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  1. #1

    Member Since
    Apr 22, 2012
    Is this normal? :O
    On my activity monitor i was just looking at my Ram usage, which is fine, but then i saw the VM size and it was HUGE! Does this effect how fast my mac will run ?

    Can you empty it, like you would empty a cache?

    Also, whilst im here, can someone simply explain page ins and page outs please?


  2. #2

    chas_m's Avatar
    Member Since
    Jan 22, 2010
    Victoria, BC
    Mid-2012 MBP (16GB, 1TB HD), Monoprice 24-inch second monitor, iPhone 5s 32GB, iPad Air 2 64GB
    The short answer is no. VM size is just the total amount of RAM allocated to POSSIBLE use by all the running processes. Sort of like how you have a $10,000 credit limit on your credit card, but your actual liquid cash on hand is way less.

    Bottom line: ignore VM size. Swap used and page-outs are the important measures to notice, and yours are in great shape.

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