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Re: Mysql 5.6: Are these calculations for innodb_buffer_pool_size and instances correct?
Posted by: Cesar Murilo Cesar
Date: November 02, 2020 09:58AM

The referenced link does not say 70%, do you think 80% of 16GB is a lot? In addition, she says: "For best efficiency, specify a combination of innodb_buffer_pool_instances and innodb_buffer_pool_size so that each buffer pool instance is at least 1GB." That means that from 12G I would have 12 instances of 1GB, right? It is difficult to understand when one part of the documentation contradicts another, because as I mentioned before, there is an excerpt that says: "If innodb_buffer_pool_size is greater than 1.3 GB, the default for innodb_buffer_pool_instances is innodb_buffer_pool_size / 128 MB". Another detail, I had said that I would have to define 100, because of this calculation, but the link you mentioned also says that the maximum is 64.

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