Selon steve.tout...@inspq.qc.ca: > hello > Using mapserver 7 I make this request to get the number of features in a > WFS layer. it returns numberOfFeatures="450361" > http://localhost/cgi-bin/ms7?version=1.1.0&request=getfeature&service=wfs&typename=feature:aqreseau&resultType=hits > > this layer is a postgis table on localhost. > This request takes 18 seconds to run with mapserver 7 > in postgis select count(*) from table takes 61ms to run > the same request using a geoserver WFS takes less than 1 second > > Is there something that can be done with MS7 to improve performance?
Not really unfortunately. Efficient count is something that should be implemented. Currently it basically retrieves each individual feature and iterates over them. So it takes nearly as much as time as getting the full features. > thanks > > > -- Spatialys - Geospatial professional services http://www.spatialys.com _______________________________________________ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users
