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I have made a tile server importing full planet data. I want to keep my database updated to openstreetmap changes using osmosis as explained in this tutorial. This tutorial emphasizes on keeping database updated to minutely or daily changes in openstreetmap data. My question is that - will there be any problem if I apply osm database update scripts on monthly basis? The tutorial also says that monthly update may take much time as the changeset will be large. Does anyone here have an idea of how much time will it take approximately for applying monthly changesets?[ Given that I am using 1TB SSD for Database, 64GB RAM and 10 virtual cpu ] |
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In my experience, somewhere along the two-week mark there comes the point when a full new data import will be faster than applying diffs. Applying diffs is generally much more "expensive" than importing into a new database, that's why such a point exists. If you settle for a method where you do a full import every month, this also means you can import with the @frederik if I use a new database, how will I identify the tile list that needs to be expired? In my case I prerender tiles upto zoom level 13 in disk. So, does it mean that I need to rerender all those tiles as well?
(19 Aug '18, 16:07)
anuranpal
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Typically, what you do in this scenario is you create a file named "planet-import-complete" in your tile directory when you have finished the import. mod_tile will then look at the time stamp of a tile in the cache, and consider it "old" when its time stamp is older than that of the planet import. "old" tiles will then be re-rendered either on the fly or in the background, depending on your setting of the
(19 Aug '18, 16:10)
Frederik Ramm ♦
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