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Is there a RAM-Limitation in LRC?? (Version 12.3)

Community Beginner ,
Apr 25, 2023 Apr 25, 2023

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Hardware: Ryzen 9 5950x; 64GB RAM; AMD RX 6950 XT
I often shoot larger panoramas with my Nikon Z7II (48MPix). LRC can create the first pano from e.g. 15 images. The RAM requirement is huge - usually more than 40GB. Unfortunately, after the pano is created, the RAM is not emptied.
If I want to create another pano, I can edit it, but I can't merge it. Regularly at around 42GB of RAM, LRC stops working. The message appears that the pano cannot be stitched together.
If I restart LRC and create this last pano again, it works fine. However, I have to restart LRC before every Pano. Two questions about this:
1. I have 64GB of RAM available. How can I tell LRC that more than 42GB can be used?
2. Is there a setting that allows the required RAM to be released again after pano creation?
Thanks for an answer and best regards

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Community Expert ,
Apr 25, 2023 Apr 25, 2023

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Adding more data points...

Windows OS?  Which version?

How big is the OS paging file?

 

 

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Community Beginner ,
Apr 27, 2023 Apr 27, 2023

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Windows 11 Pro, newest Version and Updates

paging file 2GB

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Community Beginner ,
Apr 27, 2023 Apr 27, 2023

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And 2 of the fastest posible SSD at the time: 

2TB WD Black SN850X

2TB Kingston FURY Renegade

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Enthusiast ,
Apr 27, 2023 Apr 27, 2023

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Hi.

I don't think it's about memory.

You are probably just hitting resolution limit, which is 65000 pixels for each side and 512MP at maximum.

https://helpx.adobe.com/ua/lightroom-classic/help/supported-file-formats.html 

 

Lightroom does not support the following types of files:

  • Adobe Illustrator
  • Nikon scanner NEF
  • Files with dimensions greater than 65,000 pixels per side or larger than 512 megapixels.

 

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Community Beginner ,
Apr 27, 2023 Apr 27, 2023

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I'm sorry, I don't understand your answer. If I can reassemble a pano after restarting LRC, then I'm not exceeding any resolution limits - otherwise it wouldn't work at all.
Please read my questions again. It's not clear to me why 1. LRC doesn't free up RAM memory after a pano and 2. LRC can't use all RAM memory.

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