mysqltuner wants me to set join_buffer_size > 256.0M?

I have a 16GB dedicated server running 1 wordpress and 1 magento site! For the last month I have been trying to get mysql optimized! [[email protected] ~]# ./mysqltuner.pl MySQLTuner 1.7.19 – Major Hayden Bug reports, feature requests, and downloads at http://mysqltuner.com/ Run with ‘–help’ for additional options and output filtering [–] Skipped version check for…