Are there any other changes that will be made to the default config? (e.g.
new .style, switching to hstore)

> -----Original Message-----
> From: Kai Krueger [mailto:kakrue...@gmail.com]
> Sent: Thursday, September 13, 2012 3:59 PM
> To: dev@openstreetmap.org
> Subject: [OSM-dev] Switch osm2pgsql to 64 bit mode
> 
> Hello everyone,
> 
> I have just changed the default compile of osm2pgsql to use 64bit IDs
> instead of 32bit IDs.
> 
> The current highest node ID is 1.9 billion. As signed 32 bit ints can
> only hold ~2.1 billion IDs, it is likely that the (signed) 32bit ID
> space will run out in a couple of months.
> 
> As the switching from 32bit to 64bit IDs with osm2pgsql requires a fresh
> import as the database schemas are not compatible with each other, the
> current time seems like the most reasonable time to do this, as due to
> the license change it is recommended to perform a re-import anyway.
> 
> It is still possible to compile osm2pgsql with 32bit IDs by passing the
> argument --disable-64bit-ids to ./configure.
> 
> According to Frederik's benchmarks[1], 64bit mode is slightly slower and
> uses up more disk space, but hopefully that doesn't cause to much
> trouble and it will soon be necessary anyway.
> 
> I also bumped the version number to 0.81.0
> 
> Kai
> 
> [1] http://www.remote.org/frederik/tmp/ramm-osm2pgsql-sotm-2012.pdf
> 
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