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/
Home Products Support Community News


Re: [Xen-users] one busy vm affects other vm

To: George Shuklin <george.shuklin@xxxxxxxxx>
Subject: Re: [Xen-users] one busy vm affects other vm
From: Aclhk Aclhk <aclhkaclhk@xxxxxxxxx>
Date: Tue, 24 Aug 2010 22:09:37 -0700 (PDT)
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Delivery-date: Tue, 24 Aug 2010 22:10:56 -0700
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ymail.com; s=s1024; t=1282712978; bh=psHFkh3rH/Csv++D2NmGZ92+9hSEheqVfhIDjL4zhAw=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type; b=s40qJAaQNj0io8SgATk8enolybZvPTzV3VBLeEXf5sgcPVDnRFT5Wy4ZTXIb2YUwJ+SSKcEN1A067C6/7cHk9fOCKadfW5SkX2RJHPtdE4KQXFcWvc0XjwdOIexgca5KoPgyf6e5wYzdUywxOf2ld8zHHjB7dLsX1rNPghzro0E=
Domainkey-signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=ymail.com; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type; b=CtUtIXvN+WOcTBhgjgST8FxUctPVJxwuD9ng2mDcQcntdnU+SnoFuVOfMkQAnDx41uqBgoPYuZrINprzn0ksAvxOqn7OZqcg33fs0mzE/nVWd/yTnJjsuA3GMT8D9JP8i3G3OianPflHdRwXau/dF3f0oRXoA8g4H4WzGRxAYAo=;
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <1280942433.12792.1.camel@xxxxxxxxxxxxxxxx>
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>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
could we cap the host cpu utilisation so it would not affect VMs?

--- 2010年8月4日 星期三,George Shuklin <george.shuklin@xxxxxxxxx> 寫道﹕

寄件人: George Shuklin <george.shuklin@xxxxxxxxx>
主題: Re: [Xen-users] one busy vm affects other vm
收件人: "Aclhk Aclhk" <aclhkaclhk@xxxxxxxxx>
副本(CC): xen-users@xxxxxxxxxxxxxxxxxxx
日期: 2010年8月4日,星期三,下午5:20

Well I saw those problems when running cpuburn... After few iteration I
solve it (not sure) by using CPU cap 99%.

В Срд, 04/08/2010 в 04:25 -0700, Aclhk Aclhk пишет:
> the affected VMs are all linux (centos 5.4) hvm but windows (win2k)
> hvm not affected.
>         I am using Xen 3.1.0 in centos 5.4
>         I have one VM consuming 100% cpu  and all other VM (linux)
>         become very slow (no ssh and vnc access).
>         I could access host via ssh but not VM. host cpu is about 95%
>         idle using dstat.
>         Pls advise how to avoid this.
>         -----內含下列附件-----
>         _______________________________________________
>         Xen-users mailing list
>         Xen-users@xxxxxxxxxxxxxxxxxxx
>         http://lists.xensource.com/xen-users

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

Xen-users mailing list
<Prev in Thread] Current Thread [Next in Thread>