Memory Usage (Wired, Active, etc)

Discussion in 'MacBook Pro' started by DJAKO, Jan 28, 2008.

  1. DJAKO macrumors 6502a

    Joined:
    Sep 8, 2006
    Location:
    Michigan
    #1
    I recently upgraded my MBP C2D 2.33Ghz (Pre-Santa Rosa) to 3GB of RAM. Everything seems to be running much quicker now, less hiccups which is always good.

    I run the widget iStatPro which displays a lot of useful information. Just was curious what the differences in the RAM section were.

    They list, wired, active, inactive, free.
     

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  2. kwood macrumors 6502a

    kwood

    Joined:
    Jun 26, 2006
    Location:
    In the Great White North.
    #2
    Explained here using the Activity Monitor. But same applies with iStat.
     
  3. DJAKO thread starter macrumors 6502a

    Joined:
    Sep 8, 2006
    Location:
    Michigan
    #3
    Great, thanks for the link. :)
     
  4. letswastetime macrumors regular

    Joined:
    Feb 11, 2007
    #4
    i only have 25mb free. im assuming thats not very good?
     
  5. WildCowboy Administrator/Editor

    WildCowboy

    Staff Member

    Joined:
    Jan 20, 2005
    #5
    It's not the amount of "free" memory that's important. It's "free" + "inactive" that is a true measure of available memory. As long as that sum isn't tiny, you have memory left for when you need it.

    Better measures of whether you have adequate RAM include your page outs (shouldn't be more than 10% or so of your page ins under normal operating circumstances), and just the general usability of your system. If it's sluggish, you'd probably benefit from more RAM.
     
  6. letswastetime macrumors regular

    Joined:
    Feb 11, 2007
    #6
    thanks for the info and suggestions. my macbook is a bit sluggish, i mean its only 1gb, and I did end up purchasing a 2gb ram stick to bump it up to 2.5gb so hopefully that helps in speeding things up.
     
  7. DJAKO thread starter macrumors 6502a

    Joined:
    Sep 8, 2006
    Location:
    Michigan
    #7
    The jump from 1 to 2.5 is nice, you should notice a huge difference.
     

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