[gdal-dev] gdal_rasterize in multiple processes

jramm jamessramm at gmail.com
Tue Jul 14 08:25:47 PDT 2015

I have a number of vector datasets to rasterize. 

I am finding that when the datasets are small, I have no problem starting
multiple gdal_rasterize processes (using python). 

If my datasets are large (I'm trying to create rasters with millions of
pixels), I'm finding that I can only start one gdal_rasterize process at
once, or sometimes, after a couple have started the rest refuse to start.

RAM shows usage below 50%, and CPU usage is also below 50%. 

I can't figure out whether this is a gdal_rasterize thing or not? 

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