On Mon, Jul 15, 2013 at 01:55:18PM +0200, Florian Weimer wrote:
On 07/15/2013 01:47 PM, Daniel P. Berrange wrote:
>Updating to qcow2 to support xz (or some other algo) as a built-in
>compression choice would likely give better results.
Is the compressed image still seekable? If yes, that constrains the
window/block size and limits the gains from switching compressors.
Yes, qcow2 compression is applied to discrete clusters in the image,
whose size defaults to 65536 bytes (changable to a maximum of 2 MB
at image creation time)
Regards,
Daniel
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