Good/Better config for MySQL on an EC2 Large Instance

Posted by Tim Reynolds on Server Fault See other posts from Server Fault or by Tim Reynolds
Published on 2011-03-18T20:29:57Z Indexed on 2011/03/19 0:12 UTC
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Filed under:

ubuntu

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mysql

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amazon-ec2

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innodb

I have an EC2 Large instance dedicated to MySQL.

It will be serving a Joomla/Magento combo so it has a blend of InnoDB and MyISAM tables. I have only worked with MyISAM in the past and am therefore unfamiliar with the settings InnoDB uses. Experiments so far have been less than fruitful, as I keep causing the InnoDB engine to be disabled.

My instance is running Ubuntu 10.04 64 bit server edition and has ~7.5G of ram. MySQL is currently using ~0.6% of that, with somewhat poor performance. I would like to configure it to use as much of the system RAM as is reasonable.

Testing some settings I learned that the InnoDB logs can't collectively be larger than 4G.

Would anyone be able to provide some base InnoDB and MyISAM settings to get my started.

Thank you Tim

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