If you're seeing a blue box next to the 'Read Only' Attribute it is NOT set. A check mark will appear in the 'Read Only' attribute box if it is set.
Why do you think 8GB is too much space? My LR Previews folder is 21.5GB and I have 382GB of image files imported into LR:
21.5 / 382 = 5.6%
5.6% is not significant disk space utilization in my opinion considering the benefits of 1:1 previews.
How many GBs are the actual images files you have imported into LR?
I am running on a 128GB SSD, so I would like to control disk space usage. Also, I had already checked that link, I tried what was suggested and it didn't help. Thanks for your suggestions.
Do you have a disk in your computer other than that smallish SSD? If so, you could place your catalogue (and its associated preview cache) on that drive. I personally run with my catalogue on the same disk as all of my master images, and LR performance is snappy.
I'm using a 256GB SSD for OS, apps, LR Catalog & Previews, and Camera Raw Cache and 2TB HDD for all media files. Previously I had the LR5.5 catalog and previews on the 2TB HDD and LR's performance is about the same. You can keep the Camera Raw Cache on the SSD, which may help performance in the Develop module.
If you still want to keep the catalog file on the SSD there is a way to move the Previews folder to a 2nd drive using Link Shell Extension :
hero jig wrote:
I have my previews on dropbox and the wife is currently using them on her office junket abroad.
Why do you have your LR preview files on dropbox and how is your wife using them? These are temporary files used in the Library module to display your image files with LR's Develop settings applied.
trshaner, my tutorial for sharing previews and camera rolls on dropbox will be published this week on CreativeCow.net, but it is possible to share your previews, and then whomever can access them on the road. Smart previews (actually tiny DNG files) can then be exported by another LR user for posting on social media sites and for emails, etc. It's a cheap iCloud system without getting Apple involved. I promise to link the tut here when posted on CreativeCOW, if that's allowed...
PS> I am interested in the OP's problem, as if I can't easily delete smart previews, then my system gets complicated (and so does the tut). I only share the smart previews that I know other users need, as Dropbox is limited for some GB-wise. But my test lib of 27K items only generated a "base" preview size of 1GB. As you then start creating Smart Previews, the size of the share goes up, so that's why I am selective, and need to flush them when not needed.
Thanks trshaner for posting the link to the clarification on 1:1 previews not being discarded!
This eeeehm feature had me puzzled. It still has actually
Here I was, thinking I was actually in charge of my catalog settings... silly me.
There's no such thing as a free lunch and Library previews are the "overhead" required to support a non-destructive editing environment. I have 'Automatically Discard 1:1 Previews set to 'Never,' which means there is a 1:1 preview for almost every image file in my LR catalog. As mentioned in my previous post:
My LR Previews folder is 21.5GB and I have 382GB of image files imported into LR:
21.5 / 382 = 5.6% Library Preview Storage Overhead
I'm running Windows 7 64 bit with the LR5.5 catalog & previews (22.5GB), Camera Raw Cache (13.6GB), Design Standard CS6, and many other applications on a 256GB SSD (Crucial MX100 $115). I still have better than 1/2 of the drive free.
1) Add a 2nd SSD or replace the current SSD with a larger one.
Cost: Time to clone drive if replacing and ~$115 for a 256GB SSD
2) Move the LR Previews folder to your image file HDD:
Cost: Some time to implement, $0, and almost no LR performance penalty.
3) Move your entire LR Catalog + Previews Folder to your image file HDD, as suggested by Hal in his post above.
Cost: Simple solution, $0, and almost no LR performance penalty.
I have absolutely no problem with the "overhead" ...
For me it´s just the weirdness of discarding something that does not get discarded because of some undocumented design choice :-)
I agree Adobe should offer the option to delete 1:1 previews regardless of standard preview size. I'm guessing Adobe restricted this ability to help prevent performance issues. If you delete the 1:1 previews and the standard previews don't support the Loupe Zoom view size you are using LR will have to rebuild the preview for every image file. This can make browsing images in the Library module very slow (i.e. 'Loading' spinning beachball) until previews have been rebuilt for all images in your catalog. IMHO the 5% to 10% reduction in storage space isn't worth the loss of Library module performance. If you really are restricted by local storage capacity consider using Smart Previews.
Ron van Middendorp wrote:
something that does not get discarded because of some undocumented design choice
To be clear: they're not getting discarded because of a bug. They may not stay discarded because of the design..