Yesterday I installed Lightroom Classic CC (v7.4) as a trial on a 2014 Macbook Pro running High Sierra. As a test I'm importing about 1300 images (mostly JPG, some PNG, no raw) and about 50 Quicktime movies. Total size of the import is about 14GB. All from Apple's Photos and going to a Synology NAS. Ultimate goal is to import a much larger (20 times larger) set of photos, but I thought it wise to take a few baby steps before attempting that. In particular what I did to perform the import is: use Lightroom Classic to create a folder on the remote NAS perform a test - copy 5 photos (already imported in Lightroom) from the local drive to the remote folder to make sure LR can write to the remote folder (yes, it worked, so I more confident about continuing) In the Finder, right click the "Photos Library" and "Show Package Contents" find the "Masters" folder inside the package, and drag that folder onto Lightroom Classic (which opens the Import dialog) Make sure the "Import" settings are set to use the remote folder as the destination. Start the import as a "Copy" without conversion to DNG. And here's what happened. For about an hour the import made slow but steady progress. The progress bar at top left was moving, and the Catalog statistics for "All Photographs" and "Current Import" were increasing. After about 90 minutes elapsed the import stopped making further progress. The "All Photographs" count was 1086, and "Current Import" was 291. The MacOS Activity Meter showed Lightroom consuming 100% CPU. Now over two hours elapsed and the progress bar hasn't advanced at all. The "All Photographs" count is still 1086 and "Current Import" still 291. Activity Meter still showing Lightroom consuming 100% CPU. Checking the admin interface on the NAS, and I can see it's idle. No inbound traffic coming from Lightroom or anywhere else. No outbound traffic either (because I've paused all folder syncing to the cloud), and minimal CPU activity. I spot checked the 1000 or so photos that have imported and everything appears intact. However I noticed none of the PNG files in the Photos library were transferred. Which is confusing because I thought PNG was a supported format, and anyway there is no alert or warning (yet) from Lightroom saying some of the files could not be imported. So while I sit and wait to see what happens, I searched these forums and found lots of general "slow import" questions but no concrete answers. So I'll try some other specific questions: Is it typical for imports to "stall" for long periods of time like this? Is there any way to get more detailed information (like a logfile or something) that says what Lightroom is doing right now? It's hogging 100% CPU so presumably there's some legitimate reason. Is it making smart previews? Is it doing Catalog management? Is there some other workflow that would be faster ... for instance can I just copy the "Master" to the NAS using the Finder, and then somehow import the images into the Catalog without physically moving them over the network? Is there a FAQ for all of this? I haven't found one anywhere. Thanks everyone-
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