From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luca Tongiani Subject: Question about VirtIO on Xen - Disk performance issues Date: Tue, 15 Dec 2015 14:09:39 +0100 Message-ID: <56701113.1080107@sinte.net> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------000108000401000909050506" Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1a8qZy-0007ig-Pi for xen-devel@lists.xenproject.org; Tue, 15 Dec 2015 14:27:50 +0000 Received: from [10.2.2.245] (unknown [2.235.241.180]) by smtp.sinte.net (Postfix) with ESMTPA id 5CB807EA for ; Tue, 15 Dec 2015 14:10:15 +0100 (CET) List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org This is a multi-part message in MIME format. --------------000108000401000909050506 Content-Type: multipart/alternative; boundary="------------090308070904020606090109" --------------090308070904020606090109 Content-Type: text/plain; charset=iso-8859-15; format=flowed Content-Transfer-Encoding: 7bit Hi to all, I'm writing you this mail for asking some advice about a great problem i'm havin in running a Windows VM (HVM) onto a Xen (Gentoo based) Hypevisor. I need to achieve maximum performance from this VM because of intense SQL tasks running in it. I've seen good improvement in IO on disk using VirtIO on a Windows VM onto a QEMU (QNAP) hypervisor, and i'm tryin to use this feature also on my Xen HV. Is VirtIO disk a good way to improve performance? Thx in advance and hope to keep in touch -- *Luca Tongiani* *Sinte* srl Soluzioni Informatiche e Telematiche via Monte Grappa 4/B 20900 Monza (MB) *Cel* (+39) 339 745 49 21 *Tel* (+39) 039 200 59 60 *Fax* (+39) 039 200 69 42 *Web* www.sinte.net --------------090308070904020606090109 Content-Type: text/html; charset=iso-8859-15 Content-Transfer-Encoding: 7bit Hi to all,
I'm writing you this mail for asking some advice about a great problem i'm havin in running a Windows VM (HVM) onto a Xen (Gentoo based) Hypevisor.

I need to achieve maximum performance from this VM because of intense SQL tasks running in it.

I've seen good improvement in IO on disk using VirtIO on a Windows VM onto a QEMU (QNAP) hypervisor, and i'm tryin to use this feature also on my Xen HV.
Is VirtIO disk a good way to improve performance?

Thx in advance and hope to keep in touch

Luca Tongiani

Sinte srl
Soluzioni Informatiche e Telematiche
via Monte Grappa 4/B
20900 Monza (MB)

Cel (+39) 339 745 49 21
Tel (+39) 039 200 59 60
Fax (+39) 039 200 69 42
Web www.sinte.net

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