[OSM-dev] Exhaustion of 32bit signed integer range expected this year

[Jukka Rahkonen]

The latest Windows build of osm2pgsql is just over two years old now.
Perhaps we will reach a new build by the end of this year.

-Jukka Rahkonen-

Frederik Ramm wrote:
> Hi,
>
>     this is just a reminder that our current highest node ID is about
> 1.7 billion, and that it grows by about 0.05 billion every month.
>
> This means that it is likely that by the end of 2012, we will have
> reached (or be very close to reaching) the end of the 32bit "signed
> integer" range (2.15 billion, or 2^31-1).
>
> See also:
> http://tools.geofabrik.de/munin/osm_nodes-year.png
>
> Software processing OSM data will need to either use unsigned integers
> (which can be problematic in cases where negative values are also
> required), or switch to 64bit integers altogether.
>
> This is also relevant when dealing with database tables; depending on
> what schema you are using, you might have 32bit signed IDs there as well.
>
> osm2pgsql can be compiled with 64bit ID support but that is not enabled
> in the standard binary distributions.
>
> If you are in any way involved with writing software for OSM, it may be
> worth thinking about that now.
>
> Bye
> Frederik
>
> --
> Frederik Ramm  ##  eMail frederik at remote.org  ##  N49°00'09" E008°23'33"
>
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