Hi,
have you tried forcing the spatial index usage, it's a flag in the store
configuration (if you have
a GeoServer recent enough... 2.6.x or 2.7.x, cannot remember when exactly
we added those)

Cheers
Andrea


On Mon, Sep 28, 2015 at 6:35 PM, Roel De Nijs <[email protected]>
wrote:

> Hi list,
>
>
>
>
>
> We have a SQL Server 2008 R2 database with a spatial table for every
> feature type (node, pipe, storagearea,…). Our application has two type of
> users: the normal user and the geo-limited user. The first one can view all
> the infrastructure, the latter one is restricted and can only see the
> infrastructure within a polygon (representing a city or some other area).
>
>
>
> To implement this restriction we add a CQL_FILTER to the GetMap-requests.
> But these requests are much slower than the non-limited requests. I
> collected some reference data. Because these data is quite verbose
> (certainly for the geo-limited user), I share just the details of one tile.
>
>
>
> So for a normal user, the geoserver request takes 660ms.
>
>
>
> finished[660] parameters[[FORMAT=image/png, TRANSPARENT=TRUE, SERVICE=WMS, 
> VERSION=1.1.1, REQUEST=GetMap, 
> STYLES=knoopEigenaar,leidingEigenaar,terugslagklep,overstort,afsluiter,knijpconstructie,pomp,wervelventiel,inlaatEigenaar,uitlaatEigenaar,knelpuntStatus,reservoirEigenaar,projectToestand,
>  
> LAYERS=knoop,leiding,terugslagklep,overstort,afsluiter,knijpconstructie,pomp,wervelventiel,inlaat,uitlaat,knelpunt,reservoir,project,
>  SRS=EPSG:31370, 
> BBOX=116547.44384766,188202.28271484,116813.06835938,188467.90722656, 
> WIDTH=512, HEIGHT=512]]
>
>
>
> But fort he geo-limited user, the geoserver request is 5x slower (3063ms).
>
>
>
> finished[3063] parameters[[FORMAT=image/png, TRANSPARENT=TRUE,
> SERVICE=WMS, VERSION=1.1.1, REQUEST=GetMap,
> STYLES=knoopEigenaar,leidingEigenaar,terugslagklep,overstort,afsluiter,knijpconstructie,pomp,wervelventiel,inlaatEigenaar,uitlaatEigenaar,knelpuntStatus,reservoirEigenaar,projectToestand,
> LAYERS=knoop,leiding,terugslagklep,overstort,afsluiter,knijpconstructie,pomp,wervelventiel,inlaat,uitlaat,knelpunt,reservoir,project,
> SRS=EPSG:31370,
> BBOX=116547.44384766,188202.28271484,116813.06835938,188467.90722656,
> WIDTH=512, HEIGHT=512, CQL_FILTER=INTERSECTS("geom", POLYGON
> ((116547.44384766 188202.28271484, 116547.44384766 188467.90722656,
> 116813.06835938 188467.90722656, 116813.06835938 188202.28271484,
> 116547.44384766 188202.28271484)));INTERSECTS("geom", POLYGON
> ((116547.44384766 188202.28271484, 116547.44384766 188467.90722656,
> 116813.06835938 188467.90722656, 116813.06835938 188202.28271484,
> 116547.44384766 188202.28271484)));INTERSECTS("geom", POLYGON
> ((116547.44384766 188202.28271484, 116547.44384766 188467.90722656,
> 116813.06835938 188467.90722656, 116813.06835938 188202.28271484,
> 116547.44384766 188202.28271484)));INTERSECTS("geom", POLYGON
> ((116547.44384766 188202.28271484, 116547.44384766 188467.90722656,
> 116813.06835938 188467.90722656, 116813.06835938 188202.28271484,
> 116547.44384766 188202.28271484)));INTERSECTS("geom", POLYGON
> ((116547.44384766 188202.28271484, 116547.44384766 188467.90722656,
> 116813.06835938 188467.90722656, 116813.06835938 188202.28271484,
> 116547.44384766 188202.28271484)));INTERSECTS("geom", POLYGON
> ((116547.44384766 188202.28271484, 116547.44384766 188467.90722656,
> 116813.06835938 188467.90722656, 116813.06835938 188202.28271484,
> 116547.44384766 188202.28271484)));INTERSECTS("geom", POLYGON
> ((116547.44384766 188202.28271484, 116547.44384766 188467.90722656,
> 116813.06835938 188467.90722656, 116813.06835938 188202.28271484,
> 116547.44384766 188202.28271484)));INTERSECTS("geom", POLYGON
> ((116547.44384766 188202.28271484, 116547.44384766 188467.90722656,
> 116813.06835938 188467.90722656, 116813.06835938 188202.28271484,
> 116547.44384766 188202.28271484)));INTERSECTS("geom", POLYGON
> ((116547.44384766 188202.28271484, 116547.44384766 188467.90722656,
> 116813.06835938 188467.90722656, 116813.06835938 188202.28271484,
> 116547.44384766 188202.28271484)));INTERSECTS("geom", POLYGON
> ((116547.44384766 188202.28271484, 116547.44384766 188467.90722656,
> 116813.06835938 188467.90722656, 116813.06835938 188202.28271484,
> 116547.44384766 188202.28271484)));INTERSECTS("geom", POLYGON
> ((116547.44384766 188202.28271484, 116547.44384766 188467.90722656,
> 116813.06835938 188467.90722656, 116813.06835938 188202.28271484,
> 116547.44384766 188202.28271484)));INTERSECTS("geom", POLYGON
> ((116547.44384766 188202.28271484, 116547.44384766 188467.90722656,
> 116813.06835938 188467.90722656, 116813.06835938 188202.28271484,
> 116547.44384766 188202.28271484)));INTERSECTS("geom", POLYGON
> ((116547.44384766 188202.28271484, 116547.44384766 188467.90722656,
> 116813.06835938 188467.90722656, 116813.06835938 188202.28271484,
> 116547.44384766 188202.28271484)))]]
>
>
>
>
>
> I want to know what could be the cause(s) of this performance issue. And
> if I can make some changes to improve performance. Any pointers, hints,…
> are more than welcome. I take anything I can get :-) And if it is a really
> specific issue, I’ll try debugging some geoserver code.
>
>
>
>
>
> Kind regards,
>
> Roel De Nijs
>
> Senior Java Developer
>
>
>
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