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To: FreeBSD-tech-jp@jp.freebsd.org
From: Kenichi Okuyama <okuyama@trl.ibm.co.jp>
In-Reply-To: Your message of "Sun, 31 Oct 1999 07:26:08 +0900 (JST)"
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$B1|;3(B@$B#I#B#M$G$9!#(B

$B$A$g$C$HOC$N=g=x$rF~$lBX$($^$9!#(B
>>>>> "NS" == Noriyuki Soda <soda@sra.co.jp> writes:
NS> $B$3$l$KBP$7!"(Bovercommit $B%7%9%F%`$G!"(Bkill -9 $B$rKI$4$&$H;W$C$?$i!"(B
NS> $BK\Ev$KBgNL$N!X;H$o$J$$%j%=!<%9!Y$r3NJ]$7$F$*$/$7$+$"$j$^$;$s!#(B

$B$"$!!"$@$+$i$=$3$,;d$NO@E@$J$s$G$9$h!#(B

disk space $B$N$h$&$J(B static resource $B$O0B$$!#(Bovercommit $B$OIaCJ$O$3$N(B
$B$h$&$J!V;H$o$J$$!WNN0h$KBP$7$F$O0l@Z$N<B9T;~(B overhead $B$r;}$A$^$;$s$N(B
$B$G!"!X(Bdead space$B!Y$rC1$K3NJ]$9$k$@$1!#(B20M 100$B1_$8$c$J$$$+$H8@$$$^$9(B
$B$,!"(B25G 5$BK|$N8=:_$G$O(B 250M $B$b(B 500$B1_$G$9!#:G=i$K(B 500$B1_J'$($P!"$=$l$C(B
$B$-$j$H$$$&$3$H$G$9!#(B

$B0lJ}(B non-overcommit $B$O(B swap space $B>e$N(B dead space $B$O$?$7$+$K>/$J$$$+(B
$B$bCN$l$J$$$,!"$=$l$i$KBP$9$k<B9T;~(B overhead $B$,$+$+$k!#(Bdead space $B%3(B
$B%9%H$,0B$/$J$l$P$J$k$[$I!"AjBPE*$K$3$N(B overhead $B$O9b$/$J$k!#$=$l$b!"(B
$B?7$7$/(B exec $B$9$kEY$K(B($B>/$7$E$D$@$,(B)$BJ'$o$J$/$F$O$$$1$J$$!#(B

$B%3%9%H$NC10L$,0lJ}$O(Bbyte$B$G$b$&0lJ}$OIC$J$N$G!"I,$:$7$b0lN'$JHf3S$K$O(B
$B$J$i$J$$$H;W$$$^$9$,!";d$K$O!V(Bbyte$B!W$N$[$&$,0B$/8+$($k!"$H$$$&$3$H$G(B
$B$9!#(B
#$B$b$C$H$b!"!X$I$A$i$b>.$5$JCM$@$+$i!"$"$H$O:n$kB&$N%3%9%H$NLdBj$@!Y(B
#$B$H8@$o$l$k$H!"$=$l$,0lHVBg$-$$$h$&$J5$$b$7$^$9$,!#(B


>> $B$@$+$i!V<+;&:GM%@h!W$K$9$kI,MW$O$"$k$H;W$&!#$=$l$K$h$C$F!"!V5/F0$7$?(B
>> $B$F$N!"$^$5$K%H%i%V%k$NMW0x$H$J$C$?%W%m%;%9!W$,M%@hE*$K;_$a$i$l$k!#(B
NS> $B$3$l$O!"$=$l$[$I4JC1$JOC$8$c$J$$$H;W$$$^$9!#(B
NS> $B<B:]!":#2sLdBj$K$J$C$?(B FreeBSD $B$G$b!"0l1~!":G=i$KLdBj$N%W%m%;%9$K(B
NS> kill -9 $B$rAw$C$?$K$b4X$o$i$:!"7k6I$=$l$@$1$G$O4V$K9g$o$:$K!":a$N$J$$(B X 
NS> $B%5!<%P!<$^$G4,$-E:$($r$/$i$C$F;&$5$l$F$$$k$o$1$G!#(B

