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  1. #1

    Member Since
    Aug 31, 2009
    What is % Nice on the Activity Monitor?
    On the Activity Monitor program, under the CPU tab, there is a blue number labeled % Nice. Most of the time it is 0.00, but once in a while it is quite active. What is it suppose to represent? Is it bad?

  2. #2

    McBie's Avatar
    Member Since
    Apr 26, 2008
    2013 MBA 13" - OS X 10.11
    What OS are you running ?

    Cheers ... McBie
    A computer lets you make more mistakes faster than any invention in human history - with the possible exceptions of handguns and tequila.
    The bitterness of poor quality remains long after the sweetness of low price is forgotten.

  3. #3

    Member Since
    Aug 31, 2009
    I'm running 10.4.11.

  4. #4

    Zoolook's Avatar
    Member Since
    Sep 24, 2006
    Brooklyn, New York
    15" MacBook Pro, i7 2.66Ghz, 8GB RAM, 512GB SSD; iPad 3, iPhone 5
    It's the priority of the task. -19 is the highest and 20 is the lowest (I think)

    You can change the priority of a task from the terminal with the command "renice" using the PID

    renice 1554 -19

    That would make process 1554 a much higher priority

    It's not usually necessary to mess around with the nice command, although occassionally it can be useful, for example making Logic Pro less prone to interruptions when recording.

    Anyway, what you're seeing is the priority of each process in the activity monitor.
    In the land of the blind, the one-eyed man is stoned to death.
    - Joan D. Vinge

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