Date: Tue, 6 Nov 2012 12:10:02 -0700 From: "Samuel J. Greear" <sjg@evilcode.net> To: Yuri <yuri@rawbw.com> Cc: freebsd-hackers@freebsd.org Subject: Re: pgbench performance is lagging compared to Linux and DragonflyBSD? Message-ID: <CANY-Wm9nTPy5A3Eygb4BQmz60a8ose--3veoQHwFj3p66BFB8Q@mail.gmail.com> In-Reply-To: <50994FE0.2070205@rawbw.com> References: <50980ADD.4010402@rawbw.com> <CAGH67wScvnE7gYzVVtfehYbVfM465vrLjP9bX4KXSp8Sq-25mA@mail.gmail.com> <50994FE0.2070205@rawbw.com>
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On Tue, Nov 6, 2012 at 10:58 AM, Yuri <yuri@rawbw.com> wrote: > On 11/05/2012 12:52, Garrett Cooper wrote: >> >> FWIW, I think that the last time scheduler benchmarks from anyone at >> @FreeBSD.org (was kris@ the last one, or has flo@ run benchmarks since > > > I myself ran the similar test on i7 920 (4 cores 8 threads) @ 2.67 24GB with > 9.1-RC3 with all the same params except shmem size was 4GB, not 6GB: > http://i.imgur.com/mfnqr.png > In DragonflyBSD tests FreeBSD peaked at 96k tps. And my machine, with > roughly 3X lesser power, peaked at 44.5k tps. So in my test BSD performed > relatively better. And graph shape is more resembling linux/DragonflyBSD > ones. It looks like in their test FreeBSD behaved in somewhat impaired way. > > Any ideas what can I try to tune? > Single and multi-socket hardware are not really directly comparable in PostgreSQL tests. Sam > Yuri > > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org"
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