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/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-users

Re: [Xen-users] Perfomance decrease after upgrade

To: Fantu <fantonifabio@xxxxxxxxxx>
Subject: Re: [Xen-users] Perfomance decrease after upgrade
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Sat, 22 May 2010 14:29:56 +0300
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Delivery-date: Sat, 22 May 2010 04:31:24 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <28623291.post@xxxxxxxxxxxxxxx>
List-help: <mailto:xen-users-request@lists.xensource.com?subject=help>
List-id: Xen user discussion <xen-users.lists.xensource.com>
List-post: <mailto:xen-users@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=unsubscribe>
References: <28623291.post@xxxxxxxxxxxxxxx>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.5.18 (2008-05-17)
On Thu, May 20, 2010 at 08:59:04AM -0700, Fantu wrote:
> 
> Today i have upgrade one production server from:
> Hardy 64 bit kernel 2.6.24-xen of ubuntu, xen 3.3 from backports
> To:
> Lenny 64 bit kernel 2.6.32 pv_ops from backports, xen 3.4.3 from hg testing
> 
> 13 domU windows xp
> Before update:
> gplpv 0.9.12pre9 - disk tap:aio
> After update:
> gplpv 0.11.0.213 debug - disk file (i not found working solution for blktap
> problem :( )
> 
> Before update on start of system and all domU 20 min for all loading and
> high load of server but after ok
> After update on start of system and all domU after 40 min already very high
> load and not all domU full load
> 
> On update i have also change dom0 memory to 768 mb and disable dom0 memory
> balloning
> 
> If need more info i do
> Someone can give me some advice to improve please?
>

Try running the old dom0 kernel (2.6.24-xen) with the new hypervisor, does that 
help/fix it?

If it does, try the Novell forward-ported Xenlinux patches for 2.6.32 instead 
of pvops dom0 kernel.

And let us know how it goes!

-- Pasi


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

<Prev in Thread] Current Thread [Next in Thread>