Date: Tue, 27 Feb 2007 15:59:52 -0500 From: Kris Kennaway <kris@obsecurity.org> To: "Jim C. Nasby" <decibel@decibel.org> Cc: smp@FreeBSD.org, hackers@FreeBSD.org, current@FreeBSD.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: Progress on scaling of FreeBSD on 8 CPU systems Message-ID: <20070227205951.GA56651@xor.obsecurity.org> In-Reply-To: <20070227182511.GD29041@decibel.org> References: <20070224213111.GB41434@xor.obsecurity.org> <20070227182511.GD29041@decibel.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, Feb 27, 2007 at 12:25:11PM -0600, Jim C. Nasby wrote: > On Sat, Feb 24, 2007 at 04:31:11PM -0500, Kris Kennaway wrote: > > Now that the goals of the SMPng project are complete, for the past > > year or more several of us have been working hard on profiling FreeBSD > > in various multiprocessor workloads, and looking for performance > > bottlenecks to be optimized. > > > > We have recently made significant progress on optimizing for MySQL > > running on an 8-core amd64 system. The graph of results may be found > > here: > > I do *not* want to start a database war here, but I'm wondering if any > testing has been done with PostgreSQL? The reason I'm asking is that > there are some benchmarks that show MySQL falling off drastically with > increased concurrency: > > http://www.mysqlperformanceblog.com/2006/11/30/interesting-mysql-and-postgresql-benchmarks/ > > It would be interesting to see how the changes you've made stack up > using PostgreSQL as the benchmark. I've mentioned this a couple of times, but postgresql didn't scale well [on freebsd at least] when I tried it last year. I hope to revisit when I get time. Kris
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20070227205951.GA56651>