[Cartoweb-users] Shapefile size and speed DB or native?
Nicolas Ribot
nicolas.ribot at camptocamp.com
Thu May 3 04:57:10 EDT 2007
> I have a 1 GB shapefile (yes, 1 GB!), as it is the footprints for
> ALL the IKONOS satellite imagery for the entire world. Other than
> breaking up the file, using the native shapefile in Cartoweb and
> querying it would probably take a LONG time. Is storing this file
> in a PostgreSQL/PostGIS Spatial database any faster? I understand
> you can index the file in the database version to speed up searches
> etc., but is this file just way too big to begin with no matter
> which method I use?
>
> Anyone have experience with working with a shapefile this big and
> trying to access it over Cartoweb? Or the speed difference using a
> spatial DB?
>
Hi
I think it is worth reading this postgis post regarding this issue:
http://postgis.refractions.net/pipermail/postgis-users/2007-April/
015461.html
Personnally, I think using postgis as repository is a good choice.
Well crafted index will help querying the data
Nicolas
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