In my x64 laptop I have 16G of RAM. I see arcGIS is using 4G, I have 11G of RAM available. Also, I was trying to process an 8G raster and I've got a not enough memory error.
Is there anyway I can make more RAM allocate/available for arcGIS usage?
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1Was the error specifically citing RAM and not disk memory? I only have 8G of RAM on one of my computers and have processed 100+G rasters. Make sure you have space to write the new image.– Adam KaraCommented Apr 5, 2016 at 16:50
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From my system info window: 15G RAM, 465G HardDrive1, 1000+G HardDrive2.– Delonix R.Commented Apr 5, 2016 at 16:57
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No software should ever need the full amount of RAM to access a large datafile. The RAM required to read a raster shouldn't exceed the width times the tile height (times two if the format uses compression).– VinceCommented Apr 5, 2016 at 17:34
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1 Answer
Although your Windows installation is 64-bit, ArcGIS Desktop is still 32-bit software and can't use more than 4GB of RAM in a single process. However, you can install the ArcGIS 64-bit Background Geoprocessing addon, that will let you run most geoprocessing tools in 64-bit mode and they can use more than 4GB RAM in that case. There are some exceptions, but it doesn't look like they'll be a problem in your case:
Tools that do not run in the background include the following:
Tools inside the Metadata conversion toolset
Tools inside the Geodatabase administration toolset
All Coverage tools Tools which create packages
Graphing tools (64-bit geoprocessing only; these tools work in traditional 32-bit background processing)
Custom script, model, or function tools where the author has disabled background processing
Just install the 64-bit geoprocessing addon for your version of ArcGIS (you need to be running v10.1 or later) and enable background geoprocessing under the Geoprocessing > Geoprocessing Options menu.
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Thanks Dan C, I'll install the addon, and I'll comment later. Commented Apr 5, 2016 at 17:24
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2Try ArcGIS Pro (As 64 bit application) pro.arcgis.com/en/pro-app/get-started/…– Mapperz ♦Commented Apr 5, 2016 at 17:42