mySQL Inconsistent Performance

Posted by Jon Hatfield on Stack Overflow See other posts from Stack Overflow or by Jon Hatfield
Published on 2010-06-12T21:17:04Z Indexed on 2010/06/12 21:22 UTC
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mysql

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Performance

Hi,

I'm running a mySQL query that joins various tables of 500,000+ rows. Sometimes it takes a second, other times around 15 seconds! This is on my local machine. I have experienced similarly varied times before on other intensive queries, does anyone know why this is?

Thanks

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