Date: Wed, 26 Aug 1998 13:55:29 -0400 From: Dennis <dennis@etinc.com> To: Julian Elischer <julian@whistle.com>, hackers@FreeBSD.ORG Cc: jason@idiom.com Subject: Re: Help, Linux beats freebsd to death (fwd) Message-ID: <199808261742.NAA13879@etinc.com> In-Reply-To: <Pine.BSF.3.95.980826081830.2244B-100000@current1.whistle.c om>
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Linux is caching something that freebsd isnt...the only explanation for this I think. Or maybe a SCSI cache? are the hard disks and controllers the same? Dennis At 08:22 AM 8/26/98 -0700, Julian Elischer wrote: > >Anyone got good ideas? >Jason, can you figure out what system calls are being performed at this >time? >Is it network re;lated, or filesystem related? >Are there pthread related elements? > > >Maybe a ktrace might give some clues.. >(or a profile?) > >this has to be something really silly, because one order of magnitude >is just ridiculous.. > > >julian > >---------- Forwarded message ---------- >Date: Wed, 26 Aug 1998 00:12:20 -0700 >From: Jason Venner <jason@idiom.com> >To: julian@whistle.com >Cc: hosler@lugs.org.sg >Subject: Linux beats freebsd to death > > >Note I just posted on the postgresql ports board. >Either the K6-200 is the fastest machine on the earth or there is >something seriously wrong with postgresql/jdbc and freebsd > > >I have a couple of machines that I run postgres 6.3.2 on. >Linux 2.0.32 K6-200 1meg cache, 128meg ram, scsi disks - fileserver/workstation/web server/dbms > gcc - 2.7.2 >FreeBSD 2.2.5-RELEASE P200 512k cache, 96meg ram, scsi - workstation/web server/dbms >FreeBSD 2.2.7-RELEASE PII-333 512k cache, 256meg ram, scsi - web server/dbms > > >I have a testsuite that creates a table and inserts a set bunch of rows. >I try the table in autocomit on/off mode and rollback and commit it etc. >to collect informatin. > >I am using the distributed jdbc driver as my interface. > >Under the linux machine it takes on the order of 2 seconds to do this >on the 2.2.5 freebsd machine it takes on the order of 18 seconds >on the 2.2.7 freebsd machine it takes on the order of 21 seconds > > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-hackers" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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