Date: Thu, 22 May 2003 12:17:08 -0400 (EDT) From: Adrian Filipi-Martin <adrian+freebsd-perf@ubergeeks.com> To: patpro <patpro@patpro.net> Cc: freebsd-performance@freebsd.org Subject: Re: threads and performances Message-ID: <20030522121542.H54052@lorax.ubergeeks.com> In-Reply-To: <FE30BF34-8C47-11D7-B7BD-003065CDEB78@patpro.net> References: <FE30BF34-8C47-11D7-B7BD-003065CDEB78@patpro.net>
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On Thu, 22 May 2003, patpro wrote: > Hello, > > I use MySQL on several machines running freeBSD, and I was quite > surprised to read this : > http://jeremy.zawodny.com/blog/archives/000697.html > (and http://jeremy.zawodny.com/blog/archives/000203.html) > > here is the summary of the article : > > MySQL now runs very well on FreeBSD. I'm no longer steering people > toward Linux. There are two important things you should do to make > the FreeBSD/MySQL combo work well: (1) build MySQL with LinuxThreads > rather than FreeBSD's native threads, and (2) use MySQL 4.x or newer. > For more details, keep reading. > > Is this guy more or less wrong in his explanations about threads ? (I > was said so) > As I know nothing about threads, but I noticed a similar behavior on > MacOSX, and MySQL performances are as bad on FreeBSD as on MacOSX, > compared to linux. If you read further down you find that realpath(3) was one of the treading problems when using native threads. A thread-safe version is on -CURRENT and looks to be scheduled for an MFC real soon. Adrian -- [ adrian@ubergeeks.com ]
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