Hi Svetlana,
While we do get data from OSM, we run our own tile server called
Kartotherian <https://github.com/kartotherian/kartotherian>, mainly for the
following reasons:
- OSM's infrastructure is fragile and has cache challenges
- Their datacenter is in London, which means latency becomes an issue
- OSM's rendering stack can't scale horizontally well enough to be sure
they could handle our load
- Their map style is not mobile friendly
- We require multilingual and vector tiles, which their stack can't do
(currently)
- We wanted to provide nicer map styling in general
Hope that helps!
On Mon, Feb 6, 2017 at 1:06 PM, Svetlana Tkachenko <svetlana(a)members.fsf.org
wrote:
Are we even building our own tiles? I thought the
'Wikimedia maps' is
just an interface to OSM.
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Erika Bjune
Engineering Manager - Discovery
Wikimedia Foundation