Re: unfair stress on non memory allocating apps while swapout (in 2.4)

From: Rik van Riel (riel@conectiva.com.br)
Date: Sat Oct 21 2000 - 10:22:00 EDT

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    On Sun, 15 Oct 2000, Bernd Eckenfels wrote:

    > with 2.4.0-test10-pre2 (possibly long before that version) i
    > still can bring the system to a halt while "tail /dev/zero" is
    > running. I don't complain that you can make a DOS by a trshing
    > system, cause I can use ulimit to actually avoid that.
    >
    > as the proccess is killed. But still i wonder why the swap out
    > is such unfair to the rest of the system, especially to a
    > process which is not actually allocating memory at all.

    Look again ... "tail /dev/zero" allocates INFINITE memory.

    (trying to read the last 10 lines of /dev/zero, but the
    device spits out one infinite line ;))

    regards,

    Rik 

    --
"What you're running that piece of shit Gnome?!?!"
       -- Miguel de Icaza, UKUUG 2000

    http://www.conectiva.com/		http://www.surriel.com/

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