is better than hvm. i want to know why?

2.pci passthrough  is said to improve performance, if it is default method of IO-process.

 3.do you familar with ocfs2's source code?

 

thanks

At 2011-04-25 21:36:04，"Konrad Rzeszutek Wilk" <konrad.wilk@xxxxxxxxxx> wrote:

>On Sat, Apr 23, 2011 at 03:47:23PM +0800, yue wrote:
>> 1.if passthrough pci  is default in hvm?  pv disk throughput better than hvm,using dd test
>> thanks
>
>Please write your question more clearly. I am having a hard time understanding what it
>is that you are asking.
>
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