Hi! Paul Ramsey just mentioned [1] two interesting blog posts [2, 3] about possible inefficiencies in the R-tree implemention of PostGIS. Could be a reason why OSM rendering of tiles is slower that it should be.
[1] http://blog.cleverelephant.ca/2010/08/take-this-tree-and-pack-it.html [2] http://cognitivelychris.blogspot.com/2008/10/nitpicking-pick-split.html [3] http://cognitivelychris.blogspot.com/2009/09/send-your-r-trees-packing.html Jochen -- Jochen Topf joc...@remote.org http://www.remote.org/jochen/ +49-721-388298 _______________________________________________ dev mailing list dev@openstreetmap.org http://lists.openstreetmap.org/listinfo/dev