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Date: Fri, 11 Feb 2000 14:06:00 +0900
From: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>
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$B2<@n$G$9(B.

kato> > $B;d$b(B, Inactive/Cache $B$N0c$$$O$h$/$o$+$C$F$$$J$$$N$G$9$,(B,
kato> 
kato> $B$?$7$+!$(Binactive$B$O(Bdirty$B$G(Bcache$B$O(Bclean$B$J%Z!<%8$@$C$?$H;W$$$^$9!%(B

source $B$rD/$a$?46$8$G$O3N$+$K$=$N$h$&$K8+$($^$7$?(B.

simokawa> $BNc$($P(B, 
simokawa> % programA > datafile
simokawa> % programB < datafile
simokawa> $B$H$+$7$?>l9g(B programA $B$,=*N;$7$?CJ3,$G(B, datafile $B$NFbMF$rJ];}$9$k(B
simokawa> page $B$O(B $B$I$N(Bprogram$B$+$i$b;2>H$5$l$J$$$N$G(B, active$B$G$O$J$/$J$j$^$9(B.
simokawa> $B$7$+$7(B, $B$=$N(B page $B$O(B(memory$B$KM>M5$,$"$k8B$j(B)$BJ];}$5$l$F$$$F(B, programB $B$,(B
simokawa> $B;2>H$9$k$H$-$K(B, $B$o$6$o$6(B disk $B$+$iFI$_$@$9I,MW$O$J$/$J$j$^$9(B.

$B0l1~(B dirty page $B$K$J$kNc$r5s$2$?$D$b$j$J$N$G$9$,(B, datafile $B$,$?$$$7$F(B
$BBg$-$/$J$1$l$P(B, programA $B=*N;D>8e$O(B, `Buf' $B$H$7$F(B count $B$5$l$F$$$k(B
$B$O$:$J$N$G(B, $B$"$^$jNI$$Nc$G$O$J$$$+$b$7$l$^$;$s(B. $B$^$"$7$P$i$/$9$l$P(B
buffer cache $B$+$i(B VM cache $B$N$_$K$J$k$H;W$$$^$9$,(B, $B$=$N$H$-$K$O(B
clean $B$K$J$C$F$k$+$b$7$l$^$;$s(B.

$B$H$$$&$o$1$G(B, $B@h$NNc$O(B inactive queue $B$KF~$kNc$K@5$7$/$J$C$F$$$k$+(B
$B$I$&$+$o$+$j$^$;$s$N$G(B, $B$"$^$j?.$8$J$$$G$/$@$5$$(B. VM system $B$N(B
$BA4BNE*$J5sF0$H$7$F$O@5$7$$$H;W$$$^$9$,(B.

mmap $B$G=q$/$h$&$JNc$,E,Ev$J$s$G$7$g$&$,(B, $B$J$K$+4JC1$JNc$,$"$k$+$J(B...

/\ Hidetoshi Shimokawa
\/  simokawa@sat.t.u-tokyo.ac.jp
PGP public key: finger -l simokawa@sat.t.u-tokyo.ac.jp
