[GRASS-dev] how to increase performance of v.out.ogr to geopackage ?

Markus Neteler neteler at osgeo.org
Thu Dec 27 02:02:39 PST 2018


On Thu, Dec 20, 2018 at 10:34 AM Markus Metz
<markus.metz.giswork at gmail.com> wrote:
> On Thu, Nov 29, 2018 at 3:43 PM Moritz Lennert <mlennert at club.worldonline.be> wrote:
> >
> > Hi,
> >
> > I have large amount of vector maps (~ 400) which each has hundreds of
> > thousands of areas and over 150 attribute columns. I'm looking for the
> > most efficient way to export these to a format I can share with
> > non-GRASS GIS users. My favourite would probably be Geopackage, amongst
> > others because the attribute column names are sometimes fairly long,
> > thus making export to a DBF based format not easily feasible.
...
> For GDAL/OGR, you can set configuration options in various ways [0], e.g.
>
> OGR_SQLITE_CACHE=1024 OGR_SQLITE_SYNCHRONOUS=OFF v.out.ogr ...
...
> [0] https://trac.osgeo.org/gdal/wiki/ConfigOptions

For the record, I have added these two variables on this overview page:
https://trac.osgeo.org/gdal/wiki/ConfigOptions#OGR_SQLITE_CACHE

and in r73866 to the v.out.ogr manual.

markusN

-- 
Markus Neteler, PhD
http://www.mundialis.de - free data with free software
http://grass.osgeo.org
http://courses.neteler.org/blog


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