$B$3$l$O$I$&$7$F$G$7$?$C$1(B?
X$B$NJ}$,(B Priority $B$,9b$+$C$?$N$G(B X $B$,F0$-$@$7!"(Balloc $B$7$F$7$^$C$?(B?
X $B$NJ}$,>/$7$@$1%5%$%:$,$G$+$+$C$?(B?$B$G$b$G$+$+$C$?$N$G$"$l$P!"(B
$BLdBj$N%W%m%;%9$K:G=i$K(B kill -9 $B$rAw$C$?$j$7$J$$$h$J$!!D!#(B

Priority $B$NLdBj$G$"$l$P!"(BSIGKILL $B$KBP$7$F$O(B Priority $B$r$"$2$F$d$l$P(B
$B$$$$$o$1$G$9$h$M(B?


NS> $B$=$l$K!"%G!<%?$r%;!<%V$9$k$?$a$K!"?7$?$K%a%b%j$,I,MW(B
NS> $B$J$o$1$8$c$J$$$G$9$h!#(B($BEvA3!"(Bsigaltstack $B$/$i$$$7$F$*$/$o$1$G(B)

$B$=$l$O(B non-overcommit $BJ,$H$O!VJL$K!WI,MW$JJ,NL!"$H9M$($k$Y$-$J$s$G$7$g(B
$B$&$+!#$=$l$H$b$9$G$K%+%&%s%H$5$l$F$$$k$s$G$7$g$&$+!#(B

#$B$*$^$1$K!X(Bsignalstack $B$7$F$*$/!YEy$N!VNi57@5$7$$!W(BApplication
#$B$O$J$+$J$+LdBj$r5/$3$5$J$$$H$b;W$&$N$G$9$,!D!#(B


>> $B$?$H$($P$I$3$>$,=P$7$F$$$k!V%a!<%k$,FI$a$k7HBS(B($B$@$C$?$+(B PHS $B$@$C$?$+(B)$B!W(B
>> $B$Nkp$$J86g$GGd$j=P$7$?E[!#$"$l$NCf$O%a%b%j$,J*@($/>/$J$+$C$?$N$G!"$$(B
>> $B$m$$$m$J%I%i%$%P!<$,!X6[5^;~MQ!Y$b7s$M$FIaCJ$O;H$$$b$7$J$$$0$i$$6/Bg(B
>> $B$J%a%b%j6u4V$r8_$$$K%O!<%I%3!<%I$G(B lock $B$7$F$?!#$*$+$2$G!"K\Ev$K;H$&(B
>> $BI,MW$,$"$kE[$,!"I,MW$J$4$/C;4|4V!"I,MW$J%a%b%j$r3NJ]$G$-$J$/$F$($i$$(B
>> $B6lO+$7$?$H$$$&!D!#(B
NS> $B$3$l$O(B UNIX $B$K$O6KC<$K%a%b%j$,>/$J$$%7%9%F%`$NOC$G!"(BUNIX $B$,A*Br;h$K(B
NS> $B$J$k$h$&$J4D6-$G$O!"$=$b$=$bLdBj$K$J$i$J$$$G$7$g$&!#(B

$B$=$&$+$J$!!#7k6I!VIT0B!W$+$iMh$k!V2a>j3NJ]!W$,<B:]$N%j%=!<%9ITB-$r5/(B
$B$3$9$o$1$G$9$N$G!"(Bunix $B$+$I$&$+!"$H$$$&$N$O$[$H$s$ILdBj$G$O$J$/!"(B
$B!XIT0B$K46$8$k$+$I$&$+!Y(B
$B$@$1$,LdBj$G$7$g$&!#(B
---- 
$B1|;3(B $B7r0l(B@$BEl5~4pAC8&5f=j(B.$BF|K\(BIBM($B3t(B)[$BFzLn(BFC:No.0000000015]
#URL  http://www.dd.iij4u.or.jp/~okuyamak/
#$B:#F|$N$*8@MU!X%U%8%F%l%S!Y(B:$B9bLZ8WG7=u$r1~1g$7$?$$$H$$$&$N$OH=$k!#(B
#$B$@$,!"%9%W!<%s$G(B4$BBf$b$4$A$c$4$A$c$7$F$$$kLLGr$$$H$-$K$^$G!"(B
#$B8WG7=u$N%*%s%\!<%I$K8G<9$9$kI,MW$O$J$+$m$&$K!#(B
