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    SubjectRe: ~500 megs cached yet 2.6.5 goes into swap hell
    Andrew Morton writes:

    > My point is that decreasing the tendency of the kernel to swap stuff out is
    > wrong. You really don't want hundreds of megabytes of BloatyApp's
    > untouched memory floating about in the machine. Get it out on the disk,
    > use the memory for something useful.

    What I have noticed with 2.6.6-rc1 on my dual G5 is that if I rsync a
    gigabyte or so of data over to another machine, it then takes several
    seconds to change focus from one window to another. I can see it
    slowly redraw the window title bars. It looks like the window manager
    is getting swapped/paged out.

    This machine has 2.5GB of ram, so I really don't see why it would need
    to swap at all. There should be plenty of page cache pages that are
    clean and not in use by any process that could be discarded. It seems
    like as soon as there is any memory shortage at all it picks on the
    window manager and chucks out all its pages. :(

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      Last update: 2005-03-22 14:02    [W:0.029 / U:34.436 seconds]
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