High CPU load on 2019 macbook air running Ventura 13.5

For several weeks now, my 2019 macbook air experiences episodes of very high CPU load from "storagemanagementservice" and "trashstorageextension" processes.


This results in my laptop fans going into overdrive and system performance being bogged down. It eventually self-resolves, but is an issue that occurs daily right around midday. I have ample HD space, have emptied my trash folder in Finder and in Outlook, updated my OS (Ventura 13.5), and yet this issue persists.


Has anyone experienced this and identified a cause, as well as how to make it stop?

MacBook Air 13″, macOS 13.2

Posted on Aug 15, 2023 10:29 AM

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Question marked as Top-ranking reply

Posted on Aug 15, 2023 12:56 PM

lesya288 wrote:

For several weeks now, my 2019 macbook air experiences episodes of very high CPU load from "storagemanagementservice" and "trashstorageextension" processes.
https://discussions.apple.com/content/attachment/9ae28c50-4cc9-461d-a067-19584706fcfa

This results in my laptop fans going into overdrive and system performance being bogged down. It eventually self-resolves, but is an issue that occurs daily right around midday. I have ample HD space, have emptied my trash folder in Finder and in Outlook, updated my OS (Ventura 13.5), and yet this issue persists.

Has anyone experienced this and identified a cause, as well as how to make it stop?


To trouble shoot further you can:


—A SafeBoot Use safe mode on your Mac - Apple Support will sort many anomalies


Does a quick disk repair before it fully boots up, and certain system caches get cleared and rebuilt, third party system modifications and system accelerations are disabled.

Login and test. Reboot as normal and test. Caches get rebuilt automatically.


This test will tell you if third party interference; most* extensions etc are not loaded in safe boot mode.



—Test issue in another user (or guest user) account Change Users & Groups settings on Mac - Apple Support

This will tell you if it a universal issue or isolated to your user/admin account. 




unplug all third party peripherals when testing


Uninstall all third party apps that are Cleaners/Optimizers/VPN/Anti-Virus

all known to cause issues on the macOS



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1 reply
Question marked as Top-ranking reply

Aug 15, 2023 12:56 PM in response to lesya288

lesya288 wrote:

For several weeks now, my 2019 macbook air experiences episodes of very high CPU load from "storagemanagementservice" and "trashstorageextension" processes.
https://discussions.apple.com/content/attachment/9ae28c50-4cc9-461d-a067-19584706fcfa

This results in my laptop fans going into overdrive and system performance being bogged down. It eventually self-resolves, but is an issue that occurs daily right around midday. I have ample HD space, have emptied my trash folder in Finder and in Outlook, updated my OS (Ventura 13.5), and yet this issue persists.

Has anyone experienced this and identified a cause, as well as how to make it stop?


To trouble shoot further you can:


—A SafeBoot Use safe mode on your Mac - Apple Support will sort many anomalies


Does a quick disk repair before it fully boots up, and certain system caches get cleared and rebuilt, third party system modifications and system accelerations are disabled.

Login and test. Reboot as normal and test. Caches get rebuilt automatically.


This test will tell you if third party interference; most* extensions etc are not loaded in safe boot mode.



—Test issue in another user (or guest user) account Change Users & Groups settings on Mac - Apple Support

This will tell you if it a universal issue or isolated to your user/admin account. 




unplug all third party peripherals when testing


Uninstall all third party apps that are Cleaners/Optimizers/VPN/Anti-Virus

all known to cause issues on the macOS



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High CPU load on 2019 macbook air running Ventura 13.5

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