Thanks, this is very useful. Fabien
Le 11 mai 2010 à 21:31, Alexey Shuvaev a écrit : > Hello! > > Just FYI: noticed addition of lzma directory to BSD.include.dist mtree file. > Well, now it seems to work! > > /* Test file size 264 MiB */ > [wep4035] ~> ll /usr/local/tinderbox/jails/9-amd64/9-amd64.tar > -rw-r--r-- 1 root wheel 277209600 Apr 20 20:58 > /usr/local/tinderbox/jails/9-amd64/9-amd64.tar > > /* Cache file in memory */ > [wep4035] ~> cat /usr/local/tinderbox/jails/9-amd64/9-amd64.tar > > /dev/null > > /* 30 seconds to gzip it */ > [wep4035] ~> time tar -cvzf 9-amd64.tar.tar.gz > /usr/local/tinderbox/jails/9-amd64/9-amd64.tar > tar: Removing leading '/' from member names > a usr/local/tinderbox/jails/9-amd64/9-amd64.tar > 30.043u 0.541s 0:15.32 199.6% 37+2093k 0+747io 0pf+0w > > /* 64 seconds to bzip2 it */ > [wep4035] ~> time tar -cvjf 9-amd64.tar.tar.bz2 > /usr/local/tinderbox/jails/9-amd64/9-amd64.tar > tar: Removing leading '/' from member names > a usr/local/tinderbox/jails/9-amd64/9-amd64.tar > 63.454u 0.686s 0:32.09 199.8% 37+2108k 0+650io 1pf+0w > > /* And 140 seconds to xz it */ > [wep4035] ~> time tar -cvJf 9-amd64.tar.tar.xz > /usr/local/tinderbox/jails/9-amd64/9-amd64.tar > tar: Removing leading '/' from member names > a usr/local/tinderbox/jails/9-amd64/9-amd64.tar > 277.625u 0.857s 2:19.26 199.9% 37+2092k 0+432io 0pf+0w > > /* Resulting sizes :)))) */ > [wep4035] ~> ll 9-amd64.tar.tar.* > -rw-r--r-- 1 lexx lexx 84830128 May 11 21:07 9-amd64.tar.tar.bz2 > -rw-r--r-- 1 lexx lexx 97667581 May 11 21:07 9-amd64.tar.tar.gz > -rw-r--r-- 1 lexx lexx 56366908 May 11 21:10 9-amd64.tar.tar.xz > > /* 3.5 seconds to gunzip the file (mostly IO-limited) */ > [wep4035] ~> cat 9-amd64.tar.tar.gz > /dev/null > [wep4035] ~> time tar -xvf 9-amd64.tar.tar.gz > x usr/local/tinderbox/jails/9-amd64/9-amd64.tar > 2.721u 0.747s 0:03.54 97.7% 42+2365k 3+2116io 0pf+0w > [wep4035] ~> rm -R usr/ > > /* 18 seconds to bunzip2 it */ > [wep4035] ~> cat 9-amd64.tar.tar.bz2 > /dev/null > [wep4035] ~> time tar -xvf 9-amd64.tar.tar.bz2 > x usr/local/tinderbox/jails/9-amd64/9-amd64.tar > 18.136u 0.999s 0:09.59 199.3% 37+2110k 1+2116io 0pf+0w > [wep4035] ~> rm -R usr/ > > /* And only 10 seconds to xzdec it */ > [wep4035] ~> cat 9-amd64.tar.tar.xz > /dev/null > [wep4035] ~> time tar -xvf 9-amd64.tar.tar.xz > x usr/local/tinderbox/jails/9-amd64/9-amd64.tar > 10.304u 0.771s 0:05.59 198.0% 38+2164k 3+2116io 0pf+0w > [wep4035] ~> rm -R usr/ > > > Thanks to all involved in bringing it to HEAD! > > Alexey. > > P.S. I'm not claiming any statistical validity of provided timings nor > that the testing procedure is correct. It is just to show that tar in HEAD > now works with lzma/xz compression. > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org" _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
