From owner-FreeBSD-users-jp@jp.freebsd.org  Mon Oct 21 01:53:15 1996
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Date: Mon, 21 Oct 1996 01:53:12 +0900
Message-ID: <23288.845830392@sat.t.u-tokyo.ac.jp>
From: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>
Reply-To: FreeBSD-users-jp@jp.freebsd.org
X-Distribute: distribute [version 2.1 (Alpha) patchlevel=19]
X-Sequence: FreeBSD-users-jp 5419
Subject: [FreeBSD-users-jp 5419] Re: NFS client performance of current
Errors-To: owner-FreeBSD-users-jp@jp.freebsd.org
Sender: owner-FreeBSD-users-jp@jp.freebsd.org

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

$B!t$&!<$`!$$d$C$Q$j(BNFS$B$O1|$,?<$$!%!%!%(B

> tcpdump $B$N%G!<%?$O%W%i%$%Y!<%H%a!<%k$G$*Aw$j$7$F$*$-$^$9!#(B
$B$"$j$,$H$&$4$6$$$^$7$?!%(B

> $BJs9p$,1L$l$F$$$^$7$?$,!"(Biozone $B$G>.$5$J%5%$%:$r;XDj$7$?>l9g$O!"(Bread $B$N(B
> $B%Q%U%)!<%^%s%9$K1F6A$O=P$F$$$^$;$s!#(Bserver $BB&$N(B disk cache $B$KF~$j@Z$i(B
> $B$J$/$J$k$/$i$$$NBg$-$5$N;~$K0c$$$,=P$FMh$k$h$&$G$9!#(B
$B$J$k$[$I!$(Bserver$B$N(Bresponse$B$,0-$/$J$C$?$H$-$K:9$,$G$k$_$?$$$G$9$M!%(B

$B$G!$$7$P$i$/?'!9D4$Y$F$_$?$N$G$9$,!$860x$N8!F$$O$D$-$^$7$?!%(B
$B$H$$$C$F$b!$;d$N(Bpatch$B$,$I$&1F6A$7$F$$$k$N$+$OJ,$j$^$;$s(B.
nfs_bio.c$B$K(Bread ahead$B$H$$$&$N$,<BAu$5$l$F$$$k$N$G$9$,!$$3$l$,(B
$B$$$^0l$D$G$9!$(Bdefault$B$G$O!$(B1 block$B@h$rFI$s$G$$$k$N$G$9$,!$(B
$B<!$KFI$`$H$-$K!$@hFI$_$N7k2L$N(Breply$B$,Mh$F$$$l$P$$$$$N$G$9$,!$(B
$BMh$F$$$J$$$H!$(Bcode$B$r8+$k8B$j$G$O!$F1$8(Brequest$B$r=P$9$h$&$J46$8$K$J$C$F(B
$B$$$^$9!%(BBSDI$B$H(BNetBSD$B$N(Bcode$B$r8+$?8B$j$G$O!$BP:v$r9V$8$F$"$k$h$&$J$N$G!$(B
$B$*$=$i$/BP1~$O$=$&Fq$7$/$J$$$H;W$$$^$9!%(B
$B!t$=$l$GD>$l$PNI$$$G$9$,!%!%!%(B

$B$b$7;d$N?dB,$,@5$7$1$l$P!$(Btcpdump$B$G$_$k$H!$(B
1) $BB.$$$H$-(B - request $B$H(B response$B$,$[$\8r8_$K8=$l$k!%(B
2) $BCY$$$H$-(B - request $B$H(B response$B$,(B2$B8D$E$D8r8_$KI=$o$l$k!%(B
$B$H$$$&$+$s$8$K$J$k$H;W$&$N$G$9$,!$$I$&$G$7$g$&$+!)(B

$B$b$&$A$g$C$H3NG'$7$F$+$i(Bsend-pr$B$7$F$*$-$^$9!%(B

> $B:Q$_$^$;$s!#A0$N%a!<%k$G$N7k2L$O(B V2 $B$G$N$b$N$G$7$?!#(B:-)
$B$=$l$J$i!$G<F@$7$^$9!%$$$/$i$J$s$G$b(Bv3$B$G(B100K$B$d(B200K$B$7$+$G$J$$$N$O!$(B
$BHa$7$$$G$9$+$i!%(B

$B;d$O!$$;$C$+$A$J$b$s$G!$$?$$$F$$(B1MB$B$0$i$$$NFI$_=q$-$7$+$7$J$$$N$G(B
read$B$K$D$$$F$O!$?t(BMB/s$B$H$+$G$k$H!$$"$"(Bcache$B$,8z$$$F$k$+$i4X78$J$$$d(B
$B$H$+;W$C$FL5;k$7$F$$$^$7$?!%$*$+$2$5$^$G$^$?8-$/$J$j$^$7$?!%(B_o_

