Lightroom Classic: Performance problem pasting Develop settings on embedded imports

  • 2
  • Problem
  • Updated 10 months ago
  • (Edited)
Method:
* Import a dozen photos w/Embedded-preview only
* Develop the first one, set everything from exposure to lens correction (That works fine, very responsive)
* Out of Develop mode, Copy Develop setting
* Select remaining 11 photos, Past Develop Setting

This is where it turns pear-shaped. The "Applying Settings" Progress bar takes about 30 seconds per image on a i7-8700k @ 5.0GHz w/SSD, and still doesn't update the preview. You then need to click on every image for it to generate a new preview, and that takes another ~30 seconds, no progress bar or anything to allude to what it's doing, and the preview will be very low-res - so it will appear as though the Paste didn't work and LR has now locked up.

I would hate to think how this performs on a lower model PC... Was a significant waste of time on mine (which is almost as fast as you can get, currently) - 10 minutes to just basic-dial in a set of shots.

LR Classic CC 8.0
Photo of k b

k b

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  • frustrated

Posted 10 months ago

  • 2
Photo of Simon Chen

Simon Chen, Principal Computer Scientist

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It seems that you want to import with minimal preview option. The import with embedded preview option tries to avoid rendering the thumbnails when it is absolutely necessary.