Date: Sat, 6 Aug 2005 23:06:17 -0500 From: Nikolas Britton <nikolas.britton@gmail.com> To: freebsd questions <freebsd-questions@freebsd.org> Subject: Big Files Message-ID: <ef10de9a050806210676a8b653@mail.gmail.com>
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> date && nice +20 cat /dev/urandom > testfile || date 06:27:43 to 12:44:06 (18919 seconds) > ll total 655028704 -rw-r--r-- 1 nbritton nbritton 670421843968 Aug 6 12:44 testfile > df -h|grep mnt /dev/da0s1d 679G 625G 2.0K 100% /mnt Average write speed: 670422MB / 18919 =3D 35.44MB/s (Cat was CPU bound, load was 1, P4 3E GHz) > date && cp testfile /dev/null && date 20:10:40 - 21:56:19 (6339 seconds) Average read speed: 670422MB / 6339 =3D 105.76MB/s (load was .3) Not bad for a few SATA drives > uname -a FreeBSD puddlejumper.local 5.4-RELEASE-p6 FreeBSD 5.4-RELEASE-p6 #3: Sat Aug 6 05:51:42 CDT 2005 =20 root@puddlejumper.local:/usr/obj/usr/src/sys/SE7210TP1E i386
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