[mapserver-users] MapServer consuming 100% CPU

Paul Spencer pspencer at dmsolutions.ca
Thu Feb 21 05:08:17 PST 2008


See:

http://mapserver.gis.umn.edu/docs/howto/mapfiletuning
http://mapserver.gis.umn.edu/docs/howto/optimizevector
http://mapserver.gis.umn.edu/docs/howto/tileindex

Cheers

Paul

On 21-Feb-08, at 2:56 AM, Desarrollo Desarrollo wrote:

> Hi,
>
>    I am developing an application with  MapServer v2.2.7 with  
> Apache  on Windows XP, but I have a serious problem, below I  
> describe it:
>
> Using Navteq demo maps from Paris, the Streets.shp have around  
> 500000 line strings features, when mapserver renders the layer  
> without using DBF data (only  draw lines) everything is OK and fast,  
> but when mapserver needs to access to the DBF to render labels or  
> use expressions to filter data, mapserver starts to consuming 100%  
> CPU and nothing is rendered after to spends a long time.
>
> Using Teleatlas demo maps for a medium city of Spain, the Street.shp  
> with around 11000 line strings features doesn't show any trouble and  
> mapserver  renders the images OK and fast even accessing to DBF to  
> render labels
>
> Could somebody help me with this problem? Why does it happen? How do  
> I solve it?
>
>
> Thank you very much.
> _______________________________________________
> mapserver-users mailing list
> mapserver-users at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/mapserver-users


__________________________________________

    Paul Spencer
    Chief Technology Officer
    DM Solutions Group Inc
    http://www.dmsolutions.ca/




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