title: How to know about DB health from "Table_locks_immediate" and "Table_locks_waited" in mysql
body: <p>How to know the health of the mysql db by seeing the "Table_locks_immediate" and "Table_locks_waited" values from DB status. </p>
  
  <p>I want to know if the ratio between "Table_locks_immediate" and "Table_locks_waited" is of any importance. </p>