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Re: [libvirt] Effect of cluster size on read write performance



On Wed, Feb 22, 2012 at 12:36:00PM +0530, Pankaj Rawat wrote:
> Hi all 
> 
>  
> 
> The cluster -size increase write performance when the qcow2 image is not
> expanded , surely with increase in cluster_size the disk space used
> increases but that is not my concern.
> 
>  
> 
> Can anyone tell what is the effect of cluster size on read and write
> performance on qcow2 image after expantion?

Can you send this query to qemu-devel instead - they'll likely be able
to give you a more accurate answer than folks here, since they are more
familiar with these aspects of Qcow2

Regards,
Daniel
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