FileProvider / Propagate Folder / Filling Up Hard Drive Space

For the past few months, my hard drive seems to be randomly start filling up with "Application Data" or "System Data," which leaves me no room on my hard drive (i.e. iCloud offloads everything to the cloud). The culprit to be:

~Library/Application Support/FileProvider/404BE2CF-DD64-4F89-8946-8BD8401DA6EE/wharf/wharf/propagate

The "propagate" folder keeps populating with tons of text files labeled like "21618159".


I originally thought it was related to Google Drive trying to mirror files onto my hard drive, but I don't have Google Drive, Dropbox or any other cloud service besides iCloud connected/installed to my local hard drive anymore.


Can anyone explain what is going on and what a solution might me?





MacBook Air

Posted on Jan 8, 2024 3:11 PM

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Posted on Jan 22, 2024 11:56 AM

Eric, I ended up talking with senior support at Apple and they were able to diagnose my particular issue. In a nutshell, iCloud doesn’t like it when you store Logic Pro X (and I think Final Cut Pro) files onto it. For instance, I use iCloud storage to backup my desktop/documents folders. When those LPX/FCP files are saved in those locations under iCloud locations, it starts populating those random data files in the Library/Propagate folder. If you remove or transfer all LPX/FCP files to a location other than iCloud, then the data file populating should stop. Once you’ve moved them, you can delete those random data files from the propagate folder taking up space on your hard drive. Hope that helps!

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Jan 22, 2024 11:56 AM in response to Eric_in_North_Texas

Eric, I ended up talking with senior support at Apple and they were able to diagnose my particular issue. In a nutshell, iCloud doesn’t like it when you store Logic Pro X (and I think Final Cut Pro) files onto it. For instance, I use iCloud storage to backup my desktop/documents folders. When those LPX/FCP files are saved in those locations under iCloud locations, it starts populating those random data files in the Library/Propagate folder. If you remove or transfer all LPX/FCP files to a location other than iCloud, then the data file populating should stop. Once you’ve moved them, you can delete those random data files from the propagate folder taking up space on your hard drive. Hope that helps!

Jan 24, 2024 3:21 PM in response to Micah Ri

Micah: wanted to thank you again for responding to my original post. I was at a total loss. Inspired by your explanation of your own challenge, I was able to figure out what file was causing the problem and fix it without consulting Apple. Your taking time to comment on a problem that you had already fixed helped me fix my underlying problem and iCloud now working perfectly and as designed. Thanks so much. My 'four days of ****' are over!


Wanted to post this update in case someone else reads this thread in the future. First the issue. Turns out I had a file that caused problems for syncing iCloud. This happened suddenly and without warning, perhaps related to an update in Sonoma (I don't know the actual cause). The symptom was my machines were creating files that were saved locally into a folder Macintosh SSD>Users>[my name]>Library>Application Support>FileProvider>[a really long alpha numeric string]>wharf>wharf>propagate.


Library is a hidden folder, but I knew the trick to unhide folders and did it (Press the Command + Shift +. (period) keys simultaneously).


About every 12 hours I got over 1 terabyte of data on my desktop hard drive. Was made up of files and folders. Going through the folders I noticed it was apparently the same 20,000+ pdf files which were scans taken with a particular program. The folder size was approximately equal to the default data file I was using for current activity with that scanning program. The suffix on the data file was "nrmlib".


To fix, I moved the offending file one folder 'down' to store it with other files with the same suffix that were not causing a problem. Originally it was in iCloud Drive>Documents; I moved it to iCloud Drive>Documents>[a file name describing the old files].


Took a couple of hours to work it's way through, but stopped getting files dumped into "propagate" (I think the delay because I had not emptied the Trash -- a later deleted copy that was created in the process I used to move the file, but not sure if that's why it took some time).


Perhaps the type of shielding I did to the *.nrmlib file will work for the files that caused you the same problem.

Feb 17, 2024 8:42 AM in response to markus153

Ich habe Google Translate (translate.google.com) verwendet, um diese Antwort zu geben. Ich empfehle Ihnen, die anderen Beiträge zu kopieren und in Google Translate einzufügen.


Die schnelle Antwort lautet: Sie können die Dateien löschen, die sich im Ordner „Propagate“ befinden. Dies gelang mir ohne Probleme. Stellen Sie sicher, dass Sie den Papierkorb leeren.


Wenn das zugrunde liegende Problem jedoch auch nach dem Löschen weiterhin besteht, wird es neu generiert und Sie werden kontinuierlich löschen. Ich habe über einen Zeitraum von 12 Stunden trotz mehrmaligem Löschen mehr als 1,2 Terabyte generiert.


Ich empfehle Ihnen, im Ordner „Propagate“ nachzuschauen, um herauszufinden, was das Problem verursacht. Sie haben OneDrive erwähnt. Das könnte die Quelle sein.


Bei den vorhandenen Beiträgen in diesem Thread handelte es sich um einen bestimmten Dateityp. In meinem Fall handelte es sich um eine Datei, die iCloud plötzlich nicht mehr mochte. Als ich es bewegte, hörte das Problem fast sofort auf. Das Gleiche gilt für das andere Poster, Micah, nur ein anderer Dateityp.


Sie müssen das fehlerhafte Material verschieben. Ich konnte die Datei in einen Unterordner verschieben. Das Sichern auf ein externes Laufwerk und nicht auf iCloud funktioniert möglicherweise auch.


Viel Glück.

Jan 22, 2024 8:44 AM in response to Micah Ri

Your description matches my situation almost exactly. Having this issue on a desktop and on a laptop. Started suddenly, almost all the files were from the beginning of the year. The volume is so high that I had 1.2 terabytes accumulate in less than half a day. Deleting everything in propagate solves the problem temporarily, but then I have to re-download every file that I want to use and the accumulation starts again. Don't know where to turn.

Jan 23, 2024 12:56 PM in response to Micah Ri

Micah: thank you for your thorough and helpful advice. Who at and how do I contact Apple so someone can help me?


I do not use Logic Pro X, but your suggestion led me to what I think might be the problem.


I accidentally left my desktop on for a while and a lot of File Provider junk was generated. Propagate had files and folders in it. The disk was so full I couldn't just move to the trash, so I went through things one by one for an hour or two until I could mass delete.


The files were gibberish to me, but the folders held 20+ GB and had 20,000 pdf files from a program that is used to store scanned documents. It may be the current file, but since there are 20,000 plus of them and I have to go one by one, I don't know for sure (open the document, see what dates were on the documents). Each folder had what appeared to be the same contents.


At the same time, I have back up files from the same program stored in the cloud (but for different time periods) created in the same program but they do not seem to be causing any problem.


I was going to unlink and re-link to iCloud, but on Sonoma it asks if you want to get rid of all the files on your desktop. The answer is no, I do not.


Interestingly, iCloud is syncing upwards (new documents and updated old documents created on my desktop appear on the iCloud website for my account), but I am not able to download through Finder when the file is indicated to be on the cloud. I have to go to iCloud and download them one by one.


Desktop and laptop doing the same thing, just different frequency and different numbering system.


Therefore, any suggestions appreciated. Thanks for your help so far.

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FileProvider / Propagate Folder / Filling Up Hard Drive Space

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