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Re: Need help to improve innodb performance
Posted by: Phoenix Kiula
Date: April 17, 2009 11:26PM

Thanks Rick.

I have you a snapshot from the db at night, when not much action. Will try processlist.

But my big confusion is about these two variables.


Buffer_pool should be set large. Manuals says even up to 80%. Given that I have 32GB of ram, I want to set it up to 20GB or so.

But max_connections with "1.5G per thread" (as reported by script) is what I am confused about.

(1) Should I increase max_connections to the tune of 20,000 or more. Is it inadvisable?
(2) How can I make sure each "thread" does not require 1.5G!


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Re: Need help to improve innodb performance
April 17, 2009 11:26PM

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