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Can I Delete Library Caches On Mac

01.06.2020
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You can delete app cache on Mac in the same way as user cache, by going to /Library/Caches and removing the insides of the folders with the app name. Proceed with caution! Not all app cache can. Yes, it is safe. That said, don't just delete all the contents of your cache folder without reason. It can be beneficial to clear out those taking up the significant space in your /Library/Caches/ if you need to free some up, but you really shouldn't clear any contents of your /System/Caches unless there is a problem. As would be expected, you will find that the programs you access most often have the largest cache size.

In Final Cut Pro, you organise your work in libraries. A single library can hold multiple events and projects. A library can also hold the media and Motion content used in your events and projects. You can move your library to an external drive to save space on your Mac, to edit your project on another Mac or to collaborate on your project with others.

Prepare to move your library

Before you move a library, be aware that the source media files linked to the clips in your project and Motion content may not be located in the library you want to move. If you want to open the library on another Mac for editing or collaboration, you should consolidate the media and Motion content in the library you want to move. That way, you'll have all the content you need to work on your project on another Mac.

If you plan on opening the library on another Mac, you'll have to install any third-party plug-ins and special fonts on the other Mac. Moving your library to another Mac doesn't move your third-party plug-ins and special fonts. Make sure that each plug-in is compatible with the versions of macOS and Final Cut Pro on the other Mac.

Prepare your drive

You can store libraries on an external storage device such as a USB drive, FireWire drive or Thunderbolt drive formatted as APFS or MacOS Extended (Journaled).

You can’t store your library on an external drive or other disc used for Time Machine back-ups.

Remove generated files

Final Cut Pro creates generated files such as render files, optimised files and proxy media files in the background while you’re working on a project. Before you move a Final Cut Pro library, you can delete generated files to save space. Final Cut Pro regenerates render files the next time you open and work on your project. If you delete optimised and proxy media files, you'll have to regenerate them manually when you reopen the library.

  1. To see how much space generated files take up, select the library in the Libraries sidebar, then scroll to Cache in the Library Properties window.
  2. Choose File > Delete Generated Library Files.
  3. To save the most space, select all options, then click OK.

Move a library

After removing generated files, move the library.

  1. To locate the library file, select the library in the Libraries sidebar, then choose File > Reveal in Finder. A new Finder window opens with the library selected.
  2. Quit Final Cut Pro.
  3. In the Finder, drag the library file to your external hard drive.

Consolidate media

If you’re moving a library to work on a project on another Mac, you may want to consolidate source media files and Motion content in the library you’re moving. Consolidate media after you've moved the library.

  1. To show the Libraries sidebar in Final Cut Pro, choose Window > Show In Workspace > Sidebar or click .
  2. In the Libraries sidebar, select the library you want to move.
  3. In the Library Properties inspector, click Modify Settings.
  4. For the content you want to save with the library, choose 'In Library' from each pop-up menu, then click OK. If you created any custom Motion effects, transitions, titles or generators, make sure that you also set the storage location for Motion Content to 'In Library'.
  5. In the Library Properties inspector, click Consolidate in the Media and Motion Content sections.
  6. To view the progress of the consolidation, choose Window > Background Tasks.
  7. When consolidation is finished, double-click the library file in the new location to open it in Final Cut Pro.*
  8. If you want to save space on your Mac, make sure that the library you moved contains all your media, then drag the original library file on your Mac to the Trash.

* If you see a missing item alert icon, you may need to relink clips.


Delete caches and save disk space 17 comments Create New Account
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The following comments are owned by whoever posted them. This site is not responsible for what they say.
I've been a fan of the free JDiskReport for finding files and folders sitting there taking up space.

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zs

Additionally, you can also mark photos as favorites with one click, which in my opinion is an improvement over the rating system used by iPhoto.Then we have the contextual buttons that show up at the top of each group. These include. . Icloud photo library apple tv.

