[ Thanks to dave for
this link. ]
“It’s key to remember that MySQLTuner is a script which
can assist you with your server, but it is not the solution to a
badly performing MySQL server. The best performance gains come from
a thorough review of the queries sent to the server, and an
evaluation of the MySQL server itself. A qualified developer in
your application’s programming or scripting language should be able
to work with a MySQL database administrator to find improvements
for your server. Once the server and application are optimized
well, you may need to consider hardware upgrades to the physical
server itself. This is a really useful tool for helping to optimize
MySQL performance.”