On Mon, Oct 10, 2016 at 2:18 AM, Ryan Barry <rbarry(a)redhat.com> wrote:
Just a comment --
Cursory testing shows that makedeltarpm is not good at this -- it doesn't
know how to examine the contents of the OVA (or they're too different). The
delta RPM between 4.0 (~1GB) and 4.1-pre (~1.45GB) is 1.41GB. With or
without -r
Yep - deltarpm uses bsdiff and they struggle to diff so large binary files.
If we had a different deliverable - like a tarball - then bsdiff could
make sense.
But a qcow is not an ideal format for doing a binary diff.
Btw a squashfs is also not suitable for bdiff.
- fabian
It may take a little more tweaking, but the options for
"makedeltarpm" are
pretty sparse. We can try talking to the maintainer this week also...
On Sun, Oct 9, 2016 at 4:00 PM, Ryan Barry <rbarry(a)redhat.com> wrote:
>
> We may also want to do this with Node/RHV-H eventually (since the updates
> there are already 500MB).
>
> I don't think we currently ship deltarpm on RHV-H, but it's a very small
> addition. The question is whether makedeltarpm can actually do anything
> meaningful with something which is already a sparsified image wrapped in an
> RPM, but I'll test...
>
> On Sun, Oct 9, 2016 at 6:35 AM, Doron Fediuck <dfediuck(a)redhat.com> wrote:
>>
>> FYI
>>
>> ---------- Forwarded message ----------
>> From: Yaniv Kaul <ykaul(a)redhat.com>
>> Date: Thu, Oct 6, 2016 at 11:13 AM
>> Subject: [ovirt-devel] ovirt-appliance (today) is 1.5G...
>> To: devel <devel(a)ovirt.org>
>>
>>
>> I'm sure it was less just days ago, but now[1] it is again quite big.
>> 4.0's is 'only' 1G in size[2].
>> Which anyway raises the question - should we provide delta RPMs for it?
>>
>> Thanks,
>> Y.
>>
>> [1]
>>
http://resources.ovirt.org/pub/ovirt-master-snapshot/rpm/el7/noarch/ovirt...
>> [2]
>>
http://resources.ovirt.org/pub/ovirt-4.0-snapshot/rpm/el7/noarch/ovirt-en...
>>
>> _______________________________________________
>> Devel mailing list
>> Devel(a)ovirt.org
>>
http://lists.ovirt.org/mailman/listinfo/devel
>>
>
--
Fabian Deutsch <fdeutsch(a)redhat.com>
Associate Manager, RHV Hypervisor
Red Hat