Admin Load Times Slow, 9300 Categories

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    I have a wordpress site on a hosted linode that the purpose is to be a directory of sorts. I have 9300 categories (55 main categories, each with about 10 sub categories, with each sub category with ~15 categories).

    These are also not just categories, but a custom taxonomy instead.

    I’m having a lot of slowness issues with the admin section JUST in the area related to loading the taxonomy (editing posts using that taxonomy, or adding/removing categories from that taxonomy).

    I’ve looked into mysql adjustments and php enchancements but I’m wondering if there’s a proper way to optimize wordpress to support LARGE category numbers. And converting to tags will not work, the tags serve an additional purpose in our directory. Thanks!



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    I’m sorry to report that you have accidentally posted to the wrong support forum. We cannot help you here at with that site as it’s not being hosted by and we run on different software. This is the correct forum for your software http://wordpress.ORG/support/ vs The Differences
    Best wishes with your site.

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