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I'm running macOS 13.4 (22F66) on a MacBook Pro 16" (2019) and the process bird (which seems to be iCloud-related) keeps running at very high CPU utilization. It also makes Xcode unresponsive until I force quit bird, after which Xcode resumes operating but bird immediately restarts and shoots back up to high CPU utilization.

It also seems to write a ton of data, as seen by the Bytes Written value in Activity Monitor relentlessly climbing.

My ~/Library/Caches/com.apple.bird cache is merely 160 Bytes large. The size of this cache is not my issue, the CPU hogging of the process is.

bird process takes up 95% of CPU

Now I've seen elsewhere that I can see the log via

brctl log -w --shorten

but I don't know how to interpret that log, and despite many mentions of bird taking up a lot of resources, I can't find any thread in which someone actually resolved this problem.

I'd appreciate any help here. How do I make bird chill out?

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    Does this answer your question? What is com.apple.bird? Why does it grow so big?
    – Tetsujin
    Commented Jun 13, 2023 at 18:40
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    Not really. My ~/Library/Caches/com.apple.bird cache is merely 160 Bytes large. The size of this cache is not my issue, the CPU utilisation of the process is.
    – Mandelmus100
    Commented Jun 13, 2023 at 18:46
  • Could that help you? iboysoft.com/news/mac-process-bird-high-cpu.html
    – Thinkr
    Commented Jun 13, 2023 at 19:13
  • You've still got 89% CPU Idle, according to that graph. The CPU % is per core, of which you've got 12. There may well be a problem, but it's not for want of CPU.
    – benwiggy
    Commented Jun 14, 2023 at 7:01

1 Answer 1

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The general solution for problems with iCloud processes is to sign out from and back in to your AppleID.

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  • Maybe this should have been posted as a comment: "Have you tried signing out and back in to your Apple ID?"
    – Thinkr
    Commented Jun 14, 2023 at 9:10

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