[Openstreetmap] Running out of OSM IDs ?
Matt Amos
matt at matt-amos.uklinux.net
Wed Dec 21 00:21:54 GMT 2005
On Tuesday 20 December 2005 00:18, SteveC wrote:
> * @ 20/12/05 12:19:46 AM uucp1 at yahoo.com wrote:
> > Hi,
> >
> > i have two questions about the OSM node and line
> > IDs.
> > First, do they overlap ?
> > Second, are they 32bit or 64bit or just strings made
> > of digits ?
>
> 64 bit
quick back-of-the envelope calculation shows that, if every person in
the UK uploaded GPS tracks 24/7 every day, we'd run out of uids in
9742 years.
of course, this doesn't take into account population growth ;-)
cya,
matt
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