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

xen-users

[Top] [All Lists]

RE: [Xen-users] xen4 on debian squeeze, slow mysql in domU

To: <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] xen4 on debian squeeze, slow mysql in domU
From: Mike Viau <viaum@xxxxxxxxxxxxxxx>
Date: 2010年10月23日 11:58:44 -0400
Delivery-date: 2010年10月23日 09:00:50 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
Importance: Normal
In-reply-to: <64D0546C5EBBD147B75DE133D798665F06A1253B@xxxxxxxxxxxxxxxxx>
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: <201010231511.30465@xxxxxxxxxx>, <BAY148-w63EBBEC80F7753D2F99F34EF5F0@xxxxxxx> <201010231729.16032@xxxxxxxxxx>, <64D0546C5EBBD147B75DE133D798665F06A1253B@xxxxxxxxxxxxxxxxx>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> On 2010年10月23日 11:47:42 -0400 <jeff.sturm@xxxxxxxxxx> wrote:
>
> > vcpus = '8'
>
> How many physical cores do you have? Don't set vcpus larger than the number of cores available in your dom0.
>
> -Jeff
>

Indeed you are right Jeff, the OP mentioned he was using an Intel Xeon E5520 [1] CPU.

# of Cores 4
# of Threads 8

Which leads me to believe the system is using hyperthreading on each of the 4 cores.

Unfortunatley I do not have hardware (Xeon CPU) to test for similar results.


[1] - http://ark.intel.com/Product.aspx?id=40200


-M
_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users 
<Prev in Thread] Current Thread [Next in Thread>
Previous by Date: RE: [Xen-users] xen4 on debian squeeze, slow mysql in domU , s3t
Next by Date: RE: [Xen-users] xen4 on debian squeeze, slow mysql in domU , s3t
Previous by Thread: RE: [Xen-users] xen4 on debian squeeze, slow mysql in domU , s3t
Next by Thread: RE: [Xen-users] xen4 on debian squeeze, slow mysql in domU , s3t
Indexes: [Date] [Thread] [Top] [All Lists]

Copyright ©, Citrix Systems Inc. All rights reserved. Legal and Privacy

AltStyle によって変換されたページ (->オリジナル) /