Date: Tue, 20 Nov 2012 18:27:54 -0500 From: Mike Jakubik <mike.jakubik@intertainservices.com> To: <freebsd-performance@freebsd.org> Subject: Re: new DragonFly-3.2 scheduler and PostgreSQL comparision with FreeBSD 9.1-RC1 Message-ID: <9d0d4c08b2b18bcaef1a233d28f8079d@intertainservices.com> In-Reply-To: <50ABFC9A.80708@quip.cz> References: <507832E3.1050801@quip.cz> <CAJ-VmomzubLrG7apd2tFObo2C_C2J4jRanwdR6foY-x3wcRSuA@mail.gmail.com> <b1cf29ee9a4442df56a718cedd0516e1@intertainservices.com> <50ABFC9A.80708@quip.cz>
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On 2012-11-20 04:56 PM, Miroslav Lachman wrote: > Mike Jakubik wrote: >> These numbers show very significant improvements. Any >> possibility/interests in porting this scheduler to FreeBSD or this >> too >> much work? I know many have and still complain about our current >> scheduler. > > Just for the record. There is Phoronix benchmark comparing DF 3.0.3, > 3.2.1 and Ubuntu 12.10 showing that scheduler tweaks was good for > pgbench, but not so significant for other tasks. > > http://www.phoronix.com/scan.php?page=article&item=dragonfly_linux_32 > Indeed it seems like the performance gains were targeted at PostgreSQL, though performance has not dropped in any other areas according to this benchmark.
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