Separate dbCache for different areas with mapbox

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I'm creating an app that caches map areas for offline use. I have a single tilesource with many possible areas of interest, and I want to be able to remove cache for a specific area but not other areas.

What would be the best way to cache the different areas to a database in this case?

Also, is it possible to have more than one background cache process?

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incanus On

We have not tried more than one background process. It probably won't be great due to performance reasons, but you should be able to do it technically.

I would use different tile sources for different areas with the current setup. A tile source currently is meant to be cleared all-or-nothing. This could be modified in custom changes to the (open source) SDK but doesn't do that out of the box.