I know, i've removed what i Need to keep private before posting but i forgot to remove the original phrases
In the original email there were some ip adresses that must not be disclosed but i've changed the email a bit... Il giorno dom 11 nov 2018, 12:38 Alexandros Kosiaris < [email protected]> ha scritto: > Just as an fyi, you sent this to a public list, so anything you wanted to > keep private is now fully public. It's also archived and the archive is > public and probably already mirrored by other sites. > > Στις Κυρ, 11 Νοε 2018, 10:45 π.μ. ο χρήστης Gandalf Corvotempesta < > [email protected]> έγραψε: > >> Il giorno mer 3 ott 2018 alle ore 23:19 Guillaume Lederrey >> <[email protected]> ha scritto: >> > >> > Hello ! >> > >> > I'm working on the maps infrastructure for Wikimedia Maps. As guessed >> > by Eugene, we don't pregenerate tiles. You can find some info on our >> > infrastructure on wikitech [1] (as always, documentation should be >> > better than it is). >> >> Hi. >> Sorry for the late reply and sorry to reach you in private, but I have >> some >> questions that I prefere to not make public. >> >> > We generate vector tiles that we store in Cassandra, regenerating >> > those vector tiles when we import changes from OSM. Raster tiles >> > (.png) are generated on the fly from the vector tiles and cached by >> > Varnish. That rasterization process is cheap, so some level of cache >> > miss are not an issue. That being said, please don't try to download >> > all our tiles by iterating over them! >> >> Ok. >> >> > We don't provide dumps of our vector tiles either, as this is not that >> > helpful, since you would still have to build the rendering >> > infrastructure. At that point, you're probably better off building the >> > full stack. >> >> What do you use to build the vector tiles ? >> Do you directly start for OSM dumps ? >> What we are looking for is something pre-generated so that we don't >> have to extract the whole OSM dump (we don't have enough computing >> power to parse that huge file). It would be ok, for us, to have an updated >> mbtiles that will be rendered and cached on-the-fly (we already have tried >> that with success, but we are unable to find an updated mbtiles dump >> and, as wrote above, we are unable to generate that dumps on own own) >> >> > Options that might work for you: >> > >> > * Have a proxy on your side that would cache our tiles. Depending on >> > your access patterns and the cache duration, this might be enough. >> >> We also tried that by using cloudflare (keep the following private): >> >> $ curl -I >> https://thumbnails.take2me.it/w_256/h_256/url/https://maps.wikimedia.org/osm-intl/12/2191/1490.png >> HTTP/2 200 >> date: Sun, 11 Nov 2018 08:32:10 GMT >> content-type: image/jpeg >> content-length: 15128 >> set-cookie: __cfduid=d44f565b88a285b2334ea1699eddca8461541925130; >> expires=Mon, 11-Nov-19 08:32:10 GMT; path=/; domain=.take2me.it; >> HttpOnly >> cache-control: max-age=31536000, public >> expires: Mon, 11 Nov 2019 08:31:49 GMT >> last-modified: Sun, 11 Nov 2018 08:31:49 GMT >> cf-cache-status: HIT >> expect-ct: max-age=604800, >> report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"; >> server: cloudflare >> cf-ray: 477f68222d554334-MXP >> >> as you can see, it's a cache hit (1 year) from cloudflare, so that >> tile would be fetched from cloudflare and not from your server. >> Probably, by respecting your actual cache expire (1day) we can have an >> always updated map. >> >> How much time do you need to update your maps with updated data from >> OSM ? 1 day ? 1 Month? Just to know... >> >> By caching your tiles has some advantages (almost-zero infrastructure >> on our side) but also some disadvantage: we can't change the style. >> Any suggestion on how to generate raster tiles (are much faster to >> elaborate than vectors, on some smartphones) without having to >> generate the mbtiles from raw OSM data ? Are wrote above, we can't >> handle that huge file and the only MBTiles I have found is 1 year old, >> in example: >> https://openmaptiles.com/downloads/tileset/osm/europe/albania/?usage=education >> >> So, to recap: we are able to cache your tiles on our side, but we >> would like to generate our own raster tiles. We are able to generate >> raster tiles on our own, starting from a pre-computed mbtiles, but >> that file is outdated. How can we generate (or download) an updated >> mbtiles >> without using the whole OSM dump? >> >> >> Another thing to keep private: >> we are using your maps on our procution site. If I tell you the >> referral, could you please set that as whitelist >> (or at least, warn me before any suspensions ? We don't want to see >> our website down because you dropped our >> access to your maps) >> >> Thank you in advance >> Alessandro. >> >> _______________________________________________ >> Maps-l mailing list >> [email protected] >> https://lists.wikimedia.org/mailman/listinfo/maps-l >> > _______________________________________________ > Maps-l mailing list > [email protected] > https://lists.wikimedia.org/mailman/listinfo/maps-l >
_______________________________________________ Maps-l mailing list [email protected] https://lists.wikimedia.org/mailman/listinfo/maps-l
