[gdal-dev] gdal_rasterize in multiple processes

[Even Rouault]

Perhaps that at that point you've already saturated the bandwidth of your
storage device ?

2015-07-14 17:25 GMT+02:00 jramm <jamessramm at gmail.com>:

> 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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