Deleting two large files from a volume triggered the updating of figures for purgeable and available space within 9 seconds. Yet 6 minutes later, the Finder didn’t show those updated figures.
APFS
One volume has 60 GB of purgeable space, giving 295 GB available; the other has only 15 GB purgeable, so 250 GB available. How can they be in the same container?
Save space on your storage and backups by removing all copies. But does it work if they’re APFS clone files? And does that housekeeping utility detect clones for you?
Performed by CacheDelete, it first looks at a wide range of macOS caches, and only at the end purges snapshots, to free up space when it runs short.
Good space management doesn’t bring new emoji, but it makes a big difference when the Finder doesn’t give completely inaccurate figures for Available space. A practical demonstration of its gross errors.
Can we trust the figures the Finder provides for used and available space on a volume? What does it count as purgeable?
When the Finder works out how much space is available on disk, what does it count as being “purgeable”? The answer may surprise you.
The Finder reported free space had risen by over 80 GB, that’s more than 50%. It looked like something had wiped some of my media libraries.
Here’s an APFS (Encrypted) volume that isn’t encrypted, and an unencrypted volume with FileVault active. Something must be wrong.
Why should you trim an SSD? How to tell whether an SSD needs trimming, finding out whether it has trim support, and whether it does trim.
The Eclectic Light Company 