Le 23/10/2025 à 01:37, zrh via gdal-dev a écrit :
Hi, everyone,
I want to know the max size of a VRT file.
No fixed limit, but how much usable RAM your process has access to. My
guess-timate would be that you need about between 2 and 10 times the VRT
file size.
When I use gdal_translate to convert a vrt to tiff, I got error:
CPLMutexHolder: Failed to acquire mutex!
ERROR 2: Cannot allocate CPLXMLNode
It seems that memory allocation issue.
I use gdal_translate.exe with x86 version, not x64.
You pretty much diagnosed the cause of the issue...
If you use VRT in a mosaicing context, you'd rather want to use
https://gdal.org/en/stable/drivers/raster/gti.html instead of VRT with a
very large number of sources. The RAM requirements of GTI are very small
compared to VRT.
Even
--
http://www.spatialys.com
My software is free, but my time generally not.
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