Jukka Rahkonen <jukka.rahkonen <at> mmmtike.fi> writes: > > Hi, > > The default value of -gt parameter of ogr2ogr utility is 200 which is all > too low for databases. Especially bad it seems to be for SQLite/Spatialite > and thus also for GeoPackage. > > Are there some drivers which would suffer badly if the default value for -gt > would be increased to something like 2000 or 4000? It is easy to set the > value from the command line but most ogr2ogr usage examples we have in the > documentation are without -gt parameter and I am sure than very many people > just copy-paste the examples and run ogr2ogr unnecessarily slow.
I took some timings: ogr2ogr -f GPKG germany.gpkg germany.osm.pbf -gt 20000 -progress --config OSM_COMPRESS_NODES YES Timing: 18 minutes ogr2ogr -f GPKG germany_2.gpkg germany.osm.pbf -progress --config OSM_COMPRESS_NODES YES Timing: 2 hours and 11 minutes -Jukka- _______________________________________________ gdal-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/gdal-dev
