Re: ~500 megs cached yet 2.6.5 goes into swap hell

Mark Frazer
2004-05-07T20:01:56Z

Timothy Miller <miller@techsource.com> [04/05/07 13:26]:
> >>>Perhaps what we really want is "swap_back_in" script? That way you
> >>>could do "updatedb; swap_back_in" in cron and be happy.
> >>
> >>swapoff -a; swapon -a
> >
> >
> >Good point... it will not bring back executable pages, through.
> >
> > Pavel
>
> Wouldn't this also be a problem if you are using more memory than you
> have physical RAM?

#!/bin/bash
swapused=$(( $(sed -n -e 's/ \+/-/g' -e '/^Swap:/p' /proc/meminfo | cut -d'-' -f2,4) ))
bufsused=$(( $(sed -n -e 's/ \+/+/g' -e '/^Mem:/p' /proc/meminfo | cut -d'+' -f6,7) ))

if [ $bufsused -gt $(( 11 * swapused / 10 )) ]
then swapoff -a; swapon -a
fi

or something like that
--
How can I live my life if I can't tell good from evil? - Fry