How much memory do I need for innodb buffer pool?

Posted by Shirko on Server Fault See other posts from Server Fault or by Shirko
Published on 2012-10-21T16:53:35Z Indexed on 2012/10/21 17:03 UTC
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mysql

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innodb

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buffer

I read here that

You need buffer pool a bit (say 10%) larger than your data (total size of Innodb TableSpaces)

On the other hand I've read elswher that innodb_buffer_pool_size must be up to %80 of the memory. So I'm really confused how should I choose the best size for the pool. My database size is about 6GB and my total memory 64GB. Also I'm wondering if I increase the buffer pool size, I should shrink the number of maximum connections to make room for extra buffer, or these parameters are independent. Thanks

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