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Re: Mysql using 95% of cpu
Posted by: Rick James
Date: September 23, 2011 09:14AM

> I Guess if we increase our RAM we can increase our speed of performance.
Bad guess, Duncan.

High CPU means
* Missing index
* Poorly written query
* Other schema design issues

High I/O means
* Not enough RAM
* Poor tuning - see http://mysql.rjweb.org/doc.php/memory

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