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wordpress 2.5 too slow (5 posts)

  1. ozgeekmum
    Member
    Posted 6 years ago #

    I've already googled "wordpress 2.5 slow" and seen a few comments.

    We have two WP blogs on the same server at work. Our main one still uses 2.3.3, the new one for a client was created using 2.5.
    They are running on linux, php5.2.4, mysql 5.

    The 2.5 is incredibly slow - 20 seconds to load, consistently.
    The old 2.3.3 version is a happy .3 seconds.

    Plugins used are xml sitemaps, allinoneseo, akismet, sociable.

    I tried disabling all plugins, to see if it made any difference. It didn't.

    I added wp-cache, which helps for repeat viewing of pages, but not for new pages.

    What on earth happened between 2.3.3 and 2.5 to make the page loading sooooo slow.

    I'm too scared to convert any other blogs (our main work one, and my own very old one) to 2.5, unless this gets fixed.
    Slow as a dog just doesn't cover it.

    Any ideas?

    I will disable the auto-update checks, to speed up the admin interface, just so people don't give up on editing. But that doesn't help the casual visitor who is just browsing.

  2. Samuel Wood (Otto)
    Tech Ninja
    Posted 6 years ago #

    I'm not certain what problem you're having specifically, but in general, WordPress 2.5 is much faster than previous versions, mainly because of a lot of optimization to the database calls.

    Some specific part of 2.5 is slowing down your load, you have to work out what that part is. It's not slower in general.

  3. ozgeekmum
    Member
    Posted 6 years ago #

    are there any tools that people can recommend to analyse where the blockage is?

    our server guy is sick today, so i'm not sure what tools are generally available.

    i used charles, but it showed that it wasnt the loading of css files or images that slows things down. all charles shows is that there is a latency of 20 seconds before a response is received. and then the css and images load quickly.

    i'd love to know if the problem is in actually connecting to the database, or the individual calls. or anything.

  4. haochi
    Member
    Posted 6 years ago #

    See: http://wordpress.org/support/topic/151287?replies=23#post-674593
    It dumps a list of queries called by WordPress.

  5. ozgeekmum
    Member
    Posted 6 years ago #

    excellent link thanks haochi.

    i used the query dump to show that it wasn't individual queries with the problem.

    i used the wp-cron test call to prove that it was a problem in access, and most probably dns related.

    then the server guy remotely fixed the dns entries from home. dóh.

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