MySQL isn't YourSQL
Ok, so I’ve already corrected gaudy and horrible behavior part and parcel with default PostgreSQL installs, but what about that… other open-source SQL database? Is it wrong too? Sure is!
Fixing Your Damn Server Again My fake system still has 8GB of RAM, but we’ll be using more of it for a MySQL install. Why? Because MySQL’s planner makes different assumptions about memory allocation than PostgreSQL. Remember sysctl.conf? Put this in there: