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Apple Computing Products:
macOS - Operating System
Like clockwork, MacBook Pro freezes for about 30 seconds every 20-30 minutes... Why?
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<blockquote data-quote="GeoFan49" data-source="post: 1552218" data-attributes="member: 314949"><p><span style="font-size: 15px"><span style="color: red"><strong>Mysteries of "Finder busy" are now solved. Observed behavior explained. </strong></span></span></p><p><span style="font-size: 15px"><span style="color: red"><strong></strong></span></span></p><p></p><p><strong>Moral of the story, if you have a big tree of folders, uncheck "Calculate all sizes" on the top level and select "Use as Defaults." That is NOT a global setting, it is HIERARCHICAL. </strong></p><p></p><p>Thanks again to each and all for the help. No hardware problems found, just a simple checkbox...</p><p></p><p>It seems that default setting will propagate down the tree. Selecting only the desktop folder is insufficient to prevent "runaway Finder" CPU hogging. </p><p></p><p>View -> Show View Options -> "Calculate all sizes" (do not set) then, click "Use as Defaults." was done on the Desktop folder.</p><p></p><p>However, it was still set to calculate on the Login User's Home directory. That was causing the CPU hogging by the Finder processes. </p><p></p><p>The setting is hierarchical, apparently. This was a revelation. </p><p></p><p>When I had the big folder open (yet minimized, hidden) the Finder CPU usage went ballistic.</p><p></p><p>When I closed the big folder, Finder CPU was normal.</p><p></p><p>Open it, minimise it, Finder CPU goes crazy for about 10 minutes. </p><p></p><p>Change any folder in the hierarchy, Finder CPU goes crazy for about 10 minutes, 60-90% CPU, and then back to normal 0-5% CPU. </p><p></p><p></p><p><strong><u>Lessons learned:</u></strong></p><p><strong><u></u></strong> </p><p>Uncheck "Calculate all sizes" on the top level folder and select "Use as Defaults" in any big directory or huge folder tree to solve runaway finder CPU hogging problem. That folder tree contained over 100,000 items and 100 GB.</p><p></p><p>This solution instantly fixed the observed problem. </p><p></p><p>The "Calculate all sizes" and "Use as defaults" is a hierarchical setting specific to any directory tree and its subdirectories. </p><p></p><p>So, you must set the default on highest level folder. Otherwise, the Finder goes crazy with the CPU usage calculating file sizes on the slightest whim for the whole directory tree.</p></blockquote><p></p>
[QUOTE="GeoFan49, post: 1552218, member: 314949"] [SIZE="4"][COLOR="red"][B]Mysteries of "Finder busy" are now solved. Observed behavior explained. [/B][/COLOR][/SIZE] [B]Moral of the story, if you have a big tree of folders, uncheck "Calculate all sizes" on the top level and select "Use as Defaults." That is NOT a global setting, it is HIERARCHICAL. [/B] Thanks again to each and all for the help. No hardware problems found, just a simple checkbox... It seems that default setting will propagate down the tree. Selecting only the desktop folder is insufficient to prevent "runaway Finder" CPU hogging. View -> Show View Options -> "Calculate all sizes" (do not set) then, click "Use as Defaults." was done on the Desktop folder. However, it was still set to calculate on the Login User's Home directory. That was causing the CPU hogging by the Finder processes. The setting is hierarchical, apparently. This was a revelation. When I had the big folder open (yet minimized, hidden) the Finder CPU usage went ballistic. When I closed the big folder, Finder CPU was normal. Open it, minimise it, Finder CPU goes crazy for about 10 minutes. Change any folder in the hierarchy, Finder CPU goes crazy for about 10 minutes, 60-90% CPU, and then back to normal 0-5% CPU. [B][U]Lessons learned: [/U][/B] Uncheck "Calculate all sizes" on the top level folder and select "Use as Defaults" in any big directory or huge folder tree to solve runaway finder CPU hogging problem. That folder tree contained over 100,000 items and 100 GB. This solution instantly fixed the observed problem. The "Calculate all sizes" and "Use as defaults" is a hierarchical setting specific to any directory tree and its subdirectories. So, you must set the default on highest level folder. Otherwise, the Finder goes crazy with the CPU usage calculating file sizes on the slightest whim for the whole directory tree. [/QUOTE]
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Apple Computing Products:
macOS - Operating System
Like clockwork, MacBook Pro freezes for about 30 seconds every 20-30 minutes... Why?
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