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

To: Pasi Kärkkäinen <pasik@xxxxxx>, "Mr. Teo En Ming \(Zhang Enming\)" <space.time.universe@xxxxxxxxx>
Subject: Re: [Xen-devel] Xen guest performance as a streaming server
From: Fasiha Ashraf <feehapk@xxxxxxxxxxx>
Date: Mon, 2 Nov 2009 16:26:42 +0530 (IST)
Cc: xen <xen-devel@xxxxxxxxxxxxxxxxxxx>, space.time.universe@xxxxxxxxx
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Have you tested its network performance?

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 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.

Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics) BEng(Hons)(Mechanical Engineering)
Alma Maters:
(1) Singapore Polytechnic
(2) National University of Singapore
My Primary Blog: http://teo-en-ming-aka-zhang-enming.blogspot.com
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Email: space.time.universe@xxxxxxxxx
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Mobile Phone (SingTel): +65-9648-9798
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Country: Singapore

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 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 ( ?
There was a network performance related bugfix committed a couple of days ago..

-- Pasi

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