[OSM-dev] OWL + OSM Activity Server

Alex Barth alex at mapbox.com
Fri Oct 19 16:00:31 BST 2012


On Oct 19, 2012, at 9:24 AM, Paweł Paprota <ppawel at fastmail.fm> wrote:

> I just simply don't have server resources to work with anything larger than a Europe dump which already is crawling on the hardware I've got available.

Did you try to get a dev account? Not sure whether that gets you servers that are powerful enough. OSM US servers might also be suitable, send me an email if you're interested.

> 
>> However, XML parsing (and gzip compression) are heavily CPU
>> intensive. Thus, it might be a good idea to retain these in C++ or
>> getting done in carefully chosen external libraries.
>> 
> 
> It would be interesting to see what is the overhead of Ruby when parsing with libxml-ruby (or Nokogiri which is another thin layer on top of libxml) compared to C/C++.
> 
> Maybe another way to go would be to use PBF which is supposed to be much faster for machine reading.
> 
> Paweł
> 
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Alex Barth
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