[QGIS-Developer] QGIS Server 3 status

[David Marteau]

Hi,

Do we have metrics on this ?  Does it mean  that QGIS_SERVER_PARALLEL_RENDERING=False is also slower than previous version ?


David M.



> Le 4 oct. 2017 à 14:15, Matthias Kuhn <matthias at opengis.ch> a écrit :
> 
> Hi,
> 
> I had some questions from people interested in performance.
> 
> I advised them to set the following
> 
> * QGIS_SERVER_PARALLEL_RENDERING=True
> * Trust project flag
> 
> Apparently parallelized rendering works (system stats) but it was
> reported to be slower than older versions.
> 
> Is there something else that needs to be done? Is there more information
> I can ask for / give?
> 
> Thanks a lot
> Matthias
> 
> On 10/04/2017 02:09 PM, René-Luc Dhont wrote:
>> Hi,
>> 
>> It seems that the QGIS refactoring is complete!
>> https://github.com/qgis/QGIS-Enhancement-Proposals/issues/74
>> https://github.com/qgis/qgis3.0_api/issues/57
>> https://github.com/qgis/QGIS/pull/4824
>> 
>> You can use QGIS Server like this in Python
>> 
>> from qgis.server import QgsServer, QgsServerRequest,
>> QgsBufferServerRequest, QgsBufferServerResponse
>> 
>> server = QgsServer()
>> 
>> qs = "?" + "&".join(["%s=%s" % i for i in list({
>>            "MAP": '/tmp/qgis_project.qgs',
>>            "SERVICE": "WFS",
>>            "VERSION": "1.0.0",
>>            "REQUEST": "GetCapabilities"
>>        }.items())])
>> requestMethod = QgsServerRequest.GetMethod
>> headers = {}
>> data = '' #can be the xml request for requestMethod =
>> QgsServerRequest.PostMethod
>> 
>> request = QgsBufferServerRequest(qs, requestMethod, headers, data)
>> response = QgsBufferServerResponse()
>> server.handleRequest(request, response)
>> 
>> headers = []
>> rh = response.headers()
>> rk = sorted(rh.keys())
>> for k in rk:
>>    headers.append(("%s: %s" % (k, rh[k])).encode('utf-8'))
>> 
>> body = bytes(response.body())
>> 
>> Now QGIS Server needs somes enhancement and cleanup.
>> 
>> René-Luc D'Hont
>> 3Liz
>> 
>> Le 04/10/2017 à 13:23, Régis Haubourg a écrit :
>>> Hi 
>>> 
>>> Yes, refactoring is now complete! see :
>>> https://github.com/qgis/QGIS-Enhancement-Proposals/issues/74#issuecomment-334123595
>>> 
>>> Anita, I'll draft an article tonight if you still agree to review it,
>>> that would be great!
>>> 
>>> Régis
>>> 
>>> 
>>> 
>>> 2017-10-03 14:25 GMT+02:00 Anita Graser <anitagraser at gmx.at
>>> <mailto:anitagraser at gmx.at <mailto:anitagraser at gmx.at>>>:
>>> 
>>> 
>>> 
>>>    On Tue, Oct 3, 2017 at 11:19 AM, Régis Haubourg
>>>    <regis.haubourg at gmail.com <mailto:regis.haubourg at gmail.com> <mailto:regis.haubourg at gmail.com <mailto:regis.haubourg at gmail.com>>> wrote:
>>> 
>>>        Hi Etienne, 
>>> 
>>>        from my point of view, this is the perfect time to start
>>>        stressing QGIS server 3! We just discussed bout starting
>>>        working with it this morning on a new project. 
>>> 
>>>        Maybe Alessandro and René-Luc can tell us more about the
>>>        plugin side. 
>>> 
>>>        Paul is currently fixing issues raised by the OGC test
>>>        engines. Richard, could you find some time to expose them on a
>>>        public url? 
>>> 
>>> 
>>>    ​What would you think about publishing a QGIS Server update on
>>>    blog.qgis.org <http://blog.qgis.org/> <http://blog.qgis.org <http://blog.qgis.org/>> once the latest information
>>>    has been gathered? I'd like to see Server presented and advertised
>>>    more ​widely.
>>> 
>>>    ​I'd be glad to help write the post if someone can help with the
>>>    necessary insights.
>>> 
>>>    Regards,
>>>    Anita​
>>> 
>>> 
>>> 
>>> 
>>> 
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>> 
>> 
>> 
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