$B!tIaCJ;H$C$F$$$k(Bmachine$B$N(Bmemory$B$O(B64M$B$H$+(B128M$B$J$N$G!$$J$+$J$+(B
$B!t(Bcache$B$N8z2L$r>C$9$N$O9|$J$N$G$9!%!%!%(B

> # V3 $B$r%5%]!<%H$7$F$$$kF1;N$J$i>!<j$K(B V3 $B$K$J$C$F$/$l$k$b$N$@$H;W$C$F(B
> # $B$$$^$7$?!#(BV3 $B$G(B mount $B$9$k$K$O(B option $B$rL@<(E*$K;XDj$7$J$1$l$P$$$1$J(B
> # $B$+$C$?$s$G$9$M!#(B
NetBSD$B$H$+$O(Bdefault$B$,(Bv3$B$K$J$C$F$$$k$=$&$G$9$,!$(BFreeBSD$B$O$^$@$_$?$$$G$9(B
$B$M!%$b$C$H$b!$$^$@$A$g$C$H4m81$_$?$$$G$9$+$i!%(B
$B!t?t$+7nA0$@$H!$(Bsolaris$B$+$i(Bfreebsd$B$N(Bfilesystem$B$r(Bmount$B$7$h$&$H$9$k$H(B
$B!t$$$-$J$j(Breboot$B$H$7$F!$$7$+$b(Bsolaris$B$O(Bmount$B$N(Brequest$B$rAw$jB3$1$F$$$k(B
$B!t$N$G!$$?$A$"$,$C$F$b$^$?$9$0;`$L$H$$$&Ha;4$J>u67$G$7$?!%(B
$B!t$7$g$&$,$J$$$N$G!$(Bsolaris$B$N$[$&$b(Breboot$B$7$^$7$?$,!%(B

> V3 $B$G(B Solaris $B$H$N>l9g$N7k2L$O!"DI;n$7$F$"$i$?$a$FJs9p$7$^$9!#(B
$B$=$&$G$9$M!$<!$O(Bv3$B$NLdBj$r$A$g$C$H8+$F$_$?$$$H;W$$$^$9!%(B

$B$"$H(B2$B=54V$0$i$$$G!$(B2GBx6$B$0$i$$$N(Bdisk$B$rIU$1$kM=Dj$N(Bmachine$B$,$/$k$N$G!$(B
ccd + NFS$B$G$I$N$0$i$$$N@-G=$,$G$k$+!$;n$7$F$_$?$$$H;W$$$^$9!%(B

$B!t$=$m$=$m!$8&5f<<$N(Bhome$B$r(BSS20(SunOS)$B$+$i(BFreeBSD$B$K0\$=$&$+$H;W$C$F$$$^$7$F!$(B
$B!t$=$N$?$a$K(BNFS$B$N(Btuning$B$r$d$C$F$$$?$j$7$^$9!%(B
$B!t85!9$O(BUltra$B$K0\$=$&$+$H;W$C$F5nG/(B250$BK|$0$i$$$GGc$C$?$N$G$9$,!$(B
$B!t$"$^$j$K;H$$>!<j$,0-$$$7!$:#G/(BPentiumPro$B$rGc$C$?$i(B(motherboard$B$H(BCPU
$B!t$N8r49$G(B20$BK|DxEY(B ^_^)$B!$$3$C$A$N$[$&$,BgDq$NJ*$,B.$$$N$G(B,$B$"$H$O(BNFS$B$NLdBj(B
$B!t$@$1$J$s$G$9!%(B

NFS$B$C$F$I$N$0$i$$$N(Bperformance$B$,=P$k$Y$-$b$N$J$N$+!$$H$$$&$N$K(B
$B6=L#$,$"$k$+$?$O!$(B
http://www.netapp.com/technology/level3/index.html
$B$K$"$k!$(B

NFS Version 3 Design and Implementation

by Brian Pawlowski, Chet Juszczak, Peter Staubach, Carl Smith, Diane
Lebel, and David Hitz
Presented June 9, 1994: USENIX Summer 1994 - Boston, Massachusetts

$B$H$$$&$N$rFI$`$H$*$b$7$m$$$G$9!%C;$$$N$G4JC1$KFI$a$^$9$7!$(Bv3$B$@$1$G$J$/!$(B
v2$B$N(Bacceleration$B$K$D$$$F$b$$$m$$$m=q$$$F$"$j$^$9!%(B

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