[QGIS-Developer] Make QGIS-Server more modular and specialized?

[Andreas Neumann]

Hi Alessandro and Matthias,

Oh - I did not know about https://github.com/qgis/QGIS/pull/37682

How do I use this if I compile QGIS Server from source? How can I 
disable/enable the components?

And yes - a "bad list" or "good list" would also be interesting to have.

Yes - probably as you say - not a speed gain to expect from it - and 
probably size of qgis_mapserv.fcgi and memory consumption wouldn't 
shrink much either?

About GetPrint: yes, we could reroute requests with a reverse proxy to 
different instances, depending on the URL containing GetPrint commands 
or not.

Thanks to both of you for your replies,

Andreas

Am 29.09.20 um 19:17 schrieb Alessandro Pasotti:
> On Tue, Sep 29, 2020 at 6:48 PM Andreas Neumann <a.neumann at carto.net> wrote:
>> Dear QGIS (Server) devs,
>>
>> I wonder if it would be possible to make QGIS server more "modular" in a future version? I mean that at compile time you could decide which services should be enabled and which not? Example: if you are only interested in WMS, could you switch off all the other services?
> Hi Andreas,
>
> It is already possible, at the service level, we now have separate
> packages for the different services so you can actually install only
> what you want.
>
> See: https://github.com/qgis/QGIS/pull/37682
>
> But I doubt that you will gain any speed: the part of the code that
> decides what service is invoked is really fast compared to the rest of
> the processing.
>
> Another simple thing I was thinking about is to have a service
> "badlist" or a "goodlist" where we list in an environment variable the
> services that we want to be loaded (or not loaded)
>
> Cheers
>
>
>> Another usage scenario: a larger installation of QGIS server might want to separate server instances for WMS, WFS or other services and assign different resources to it.
>>
>> Also, would it be possible to make QGIS Server a bit leaner/smaller/faster that way - or is the stuff the makes QGIS Server "fat" mainly the qt dependencies?
>>
>> Thanks for the discussion,
>>
>> Andreas
>>
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