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Date: Wed, 6 Oct 1999 14:06:09 +0900 (JST)
Message-Id: <199910060506.OAA25715@srapc342.sra.co.jp>
From: Noriyuki Soda <soda@sra.co.jp>
To: FreeBSD-users-jp@jp.freebsd.org
References: <199910050539.OAA03875@bluemoon.elec.ryukoku.ac.jp>
	<199910050618.PAA06342@chimari.Panic.IRI.co.jp>
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Subject: [FreeBSD-users-jp 46345] Re: =?ISO-2022-JP?B?GyRCQmdNRhsoQg==?=
 =?ISO-2022-JP?B?GyRCTkwkTiVhJWIlajNOSl0hJkZJJF89cSQtIUQbKEI=?=
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Kenichi Okuyama wrote:
> $B$G$"$l$P!"5pBg$JO"B3$7$?%a%b%j6u4V$r3NJ]$9$k$H$-$K!"(Bmmap $B$,;H$($k$7!"(B
> swap $B$K(B NULL file $B$rMQ0U$7$F$b!"$$$-$J$j2>A[6u4VA4BN$r(B0$B$G=i4|2=$9$k(B
> $B$?$a$K(B(swap $BNN0h$r(B0$B%/%j%"$9$k$?$a$K(B)$B!"1d!9BT$?$J$/$F:Q$`J}$,NI$$!#(B

$B$3$l$O8m2r$G$7$g$&!#(BSolaris $B$r4^$`KX$I$N>&MQ(B UNIX $B$,%a%b%j3NJ];~$K9T$C(B
$B$F$$$k$N$O!"(Bswap $BNN0h$NC1$J$kM=Ls$G$9!#$3$NM=Ls;~$K9T$o$l$k$N$O!"4IM}(B
$B>pJs$N99?7$@$1$G!"(Bswap $B$N3d$jEv$F$b9T$o$l$^$;$s$7!"$^$7$F$d(B 0 $B%/%j%"(B
$B$9$k$?$a$K1d!9BT$D$3$H$b$"$j$^$;$s!#(B

Tetsuya TAKEDA wrote:
> $B$U$%$`!D!D!#$?$7$+!"(BUNIX $B$K2>A[5-21%7%9%F%`$,<BAu$5$l$?$N$O!"(B
> BSD $B$,:G=i$G$7$?$h$M!D!#(B($B"+(B $B!V(BBSD $B$r(B 256 $BG\;H$&$?$a$NK\!W(Betc.)
> # $B!D$H$$$&$+!"!V%Z!<%8%s%0J}<0$N!D!W$@$C$?$+$J(B? (^^;
> 
> BSD $B$H$$$&(B OS $B$O!"$3$N$h$&$J;H$$J}$r$9$k4D6-$r$^$:G0F,$K$$$l(B
> $B$F@_7W$5$l$?$N$G$7$g$&$+(B? $B$&!A$`!"$9$4$$$H$$$&$+$J$s$H$$$&$+!#(B

$B$$$$$(!#(B
$B2>A[5-21$,<BAu$5$l$?=i4|$N(B BSD (3BSD $B$H$+(B) $B$+$i(B 4.3BSD $B$N:"$^$G$O!"(B
Solaris $BEy$HF1$8F0:n$G$7$?!#(B
BSD $B$N2>A[5-21$NF0:n$,!"8=:_$N$h$&$KJQ$o$C$?$N$O!"(BMach $B$N(B VM $B$r(B
$B$H$j$$$l$?!"(BNet/2 $B$+$i$G$9!#(B

$B$J$*!"$3$N$h$&$JF0:n$r$9$k$N$O!"(BFreeBSD $B$J$I(B 4.4BSD $B7O(B UNIX $B$@$1$G$O$J(B
$B$/!"(BLinux $B$b$=$&$G$9!#>&MQ(B UNIX $B$G$O!"(BAIX $B$,(B ($B>/$J$/$H$b@N$O(B -- $B:G6a$O(B
$BCN$j$^$;$s(B --) $B$3$&$G$7$?!#(B

memory $B$r(B overcommit $B$9$k$3$H$NMxE@$O!"(Bswap $B$,>/$J$/$F:Q$`$3$H$K$"$k$o(B
$B$1$G$9!#$7$+$7!"(Bdisk $B$,0B$$$H$$$&8=>u$G$O!"$[$H$s$I$N>&MQ(B UNIX $B$,$d$C(B
$B$F$/$l$F$$$k$h$&$K(B backing store $B$rM=Ls$9$kJ}$,!"$`$7$m%j!<%:%J%V%k$@(B
$B$H$$$&5$$,$7$F$$$^$9!#(B

