[MapProxy] SQLite cache types vs MBTiles
Rahkonen Jukka
jukka.rahkonen at mmmtike.fi
Tue Nov 26 00:42:19 PST 2013
Hi,
Can it be called as MBTiles if the grid is anything else than global-mercator? See
https://github.com/mapbox/mbtiles-spec/blob/master/1.1/spec.md
-Jukka Rahkonen-
Oliver Tonnhofer wrote:
>
> Hi,
>
> On 25.11.2013, at 22:46, Travis Kirstine wrote:
> > Are there any other differences between sqlite caches and mbtiles beyond the
> ability to store time stamps and store each level in seperate db.
>
> No.
>
> > Specifically can you:
> > - Run multi-threaded seeding
> > - Store mixed format images
> > - Use grids in other projections - GLOBAL_GEODETIC
>
> Yes[0], yes, yes.
>
>
> [0] someone reported SQLite connection timeouts during seeding with high
> concurrency, but he didn't report any further numbers. I do think this might
> happen when IO load is very high, but in this case you should reduce concurrency
> to a more moderate value. More feedback is welcome.
>
>
> Regards,
> Oliver
>
> --
> Oliver Tonnhofer | Omniscale GmbH & Co KG | http://omniscale.com
> http://mapproxy.org | https://github.com/olt | @oltonn
>
>
>
>
>
>
>
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