WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/

Home

xen-devel

[Top] [All Lists]

Re: Re: [Xen-devel] if hvm better than pv?why dd in hvm vm no larger tha

from [Konrad Rzeszutek Wilk]

[Permanent Link][Original]

To:	yue <ooolinux@xxxxxxx>
Subject:	Re: Re: [Xen-devel] if hvm better than pv?why dd in hvm vm no larger than 50M, while pv greater than 50
From:	Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Date:	Tue, 26 Apr 2011 09:54:21 -0400
Cc:	xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date:	Tue, 26 Apr 2011 06:55:18 -0700
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to:	<f6f353.7e8a.12f90feda23.Coremail.ooolinux@xxxxxxx>
List-help:	<mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id:	Xen developer discussion <xen-devel.lists.xensource.com>
List-post:	<mailto:xen-devel@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References:	<20110425133604.GB9192@xxxxxxxxxxxx> <3bc61657.3db6.12f8153cdc5.Coremail.ooolinux@xxxxxxx> <f6f353.7e8a.12f90feda23.Coremail.ooolinux@xxxxxxx>
Sender:	xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent:	Mutt/1.5.20 (2009-06-14)

On Tue, Apr 26, 2011 at 04:48:31PM +0800, yue wrote:
> 1.i find  pv disk'throughput is better than hvm. i want to know why?

Pick up "The definitive guide to the Xen hypervisor" book.
> 2.pci passthrough  is said to improve performance, if it is default method of 
> IO-process.

Sure. But it also makes migration difficult.
>  3.do you familar with ocfs2's source code?

No.

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

[More with this subject...]

<Prev in Thread]	Current Thread	[Next in Thread>
[Xen-devel] if hvm better than pv?why dd in hvm vm no larger than 50M, while pv greater than 50, yue Re: [Xen-devel] if hvm better than pv?why dd in hvm vm no larger than 50M, while pv greater than 50, Konrad Rzeszutek Wilk Re:Re: [Xen-devel] if hvm better than pv?why dd in hvm vm no larger than 50M, while pv greater than 50, yue Re: Re: [Xen-devel] if hvm better than pv?why dd in hvm vm no larger than 50M, while pv greater than 50, Konrad Rzeszutek Wilk <=

Previous by Date:	[Xen-devel] Mixed results -- VGA Passthrough with Intel 82Q35 IGD, Jason Sonnek
Next by Date:	Re: [Xen-devel] Mixed results -- VGA Passthrough with Intel 82Q35 IGD, chris
Previous by Thread:	Re:Re: [Xen-devel] if hvm better than pv?why dd in hvm vm no larger than 50M, while pv greater than 50, yue
Next by Thread:	[Xen-devel] [linux test] 6906: regressions - FAIL, xen . org
Indexes:	[Date] [Thread] [Top] [All Lists]

This site is hosted by Citrix