Re: [Xen-devel] Xen guest performance as a streaming server

[Fasiha Ashraf <feehapk@xxxxxxxxxxx>]

Have you tested its network performance?

Regards,
Fasiha Ashraf

--- On Mon, 2/11/09, Mr. Teo En Ming (Zhang Enming) <space.time.universe@xxxxxxxxx> wrote:

From: Mr. Teo En Ming (Zhang Enming) <space.time.universe@xxxxxxxxx>
Subject: Re: [Xen-devel] Xen guest performance as a streaming server
To: "Pasi Kärkkäinen" <pasik@xxxxxx>
Cc: "Fasiha Ashraf" <feehapk@xxxxxxxxxxx>, "xen" <xen-devel@xxxxxxxxxxxxxxxxxxx>, space.time.universe@xxxxxxxxx
Date: Monday, 2 November, 2009, 3:46 PM

Yes, get the latest pv-ops dom0 kernel 2.6.31.5. I have just installed it.

I think FC8 Xen is not based on pv-ops but on conventional Xen linux 2.6.18 forward ported.

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On Mon, Nov 2, 2009 at 6:41 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:

On Mon, Nov 02, 2009 at 02:36:27PM +0530, Fasiha Ashraf wrote:
>    Hi,
>    I am using xen3.4.1 with pv kernel 2.6.31.4 and  testing my xen
>    guest performance as a streaming media server and the other as web server.
>    the trends are same for both of them.
>    (1)When i tried to access media files from an internel guest, streaming
>    looks very poor.
>    (2)Then incase of accessing them from an externel guest its again poor but
>    just a little bit better than before.
>    (3)Incase of accessing them from host of the same machine it results good.
>    But i have not such issues with my previouse set up on FC8. Why the guests
>    acts like this?
>

Are you running the latest pv_ops dom0 kernel (2.6.31.5) ?
There was a network performance related bugfix committed a couple of days ago..

-- Pasi


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