Date: Wed, 26 Oct 2005 14:49:43 +0200 From: Marian Hettwer <MH@kernel32.de> To: Robert Watson <rwatson@FreeBSD.org> Cc: current@freebsd.org Subject: Re: MySQL Performance 6.0rc1 Message-ID: <435F7B67.5080709@kernel32.de> In-Reply-To: <20051026133606.O32255@fledge.watson.org> References: <435F48DA.6060009@kernel32.de> <20051026105411.L32255@fledge.watson.org> <435F6B01.5020003@kernel32.de> <20051026133606.O32255@fledge.watson.org>
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Hi Robert, Robert Watson wrote: > > On Wed, 26 Oct 2005, Marian Hettwer wrote: > >>> - Use libmap to configure the mysql server to use libthr instead of >>> libpthread >>> >> uh. Last time I fiddled around with libmap.conf was back in FreeBSD >> 5.1 ... could you enlighten me a wee bit in regards to libmap.conf ? >> :) If not, I'll stress google a bit and hopefully find something >> useful... > > > libmap.conf(5) has the details, including examples. The easy (cheating) > way to accomplish the same thing is to replace /usr/lib/libpthread with > /usr/lib/libthr :-). Remember that for linker changes to the thread > library to affect an application, you need to stop and restart the > application. > Thanks for the input. I give it a try and report back later :-) >> my.cnf is pretty much my-medium.cnf on Debian and FreeBSD. Although, >> Debian has MySQL 4.1.11 and FreeBSD Ports has MySQL 4.1.14. As >> mentioned before, this benchmark here is a quick shot. However, the >> difference shouldn't be _that_ large (3600 vs. 14000). > > > I think you will find people generally agree with this viewpoint. :-) > Ack. the difference is that huge... well, for some reasons I don't know, I think a look into Linux' way of threading may be worth, hm? > BTW, you're running MySQL over UNIX domain sockets, not TCP, right? > indeed. Connect via /tmp/mysql.sock no network involved... best regards, Marian
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