From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans Reiser Subject: Re: mongo benchmark results Date: Mon, 26 Jul 2004 12:18:20 -0700 Message-ID: <410558FC.40204@namesys.com> References: <20040726173552.20ECA15EBD@mail03.powweb.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com In-Reply-To: <20040726173552.20ECA15EBD@mail03.powweb.com> List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: David Dabbs Cc: 'Alex Zarochentsev' , 'Elena Gryaznova' , reiserfs-list@namesys.com David Dabbs wrote: >>-----Original Message----- >>From: Alex Zarochentsev [mailto:zam@namesys.com] >>Sent: Monday, July 26, 2004 12:09 PM >> >>2 Lena: >> >>I have added a cpu utilization stat (ratio of system time for all cpus to >>total time, in percents) to mongo.pl. >> >>Please take new mongo before repeating the benchmark. >> >>-- >>Alex. >> >> > >For what it's worth, I reproduced the mongo runs with 8k files as Hans >suggested. Results are at > >http://dabbs.net/reiser4/mongo8kfiles.html > >The CREATE performance increase seems to have evaporated, though perhaps >that was what Hans was looking to test with the updated config. I was in a >hurry this morning and I may have varied the test slightly. I'll use Zam's >new mongo when I get home this evening. I will as well test copying and >compiling the kernel. Unless there's another recommended way to do this, I >I'll substitute the output from "time -c" into a mongo log file so >mongo_parser can compare the results. > >Zam/Elena where should I look for the new mongo tgz? I don't see it at >http://thebsh.namesys.com/benchmarks/. > >Thanks for the updated mongo. > >david > > > > > > > Ignore what I said about 500mb mongo, the dd gives the info desired. I don't understand these results. If they are correct, we have lost a lot of our ext3 performance advantage, and I want to know where it went. Elena, Zam, please comment.