MacOS Sequoia's com.apple.mediaanalysisd directory cache files occupy a lot of disk space

Some MacOS Sequoia users have found that the com.apple.mediaanalysisd directory in MacOS systems consumes a lot of disk space due to cache files.

If you find that your Mac disk space is reduced after installing or updating to MacOS Sequoia, an oversized com.apple.mediaanalysisd cache file problem may be the culprit. Many Mac users report that the directory is full of 15GB or more data, and some even point out that there are 50GB, 80GB, or even 140GB cache files that fill the user's entire disk drive.

Let's review the role of this directory and how to restore disk storage space.

What is com.apple.mediaanalysisd?

You may be wondering, what exactly is com.apple.mediaanalysisd?

The com.apple.mediaanalysisd directory (usually located in ~/Library/Containers/com.apple.mediaanalysisd/) holds the cache file of the mediaanalysisd daemon.

The mediaanalysisd process runs in the background and when the Mac is not in use, it analyzes images, media, and videos from the photo library for object and facial recognition. For some Mac users, the com.apple.mediaanalysisd directory is filled with several GB of cached .bundle files.

How to fix the issue where com.apple.mediaanalysisd takes up Mac storage space

While sometimes you can simply restart your Mac to recover the bloated mediaanalysisd cache storage space, this doesn't work for everyone.

Before doing this, it is best to back up your Mac with Time Machine. To save disk space, the following instructions will guide you to delete cached files in the com.apple.mediaanalysisd folder. If this directory does not take up too much disk capacity and does not limit your Mac storage space, you do not need to do this.

1. Backup Mac

2. In Finder, drop down the Go to menu and select Go to Folder (or use Command Shift G for Go to keyboard shortcuts)

3. Enter the following path: ~/Library/Containers/com.apple.mediaanalysisd/Data/Library/Caches/

4. Press Return

5. Use the list view or select it and use the "Show Introduction" (Command i) or Quick View (Space bar) to confirm whether the "com.apple.mediaanalysisd" directory takes up an exceptionally large amount of storage space

6. Select and drag the com.apple.mediaanalysisd folder to the Trash

7. Right-click "Empty Trash" to empty the Trash to restore disk space

After the trash is emptied, your disk space will be restored.

What happens after deleting a folder?

You may find that the photo application may need to rebuild the photo library, and that you may trigger various facial recognition, object recognition, and other detection and machine learning tasks.

This also means you may delete the large cache folder, but will find it bigger again after a while.

One Apple discussion board user reported up to 140 GB of medialysisd cache files on their Mac, and another Rumors forum user reported 80 GB of cache files, which was also mentioned several times in Stack Exchange, Reddit, MacRumors forums and the official Apple Support Forum. The prevalence of this problem is unclear, and it is unclear whether it is a specific feature or combination of settings that triggers the huge medialysisd cache folder or is it just a bug.

It is worth mentioning that some users reported that the problem was resolved after updating to MacOS Sequoia 15.2, but some users only noticed this issue after installing the MacOS Sequoia update (and I myself, I noticed that my Mac had insufficient disk space and found a 50GB mediaanalysisd cache file, which I cleared and rebuilt another 20GB a few weeks later). Be sure to install any available MacOS Seqouia system software updates, as the update will likely resolve this issue.

Have you ever encountered the problem that the "com.apple.mediaanalysisd" cache directory takes up a lot of storage space on your Mac? Have you deleted the cache file? Do they reappear after a while? Have you found another way to resolve this issue with MacOS Sequoia? Please share with us in the comments.

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