On 14/01/15 20:56, Roman Kagan wrote:
On Tue, Dec 30, 2014 at 01:07:12PM +0300, Denis V. Lunev wrote:
Plain image expansion spends a lot of time to update image file size.
This seriously affects the performance. The following simple test
qemu_img create -f parallels -o cluster_size=64k ./1.hd
On Tue, Dec 30, 2014 at 01:07:12PM +0300, Denis V. Lunev wrote:
> Plain image expansion spends a lot of time to update image file size.
> This seriously affects the performance. The following simple test
> qemu_img create -f parallels -o cluster_size=64k ./1.hds 64G
> qemu_io -n -c "write -P 0x
Plain image expansion spends a lot of time to update image file size.
This seriously affects the performance. The following simple test
qemu_img create -f parallels -o cluster_size=64k ./1.hds 64G
qemu_io -n -c "write -P 0x11 0 1024M" ./1.hds
could be improved if the format driver will pre-allo