Date: Wed, 27 Aug 2003 09:53:22 -0400 From: Bill Moran <wmoran@potentialtech.com> To: Alexander Leidinger <Alexander@Leidinger.net> Cc: freebsd-performance@freebsd.org Subject: Re: Performance tests I did with FreeBSD, Linux and PostgreSQL Message-ID: <3F4CB7D2.9000503@potentialtech.com> In-Reply-To: <20030827114316.300fd455.Alexander@Leidinger.net> References: <3F4C143D.7000909@potentialtech.com> <20030827114316.300fd455.Alexander@Leidinger.net>
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Alexander Leidinger wrote: > On Tue, 26 Aug 2003 22:15:25 -0400 > Bill Moran <wmoran@potentialtech.com> wrote: > >>http://www.potentialtech.com/wmoran/postgresql.php > > You don't talk about integrity on this page. Yes I do. It's in the conclusion section. It's not a major part of that document because I didn't test integrity, therefore I have no real conclusions beyond the fact that ext2 is not designed with integrity in mind. > You also present > only the ufs sync and async numbers, but not the noasync (default) > numbers, you should either present them or add a note why you don't > present them. You're right. I'll correct this. > About the "without debugging" description: did you really only remove > INVARIANTS? If yes: you also need to remove WITNESS. WITNESS is not enabled in the GENERIC kernel for 5.1-RELEASE, so there was no need to disable it. > I don't know if 5.1-RELEASE has malloc debugging enabled, but to be on > the safe side you should maybe do a "ln -s aj /etc/malloc.conf" before > you start PostgreSQL. I may look into that, but it seems like the more important thing to do is test 4.8 at this point. If you look at the times, these tests are time-consuming. I probably should have reduced the number of records involved, but if I do that now, I have to rerun all the tests ... -- Bill Moran Potential Technologies http://www.potentialtech.com
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