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deleting catalog previews lr data

New Here ,
Aug 05, 2022 Aug 05, 2022

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Hi all, 

I've read some posts about deleting catalog previews lr data or the smart previews data. I have a massive problem as mine is taking up 719 gb and my imac is at a standstill. I'm so scared to delete it! I'm halfway through editing a wedding; will all my edits so far be lost? All images are backed up on EHDs. 

 

Any thoughts? I realise I need a major rethink re how I deal with files going forward. I have been deleting 1-1 previews in collections but makes little difference. 

 

Many thanks 🙂

 

 

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Community Expert ,
Aug 05, 2022 Aug 05, 2022

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While this is a large number of GBs of previews, I don't believe it has any effect on the speed nor why your iMac is at a standstill. Deleting them would not affect your edits which are stored elsewhere (in the Catalog). 

Have you optimized the catalog recently?

This may help:

https://helpx.adobe.com/lightroom-classic/kb/optimize-performance-lightroom.html

Author “Color Management for Photographers" & "Photoshop CC Color Management/pluralsight"

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New Here ,
Aug 06, 2022 Aug 06, 2022

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That's interesting, thank you so much for replying. Atm I cannot even export anything, it's that bad. I haven't ever optimised, I will look at that thanks. 

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Community Expert ,
Aug 06, 2022 Aug 06, 2022

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@Oz girl wrote:

 Atm I cannot even export anything, it's that bad. I haven't ever optimised, I will look at that thanks. 


In System Preferences, >Security & Privacy, >Full Disk Access, do you see Lightroom listed? If not, do add it and try again.
See: https://community.adobe.com/t5/lightroom-classic-discussions/quick-tips-how-to-give-full-disk-access...

Author “Color Management for Photographers" & "Photoshop CC Color Management/pluralsight"

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New Here ,
Aug 06, 2022 Aug 06, 2022

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thank you very much, will look

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LEGEND ,
Aug 06, 2022 Aug 06, 2022

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... and my imac is at a standstill

 

Please describe the symptoms in detail. Some speed issues have nothing to do with disk issues.

 

Also please tell us how much space is free on this disk.

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New Here ,
Aug 06, 2022 Aug 06, 2022

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Thank you it's not much - pic attached 

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LEGEND ,
Aug 06, 2022 Aug 06, 2022

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My web browser is unable to show attachments here in the Adobe forums. Please include your screen captures by clicking on the "Insert Photos" icon.

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New Here ,
Aug 06, 2022 Aug 06, 2022

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Now this 

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New Here ,
Aug 06, 2022 Aug 06, 2022

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7DB40D94-B070-40E8-8D7D-8FD31D012822.jpeg

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New Here ,
Aug 06, 2022 Aug 06, 2022

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BB9E1FF7-AF74-4D87-BC4F-7E5957738A12.jpeg

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New Here ,
Aug 06, 2022 Aug 06, 2022

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It's the documents that are the biggest at 809 gb but cannot work out what they are?

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LEGEND ,
Aug 06, 2022 Aug 06, 2022

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This is not a disk problem at all. This is a memory problem. How much memory do you have in your computer? Also please provide the version NUMBER of your Lightroom Classic and the version NUMBER of your operating system.

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New Here ,
Aug 09, 2022 Aug 09, 2022

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Version 11.6.7 32gb 9.4 release?

 

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Community Expert ,
Aug 09, 2022 Aug 09, 2022

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This is your problem right here, Hard Drive 96.81GB available of 1 TB.

You need at least 20 to 25 % of free disk space for efficient functioning. You are choking your operating system, just my humble opinion.

 

 

Regards, Denis: iMac mid-2015, 5K 27”, GPU 2GB, Ram 24GB, HDD 3TB, macOS 11.7.1 BigSur,; LrC 12.0.1, Lr 6.0, Ps 24.0, ACR 15.0,; Camera OM-D E-M1

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New Here ,
Aug 09, 2022 Aug 09, 2022

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LATEST

thank you so much, yes that is the problem, my issue is can i delete the lightroom preview catalog is seems to be full up with? I've laready deleted all my smart previews and 1-1s?

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LEGEND ,
Aug 06, 2022 Aug 06, 2022

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