apple music memory leak

I've just upgraded to Catalina and started using apple music. Even while idle (aside from "loading artwork" which I'm guessing is a result of switching from iTunes to apple music) I'm seeing the RAM constantly increase. I just checked the performance monitor and sae apple music using 86GB! I've restarted the application and I'm monitoring now and can see it constantly rising.

Posted on Oct 8, 2019 7:44 AM

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Posted on Oct 8, 2019 1:15 PM

It does seem like the album artwork sync was the issue. I ended up deleting a 4GB folder of "album artwork" from my iTunes folder. This retained all artwork that was embedded in music files but I've lost a lot of other artwork which I'll just have to reimport. I can say though that since deleting this folder the sync notification has gone and iTunes now doesn't use more than about 1.6GB of RAM.

123 replies

Oct 13, 2019 12:56 PM in response to issueskid

I am seeing this issue as well, brand new 2019 IMac with 8G RAM trying to handle my 270G music Library, after the Catalina upgrade. I have already tried turning off automatic album art work updates. It pegs RAM and Swap in about 5 mins and makes the machine unstable. Effectively my music machine is not usable. Thanks for the great new OS Apple :( . I will try calling tech support next week but imagine it will be a long process as everything I'm seeing online suggests this hasn't been a smooth upgrade. Wonder whats going on in Apple QA?

Oct 13, 2019 12:57 PM in response to issueskid

I am seeing this issue, new 2019 IMac with 8G RAM trying to handle my 270G music Library, after the Catalina upgrade. I have already tried turning off automatic album art work updates. It pegs RAM and Swap in about 5 mins and makes the machine unstable. Effectively my music machine is not usable. Thanks for the great new OS Apple :( . I will try calling tech support next week but imagine it will be a long process as everything I'm seeing online suggests this hasn't been a smooth upgrade. Wonder whats going on in Apple QA?

Oct 13, 2019 3:54 PM in response to issueskid

I am having a very similar issue. I just upgraded to Catalina today and after opening Music my imac (5K 27" 2017) was barely useable. I rebooted all was fine until I opened Music. I checked Activity Monitor and noticed Music was using 46GB of memory! I had to reboot again because my imac was fine until I opened Music again. After opening Music and monitoring the Activity Monitor, I noticed some R/W disk activity and zero network activity. Had a hard time even posting this message because memory climbed up over 40MB and my imac is hanging again. Hitting send before It completely hangs up. Looks like Music is not useable. I will not restart it again until there is a fix or explanation.

Oct 15, 2019 10:51 AM in response to issueskid

Experiencing the same issue as others. I have a very large music library - 150k + songs, stored on an external drive. Much of the artwork has been manually added over the past 10+ years. Moving/deleting artwork is not an ideal solution. Posting here because I expect Apple to fix the problems identified with Apple Music, not me resorting to a bunch of work arounds. Apple, are you listening?? And also, bring back the column browser - very useful feature for those of us with large libraries!

Oct 16, 2019 7:06 AM in response to ffg (d.w.)

Im worried the next update to music will mess my library up again. I dont have an "album artwork" folder anymore and my artwork is intact. Im concerned the patch may point the music app back to where the artwork folder should be. I guess we will find out. Im seeing more and more little bugs in Catalina by the day. Not catastrophic ones like the music one but irritating hiccups. My photos are constantly "curating". All photos are there, its just I have the curating animation running all the time. Overall its a pretty poor effort. Reminds me of owning a windows machine.

Oct 19, 2019 8:04 AM in response to High Plainz Drifter

Yeav, that's what I noticed. Extremely irritating.

Before, if the artwork was there on your Mac but not your iPhone, you could erase the artwork on the Mac and then put it back again. Then it would show up on your iPhone as well. Now, we seem to be stuck without artwork on our phones. Apple is more and more like amateur hour, where things work very randomly.

Oct 20, 2019 2:37 AM in response to Wampinator

this sounds interesting. Can you expand on what you mean by ‘old iTunes files’ in ‘Music’? I have all set my music to live in in the ‘Media’ file. I’m not seeing anything specifically that I could identify as ‘old’. I have a folder called ‘previous iTunes libraries’ that lives at the top level within iTunes - do you mean this?

for info: 382GB of files, 22,250songs. Library lives on external 4Tb hard drive. No messages about updating artwork but my late 2012 Mac mini has crashed several times since installing Catalina and Music seems to have been the problem each time. Activity Monitor shows memory for Music is currently running flat at 16GB - way too high. Haven’t deleted artwork folder - yet.

Oct 20, 2019 5:27 AM in response to thx67

I should say that the Music app seems to have calmed down re its use of memory now. I wonder if, like those people who've managed the updating process, the sequence of crashes I experienced were the app sorting itself out.


So... still haven't moved the artwork file or indeed any others and things seem to be ok.


Memory use with Music idle is currently 288.MB, playing a track it rises to 365MB. Interestingly, randomly and manually playing tracks from random albums in Album view has cranked the memory usage up to 1.32GB after about 10 or 11 selections. I left Music on shuffle for most of the evening 2 nights ago and woke up to find the computer had crashed.


I feel like I'm having to coax Music along to make sure its running anywhere near properly. Can't be a good selling point for Apple at this stage! I wouldn't buy Apple Music under any circumstances on this basis - Tidal, Spottie and Amazon Unlimited look far more stable. Am looking into other digital players/databases my only concern is that, like Plex, they'll only work with one outboard set of speakers at a time over Airplay as opposed to Music/iTunes capacity to use multiple outboard speakers

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apple music memory leak

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