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    SubjectRe: Limiting program swap
    Bill Davidsen wrote:
    > I have several machine of various memory sizes which suffer from really
    > poor performance when doing backups. This appears to be because all the
    > programs other than the backup quickly get swapped to make room for i/o
    > buffers.
    > Is there some standard portable way to prevent this, either by reserving
    > some memory for programs which will not get swapped regardless of i/o
    > pressure, or alternatively limiting the total memory used for i/o
    > buffers, dcache, and similar things?

    I'm wondering if turning the /proc/sys/vm/swappiness knob would help,
    but I'll honestly admit that I don't know.

    Jesper Juhl
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