1.5GB of RAM just disappears?

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hey guys, started using dropbox sync files. tried uploading 1gb file , worked. however, while uploading somehow 1.5 gb of ram or became used. checked in activity monitor , doesn't what's using ram in list. nothing has changed in terms of memory usage in activity monitor, 1.5gb of ram of still being used.

when reboot goes normal, annoying.

 

you don't need worry ram being used. mac os x manages memory automatically, no interference user or 3rd party apps. thing need watch page outs.

determine if can benefit more ram, launch activity monitor , click system memory tab @ bottom check page outs. page outs cumulative since last restart, best way check restart computer , track page outs under normal workload (the apps, browser pages , documents have open). if page outs significant (say 1gb or more) under normal use, may benefit more ram. if page outs 0 or low during normal use, won't see performance improvement adding ram.

mac os x: reading system memory usage in activity monitor
 


Forums Macs macOS Older OS X Versions Mac OS X Lion (10.7)


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