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Re: Upgrade to MySQL 5.5.12 (fedora), now queries are Extremely slow?
Posted by: Jørgen Løland
Date: June 06, 2011 11:37PM

> I'm starting to notice that there are SEVERAL other people with a similar issue,
> for which a bug has been filed, but it is not the SAME issue.

Are you sure it's not this bug: http://bugs.mysql.com/bug.php?id=60025? That bug is the only issue I know of regarding stored procedure slowdown in 5.5. It is fixed in 5.5.13 which will be released soon.

If you're in a real pinch and don't want to wait until 5.5.13 is released you can download the source code from launchpad [1] and compile it yourself. At least you'll know for sure if that bug is the cause.

Apart from that, I agree with Rick in that it's difficult to give any more pointers without seeing what the procedures do.

[1] https://launchpad.net/mysql-server/5.5

Hope this helps,
Jørgen Løland
Software Engineer, MySQL, Oracle
jorgenloland.blogspot.com

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