[gdal-dev] -wm (memory in mb with gdalwarp)

[Jukka Rahkonen]

Jonathan Moules <jonathanmoules <at> warwickshire.gov.uk> writes:


> > I tried adding:  --config GDAL_CACHEMAX 27000000000 but then it'd just
> > crash with out-of-memory (it wouldn't actually stop at 27GB; so I guess
> > that works differently again).
> Crash (Windows dialog) or "clean" exit with a GDAL error message ?
> What are the files (TIFF, ECW, ...) in the VRT ?
> I don't see anything wrong, and have not OS and hardware specs to reproduce
> that.
> 
> 
> A clean GDAL error:
> 
> 
> 
> 0...ERROR 2: GDALRasterBlock::Internalize : Out of memory allocating
262144 bytes.ERROR 1: GetBlockRef failed at X block offset 334, Y block
offset 60
> 
> The "files" are one single ECW file. 5GB compressed, about 200GB uncompressed.
> 

Hi,

I am not sure if things have changed since 
http://trac.osgeo.org/gdal/wiki/UserDocs/GdalWarp
and discussion around
http://www.mail-archive.com/gdal-dev@lists.osgeo.org/msg04017.html

That time it was not at all good to use unnecessarily large -wm value.

-Jukka Rahkonen-