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Date: Sun, 18 Jul 1999 17:39:06 +0900
Message-ID: <14225.37546.923358.46593C@ett.sat.t.u-tokyo.ac.jp>
From: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>
To: FreeBSD-users-jp@jp.freebsd.org
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At Sun, 18 Jul 1999 17:17:01 +0900,
Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp> wrote:
> ufs $B$G(B mount $B$G$-$k$h$&$K$J$j$^$7$?(B.
> $B$?$@$7(B, $BL5Cc6lCcCY$$$7(B(100KB-200KB/sec $B$H$$$C$?46$8(B), SCSI bus
> $B$D$+$s$@$^$^(B, disconnect $B$7$F$J$5$=$&$G$9(B.

iozone $B$G$O$+$C$F$_$?$H$3$m(B, write $B$O$=$s$JCY$/$J$5$=$&$G$9(B.
read $B$O(B dd $B$G$O$+$k$H$A$g$C$H$`$i$,$"$k$_$?$$$G(B, 1.4MB/s $B$,(B 10$BIC$0$i$$(B
$BB3$/$H(B, 200KB $B$0$i$$$K$,$C$?$HMn$A$F$7$^$&$h$&$G$9(B.
drive $B$N(B buffer $B$h$j$b$+$J$jBg$-$$$N$G2?$,860x$J$N$+$J(B.

($B$"(B, buffer$B$O(B 256KB $B$G$7$?(B...)

1.3GB MO$B$C$F$I$NDxEY(B speed $B$G$k$N$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

simokawa@lion:/dvd/simokawa> iozone auto

        IOZONE: Performance Test of Sequential File I/O  --  V2.01
(10/21/94)
                By Bill Norcott

        Operating System: FreeBSD 2.x -- using fsync()

IOZONE: auto-test mode 

        MB      reclen  bytes/sec written   bytes/sec read      
        1       512     280204              12201611            
        1       1024    178007              19173961            
        1       2048    321865              26843545            
        1       4096    211699              33554432            
        1       8192    203360              33554432            
        2       512     289887              12201611            
        2       1024    315435              19173961            
        2       2048    279329              24403223            
        2       4096    294014              33554432            
        2       8192    252052              38347922            
        4       512     435065              12782640            
        4       1024    330993              19173961            
        4       2048    329773              26843545            
        4       4096    348165              33554432            
        4       8192    394178              35791394            
        8       512     397387              11799360            
        8       1024    427104              17895697            
        8       2048    414412              26188824            
        8       4096    397829              30678337            
        8       8192    456328              35791394            
        16      512     398346              12064514            
        16      1024    437993              17043521            
        16      2048    428725              22605091            
        16      4096    453534              26843545            
        16      8192    426935              30678337            
Completed series of tests
