Swap used with ample RAM

Discussion in 'Mac OS X Lion (10.7)' started by talino, Jul 26, 2012.

  1. macrumors member

    Joined:
    Aug 16, 2010
    #1
    Hi,

    If anyone knows why Lion 10.7.4 swaps to the HD in the following conditions, please let me know:

    24gb RAM in Mac Pro 2009

    Right after boot, I load a large sample library template and watch the memory usage take off in Activity Monitor. It stops at 6.48 Free (green) and 17.51 Used.

    Towards the end of the loading time, I get Page Outs = 52kb and Swap Used = 1.3mb.

    I then load Cubase. It stops at 6.07 Free and 17.92 Used, with Page Outs = 205kb and Swap Used = 5mb.

    Further work in Cubase doesn't result in any swapping at all.

    Out of curiosity, why is OS X swapping to the HD when it has more than 6gb of free RAM?

    Thanks.
     

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