2022-12-21 18:25:55 Music.app - High CPU Use (5 times)
Executable: /System/Applications/Music.app
I will see the Music App jump up to 99% of the CPU, then usually trail off. Highest use is usually when a song starts.
This has only started happening since I upgraded to Monterrey.
iMac 27″ 5K, macOS 12.6
The performance boost from booting from the external SSD Drive, is directly related to the fact the machines Internal Drive is a Fusion Drive.
They were good in their day for additional storage but will have a big decrease in performance starting in Big Sur macOS 11 and above
This is basically because these newer versions of macOS are Optimized to run on a ALL SSD Drive
It should be noted and acknowledged, the move to the External SSD was a very good move on the part of the Users.
This may extended the usefulness of this machine for a few more years or until a New Machine with an Internal SSD drive is purchased
Good move there 👍
APPLE HDD ST1000DM003 1.00 TB (Mechanical - 7200 RPM)
APPLE SSD SM0032L 28.00 GB (Solid State - TRIM: Yes)
The performance boost from booting from the external SSD Drive, is directly related to the fact the machines Internal Drive is a Fusion Drive.
They were good in their day for additional storage but will have a big decrease in performance starting in Big Sur macOS 11 and above
This is basically because these newer versions of macOS are Optimized to run on a ALL SSD Drive
It should be noted and acknowledged, the move to the External SSD was a very good move on the part of the Users.
This may extended the usefulness of this machine for a few more years or until a New Machine with an Internal SSD drive is purchased
Good move there 👍
APPLE HDD ST1000DM003 1.00 TB (Mechanical - 7200 RPM)
APPLE SSD SM0032L 28.00 GB (Solid State - TRIM: Yes)
I installed Monterey on a spare external SSD drive. I booted off that drive and used the Migration Assistant to carry over all the apps and data.
That seems to have fixed the problem. It also seems to have solved the problems I had with sync'ing my iPhone and iPad to my iMac.
It was my fourth install of Monterey on my 2017 Intel iMac. Maybe fourth is the charm?
"The performance boost from booting from the external SSD Drive, is directly related to the fact the machines Internal Drive is a Fusion Drive."
Thank you for the comment.
I was using another external SSD Drive and not booting off of the internal Fusion drive. So that cannot be it.
I switched to an external SSD Drive quite a while back. Part of that was to keep Mojave as a second boot option so that I can use some older 32 bit apps.
The external drive was working flawlessly on Catalina and Big Sur. It was only when I tried to upgrade to Monterey that I ran into issues.
The big increase in speed is that I am not seeing processes on the Activity Monitor hog up the CPU. However, right now, 'media-indexer' is active and that is using 98% of the system, but I am hoping that is temporary and will go away whenever it finishes indexing.
Thanks again for your help.
Thanks. I read through a lot of those and few seemed to have any relevance.
I have never had any problems booting from the external SSD with Monterey, like many reported. Maybe it is because I still have my original Apple Fusion drive installed? I was considering paying to have an internal SSD installed but maybe I should not since Monterey seems to be looking for only an Apple supplied internal drive.
The one link had a person boot into Mac Recovery to select 'allow booting from external or removable media' but I never had to do that.
The only one that seemed relevant was this link (although I have not read them all):
iMac 5k 2015 incredibly slow since Monter… - Apple Community
However, I did not have any of the programs that they reported having and removing.
On my third install, I did a clean one, so that may have helped to remove many of the legacy items trying to run in the background, but that did not help with the issues of Music hogging my CPU nor the problems of sync'ing my iPad and iPhone to the iMac.
This final re-install did seem to help. My CPU mostly runs about 75% idle, which is not as low as it used to be, but adequate. But every change in song still has Music jump up to 100% for a while leaving only 35% idle, then settle back. I do not understand why this version of Music hogs so much of the CPU.
The nice thing about having a 'spare' external SSD is that I can experiment upgrading to Ventura, once I am confident in this install enough to erase the last SSD running Monterey.
There is an update to Monterey 12.6.3 available. Am planning on risking that today. Currently on 12.6.2.
Firstly welcome for the comments as that was earned 👍
Q - " I was using another external SSD Drive and not booting off of the internal Fusion drive. So that cannot be it. "
A - Most SSD Drives, be that Internal or External will immediately provide a performance boost. By the very nature of SSD Drives versus Rotational / Platter Drives, they do not have the Spinner factor to contend with.
Q - " The external drive was working flawlessly on Catalina and Big Sur. It was only when I tried to upgrade to Monterey that I ran into issues. "
A - Ah, the problematic Booting Monterey from External Drive of any type. That issue was introduced somewhere in Monterey 12.3 or 12.3.1
A - It can be done but . . . issues do occur
A - As an overview as to how extensive this issue has been and provide a Quick Search on the first Page of these Forums and limited to the " Last Year "
If you wish to follow some of the may posting, it may provide some additional Insights and if lucky a solution too
It will not he easy to get Monterey to install and function on a Non Apple Original Drive.
The above will include both Internal Non Apple Original and even more see on Non Apple Original External Drives
Well that didn't last very long.
On restart from sleep:
After a few minutes, that went away. But when waking from sleep, for that period of time, I cannot do very much on my iMac.
Monterey Music App slowing down Mac
