[Tilesathome] Tileset-at-once - we can now upload 8MB ZIP files

Dirk-Lüder Kreie osm-list at deelkar.net
Fri Jul 20 22:33:50 BST 2007


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Dirk-Lüder Kreie schrieb:

> If you turn this into a sort of optimization problem and postulate that
> the average tileset contains a 1000 Tiles and that a split tileset thus
> costs the server 1000x as much metadata updates you need to find the
> point where its more cost effective to split up the zip instead of
> accepting very large files, which would be, looking at the metadata the
> point where less than 1 in 1000 zips are split up.
> That would be just about 12 MB if I count right.
> (0+0+2+0+1+4+0+8) / 21224 < 1/1000
> (0+0+2+0+1+4+0+8+7) / 21224 > 1/1000

Considering you have to do that every 1/1000th upload it would still
double the total load if everything else would stay the same.

- --

Dirk-Lüder "Deelkar" Kreie
Bremen - 53.0952°N 8.8652°E

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