Out of storage by massive cache file attributed to CloudKit

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Level 1

4 points

Out of storage by massive cache file attributed to CloudKit

I have been using my MacBook Pro, and suddenly almost every month, I run out of storage space.

Out of 1TB, I have free just 4GB. All that space is taken by a temporary file located in the folder MMCS, which is related to the CloudKit.

Every time this happens and I need to use the storage; I have to go and delete that cache folder manually to free up almost 740GB of space, in my case. (223GB all my data at this moment)

This situation does not seem right, it should be a limit of storage use for cache files and should not take the whole storage. Also, why I should go that deep and delete something that I don't know what it is to use my laptop properly. Apple support could not explain me well what is the origin of this temporal files and why they are taking almost all the free storage.

What can I do to fix this Bug?

MacBook Pro

Posted on Nov 1, 2022 4:25 AM

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Answer 1

a brody

Level 10

85,273 points

Nov 1, 2022 6:38 AM in response to PerroAzul2

iCloud in your system preferences should be set to backup certain things. Keep in mind if you are mirroring your entire iPhone or iPad into iCloud, it will be reflecting on your Mac too as additional space used.

Are you trying to share data between your iDevice and your Mac? Do you have a paid iCloud large account?

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Answer 2

PerroAzul2 Author

Level 1

4 points

Nov 4, 2022 4:41 PM in response to a brody

Currently, I am not mirroring any device, just have a copy of some of the information on the iCloud (photos included).

My iCloud account is just 200GB, but the flies on the MMCS folder are more than 350GB each, adding up to around 740GB. Even if I copy the whole space in iCloud, I should not have that massive cache. If so, the system should be able to get rid of it dynamically.

Since I posted this thread on the 1st of Nov, the cache has beed adding 643GB. I have just free for use 94GB out of 1024GB.

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Out of storage by massive cache file attributed to CloudKit

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