I keep running out of RAM!

Discussion in 'macOS' started by MacNoobGuy, Jul 18, 2013.

  1. MacNoobGuy macrumors 6502

    Apr 18, 2012
    hey guys, i've got a Mac Mini 2011 with 8GB of RAM here. it seems like every 30 minutes i need to use the 'purge' command in Terminal. does anyone know why this is the case? i keep running out of RAM. when i use Win7 i've got 4GB of RAM, but i never run out of it.

    i know Mavericks will address this issue, but what can i do in the mean time?

    thank you!
  2. gr8tfly macrumors 603


    Oct 29, 2006
    ~119W 34N
    How do you know you're "running out"? If you're looking at inactive memory space in Activity Monitor, keep in mind that allocation is essentially the same as free. If an app needs more ram than can be allocated out of free area, it will use ram from the inactive space.

    Also, look at page-outs. If that is low or zero, you really aren't running low of RAM. It's mainly when there is no available RAM from either free or inactive and the system needs to swap pages out to mass storage that will cause a noticeable slowdown.

    This has a brief description on how to interpret what's seen in Activity Monitor: http://support.apple.com/kb/HT1342
  3. benwiggy macrumors 68020

    Jun 15, 2012
    Why do you think you need to use the purge command? There is nothing wrong, in itself, with having lots of inactive RAM.
    You may have a problem if that Inactive RAM is not being released to Active RAM when needed, and if you are swapping out.

    Activity Monitor in Mavericks does not give details about Inactive RAM usage, so it does fix the problem of worrying about it. :p
  4. chown33 macrumors 604

    Aug 9, 2009
    Sailing beyond the sunset
    What program or programs are running at the time?

    Post a screenshot of Activity Monitor, with "All Processes" showing in the list.

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