Swap used with ample RAM

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

  1. macrumors member

    Aug 16, 2010

    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?


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