From owner-FreeBSD-users-jp@jp.freebsd.org  Mon Oct 21 22:55:57 1996
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Date: Mon, 21 Oct 1996 22:55:54 +0900
Message-ID: <3578.845906154@sat.t.u-tokyo.ac.jp>
From: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>
Reply-To: FreeBSD-users-jp@jp.freebsd.org
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X-Sequence: FreeBSD-users-jp 5447
Subject: [FreeBSD-users-jp 5447] Re: NFS V3 performance
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Sender: owner-FreeBSD-users-jp@jp.freebsd.org

$B2<@n!wElBg$G$9!%(B

> $B2<@n$5$s$K65$($FD:$$$?(B URL $B$+$i(B PS $B%U%!%$%k$r%@%&%s%m!<%I$7$F$-$?$P$+(B
> $B$j$G(B NFS $B$N;EAH$_$K(B($BFC$K(B ver2 $B$H(B ver3 $B$N0c$$(B)$B$D$$$FJY6/ITB-$J$N$G$9$,!"(B
> read ahead $B$N8z2L$@$1$G(B 10BaseT(10MBit/s)$B@\B3$K$*$$$F(B
> 
> >         1       8192    138798              44739242            
> 
> $B$3$N$h$&$J?t;z(B(44MB/s)$B$,$G$k$b$N$J$s$G$7$g$&$+(B? 
$B$&!$?t;z$N7e$r$A$c$s$H3NG'$7$F$$$^$;$s$G$7$?!$$3$l$O(Bclient$BB&$G(Bcache$B$,(B
$B8z$$$F$$$k$N$G$7$g$&$M!%(BNFS$B$N(Bcache$B$N(Bcontrol$B$O$^$@NI$/J,$C$F$^$;$s!%(B
V2$B$G$O:G8e$KJQ99$5$l$?;~4V$r;29M$K(Bexpire$B$N;~4V$r7h$a$F$$$k$h$&$J$s$G$9(B
$B$,(B($B$@$+$i(Biozone$B$_$?$$$KD>A0$K(Bmodify$B$7$?$b$N$O!$(Bcache$B$,8z$+$J$$$_$?$$(B)
V3$B$G$O!$$J$s$+!$(Bcache$B$N$?$a$N$A$g$C$H$7$?;EAH$,F3F~$5$l$F$$$k$_$?$$$G(B
$B$9!%$=$N(Bps file$B$K$b$J$s$+=q$$$F$"$j$^$7$?!%(B

> auto $B$N7k2L$NESCf$r$O$7$g$C$F$7$^$C$?$N$,0-$$$s$G$9$,!"(Bread $B$G%a%G%#%"(B
> $BB.EY$r1[$($k?t==(BMB/s $B$r5-O?$9$k$N$O%G!<%?%5%$%:$,(B 4MB $B$^$G$G!"0J9_$O(B 
> 16MB $B;~$K6a$$CM(B(1MB/s$B<e(B)$B$H$J$j$^$9!#$3$N$?$a(B (2)$B!"(B(3) $B$N(B read $B$,B.$$$N(B
> $B$O!"(BVer3 $B$+$i(B client $BB&$K%m!<%+%k$J(B cache $B$G$b;}$D$h$&$K$J$C$?$N$+$H>!(B
> $B<j$KA[A|$7$F$$$^$7$?!#D>A0$N(B write $B$,(B cache $B$KF~$j@Z$k4V$O!"<!$N(B read 
> $B$N:]$K$O(B cache $B$NFbMF$,M-8z$+$I$&$+$r3NG'$9$k$@$1$G!"<B:]$K(B server $B$+(B
> $B$i%G!<%?$rFI$s$G$k$o$1$G$O$J$$$s$8$c$J$$$+$H!#(B
$B$?$V$s$=$&$G$9$M!%(B

> # $B$&!<!<$s!"(Btcpdump $B$H$C$F8+$F$_$l$P0lH/$G$o$+$kOC$G$9$M!#(BVer3 $B$N%F%9(B
> # $B%H$N:]$O<h$jB;$M$F$^$7$?!#(B:-)

> $B$$$:$l$K$;$h(B Ver3 $B$G$N%F%9%H$O!"(Btcpdump $B$r<h$C$F$b$&0lEY9T$J$C$F$_$^$9!#(B
> $B$=$N:]$K$OD:$$$?(B patch $B$bEv$F$F$_$h$&$+$H;W$$$^$9!#(B
V3$B$@$H$^$9$^$9>u67$,$3$s$,$i$,$C$F$/$k$N$G!$;d$O$H$j$"$($:$O(BV2
$B$K$@$1$r9M$($k$h$&$K$7$F$$$^$9!%(BV3$B$O$*$^$+$;$7$^$9(B ^_^;

> # $B:#F|$O(B TECRA $B$,<j85$K$J$$$N$G%F%9%H$G$-$^$;$s$,(B...
> # $B$$$D$G$b%F%9%H$G$-$k$h$&$K!"2q<R$K(B FreeBSD $B$r%$%s%9%H!<%k$G$-$k%^%7(B
> # $B%s$rC5$7$?J}$,Aa$$$+$J(B? sniffer $B$b$"$k$7!#(B
tcpdump$B$@$H!$(Btiming$B$OJ,$k$N$G$9$,!$<B:]$N(Brequest$B$NFbMF$,$o$+$j$^$;$s!%(B
$B$?$V$s!$(Btcpdump$B$N=q$-$@$9(Bfile$B$K(BNFS$B$N(Bheader$B$OF~$C$F$$$k(B($B$"$k$$$OF~$l$k(B
$B$3$H$O2DG=$J$N$G(B)$B$=$l$r2r@O$9$k(Bprogram$B$G$b=q$1$PNI$$$N$G$7$g$&$1$I!%(B
sniffer$B$@$H$o$+$C$?$j$7$^$9!)(B

$B$=$&$$$($P!$(BLinux$B$d(BFreeBSD$B$G;H$($k(Bsniffer$B$_$?$$$J$b$N$,$"$C$?$H(B
$B;W$&$N$G$9$,!$(BURL$B$rK:$l$F$7$^$$$^$7$?!%$I$J$?$+CN$C$F$$$kJ}$,$$$?$i(B
$B65$($F$/$@$5$$!%(B

/\ Hidetoshi Shimokawa
\/  simokawa@sat.t.u-tokyo.ac.jp
PGP public key: finger -l simokawa@sat.t.u-tokyo.ac.jp
