[QGIS-Developer] Reducing the size of our download packages

Tue Mar 24 05:38:05 PDT 2026

Haaa laughing of myself :)

Sorry for the noise.

Bien cordialement,
Régis Haubourg

On 24/03/2026 12:02, Nyall Dawson wrote:
>
>
> On Tue, 24 Mar 2026, 8:02 pm Régis Haubourg via QGIS-Developer, 
> <qgis-developer at lists.osgeo.org> wrote:
>
>     Maybe we could add a mechanism where proj grid files can be
>     imported to the user profile, so any user could download grids.
>
>
> Well, we already have https://github.com/qgis/QGIS/pull/31622
>
> Is that what you mean?
>
> Nyall
>
>     Some caveats to avoid with multi profile management. I'd be in
>     favor of storing proj grids once per user $APPDATA profile, not in
>     each QGIS profile
>
>     Bien cordialement,
>     Régis Haubourg
>
>     On 24/03/2026 10:29, Matthias Kuhn via QGIS-Developer wrote:
>>     Hi all,
>>
>>     Thanks for raising this discussion, Tim.
>>     There recently was a discussion about that on a github issue.
>>     The new macOS packages didn't ship grid packages out of the box
>>     in the beginning and this was a blocker for some users so I ended
>>     up bundling the data files again with the macOS packages. The
>>     full discussion can be seen here
>>     https://github.com/qgis/QGIS/issues/64486
>>
>>     Key takeaways for me: If we want to split this apart, we need to
>>     make it very easy for users to install missing bits, the current
>>     process would need some improvements. If this is shipped as a
>>     separate installer package, we need to make sure it works across
>>     all platforms.
>>
>>     Kind regards
>>     Matthias
>>
>>     On Tue, Mar 24, 2026 at 9:33 AM Alexander Bruy via QGIS-Developer
>>     <qgis-developer at lists.osgeo.org> wrote:
>>
>>         If I'm not wrong, our standalone installer is based on the
>>         OSGeo4W and installs the latter. So users can easily
>>         use the OSGeo4W installer to download any additional
>>         dependencies they want/need.
>>
>>         Another option would be to add an option to the
>>         standalone installer to download grids, similarly to what we had
>>         in the old NSIS installer for Alaska dataset.
>>
>>         пн, 23 бер. 2026 р. о 09:20 Tim Sutton via QGIS-Developer
>>         <qgis-developer at lists.osgeo.org> пише:
>>
>>             Hi all
>>
>>             Here in the infrastructure management club for QGIS we
>>             have been embarking on a plan to slowly divest ourselves
>>             of 'big tech'. At the end of last year we switched off
>>             cloudflare CDN and implemented our own caching servers.
>>             At that time we were doing around 130TB of throughput
>>             (including what was being soaked up by Cloudflare). As of
>>             last month we did 430TB of throughput without the help of
>>             Cloudflare.
>>
>>             We are trying to optimise costs - that bandwidth alone
>>             cost us in the neighbourhood of 500€ per month. To reduce
>>             costs we can approach the problem in two way:
>>
>>             1. optimise the infrastructure - we (QGIS Devops team)
>>             are busy looking into ways to do that...
>>             2. reduce the download size...
>>
>>             We are wondering if the datum shift files could be split
>>             out from the main installer and fetched as an optional
>>             extra? Or maybe on demand as you need them? We could set
>>             up some infrastructure for hosting them, but we would
>>             need some help on the application side to implement logic
>>             to go and grab shift files that are not locally cached.
>>             Is anyone able to help with this?
>>
>>             Regards
>>
>>             Tim
>>
>>
>>
>>
>>             -- 
>>
>>             Tim Sutton
>>             *Kartoza Cofounder
>>             *Tim is a member of the QGIS Project Steering Committee*
>>             *
>>             *
>>             *
>>             *T *: +27(0) 87 809 2702 *E *:**tim at kartoza.com *W* :
>>             kartoza.com <http://kartoza.com/>
>>
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>>
>>         -- 
>>         Alexander Bruy
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