[MapProxy] Caches: performance and conversion?

Travis Kirstine traviskirstine at gmail.com
Mon Mar 22 13:37:19 PDT 2021


I haven't done this with MapProxy but have done something similar with
MapCache.  I believe the command you are looking for can be found here:


On Wed, 17 Mar 2021 at 11:18, Immanuel Hayden <immanuel.hayden at gmail.com>

> Hi!
> Short summary of my situation: I have about 1 TB of tiles between 100+
> projects (mostly file-cache based ... the horrors) and would like to
> migrate away to a different cache format. So far I've found geopackage to
> work rather nicely and also seemingly uses considerably less disk space
> (about half in my trials). However this leads to two questions:
> 1. Did anyone ever do a performance comparison between the different local
> caches? I am concerned with running into performance problems halfway
> through converting the data. This also includes resource consumption (i.e.
> does for example loading a geopackage cache stress memory more than a file
> cache?)
> 2. Is there some way to convert between cache types? Re-rendering takes a
> _long_ time due to the complexity of our maps, so while this was a good
> option for my test projects, it isn't for the bulk of the tile cache. If
> there is an option, how would I actually set that up? Maybe adding the
> existing cache as a WMS soure or something?
> Thanks for your inputs :)
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