Re: threads and performances

From: Adrian Filipi-Martin (adrian+freebsd-perf_at_ubergeeks.com)
Date: 05/22/03

  • Next message: Patrick Proniewski: "(no subject)"
    Date: Thu, 22 May 2003 12:17:08 -0400 (EDT)
    To: patpro <patpro@patpro.net>
    
    

    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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  • Next message: Patrick Proniewski: "(no subject)"

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