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Question

available room on SSD on my Mac mini M1 disappeared quickly

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Hi ---

I am using 13.5.1 on my Mac Mini M1 with a 1 TB SSD. The available space on the drive decreased from 400 GB to 100 GB quickly. I recall having the same issue about a year ago. Possibly related to a Forced Quit of LR which created a very large backup file on the SSD. I was able to delete the backup.

I realize this may not be enough info for a diagnosis. Please let me know what additional detail is needed to find a solution.

Thanks!

macOS

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Lumigraphics

Legend

It could be a lot of things. OmniDiskSweeper or DaisyDisk should show you in detail where the room is going.

For Lightroom Classic, previews will take up a huge amount of drive space, its easy to go over a TB. Consider moving the catalog to an external SSD.

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David RisAuthor

Known Participant

Thank you Lumigraphics, that is a good suggestion. I've already moved the catalog to the same external drive that has my photos. I plan to try DaisyDisk, as OmniDiskSweeper is not finding anything out of the ordinary that is eating disk space.

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David RisAuthor

Known Participant

Thank you! This one is closed. The culprit was the crash report logs. DaisyDisk provided the necessary intel.

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Ricky336

Community Expert

Hello,

If you have done a force quit of Lightroom Classic, then there is a place you can look at. Look in LocalLow folder - Users/your name/ AppData / LocalLow/Adobe/CRLogs and dumps. You just might find a few gigabytes worth of crash files.

You will have to enable Show Hidden items to get access to the AppData folder.

Recently after I wondered where all the space was going I found I had around 95 GB of dump files.

So it could be worth a look there.

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Ricky336

Community Expert

Of course, this is for Windows, but there may be something equivalent for a Mac.

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JohanElzenga

Community Expert

On a Mac these should be in Username/Library/Application Support/Adobe/CRLogs and dumps. I can't check it right now because I type this on my iPad.

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-- Johan W. Elzenga

JohanElzenga

Community Expert

Could be anything and not necessarily related to Lightroom Classic at all. The first thing to check is the cache folder:

Users/YourUserName/Library/Caches

Do note that the User/Library folder is hidden by default. Here's how to unhide it: https://helpx.adobe.com/x-productkb/global/access-hidden-user-library-files.html

Another good method of trying to find out is to use an app like DaisyDisk.

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-- Johan W. Elzenga

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David RisAuthor

Known Participant

Thank you Johan,

I use OmniDiskSweeper which is somewhat similar to DaisyDisk. (which looks very interesting to me, so I will be adding it to my toolkit later.)

I looked in the folder: Users/Myname/Library/Caches/ Adobe/Lightroom/Cache/. "Get Info" showed only about 1 gig in that folder. So that is not the culprit. Should I be looking elsewhere?

Thanks again!

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dj_paige

Legend

Are you talking about Lightroom (Lr icon) or Lightroom Classic (LrC icon)?

I would imagine you should be looking everywhere on the disk.

Where are the photos themselves stored?

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