[gdal-dev] Reading an IntegerList from file

Jukka Rahkonen jukka.rahkonen at mmmtike.fi
Thu Sep 20 10:29:36 PDT 2012


Even Rouault <even.rouault <at> mines-paris.org> writes:

> 
> SQLite write performances can be improved dramatically by following the
> recommandations in the "Performance hints" paragraph of
> http://gdal.org/ogr/drv_sqlite.html . In particular, in my experience, on some
> Linux kernels and EXT4 filesystem, defining the configuration option/env.
> variable OGR_SQLITE_SYNCHRONOUS to OFF, leads to huge performance boosts.

I feel that on Windows before you can enjoy that performance boost you must also
increase -gt.  The defauls value (200) is for sure too low for any bigger
datasets, try 2000 or 10000 instead.

-Jukka Rahkonen-



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