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Re: Which memory settings to change?
Posted by: Rick James
Date: January 29, 2009 01:24AM

InnoDB ONLY: 70% for innodb + a few MB for key_buffer
OR
MyISAM ONLY: 0 for innodb + 25% for keybuffer (leaving extra for OS to cache data blocks)
OR
Both engines: some compromise.

Do not allocate so much space that MySQL is being swapped.

Depending on the OS, MySQL code, etc, leave perhaps 1GB outside the above caches.

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