yum install numactl
Grab the tar:
https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.19-1.el6.x86_64.rpm-bundle.tar
and update from 5.5 or 5.6, then run mysql_upgrade --username=da_admin --password=daadminpass

intead of mysql_installdb, its:
 mysqld --initialize
actually use:
mysqld --initialize-insecure
and set a root pass after.

chown -R mysql:mysql /var/lib/mysql