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04-17-2012, 01:00 AM

kh99

Join Date: Aug 2009

Location: Maine

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I'm guessing that's some sort of temporary table created by that query. Do you have a lot of threads in your database? I think ORDER BY RAND isn't very efficient for large tables, and if there's no caching of the random threads then it's going to have to be done every time someone visits the page.

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