[Qgis-developer] [WebClient] rule-based style SLOW

Thu Apr 19 11:13:38 EDT 2012

Am 19.04.2012 17:09, schrieb Marco Hugentobler:
>> But if I do the request below directly in Firefox I don't get an answer
>
> It seems to me every second/third request gets no answer, the other
> requests are fast. Maybe one of the fcgi processes has a problem.
> If you kill all the processes with 'sudo apache2ctl -k restart', do you
> get the same behaviour with the newly started processes?

check for yourself I restarted apache
>
> Regards,
> Marco
>
> On 19.04.2012 17:00, Ziegler Stefan wrote:
>> Ok.
>>
>> But if I do the request below directly in Firefox I don't get an answer:
>>
>> http://map2.jena.de/wms/test?LAYERS=rule-based%20style&FORMAT=image%2Fjpeg&DPI=96&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&SRS=EPSG%3A31468&BBOX=4470952.2051116,5639101.6991152,4471361.7998382,5639353.578998&WIDTH=883&HEIGHT=543
>>
>>
>> And some rule-based styled request in the web client are also fast...
>> Strange.
>>
>> Stefan
>>
>>> -----Ursprüngliche Nachricht-----
>>> Von: bernhard.stroebl at jena.de [mailto:bernhard.stroebl at jena.de]
>>> Gesendet: Donnerstag, 19. April 2012 16:56
>>> An: Ziegler Stefan
>>> Cc: Qgis-developer at lists.osgeo.org
>>> Betreff: Re: [Qgis-developer] [WebClient] rule-based style SLOW
>>>
>>>
>>>
>>> Am 19.04.2012 16:49, schrieb Ziegler Stefan:
>>>> Yes.
>>>>
>>>> What do mean by "desktop is fast". Do you load the WMS layer into
>>>> QGIS or the
>>> original project file with the postgis layers?
>>>
>>> yep, I meant QGIS desktop with postgis layer, just to make clear
>>> there is no problem
>>> with the styling.
>>>
>>> Bernhard
>>>> Steffan
>>>>
>>>>> -----Ursprüngliche Nachricht-----
>>>>> Von: qgis-developer-bounces at lists.osgeo.org [mailto:qgis-developer-
>>>>> bounces at lists.osgeo.org] Im Auftrag von bernhard.stroebl at jena.de
>>>>> Gesendet: Donnerstag, 19. April 2012 16:40
>>>>> An: Ziegler Stefan
>>>>> Cc: Qgis-developer at lists.osgeo.org
>>>>> Betreff: Re: [Qgis-developer] [WebClient] rule-based style SLOW
>>>>>
>>>>> Hi Stefan,
>>>>>
>>>>> the WMS requests in my last posts are from firebug. Is that what
>>>>> you mean?
>>>>>
>>>>> Bernhard
>>>>>
>>>>> Am 19.04.2012 15:38, schrieb Ziegler Stefan:
>>>>>> Hi Bernard
>>>>>>
>>>>>> Did you have a look at Firebug (or the Google Chrome equivalent) to
>>>>>> see what
>>>>> exactly the client is requesting?
>>>>>> Regards
>>>>>> Stefan
>>>>>>
>>>>>>> -----Ursprüngliche Nachricht-----
>>>>>>> Von: qgis-developer-bounces at lists.osgeo.org [mailto:qgis-developer-
>>>>>>> bounces at lists.osgeo.org] Im Auftrag von bernhard.stroebl at jena.de
>>>>>>> Gesendet: Donnerstag, 19. April 2012 15:26
>>>>>>> An: Martin Dobias
>>>>>>> Cc: Qgis-developer at lists.osgeo.org
>>>>>>> Betreff: Re: [Qgis-developer] [WebClient] rule-based style SLOW
>>>>>>>
>>>>>>> Hi Martin,
>>>>>>>
>>>>>>> thank you for the reply
>>>>>>>
>>>>>>> Am 19.04.2012 14:36, schrieb Martin Dobias:
>>>>>>>> On Thu, Apr 19, 2012 at 12:00 PM,<bernhard.stroebl at jena.de> wrote:
>>>>>>>>> Hi,
>>>>>>>>>
>>>>>>>>> I realized that using a rule-based style makes the client dead
>>>>>>>>> slow.
>>>>>>>>> Normally the log shows a timeout on the server for
>>>>>>>>> qgis_mapserv.fcgi.
>>>>>>>>> If I put the rules into the data source (postgres) and use a
>>>>>>>>> categorized style the client performs as expected. The slowliness
>>>>>>>>> can only be experienced when zooming or panning.
>>>>>>>>>
>>>>>>>>> I prepared an example (will be probably removed in a couple
>>>>>>>>> weeks):
>>>>>>>>> http://map2.jena.de/kartenportal/test?format=image/png&visibleLay
>>>>>>>>> er
>>>>>>>>> s=
>>>>>>>>> Stadtplan&lang=en
>>>>>>>>>
>>>>>>>>> after loading please activate one of the layers and zoom in on
>>>>>>>>> the colored area in the south rule-based style: loads forever
>>>>>>>>> (Navigation history brings you back) categorized style: loads ok
>>>>>>>> Is it slow also in QGIS desktop app or is it something specific to
>>>>>>>> the QGIS server?
>>>>>>> desktop is fast
>>>>>>> and so is QGIS server; compare
>>>>>>> http://map2.jena.de/wms/test?LAYERS=Stadtplan%2Ccategorized%20style
>>>>>>> &F
>>>>>>> ORMAT=i
>>>>>>>
>>> mage%2Fpng&DPI=96&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&
>>> EXCEPTIONS=application%2Fvnd.ogc.se_inimage&SRS=EPSG%3A31468&BBOX=447
>>>>>>> 065
>>>>>>> 4.5050516,5638947.4195052,4471988.6271692,5639432.5548208&WIDTH=101
>>>>>>> 2&
>>>>>>> HEIGH
>>>>>>> T=368
>>>>>>> and
>>>>>>> http://map2.jena.de/wms/test?LAYERS=Stadtplan%2Crule-
>>>>>>>
>>> based%20style&FORMAT=image%2Fpng&DPI=96&SERVICE=WMS&VERSION=1.1.1&RE
>>>>>>> QUEST=GetMap&STYLES=&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&SR
>>>>>>> S=
>>>>>>> EPS
>>>>>>>
>>> G%3A31468&BBOX=4470654.5050516,5638947.4195052,4471988.6271692,5639
>>>>>>> 43
>>>>>>> 2.55
>>>>>>> 48208&WIDTH=1012&HEIGHT=368
>>>>>>>
>>>>>>> both are reasonably fast
>>>>>>>
>>>>>>>>> if I enter the WMS request directly both layers load reasonably
>>>>>>>>> fast!?
>>>>>>>> Then it is probably not a QGIS issue at all...?
>>>>>>> I have no idea where the problem comes from because on my PC
>>>>>>> (running OpenSUSE
>>>>>>> 11.4) both layers are fast in QGIS WebClient
>>>>>>>
>>>>>>>> In any case, sharing the project would help - to look for any
>>>>>>>> anomalies.
>>>>>>> what would you need? project and a dbdump? If you are willing to
>>>>>>> look into this I would send it to you with a PM.
>>>>>>>> Martin
>>>>>>>
>>>>>>> Bernhard
>>>>>>>
>>>>>>>
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