From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans Reiser Subject: Re: Reiser4 / Reiserfs bonnie++ performance comparison Date: Fri, 09 Jul 2004 11:37:11 -0700 Message-ID: <40EEE5D7.7040306@namesys.com> References: <20040709165924.27fabe63@philou.gramoulle.local> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com In-Reply-To: <20040709165924.27fabe63@philou.gramoulle.local> List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: =?ISO-8859-1?Q?Philippe_Gramoull=E9?= Cc: ReiserFS Mailing List , Vladimir Saveliev Philippe Gramoulle' wrote: > Hello, > >Below are results from bonnie++ done on reiser4 and reiserfs. >Each result is an average of 5 runs. > >For Reiser4 i used default mkfs options and -o formatting=extents >For Reisefs i used default mount options and -o notails > >Assuming that default behavior of bonnie++ is to use twice the RAM of the server, >no reboot was done between consecutive runs > >Bonnie++ was run like this : bonnie++ -x 5 -d bonnie > >Hardware: Dell PowerEdge 2550 1GHz SMP, 1Go RAM, SCSI 15K RPM U160 Seagate Cheetah X15 Disk >Software: Debian Sid + 2004.07.02 Reiser4 auto snapshot ( 2.6.7-mm4 ) >.config file available here if interested: http://philou.org/linux/reiser4/config-2.6.7-mm4 > >Biggest regression seems to be in deletes. > > I would like to know exactly what is being done in sequential block output phase of this benchmark. vs, please comment on that and why reiser4 is slow at it. >I will gladly redo my benchmarks if you feel i did or missed something obviously important, >or you'd like me to test other FSes as well > >Comments are welcome. > >Thanks, > >Philippe > >-- >Lycos Europe Noc > > > >Average of 5 runs with reiser4 ( no special mkfs options ) > >Version 1.03 ------Sequential Output------ --Sequential Input- --Random- > -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- >Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP >localbox 2G 15357 93 29126 24 17855 24 15994 93 40185 26 322 1 > ------Sequential Create------ --------Random Create-------- > -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- > files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP > 16 19839 99 +++++ +++ 7394 99.8 7632 100 +++++ +++ 7326 99.8 > > >Average of 5 runs with reiser4 ( mkfs option -o formatting=extents) > >Version 1.03 ------Sequential Output------ --Sequential Input- --Random- > -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- >Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP >localbox 2G 15221 92 30467 25 17341 23 16059 94 40183 26 319 1 > ------Sequential Create------ --------Random Create-------- > -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- > files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP > 16 19728 99 +++++ +++ 7361 99.8 7576 99 +++++ +++ 7265 99.8 > > >Average of 5 runs with reiserfs ( no special mount options ) > >Version 1.03 ------Sequential Output------ --Sequential Input- --Random- > -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- >Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP >localbox 2G 16207 97 30432 30 16978 16 15100 91 38487 22 349 1 > ------Sequential Create------ --------Random Create-------- > -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- > files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP > 16 12433 99 +++++ +++ 10349 96 11836 99 +++++ +++ 9248 99.8 > > >Average of 5 runs with reiserfs ( mount option -o notails) > >Version 1.03 ------Sequential Output------ --Sequential Input- --Random- > -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- >Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP >localbox 2G 16029 96 33199 33 16201 15 15226 91 38606 22 348 1 > ------Sequential Create------ --------Random Create-------- > -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- > files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP > 16 12423 99 +++++ +++ 10719 99 11767 99 +++++ +++ 9241 99.4 > > > > >