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Very high memory and CPU usage by the OS X Dock

Fresh5 days ago
Mar 15, 202614470 views
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Problem

I have a very annoying problem with the Dock process - after more than a few hours of uptime, the memory usage will spike to more RAM than I have. The process will begin to thrash the hard drive at the maximum speed that it can (according to iotop), and it will regularly use more than 100% of CPU, …

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1 Fix

Canonical Fix
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New Fix – Awaiting Verification

Fix for: Very high memory and CPU usage by the OS X Dock

Low Risk

If you are using Parallels Desktop 6, this article may apply : Dock using 100% CPU after OS X 10.6.8 update for Parallels 6 users. The details can be found in this Parallels KB article: Mac Dock consuming 100% of CPU core after upgrade to Mac OS X 1…

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Environment