From: Keir Fraser <keir@xensource.com>
To: "Sébastien RICCIO" <sr@swisscenter.com>, xen-devel@lists.xensource.com
Subject: Re: Xen + Win2k3 HVM - Slow network
Date: Tue, 28 Nov 2006 09:22:49 +0000 [thread overview]
Message-ID: <C191B069.4E63%keir@xensource.com> (raw)
In-Reply-To: <456BF552.4000607@swisscenter.com>
On 28/11/06 8:37 am, "Sébastien RICCIO" <sr@swisscenter.com> wrote:
> While doing some network throughput tests, I noticed that the para
> virtualised guests gets up to 11MB/s transfers rate but the Windows
> 2003 Server gets only 1.3MB/s on the same file (downloaded from LAN).
>
> Dom0 - CentOS 4.4 64bit
> DomUs - CentOS 4.4 64bit
> HVM guests - Win 2003 server 32bit (pcnet driver)
>
> Any clues what could be the problem ?
The HVM guest is emulating a rtl8139 network card rather than using a
high-performance paravirtualised frontend network driver.
-- Keir
next prev parent reply other threads:[~2006-11-28 9:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-28 8:37 Xen + Win2k3 HVM - Slow network Sébastien RICCIO
2006-11-28 9:22 ` Keir Fraser [this message]
2006-11-28 9:29 ` Sébastien RICCIO
2006-11-28 12:24 ` Pasi Kärkkäinen
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