Date: Mon, 19 Nov 2007 17:54:32 +0300 From: Alexey Popov <lol@chistydom.ru> To: Robert Watson <rwatson@FreeBSD.org> Cc: freebsd-stable@freebsd.org Subject: Re: 2 x quad-core system is slower that 2 x dual core on FreeBSD Message-ID: <4741A3A8.4010803@chistydom.ru> In-Reply-To: <20071119140019.V80667@fledge.watson.org> References: <4741905E.8050300@chistydom.ru> <20071119140019.V80667@fledge.watson.org>
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Hi Robert Watson wrote: > FreeBSD 7 contains significant optimization for increased numbers of > cores, and is where a lot of the work optimizing MySQL has ended up. I > see you're trying out a 6.3 beta, any chance you could try out a 7.0 > beta instead? Also, consider switching to "options SCHED_ULE" in the 7.0 > kernel rather than "options SCHED_4BSD". I tried SCHED_ULE, but got no difference: last pid: 1063; load averages: 22.75, 13.76, 6.31 up 0+00:07:24 17:53:49 56 processes: 33 running, 23 sleeping CPU states: 26.5% user, 0.0% nice, 68.1% system, 0.3% interrupt, 5.1% idle Mem: 365M Active, 20M Inact, 102M Wired, 664K Cache, 46M Buf, 3419M Free Swap: 2048M Total, 2048M Free PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 1019 www 1 101 0 101M 51244K RUN 6 0:37 26.86% httpd 1040 www 1 -4 0 92476K 42956K RUN 1 0:36 26.76% httpd 1004 www 1 -4 0 92476K 42864K RUN 4 0:38 25.98% httpd 1018 www 1 101 0 91452K 41736K CPU3 3 0:37 25.68% httpd 1000 www 1 101 0 92476K 42544K RUN 0 0:36 25.29% httpd 1026 www 1 101 0 93500K 39900K CPU0 0 0:35 25.20% httpd 1021 www 1 101 0 101M 49432K RUN 4 0:37 25.10% httpd 1024 www 1 101 0 93500K 44416K RUN 5 0:37 25.10% httpd 1020 www 1 101 0 94524K 43684K RUN 0 0:37 25.00% httpd 1030 www 1 101 0 96576K 46004K RUN 3 0:36 25.00% httpd 1031 www 1 101 0 101M 50956K RUN 3 0:37 24.66% httpd 1025 www 1 101 0 94524K 43880K RUN 5 0:36 24.56% httpd 1041 www 1 101 0 92476K 41792K RUN 2 0:36 24.56% httpd 1022 www 1 101 0 101M 48932K RUN 5 0:36 24.27% httpd With best regards, Alexey Popov
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