[openstreetmap/openstreetmap-website] Change the way changesets are displayed to use achavi (#1376)

mmd notifications at github.com
Sun Jul 16 12:51:46 UTC 2017

> For now, I often get temporarily blocked from Overpass just by using the query tool on the website 3-4 times in a row, who knows what happens if it is used at 20 changesets at once, with infinite scrolling enabled.

Well, that reflects the situation on the current production server only. That's a different db compression, not all performance and scalability fixes in place, etc. Just don't use it as a reference point, seriously.

Storing all changesets as GeoJSON just needs a lot of disk space, which is not that efficient to start with. Overpass API has given up on a similar idea a few years back. And @geohacker still uses Overpass to populate the cache, and every effort to make the original Overpass queries smoother would also immediately help his caching approach - win - win.

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