Lightroom Classic 7.2: Import Stalls and also fails to get all Images

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  • Updated 4 months ago
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This conversation has been merged. Please reference the main conversation: Lightroom: Multi-User / Multi Computer (Shared catalog on a network)

When importing large numbers of images (4000+)  from a folder structure on Synology NAS, Lightroom import stalls at somewhere past 90% on the progress bar. Same thing happens on Windows 10 and OSX High Sierra. Lightroom still appears active and is using 100%+ CPU on Macbook, 30%+ CPU on Windows 10

 Have disabled spindump and tailspind on Mac to avoid deadly embrace when Lightroom uses a lot of CPU, so it's not that.

If I stop the import and try either import again or synchronize folder, it may add a few more images before stalling again. I don't think it is a particular image, because it happens on more than one source folder structure.

By way of example - I have a folder with multiple subfolders and around 7k images.




The screenshot shows the Lightroom data for the folder after import and for Adobe Bridge.

The Adobe Bridge data matches the output of a shell script query to find the numbers of each type of files. Lightroom thinks there are 1035 RAW files and 4369 JPEGs - adding the 1483 shown in the Lightroom Synchronise dialogue above would give 5852, which is close to the (correct) Bridge JPG count. However, if I click Synchronise, Lightroom shows a wait cursor for a while and then shows 0 files to import.

 "Ignore suspect duplicates" in import is disabled and "treat JPEGs next to Raw Files as separate photos" is ticked in Lightroom preferences. (I get the same result if I try an Import/Add as I do if I try the synchronise.)

I get this on both Windows 10 PC and on Mac, although the import numbers on the PC differ slightly from the Mac, (PC finds 5508 images on the same folder structure as opposed to 5511, but also shows 1483 to be imported to synchronise).

I get this behaviour on a range of folder structures on the Synology.


I have tried selecting images, dragging and dropping from Bridge on the Lightroom import dialog and provided you do it a folder at a time, selecting images, Lightroom gets all the images. If you drag and drop a folder it goes back to the Lightroom image retrieval behaviour with stalling and missed images. This use of Bridge, may seem to offer a short-term workaround, but when working with many tens of thousands of images, as I am, in complex folder structures, it's not really a workable proposition.
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Paddy Boocock

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Posted 4 months ago

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