On Fri, Dec 14, 2018 at 01:26:59PM +0100, Kevin Wolf wrote:
> Am 14.12.2018 um 11:59 hat De Backer, Fred (Nokia - BE/Antwerp) geschrieben:
> > >>> Indeed, performance traces are important for issues like this.
> > >>See strace of both FC27 and FC29 attached
> >
> > >Looks like you traced only the
On Fri, Dec 14, 2018 at 12:52:34PM +, De Backer, Fred (Nokia - BE/Antwerp)
wrote:
> >Of course, we should also think about the other problem you mentioned,
> >related to copying a smaller image to a larger block device. Does this
> >require zeroing the parts after the image or should we
>Of course, we should also think about the other problem you mentioned, related
>to copying a smaller image to a larger block device. Does this require zeroing
>the parts after the image or should we leave them alone?
>
>I'd tend to say that since you're passing the whole block device as a
Am 14.12.2018 um 11:59 hat De Backer, Fred (Nokia - BE/Antwerp) geschrieben:
> >>> Indeed, performance traces are important for issues like this.
> >>See strace of both FC27 and FC29 attached
>
> >Looks like you traced only the main thread. All the I/O is done in other
> >threads.
> >These flags
>>> Indeed, performance traces are important for issues like this.
>>See strace of both FC27 and FC29 attached
>Looks like you traced only the main thread. All the I/O is done in other
>threads.
>These flags would be useful:
>
> strace -o log -f -T -tt
New straces attached with mentioned
On Thu, Dec 13, 2018 at 11:14 PM De Backer, Fred (Nokia - BE/Antwerp) <
fred.de_bac...@nokia.com> wrote:
> > Indeed, performance traces are important for issues like this.
> See strace of both FC27 and FC29 attached
>
Looks like you traced only the main thread. All the I/O is done in other
On 12/13/18 8:49 AM, Kevin Wolf wrote:
We observe that in Fedora 29 the qemu-img, before imaging the disk, it fully
zeroes it. Taking into account the disk size, the whole process now takes 35
minutes instead of 50 seconds. This causes the ironic-python-agent operation to
time-out. The
Am 13.12.2018 um 15:17 hat Eric Blake geschrieben:
> On 12/13/18 7:12 AM, De Backer, Fred (Nokia - BE/Antwerp) wrote:
> > Hi,
> >
> > We're using Openstack Ironic to deploy baremetal servers. During the
> > deployment process an agent (ironic-python-agent) running on Fedora linux
> > uses
