Updated to 10.8.3 and kernel_task doubled in memory size

Discussion in 'MacBook Air' started by nobodyjustwalks, Mar 15, 2013.

  1. macrumors regular

    Jan 23, 2013
    Hi all,

    Just wondering if anyone else was noticing this after upgrading to 10.8.3.

    I've noticed that "kernel_task" doubled in size to approximately 950 MB of Real Mem. This is the amount of memory it allocates on a fresh restart with no applications open.

    Amazing, since prior to the update I've never seen it go past 600 MB. kernel_task would always be somewhere in the neighborhood of 400-600 MB.

    I have an 2012 11" MBA with 8GB memory upgrade. So it's not a huge deal breaker for me. But it does seem odd that 950 MB seems to be the default allocation.

    There are times where I run quite a few apps and I need every bit of free memory available. Knowing that system resources alone are taking approximately 1.3 GB of memory (kernel_task + other resources) is a bit disappointing.

    Thanks for your insights!

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