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table size growth
Posted by: Benjamin Tuffreau
Date: March 08, 2012 04:53AM

Hello all,

I've been monitoring the size of our memory tables for a few weeks now (with Cacti actually). And I noticed that the table size isn't growing linearly but from time to time.. for example, I had a 700 MB table which increased by 500 MB suddenly.

I think it may be logical since the engine is memory and its allocation cost a lot of CPU.. so MySQL probably allocates memory space by segment.

So, I'd like to know two things. First, is my theory correct? and then, how can I tune this behavior?


Thank you for your help.

Ben

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