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Date: Mon, 25 Feb 2002 11:54:27 +0900 (JST)
From: TOMITA Shigenari <ts@icu.ac.jp>
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In-reply-to: <a04320404b89f2d3fecc6@[192.168.0.2]> (message from Hashimoto Rio on Mon, 25 Feb 2002 09:02:56 +0900)
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$B$$$D$b(B ML $B$r$H$-$I$-FI$s$G$k$@$1$N9W8%$7$F$$$J$$IZED$G$9!#(B

   Date: Mon, 25 Feb 2002 09:02:56 +0900
   From: Hashimoto Rio <rio@tokyoalley.net>

   $B$J$s$+$G$9$M!"86J8$,%+%s%^$@$i$1$G$I$3$G(B
   $B6h@Z$C$?$i$$$$$b$N$d$i$J$N$G$9!((B

   FFS fixes.  We had some reports of deadlocks in FFS; it sounds like
   Matt Dillon has caught most of them, but combinations I'd particular
   like to see tested involve Quotas, Chroot, and NFS, under load, and
   involving memory mapping and heavy directory operations.

   $B:#FI$s$G$_$k$H!V(BQuotas, Chroot, and NFS$B!W$r!V(Bunder
   load, and involving memory mapping and heavy directory
   operations$B!W$H$NAH$_9g$o$;$G%F%9%H$9$k!"$,@52r$+$7$i!#(B
   $B$=$&$9$k$H(B under load $B$OIaDL$NIi2Y>uBV!"$H$$$&Lu$,@52r!)(B


Under load $B$OIi2Y>uBV$N$h$&$K$o$?$7$K$bFI$a$^$9!#$,!"!V!A$H$NAH$_9g$;(B
$B$G%F%9%H$9$k!W$8$c$J$$$h$&$KFI$a$^$9!#$D$^$j!D(B

$BLdBj$H$J$C$F$$$kJ8$N<g8l$O(B combinations $B$G!"=R8l$,(B test $B$N2a5n7A$J$s$8$c(B
$B$J$$$+$HFI$a$^$9!J$G$b!"$=$&FI$`$H(B Quotas $B$NA0$N(B involve $B$,%X%s$J$+$s(B
$B$8$,$9$k$s$G$9$1$I!"J8K!$bBLL\$J$o$?$7$J$N$G!"$^$!$3$l$b%"$j$J$N$+$H46(B
$B?4$7$A$c$$$^$9(B :-$B!K!#$H$9$k$H!"J70O5$$H$7$F$O!D(B

$BJs9p$N$"$C$?%G%C%I%m%C%/$NBgItJ,$,(B Dillon $B$5$s$K$h$C$F3NG'$5$l$?!#!J=$(B
$B@5$b$5$l$?!#!K$G$b!J=$@5$r!K8!>Z$7$?AH$_9g$o$;$O!"<+J,$,;n$7$F$_$?$+$C(B
$B$?$b$N$@$1!#6qBNE*$K$O!"(Bquota $B$d(B chroot $B$d(B NFS $B$J(B FFS $B%Q!<%F%#%7%g%s$r(B
$BIi2Y>uBV!J(Bmemory mapping $B$dBgNL$N(B directory $BA`:n$J$I$r4^$`!K$K$7$F$_$?!#(B

$B$F$J$+$s$8$KFI$a$^$9!J3g8L$,$$$C$Q$$$G$9$_$^$;$s!K!#:n<T$N?4$O!"$D$^$j!"(B
$B8!>Z$,8BDjE*$J$N$G%G%C%I%m%C%/$O$^$?5/$k$+$b$M$C$F8@$$$?$$$N$+$J$!$C$F(B
$B!J$@$+$i(B Dillon $B$5$s(B has fixed $B$8$cL5$/$C$F(B has caught $B$J$N$+$C$F!K!#(B

$B$J$*!"$3$l$O$D$^$i$J$$$3$H$G$9$,!"(Bheavy directory operations $B$C$F$'$H!"(B
$B$H$K$+$/$d$?$i$a$C$?$i(B mkdir $B$H$+(B rm -rf $B$7$^$/$C$?$j$C$F$J$3$H$K;W$((B
$B$k$N$G!"$3$3$OAGD>$K!VJ#;($J!W$h$j$b!V(Bheavy = $B$$$C$Q$$$N!W$H$7$?$[$&$,(B
$B$$$$$N$+$J$!!A$H;W$$$^$7$?!#$,!"$I$&$G$b$$$$$3$H$G$O$"$j$^$9!#(B :)
