Why is Swap being used?

Discussion in 'MacBook Pro' started by Mac.User, Nov 28, 2013.

  1. Mac.User macrumors 6502

    Aug 25, 2013
    I have 311MB of swap used, but why? I am only using 6.35GB out of my 16GB of RAM. Shouldn't there be no swap used?
  2. aristobrat macrumors G5

    Oct 14, 2005
    The only explanation I've seen that makes sense to me is:

    Windows does it too. I have a server that has 196GB of RAM, and the most I've ever seen used is like 50GB. It too swaps out a small amount even though it's nowhere near using all of the available RAM.

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