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Date: Thu, 05 Aug 1999 17:34:52 +0900
From: Atsushi Furuta <furuta@sra.co.jp>
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Subject: [FreeBSD-tech-jp 2405] Re: lack memory on 3.2-RELEASE
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  $B8EED$G$9!#(B

From: HAMADA Naoki <nao@tom-yam.or.jp>
Date: Thu, 5 Aug 1999 17:11:16 +0900 (JST)

>   $BB@$k$H$$$&$+!"<B:]$K5pBg$JNN0h$r$,$D$s$H(B mmap $B$7$F$k$_$?$$$G$9!#(B
> current/hackers $B$"$?$j$G2?EY$+OCBj$K$J$C$F$$$k$O$:!#(B

  $B$=$&$G$9$M!#$A$g$C$HA0$b(B hackers $B$G(B "Replacing for grep(1)", "Swap
overcommit" $B$"$?$j$N(B Subject: $B$GOCBj$K$J$C$F$^$9!#(B

>   $B2?$G$=$&$$$&$3$H$K$J$C$F$k$+$H$$$&$"$?$j!"(Brpc.statd $B$N%=!<%9%3!<%I$r(B
> $BD/$a$F65$($F$/$l$k<c$$?MJg=8!#Fq0WEYCf!)(B

  $BNc$K$h$C$F<c$/$O$J$$$G$9(B :-p $B$,!"(Brpc.statd/file.c $B$N(B init_file() $B$G(B

>  status_info = (FileLayout *)
>    mmap(NULL, 0x10000000, PROT_READ | PROT_WRITE, MAP_SHARED, status_fd, 0);

$B$H$7$F$^$9$M!#(B0x10000000 == 256MB $B$GB?J,$3$l$,(B VSZ $B$K%+%&%s%H$5$l$F$$(B
$B$k$h$&$J$N$G$9$,!"$3$l$O(B file (/var/db/statd.status) $B$K(B mmap $B$5$l$F$$(B
$B$F$7$+$b(B MAP_SHARED $B$J$N$G!"%U%!%$%k$r>CHq$9$k$3$H$O$"$C$F$b2>A[5-21$r(B
$B>CHq$9$k$3$H$O$J$$$H;W$&$N$G$9$,!"0c$&$N$+$J(B?
-- 
$B8EED(B $BFX(B
furuta@sra.co.jp
