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Lion - Memory Usage Problems

271246 Views 957 Replies Latest reply: Dec 1, 2013 1:28 PM by Jonathan Payne1 RSS
  • William Kucharski Level 6 Level 6 (14,400 points)
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    Jul 16, 2012 4:55 PM (in response to disconnected)

    It's not "more effective."

     

    All purge does is empty the system caches, forcing the system ro reload everything it might want from disk.

     

    That makes "memory used" stats look really good, but it's of dubious value to a running system except is certain special circumstances.

     

    It's exactly like dragging your "Applications" folder to the Trash, selecting "Empty Trash" then noticing, gee, you've got a lot of free disk space.

  • Beatrice Toronto Calculating status...
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    Jul 22, 2012 11:06 AM (in response to Joel Bruner1)

    That is my problem, precisley. Thanks for articulating it.

  • nkko Calculating status...
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    Jul 22, 2012 11:42 AM (in response to mightymilk)

    Does anybody know did a new Mountain Lion solved the memory problem?

    Mac mini (Mid 2011), Mac OS X (10.7.3)
  • Allan Eckert Level 8 Level 8 (39,395 points)
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    Jul 22, 2012 2:50 PM (in response to nkko)

    Mountain Lion has not been released yet, so no one knows.

     

    Allan

  • nkko Level 1 Level 1 (0 points)
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    Jul 23, 2012 1:19 AM (in response to Allan Eckert)

    I know, but many of those who for months have tested Mountain Lion surely collected some insights on memory problem.

     

    Nino

  • Allan Eckert Level 8 Level 8 (39,395 points)
    Currently Being Moderated
    Jul 23, 2012 6:34 AM (in response to nkko)

    But they had to sign an NDA to do it. I know because i am one of them and I will say no more on Mtn Lion.

     

    Allan

  • Bobdc6 Level 1 Level 1 (0 points)
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    Jul 23, 2012 6:49 AM (in response to nkko)

    A logical extension to your question would be that if Apple fixed the problem in Mountain Lion, will they also fix it in Lion, an OS that a lot of us are stuck with due to hardware limitations.  Bill Gates is smiling (I bet that he has an Apple computer to play with!).

  • nkko Level 1 Level 1 (0 points)
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    Jul 23, 2012 7:55 AM (in response to Bobdc6)

    The main reason that I will upgrade to Mountain lion is just the memory problem. But what to do if even in ML this problem isn't solved?

  • Bobdc6 Level 1 Level 1 (0 points)
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    Jul 23, 2012 8:09 AM (in response to nkko)

    If it is truly an Apple problem, then they will have to solve it or become MS.

  • nkko Level 1 Level 1 (0 points)
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    Jul 23, 2012 8:20 AM (in response to Bobdc6)

    People are complaining that they had the same problem before the Lyon, during the time of Snow Leopard, even earlier. It's not fair to buy a Mountain Lion and does not know in advance if this issue is resolved or not. Sometimes I am feeling like I'm wasting money in casino.

  • William Kucharski Level 6 Level 6 (14,400 points)
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    Jul 24, 2012 12:23 AM (in response to nkko)

    No one has a gun to your head forcing you to upgrade.

     

    Wait until you find out if it does what you want or don't upgrade.

  • makfor Calculating status...
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    Jul 24, 2012 12:36 AM (in response to mightymilk)

    my problem solved after i DELETE all my Wallpaper images !!! i think that the problem was when the OS load big images , not too big but i think that happen when the image was over 1MB or maybe 2MB , my biggest image was 8MB !!! i delete all big images and i leave only images up to 1MB and now i dont have a problem

     

    i use 3 virtual desktops !!!

  • ilias_l Calculating status...
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    Jul 26, 2012 7:53 AM (in response to makfor)

    I wrote this script to be run every 10 minutes via a crontab job and it solved my problems. It runs purge when free memory gets below 250MB. I get the free memory by parsing the "top" command line output.

     

    Hope it helps.

    Ilias

     

     

    #!/bin/bash
    
    
    MM=`top -l 1 -n 0 | awk '/PhysMem/ {print $10}' |sed s/M//g`
    echo "Free Memory:" $MM
    
    if [ "$MM" -le "250" ]; then
        echo "Free memory is running low: " $MM"MB. Releasing now..."
        purge
        exit 0
    else
        echo "Memory ammount" $MM"MB does not meet purge threshold."
        exit 0
    fi
    
    

     

    To make it run every 10 minutes type in console

     

    crontab -e
    

     

    And then in the configuration file add (replace the path to the path where you saved the script (it has to be exectuable):

     

    */10 * * * * /Users/xxx/pathToYourScript
    
  • codefish46 Level 1 Level 1 (0 points)
    Currently Being Moderated
    Jul 30, 2012 2:00 PM (in response to mightymilk)

    Download and install the latest Flash Player from Adobe's website. (Deselecting "enable java" under Safari prefs also slows down the CPU usage, but then disallows java from running in the browser.)

     

    This should fix the problem.

     

    Good day to you!

  • nkko Level 1 Level 1 (0 points)
    Currently Being Moderated
    Aug 20, 2012 1:05 PM (in response to Bobdc6)

    No reaction to the mountain lion. It seems that the memory problems are solved. Who was it who claimed that the uncontrolled growth of inactive memory is normal?

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