Hi, On 4 November 2013 11:16, Dawid Loubser <da...@travellinck.com> wrote:
> That's funny Grant - I always thought that the zoomed-out tiles updated > first, and that it took ages for the detailed tiles to update :-) > I'm sure it was that way a couple of years ago - has the processing order > changed? Or am I mistaken? > Yes it has changed. The rendering stack (and caching layers) now try to keep the zoomed-in (high-zoom) current and caches the zoomed out for much longer. The tile.openstreetmap.org rendering + serving is a challenge... >5000 tiles per second (> 450Mbit/s) at peak. A dynamic pool of 11 caches servers servers and 2 rendering servers. It has been fun to design. But don't be scared off from trying to render your own OSM South Africa map. Even a smallish PC can handle it. http://switch2osm.org/ has a guide and there are people in #osm-dev on http://irc.osm.org always ready to help. Regards Grant
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