Plan to improve the out of the Box Experience in MySQL 8.0
In MySQL 8.0, we will be introducing a new configuration parameter called innodb_dedicated_server=bool. When ON, this option will look at the system memory, and then automatically set the these configuration parameters using the following rules:
innodb_buffer_pool_size server_memory < 1G ?
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Source: Plan to improve the out of the Box Experience in MySQL 8.0