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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Notebooks > I have 2 gigs of ram but during gen usage only 175MB Free!

I have 2 gigs of ram but during gen usage only 175MB Free!
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Fresh-Faced Recruit
Join Date: Jan 2006
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Feb 11, 2007, 09:16 PM
 
I'm only using Safari (with saft), Adium, and Entourage (albiet it has thousands of messages in the inbox {not sure if that matters}).

Is there something wrong here?
     
Dedicated MacNNer
Join Date: Mar 2001
Location: Indianapolis, IN USA
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Feb 12, 2007, 06:30 AM
 
I doubt there's anything wrong -- ram is for the OS to use and it's using it. Would you want to install 2 gigs and have 1 gig free?
     
Mac Elite
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Feb 12, 2007, 06:42 PM
 
It is as it should be. Your computer is using ram instead of being forced to page out to the hard drive. Makes everything run more better and more faster. Check out this memory usage page from Apple:
Mac OS X: Reading system memory usage in Activity Monitor
     
Posting Junkie
Join Date: Oct 2005
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Feb 12, 2007, 06:54 PM
 
Would you rather waste more memory with empty bits?
     
Senior User
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Feb 13, 2007, 12:05 AM
 
Entourage is the reason, it is being emulated using rosetta, and rosetta hogs up the memory. The good news is it is not caching off of the HD so you are getting great performance. As the system needs more memory it will take some away from rosetta and then cache so don't worry about it. Once Office goes universal you will get all your memory back.
iMac G4 / Macbook
     
Dedicated MacNNer
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Feb 13, 2007, 12:12 AM
 
I'm not sure those answers are correct. OS X takes up memory just like it takes up harddrive space. When you "delete" something, by emptying the trash... the file doesn't actually go anywhere... it just removes it's title of taken, and shows up as a space to put a new file... so that file will remain until the space is needed.

thus... applications take up memory, but as soon as the memory is needed, whatever was using the ram automatically gives it up... so looking at activity monitor.. right now I have somthing like 1GB inactive, 600 active, and 400 free... that is perfectly normal. the inactive ram was in use by something at some point... but it has since become inactive until needed by another application.
15" MacBook Pro | 2.16GHz | 2GB DDR2 | 100GB 5400 rpm | 256MB X1600
     
Dedicated MacNNer
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Feb 13, 2007, 12:16 AM
 
Look at how much you have inactive. That is all memory reserved that is not being actively used. I bet you have lots of inactive, meaning that all that ram if giving you plenty of buffer from paging.
17" MBP C2D 2.33/3 GB RAM/500 GB 7200 rpm/Glossy Display|-|
17" iMac CD|-|15" PB G4 1.25 GHz|-|iBook g4 1Ghz|-|Pismo
     
rnp614  (op)
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Feb 13, 2007, 01:04 AM
 
ah you're right, its stashed away as inactive. GOD i cant wait until office is universal!
     
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Feb 13, 2007, 01:11 AM
 
I second that
17" MBP C2D 2.33/3 GB RAM/500 GB 7200 rpm/Glossy Display|-|
17" iMac CD|-|15" PB G4 1.25 GHz|-|iBook g4 1Ghz|-|Pismo
     
   
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