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persistent MySQL connections (3 posts)

  1. hefebreo
    Member
    Posted 4 years ago #

    in advande sorry for the bad english, i got a big spike in visits yesterda and my website went down, i tought that my server was unable to handle the spike or someting and ask to support (dreamhost) and got this aswer:

    "Sorry to hear that you're having trouble here! Unfortunately, the problem
    that caused your site to stop working wouldn't have been helped by
    caching. It looks like you might have a plugin installed that's opening
    persistent MySQL connections to perform its queries. What that means is
    whenever a page was loaded that used whichever plugin was causing this a
    MySQL connection was opened to your MySQL server and then never closed.
    These built up until your MySQL user got locked out due to having too
    many open connections (300). It's hard to say which plugin is doing this,
    so you'll likely need to do some troubleshooting on your own. If you're
    unsure where to start, generally disabling all plugins but your most
    essential ones is a good place to start. From there, you might try asking
    for some help in the WordPress forums here:

    http://wordpress.org/support/

    Listing the plugins you're using and asking for help figuring out which
    ones might be opening persistent connections might be a good place to
    start there. Alternately, you could try searching that forum for each
    plugin you're using to see if there are known issues."

    i had search the forums and only found one similar post whit karma coments as the causing problems plugin, but i dont use that plugin, this is the list of the ones i have on:
    Akismet, all in One SEO Pack, Contact Form 7, Exclude Pages from Navigation, FD Feedburner Plugin, Featured Content Gallery, flickrRSS, Get Recent Comments, Google XML Sitemaps, Hybrid Hook, Ozh' Better Feed, Permalink Redirect, SEO Smart Links, Smart Ads, Subscribe To Comments, Viper's Video Quicktags, WordPress Database Backup, WordPress Thread Comment, WP-Polls, WP125, WP Super Cache, Yet Another Related Posts Plugin.

    How could i find the plugin that is causing me problems? or any other idea to troubleshot this?

    thank you in advance

  2. hefebreo
    Member
    Posted 4 years ago #

    Bump?

  3. Matt
    Member
    Posted 4 years ago #

    You have many plugins, and it would be difficult to determine which is causing the problem unless you start disabling one after another until you find out which it is.

    Some plugins are very resource intensive, my advice is to use them sparingly.

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