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At times I hear my MacBook (Mid-2015, 15" retina) get loud, fans whirring. It becomes pretty hot to touch.

I check Activity Monitor: photoanalysisd is using near 100% CPU.

What is "photoanalysisd" and why is it using 77% of my CPU? says that it's due to changes in Photos.app... I have never used Photos.app. None of the answers on that question help me.

I just Force Quit photoanalysisd now whenever this happens, and haven't noticed any problems.

But it's frustrating when this happens.

How do I stop photoanalysisd from hogging CPU?

I'm running macOS Catalina 10.15.4

minseong
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  • Did you try all the answers in the linked question just now? – nohillside Dec 29 '20 at 12:48
  • @nohillside none of them are newer than my question, and I remember reading that question before I asked this one. I don't have this photoanalysisd problem anymore so I can't actually test answers now. – minseong Dec 29 '20 at 12:53

2 Answers2

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  • Go to AppleID > iCloud and disable Photos.
  • Go run Photos app and verify there are no libraries, delete all images or delete the library so when you relaunch Photos is asks to create a library.
  • Repeat these steps for every user on your Mac in Accounts
  • Restart the Mac.

At that point you might need look into logs to see what’s triggering the daemon to do work or run a sysdiagnose on the process. Also, Photos can have many libraries, so you might need to switch libraries to locate the system library or other ones. Photo analysis can run on any library - not just the one you expect when you launch the app.

bmike
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Check console for photoanalysisd. I suspect it’s restarting over and over. Mine is.

Dak
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