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Lightroom Library.lrlibrary and Mobile Downloads.lrdata File sizes

Community Beginner ,
Jun 14, 2018 Jun 14, 2018

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I've searched the online docs and forums for this issue and I find similar discussions/replies, but not exactly my issue.  I use LR Classic CC Lightroom CC.

I have about 43GB of files in the CC cloud, but this Lightrooom Library.lrlibrary file is 90 + GB on my Macbook's HD.  I looked at the settings for the photo cache and it was set to 25% with no local storage.  I reduced that to 10%.  Shouldn't this .lrlibrary file shrink down?  Why is the local file twice the size of my cloud storage? Is there anyway to reduce this fie size?

I also have a file called mobile Downloads.lrdata that is 30 + GB.  I have some folders in Classic that appear to be mobile downloads, but not anywhere near 30 + GB.  Why is this file so big?  Is there anyway to reduce this file size?

Sorry if this has been answered before, but I cannot find any answers suitable to my situation.

Any thoughts you may have are greatly appreciated.

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correct answers 1 Correct answer

LEGEND , Jun 14, 2018 Jun 14, 2018
The default cache in LRCC 1.3 is managed intelligently (as long as store a copy locally is not enabled) but it can sometimes take a while for files to drop out, after import or migration.But you can clear the originals manually once you are happy that everything is backed up in the cloud.Go to your Pictures folder and right-click (control-click) on Lightroom Library.lrlibrary and choose “Show Package Contents”You should find a folder with a long string of letters & numbers. Navigate to the folde...

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LEGEND ,
Jun 14, 2018 Jun 14, 2018

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The default cache in LRCC 1.3 is managed intelligently (as long as store a copy locally is not enabled) but it can sometimes take a while for files to drop out, after import or migration.

But you can clear the originals manually once you are happy that everything is backed up in the cloud.

Go to your Pictures folder and right-click (control-click) on Lightroom Library.lrlibrary and choose “Show Package Contents”

You should find a folder with a long string of letters & numbers. Navigate to the folder with originals and you should see files in dated sub-folders.

It is safe to trash everything in Originals.

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Community Beginner ,
Jun 14, 2018 Jun 14, 2018

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So this is excellent and worked as advertised.  My very crowded hard drive thanks you.

Do you know if I can do the same thing to the mobile Downloads.lrdata file?

If you know, will the .lrlibrary file perform more intelligently now?

Thanks very much for the excellent answer!

Jeff

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Community Beginner ,
Apr 04, 2020 Apr 04, 2020

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This ended up being terrible advice for me. Yes, my hard drive recovered 81gb. But, even though the files were indeed synched with the cloud, it deleted them off of LR on my computer. I am now getting an error message saying that many of my files are invalid.

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LEGEND ,
Apr 04, 2020 Apr 04, 2020

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Maybe you were storting copies locally rather than using the default library. Check your preference settings.

 

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New Here ,
Feb 26, 2020 Feb 26, 2020

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THANK YOU!!

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Community Beginner ,
Apr 06, 2020 Apr 06, 2020

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I have the shared locally box unchecked. Is there a different way that it may have been storing locally that I am not aware of?

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LEGEND ,
Apr 06, 2020 Apr 06, 2020

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In that case I’m not sure why you are seeing any errors. You can check what originals are stored in the cloud by logging-in using a web browser.

https://lightroom.adobe.com/

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New Here ,
Jun 18, 2020 Jun 18, 2020

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Is there a way to avoid saving more originals to my disk space? Or do I need to remember to delete the originals on occasion? I don't have any of the preferences selected to save items on my computer.

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LEGEND ,
Jun 19, 2020 Jun 19, 2020

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Originals should drop out automatically although this sometimes happens more slowly than expected. After importing new photos I generally delete the contents of the originals folder once cloud sync is complete and I’ve finished all my editing, notably checking focus and sharpness etc.

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Explorer ,
Jan 21, 2021 Jan 21, 2021

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I was having the same issues and appreciate LEGEND answer - I checked the original folders and noticed that mine were files I had deleted. So just in 2020 that was almost 20Gb of unneeded files. Thanks - this saved me a lot of HD space!

 

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New Here ,
Apr 08, 2021 Apr 08, 2021

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Thanks so much for this. Just got back half my HD back!!

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