From owner-FreeBSD-users-jp@jp.freebsd.org  Sat Oct 12 03:48:52 1996
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Date: Sat, 12 Oct 1996 03:48:47 +0900
Message-ID: <521.845059727@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]
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Subject: [FreeBSD-users-jp 5194] NFS client performance of current
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$B2<@n!wElBg$H?=$7$^$9!%(B

fj.os.bsd.freebsd$B$K$bF1FbMF$N(Bpost$B$r$7$?$N$G$9$,!$(B
$B0JA0$+$i(Bcurrent$B$N(BNFS$B$N@-G=$,:#0l$@$C$?$N$G!$D>$7$^$7$?!%(B
$B$I$NDxEY2~A1$5$l$?$N$+$H!$(Bdelayed write$B$r(Bdefault$B$K$7$?$[$&$,NI$$$+(B
$B$H$$$&$N$rCN$j$?$$$N$G!$8f6(NO$*4j$$$7$^$9!%(B

---fj$B$h$j(B---
$B$d$C$Q$j(BNFS$B$N(Bcode($B$H$$$&$h$j$O!$(Blocking$B$N(Bmechanism)$B$KLdBj$,$"$j$^$7$?!%(B
$B$=$l$rD>$9(Bpatch$B$rK\F|!$(B-current$B$N$[$&$K(Bcommit$B$7$F$b$i$$$^$7$?$N$G!$(B
$B6=L#$"$kJ}$O;n$7$F$_$F$/$@$5$$!%(B
$B;d$N4D6-$G$O!$(Biozone$B$N(Bwrite$B$,G\$"$k$$$O$=$l0J>e$K$J$j$^$7$?!%(B

$B!t<B$O(B2.1.0$B$H(Bcurrent$B$G$O(BNFS$B$N(Bcode$B$,7k9=JQ$C$F$$$^$9!%(B

1) $B:#F|0JA0$N(Bcurrent
2) $B:#F|0J9_$N(Bcurrent
3) $B:#F|0J9_$N(Bcurrent$B$G(B'sysctl -w vfs.nfs.dwrite=0'$B$r<B9T$7$?$"$H(B
		($BK\<AE*$K(B2.1.x$B$HF1$8(B)

$B$G!$(BNFS client$B$N(Bwrite$B$N(Bspeed$B$,$I$N$/$i$$0c$&$+7k2L$r;d$N$H$3$m$^$G!$(B
$BAw$C$F$$$?$@$1$k$H9,$$$G$9!%(B(read$B$O$?$V$s$"$^$jJQ$i$J$$$H;W$$$^$9(B)

$B;d$N$H$3$m(B(server Solaris)$B$G$O!$(B

1) 300KB/s
2) 600KB/s
3) 800KB/s

$B$K$J$j$^$7$?!%(BSGI$B$N(Bserver$B$@$H(B2)$B$,$b$C$H$b(Bperformance$B$,NI$$$h$&$G$9!%(B

$B!t$3$3$i$X$s$N!$:Y$$OC$O(Breebsd-lite2($B$J$<$3$3$K2s$5$l$?$N$+(B
$B!t$h$/J,$j$^$;$s$,(B)$B$N(Bmailing$B$N(Barchive$B$r8+$k$H$o$+$j$^$9!%(B

$B!t<!$O(Bserver$B$N(Bcode$B$@!%!%!%(B

$B$I$J$?$+(B, nfs_serv.c$B$K=q$$$F$"$k!$(B

Chet Juszczak, "Improving the Write Performance of an NFS Server",
in Proc. of the Winter 1994 Usenix Conference, pg. 247-259, San Franscisco,
Jan. 1994.

$B$H$$$&$N$r;}$C$F$$$kJ}$O$$$J$$$G$7$g$&$+!)(B

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