On Thu, Mar 10, 2022 at 5:58 PM Eric Blake wrote:
>
> On Sun, Mar 06, 2022 at 10:27:30PM +0200, Nir Soffer wrote:
> > nbdcopy checks pread error now, so we will never leak uninitialized data
> > from the heap to the destination server. Testing show 3-8% speedup when
> > copying a real image.
> >
>
On Sun, Mar 06, 2022 at 10:27:30PM +0200, Nir Soffer wrote:
> nbdcopy checks pread error now, so we will never leak uninitialized data
> from the heap to the destination server. Testing show 3-8% speedup when
> copying a real image.
>
> +++ b/copy/nbd-ops.c
> @@ -52,20 +52,21 @@ static void
> op
On Sun, Mar 06, 2022 at 10:27:30PM +0200, Nir Soffer wrote:
> nbdcopy checks pread error now, so we will never leak uninitialized data
> from the heap to the destination server. Testing show 3-8% speedup when
> copying a real image.
>
> On laptop with 12 cores and 2 consumer NVMe drives:
>
> $ qe
nbdcopy checks pread error now, so we will never leak uninitialized data
from the heap to the destination server. Testing show 3-8% speedup when
copying a real image.
On laptop with 12 cores and 2 consumer NVMe drives:
$ qemu-nbd --read-only --persistent --shared 8 --cache none --aio native \
