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MySQL eventually using 100% of memory

  • Hi –

    We have a site on a dedicated server and are having to reboot the machine every few days or it hangs. Machine details are:

    Memory: 4033496k/4980736k
    Intel(R) Core(TM)2 Duo CPU E4600 @ 2.40GHz stepping 0d
    Brought up 2 CPUs
    CPU: L2 cache: 2048K

    WP vers 2.7.1
    Plugins:
    Dagon Design Form Mailer
    Google XML Sitemaps
    My Page Order
    TinyMCE Advanced
    WP Post Columns
    WP Super Cache

    The site gets about 5500 visits a day. It consists of 593 pages, no posts. The url is http://golfclubatlas.com

    What would be the ideal system requirements for a site like this? Is 4 gig RAM not enough? What about the processors? Sometimes I see CPUs fully utilized, too.

    Where do I start looking? I’ve disabled all plugins to see how the site runs, but see no better performance. It does run better with WP Super Cache.

    My my.cnf file is the default one installed with MySL on CentOS.

    If anyone has any suggestions, I would be grateful.

    Thanks,
    Beth

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