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Re: [Qemu-devel] [Bug 1458239] Re: Use qed instead of qcow2 for "-snapsh
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [Qemu-devel] [Bug 1458239] Re: Use qed instead of qcow2 for "-snapshot" functionality |
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Date: |
Tue, 26 May 2015 11:18:05 +0100 |
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User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Sun, May 24, 2015 at 07:54:19AM -0000, Коренберг Марк wrote:
> Sorry, I did not know tha qed is just experimental format. I thought
> that qed is successor of qcow2. Can you add some links that qcow is not
> worse than qed ? I did not make any benchmark, just read some articles
Hi,
QED's write performance optimization has been added to qcow2 (-o
lazy_refcounts=on).
qcow2 has been optimized further in the meantime and is the recommended
image file format if raw lacks features that you need.
Stefan
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