Lightroom Classic almost unusable - running so slowly

Question

In the last few months, my Lightroom Classic has become practically unusable. Import is slow, previews render in minutes, not split seconds. I'm moving to a higher megapixel camera and will have to give up on LR soon if I can't find a solution. I've used it since LR 1.0 so it's not unfamiliar to me.

My catalog is on an external SSD plugged into a USB C on the back of the PC. The application is on my internal C drive (1TB SSD) with 55% free space. RAM 64GB. The images are on a Synology NAS. The PC is a Dell Alienware R9, CPU i9-9990@3.1GHz, Nvidia GeForce RTX 2070 SUPER 8GB, running Win 11 Pro.

My catalog contains about 360,000 images.

I've read many pieces of advice on the topic on adobe.com and elsewhere and am getting nowhere. So, this site will hopefully give me new sets of eyes on the problem and come up with something I haven't tried yet.

I just ran "Find all missing photos" and got about 42,000. So, obviously, that's a problem to tackle - but what effect would that have on loading the catalog and rendering previews?

TIA for all suggestions.

GoldingD · Answer

My catalog is on an external SSD plugged into a USB C on the back of the PC.    Perfectly Ok, but how much free space in % on that drive?   The images are on a Synology NAS.   This may or may not effect import, when you import, are you selecting to ADD, or to Copy?  Are the images already on the NAS, and you just need to ADD them at import into the catalog?orAre they on your cameras card, and you Copy them at import, locating them (destination) on the NAS? I just ran "Find all missing photos" and got about 42,000. So, obviously, that's a problem to tackle Is this more of a missing folder issue? Instead of fixing the location if image after image, can it be a simpler folder location issue? Lots easier to correct the folder. https://www.computer-darkroom.com/lr2_find_folder/find-folder.htm

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