$B<B:]$K2s$j$N%^%7%s$G!"(Bbacking store $B$N(B reserve $B$,!"$I$l$/$i$$M>J,$K(B
$B%G%#%9%/$r>CHq$7$F$$$k$+$rD4$Y$?$3$H$,$"$j$^$9!#0J2<$O(B backing store 
$B$NM=Ls5!G=$,$"$k!"(BSunOS4 $B$J$$$7(B Solaris2 (SunOS5) $B$G!"$=$l$>$l(B 
pstat -s $B$J$$$7(B swap -s $B%3%^%s%I$r<B9T$7$?7k2L$G$9!#(B
($BK?=j$K(B post $B$7$?$b$N$J$N$G!"L\$K$5$l$?J}$bB?$$$+$H$O;W$$$^$9$,!#(B)

	SunOS	allocated reserved    total total/allocated
	-----	--------- -------- -------- ------------
	4.1.4       4268k    1248k    5516k 1.2924  
	4.1.2       7732k    1492k    9224k 1.193   
	4.1.4       8848k    3080k   11928k 1.3481  
	4.1.4      13532k    6772k   20304k 1.5004  
	5.5.1      15312k    5092k   20404k 1.3325  
	4.1.3      16112k    6512k   22624k 1.4042  
	4.1.2      26356k    1620k   27976k 1.0615  
	4.1.4      26560k    3756k   30316k 1.1414  
	5.5        26076k   11348k   37424k 1.4352  
	4.1.4      32984k    5556k   38540k 1.1684  
	5.6        32448k    7072k   39520k 1.2179  
	4.1.4      38056k    3692k   41748k 1.097   
	4.1.4      49064k    7672k   56736k 1.1564  
	4.1.4      67012k    7800k   74812k 1.1164  
	4.1.4      99348k   16956k  116304k 1.1707  
	4.1.4     118288k   11780k  130068k 1.0996  
	5.6       231968k   18880k  250848k 1.0814  
	5.7       307240k   19464k  326704k 1.0634  

$B$3$l$GJ,$+$kDL$j!">/$J$/$H$b$&$A$N$h$&$JMxMQ4D6-$G$O!"(Breserve $B$N$?$a$K(B
$BM>J,$KI,MW$K$J$k(B (== overcommitting $B$G@aLs$G$-$k(B) swap $B%5%$%:$O!"$?$+(B
$B$@$+(B 19MB $B$/$i$$$K2a$.$^$;$s$G$7$?!#(B

overcommitting $B%7%9%F%`$G$O!"(Bsparse $B$J%a%b%j6u4V$r;H$&:]$K(B swap $B$,(B
$B>/$J$/$F:Q$`$H$$$&5DO@$b$"$j$^$9!#$7$+$7!"$3$NE@$K4X$7$F$b!"(BSVR4 $B$d(B 
Solaris2 $B$J$i!"(Bmmap $B$K(B MAP_NORESERVE $B%*%W%7%g%s$r$D$1$l$P!"$=$N(B mmap 
$BNN0h$@$1$O!"(Bswap $B$rM=Ls$;$:$K:Q$^$;$k$3$H$b$G$-$^$9!#(B

Takeshi Amaike wrote:
>   $B$A$J$_$K(B NetBSD $B$G$O(B Mach-VM$B$+$i(B UVM$B$KJQ$o$j!"$3$N(B brk/sbrk$B$N%]%j%7(B
> $B$,JQ$o$C$?$HJ9$-$^$7$?$,$^$@;n$7$F$^$;$s!#(B

$B$$$$$(!"JQ$o$C$F$$$^$;$s!#(B
$B$?$@$7!"(B($B%*%W%7%g%s$G(B) $BJQ$($k$3$H$b$G$-$k$h$&$K$7$?$$$M$C$FOC$O!"2?EY(B
$B$+=P$F$^$9!#$7$+$7!"$^$@:n6H$O$5$l$F$J$$$H;W$$$^$9!#(B
--
soda
