[OSM-dev] OSM StreetDensityMap

Martijn van Exel m at rtijn.org
Tue Mar 6 16:44:45 GMT 2012


On Tue, Mar 6, 2012 at 7:42 AM, Jochen Topf <jochen at remote.org> wrote:

> On Tue, Mar 06, 2012 at 01:31:31PM +0100, npl wrote:
> > TagInfo-like systems (aggregating big data and creating statistics)
> > could definitely be built using hadoop/mapreduce.
> Or you can do what Taginfo does and just write it cleverly, so it just
> uses one
> host for an hour instead of 10 hosts for several hours. :-) I do agree that
> there are many use-cases for Hadoop & Co. But they also create a lot of
> overhead...
Just one host for an hour a day? Wow. That's not very much processing time
at all for what it provides. Awesome.

martijn van exel
geospatial omnivore
1109 1st ave #2
salt lake city, ut 84103
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