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Date: Sun, 29 Jul 2001 19:43:32 +0900 (JST)
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To: man-jp-reviewer@jp.freebsd.org
From: Kazuo Horikawa <horikawa@psinet.com>
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Subject: [man-jp-reviewer 3708] Re: tuning.7
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 $BKY@n$G$9!#(B

dais@iris.dti.ne.jp (Daisuke Higashi) wrote:
> 1) softupdates $B$N(B 1 $B$D$a$N(B downside $B$,Ff!#[)$/!"(B
> 
>     First, softupdates guarantees filesystem consistency
>     in the case of a crash but could very easily be several seconds
>     (even a minute!)  behind updating the physical disk.
>     If you crash you may lose more work than otherwise.
> 
>    $B$H$N$3$H$G$9$,!"(B($B%a%?%G!<%?$N(B)$B0l4S@-$OJ]>Z$9$k$1$I!"(B
>    $BJ*M}%G%#%9%/$K%U%!%$%k$NFbMF$r=q$-9~$`4V3V$O(B
>    $BDL>o$h$jD9$/$J$k$N$G@.2L$r<:$&2DG=@-$,9b$/$J$k$C$F$3$H$G$7$g$&$+!#(B
 $B$=$&$@$H;W$$$^$9!#$3$N$^$^$GNI$$$N$G$O$J$$$G$7$g$&$+!#(B

> 2) $B%9%H%i%$%T%s%0%5%$%:$N(B "off-centered" $B$C$F$I$&Lu$;$P$$$$$G$7$g$&$+(B?
 off- $B$G!V!A$+$iN%$l$F$$$k!W$H$$$&0UL#$J$N$G!"Cf?4$r30$l$?$H$$$&0UL#$G(B
$B$7$g$&!#$3$N$^$^$GNI$$$N$G$O$J$$$G$7$g$&$+!#(B
 
> 3) route-specific send and receive buffer size
>    ($B7PO)$KFC2=$7$?Aw<u?.%P%C%U%!%5%$%:(B) $B$C$F2?$G$7$g$&$+!#(B
 $BK\J8$K$"$C$?$h$&$K!VBS0h$dCY1d$K1~$8$F!"%P%C%U%!%5%$%:$rJQ$($k$HNI$$!W(B
$B$H$$$&$3$H$G$9$,!"!V7PO)Kh$K%P%C%U%!%5%$%:$rJQ$($kFCJL$J5!G=$,%+!<%M%k(B
$B$K$"$k$+!)!W$H$$$&$H!"EvJ}JY6/ITB-$N$?$aJ,$+$j$^$;$s$G$9!#(B

>    $B7PO)$K$h$C$F%P%C%U%!%5%$%:$rJQ$($i$l$k$H$$$&$3$H$+$J$"!#(B
>    route(8) $B$r8+$h$H$N$3$H$G$9$,!"<j85$N(B 4.3-stable $B$K$O(B
>    $B$=$l$K3:Ev$9$k5-=R$O8+Ev$?$j$^$;$s$G$7$?!#(B
 route(8) $B$O!V7PO)I=!W$N@bL@$+$J!)(B

>    current $B$N5!G=$J$s$G$7$g$&$+!#(B
 $B%=%1%C%H(B API $B$N>l9g!"!V%"%W%j%1!<%7%g%s$,!"7PO)Kh$K!"(Bsetsockopt $BEy$G(B
$B%=%1%C%H%P%C%U%!%5%$%:JQ$($k$HNI$$!W$H$$$&0U?^$+$J!#<+?.$J$7!#(B
--
$BKY@nOBM:(B
