Lightroom CC: Change sync file location

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  • Updated 1 year ago
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LR sync file for an iMac in the Library/Cache folder. In troubleshooting a problem, Apple cleaned out the cache files to improve performance. That wiped out my sync file ... 40,000 images. Storing system files in the cache folder is a misuse of cache. It would be better to store the sync file in the same folder as the catalog.  Less error prone.
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Chuck Hunnicutt

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Posted 1 year ago

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Todd Shaner, Champion

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You can move the Camera 'Cache' folder to what ever location you want. Copy the folder to the new location and then select it using 'Choose' as shown below. You can then delete the original Camera Raw Cache folder.

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Victoria Bampton - Lightroom Queen, Champion

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The Sync.lrdata file I think you're referring to is just a cache - it holds a local version of the cloud's database for the catalog to compare against. If it gets deleted, it's recreated from the cloud the next time you open Lightroom and let it sync.
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Chuck Hunnicutt

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Victoria, you are correct.  But I have ~40,000 images synced.  It took 3 days for the resync and rebuild to complete.  Painful.  The LRSync file should be in the same folder as the catalog and then the error could be avoided.
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Chuck Hunnicutt

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Todd.  The Camera cache file is not the same as the LRSync file stored in cache
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Todd Shaner, Champion

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Understood, but the Camera Raw Cache files are located in the same Library/Cache folder.  They will also be deleted if that folder is purged. Moving it will prevent that from happening in the future. The deleted Camera Raw Cache files will be rebuilt as you view and edit image files in the Develop module. This will cause a small additional delay in the Loupe preview rendering until the new cache file has been built for each image.