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Date: Tue, 04 Jul 2006 13:26:15 +0200
From: Fabrice Bellard <fabrice@bellard.org>
Subject: Re: [Qemu-devel] QCow v2
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To: qemu-devel@nongnu.org

Christian MICHON wrote:
> 1) size... win30.qcow is 7.5Mb (no compress) 3.5Mb (with zlib)
>  it should go down between 2.2Mb and 2.5Mb with lzma

Did you compare with 4 KB clusters ? If you compress the whole file it 
says nothing about the compression gain you will have with 4 KB blocks.

Fabrice.