On Tue, Feb 15, 2022 at 12:14:11PM +0100, Laszlo Ersek wrote:
> On 02/15/22 11:43, Richard W.M. Jones wrote:
> > On Mon, Feb 14, 2022 at 04:08:21PM +, Richard W.M. Jones wrote:
> >> On Mon, Feb 14, 2022 at 04:52:17PM +0100, Laszlo Ersek wrote:
> >>> On 02/14/22 14:01, Richard W.M. Jones wrote:
On 02/15/22 11:43, Richard W.M. Jones wrote:
> On Mon, Feb 14, 2022 at 04:08:21PM +, Richard W.M. Jones wrote:
>> On Mon, Feb 14, 2022 at 04:52:17PM +0100, Laszlo Ersek wrote:
>>> On 02/14/22 14:01, Richard W.M. Jones wrote:
But nbdcopy needs to be reworked to make the input and output
On Mon, Feb 14, 2022 at 04:08:21PM +, Richard W.M. Jones wrote:
> On Mon, Feb 14, 2022 at 04:52:17PM +0100, Laszlo Ersek wrote:
> > On 02/14/22 14:01, Richard W.M. Jones wrote:
> > > But nbdcopy needs to be reworked to make the input and output requests
> > > separate, so that nbdcopy will
On Mon, Feb 14, 2022 at 04:08:21PM +, Richard W.M. Jones wrote:
> There is a limit on the number of parallel requests in flight
> (nbdcopy --requests, default 64). This limits the implicit buffer to
> max_requests * request_size. That's 16MB in the default
> configuration. Quite small
On Mon, Feb 14, 2022 at 04:52:17PM +0100, Laszlo Ersek wrote:
> On 02/14/22 14:01, Richard W.M. Jones wrote:
> > But nbdcopy needs to be reworked to make the input and output requests
> > separate, so that nbdcopy will coalesce and split blocks as it copies.
> > This is difficult.
> >
> > Another
On 02/14/22 14:01, Richard W.M. Jones wrote:
> On Mon, Feb 14, 2022 at 12:53:01PM +0100, Laszlo Ersek wrote:
>> On 02/14/22 10:56, Richard W.M. Jones wrote:
>>> This change slowed things down (slightly) for me, although the change
>>> is within the margin of error so it probably made no
On Mon, Feb 14, 2022 at 03:59:34PM +0200, Nir Soffer wrote:
> On Mon, Feb 14, 2022 at 3:01 PM Richard W.M. Jones wrote:
> >
> > On Mon, Feb 14, 2022 at 12:53:01PM +0100, Laszlo Ersek wrote:
> > > On 02/14/22 10:56, Richard W.M. Jones wrote:
> > > > This change slowed things down (slightly) for
On Mon, Feb 14, 2022 at 3:01 PM Richard W.M. Jones wrote:
>
> On Mon, Feb 14, 2022 at 12:53:01PM +0100, Laszlo Ersek wrote:
> > On 02/14/22 10:56, Richard W.M. Jones wrote:
> > > This change slowed things down (slightly) for me, although the change
> > > is within the margin of error so it
On Mon, Feb 14, 2022 at 12:53:01PM +0100, Laszlo Ersek wrote:
> On 02/14/22 10:56, Richard W.M. Jones wrote:
> > This change slowed things down (slightly) for me, although the change
> > is within the margin of error so it probably made no difference.
> >
> > Before:
> >
> > $ time ./run
On Mon, Feb 14, 2022 at 01:11:52PM +0200, Nir Soffer wrote:
> On Mon, Feb 14, 2022 at 11:56 AM Richard W.M. Jones wrote:
> >
> > This change slowed things down (slightly) for me, although the change
> > is within the margin of error so it probably made no difference.
> >
> > Before:
> ...
> > [
On 02/14/22 10:56, Richard W.M. Jones wrote:
> This change slowed things down (slightly) for me, although the change
> is within the margin of error so it probably made no difference.
>
> Before:
>
> $ time ./run virt-v2v -i disk /var/tmp/fedora-35.qcow2 -o rhv-upload -oc
>
On 02/13/22 20:56, Nir Soffer wrote:
> Output modules can specify now request_size to override the default
> request size in nbdcopy.
>
> The rhv-upload plugin is translating every NBD command to HTTP request,
> translated back to NBD command on imageio server. The HTTP client and
> server, and
On Mon, Feb 14, 2022 at 11:56 AM Richard W.M. Jones wrote:
>
> This change slowed things down (slightly) for me, although the change
> is within the margin of error so it probably made no difference.
>
> Before:
...
> [ 79.3] Copying disk 1/1
> █ 100% []
>
This change slowed things down (slightly) for me, although the change
is within the margin of error so it probably made no difference.
Before:
$ time ./run virt-v2v -i disk /var/tmp/fedora-35.qcow2 -o rhv-upload -oc
https://ovirt4410/ovirt-engine/api -op /tmp/ovirt-passwd -oo rhv-direct -os
Output modules can specify now request_size to override the default
request size in nbdcopy.
The rhv-upload plugin is translating every NBD command to HTTP request,
translated back to NBD command on imageio server. The HTTP client and
server, and the NBD client on the imageio server side are
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