For an Intel equivalent of the disk space usage, try Disk Inventory, also free.
Also, to skip the typing everytime & for a graphical interface, these options are available in both maintenance tools of Onyx and iTweax.
The heavier-duty Onyx actually doesn't indicate the amount used by the Cache, which the light-weight iTweax does.

I recently recovered 5 gigs of hard drive space using Tiger Cache Cleaner. My iBook also starts up and runs noticeably faster now.

$ du -k ~/Library/Caches/ sort -n
Great for spotting where that space is going
(you may need to sudo it)
$ sudo -k ~/Library/Caches/ sort -n > du_cache.txt
to get a text file

I tried this:
Doesn't work..

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Father of Jeremy Logan

I meant to add, that I want to add something like this to my ~/.bashrc:

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Father of Jeremy Logan

just use a . (ie. period) in place of pwd.. and no quotes. FYI: in unix the . stands for the current directory and a . stands for the parent directory.

It's easier than that!
du -k sort -n
du defaults to the present directory

A good start to analyse your file system is WhatSize, an all-mac program, universal binary, small, fast and free.
(Comparable to TreeSize on Win-Systems)
-- brf
AppleJack, among other things, will clean both system and user caches, as well as feed the pets and repair your permissions. Welll, maybe not the pets thing, but it is a lovely program.

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Adam C.

I'm not sure if this hint has been posted before but if you get info on each application file there are installed language options. I went through all of my apps and deleted all of them except english. Most times this will halve the size of the app. Apple is notorious for installing 12 different languages for each app. I believe there is an apple script that does this automatically too.

Can I Delete Library Caches On Mac Computer

Just be careful about deleting some application localizations. Some applications may have dependencies to those localizations. Some time ago, I remember a problem when someone tried to delete localizations, and they ended up having to reinstall that application.

Yep, certain apps can mysteriously misbehave after you've deleted their language localization files. And Apple software updates can reinstall ones you've deleted so it's not necessarily a one-time removal routine.
I don't see any reason to risk removing those files unless reclaiming disk space is a necessity and there are no safer alternatives.

I can recommend Monolingual (monolingual.sourceforge.net), a neat little software that does just that - removes language resources you don't want/need. I've been using it for a couple of years now without problems (making sure never to remove any of the English varieties (my system language).
Anders

Can I Delete Library Caches On Mac Download

Just for reference, I will reiterate what has already been said about the long-term importance (or lack there of) of files in the ~/Library/Caches directory.
Recently I discovered a bug in an application (the producer of said application was 'some kind of fruit company' who shall remain nameless), and the top level tech that I was working with confirmed that its no big deal to delete the contents of the ~/Library/Caches directory.
I'm not advocating that you empty the directory and then lock the folder so that it can never be populated, nor am I advocating that you empty the directory at all. I'm simply stating that you can empty the directory and its not a big deal.
If your Caches folder is out of control, then you should think about some sort of cleaning.
For comparison purposes, here are the current sizes for my (Mac OS X created) Caches folders:
/Library/Caches
24.7 MB
/System/Library/Caches
11.6 MB
/private/var/root/Library/Caches
16 KB
~/Library/Caches
80.2 MB
The oldest directory within the ~/Library/Caches directory was modified Apr 4 2006.

I'd be cautious deleting ~/Library/Caches/Metadata because it contains Spotlight proxy files used by iCal, Safari, and other apps. Something will eventually trigger those files to be regenerated but before that happens Spotlight searching may be temporarily crippled. I discovered that awhile ago with Safari bookmarks and eventually deleted and restored the Bookmarks.plist file to force proxy files to be rebuilt after other methods had failed to do it.

First, a true confession: Until very recently (i.e. today) I didn't know about the need to periodically delete the cache and as a result, mine was gigantic.
I deleted the cache by dragging it into the trash and then emptying the trash. Then I told the computer to restart. I understand it takes awhile to rebuild the cache, but I'm not sure what 'awhile' means. It's been almost 2 hours now and I'm wondering if that's normal for the (gulp) years worth of stuff that was stored in my cache. How many hours should I let this continue before taking some other action?
Thanks for your help.