[OSM-talk] Statistics on road network length?

[Hermann Peifer]

On 18/11/2011 19:20, ThomasB wrote:
>
> I guess there are not so many people out there having a machine with more
> than 20GB RAM. I tried to calculate Germany with a 2009 planet file but
> failed, I guess because of RAM. So calculating large countries with 2011
> data may require RAM well in excess of 20GB. Smaller countries work fine.
>

One idea could be to use Geofabrik's OSM files by country. My rather 
crude script needs 2 seconds for processing Albania and 6 minutes each 
for France and Germany (on a machine with 8G RAM). See below.

Hermann

Fri Nov 18 19:36:28 CET 2011 +++ albania.osm.pbf
Fri Nov 18 19:36:30 CET 2011 +++ andorra.osm.pbf
Fri Nov 18 19:36:30 CET 2011 +++ austria.osm.pbf
Fri Nov 18 19:37:40 CET 2011 +++ azores.osm.pbf
Fri Nov 18 19:37:40 CET 2011 +++ belarus.osm.pbf
Fri Nov 18 19:37:52 CET 2011 +++ belgium.osm.pbf
Fri Nov 18 19:38:19 CET 2011 +++ bosnia-herzegovina.osm.pbf
Fri Nov 18 19:38:23 CET 2011 +++ bulgaria.osm.pbf
Fri Nov 18 19:38:29 CET 2011 +++ croatia.osm.pbf
Fri Nov 18 19:38:42 CET 2011 +++ cyprus.osm.pbf
Fri Nov 18 19:38:45 CET 2011 +++ czech_republic.osm.pbf
Fri Nov 18 19:39:37 CET 2011 +++ denmark.osm.pbf
Fri Nov 18 19:40:13 CET 2011 +++ estonia.osm.pbf
Fri Nov 18 19:40:19 CET 2011 +++ faroe_islands.osm.pbf
Fri Nov 18 19:40:19 CET 2011 +++ finland.osm.pbf
Fri Nov 18 19:40:54 CET 2011 +++ france.osm.pbf
Fri Nov 18 19:46:46 CET 2011 +++ germany.osm.pbf
Fri Nov 18 19:53:23 CET 2011 +++ great_britain.osm.pbf
Fri Nov 18 19:55:47 CET 2011 +++ greece.osm.pbf
Fri Nov 18 19:56:10 CET 2011 +++ hungary.osm.pbf
Fri Nov 18 19:56:20 CET 2011 +++ iceland.osm.pbf
Fri Nov 18 19:56:24 CET 2011 +++ ireland.osm.pbf
Fri Nov 18 19:56:41 CET 2011 +++ isle_of_man.osm.pbf
Fri Nov 18 19:56:41 CET 2011 +++ italy.osm.pbf
Fri Nov 18 19:59:07 CET 2011 +++ kosovo.osm.pbf
Fri Nov 18 19:59:13 CET 2011 +++ latvia.osm.pbf
Fri Nov 18 19:59:18 CET 2011 +++ liechtenstein.osm.pbf
Fri Nov 18 19:59:18 CET 2011 +++ lithuania.osm.pbf
Fri Nov 18 19:59:23 CET 2011 +++ luxembourg.osm.pbf
Fri Nov 18 19:59:26 CET 2011 +++ macedonia.osm.pbf
Fri Nov 18 19:59:27 CET 2011 +++ malta.osm.pbf
Fri Nov 18 19:59:28 CET 2011 +++ moldova.osm.pbf
Fri Nov 18 19:59:32 CET 2011 +++ monaco.osm.pbf
Fri Nov 18 19:59:32 CET 2011 +++ montenegro.osm.pbf
...