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RE: [Xen-devel] [PATCH] Fix the very-slow-IDE-IO-speed issue of Qemu0.90


  • To: "Ian Pratt" <Ian.Pratt@xxxxxxxxxxxx>, "xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Cui, Dexuan" <dexuan.cui@xxxxxxxxx>
  • Date: Tue, 29 May 2007 13:49:15 +0800
  • Delivery-date: Mon, 28 May 2007 22:47:51 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcehGX2iATPOwCb2S/eEWjt/qOrhsAAWxikQAA9+AgA=
  • Thread-topic: [Xen-devel] [PATCH] Fix the very-slow-IDE-IO-speed issue of Qemu0.90

I did some simple disk IO tests. Using c/s 15021 plus my fix, I'm sure the disk 
performance does back to roughly where we were.

-- Dexuan

-----Original Message-----
From: Ian Pratt [mailto:Ian.Pratt@xxxxxxxxxxxx] 
Sent: 2007年5月29日 13:26
To: Cui, Dexuan; xen-devel
Cc: ian.pratt@xxxxxxxxxxxx
Subject: RE: [Xen-devel] [PATCH] Fix the very-slow-IDE-IO-speed issue of 
Qemu0.90

> Have you got any comparative performance numbers comparing IDE
> performance before and after the 0.90 upgrade (with your fix)? Are we
> back to roughly where we were?

Ian   

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