Database Pre-installation Tasks for Maria DB
Increase the table_definition_cache and table_open_cache values
To increase the values of table_definition_cache and table_open_cache in MariaDB, execute the following commands or update the ini or cnf file:
set GLOBAL table_definition_cache=4000; //For table_definition_cache; 4000 is the minimum value set GLOBAL table_open_cache=2000; //For table_open_cache; 2000 is the minimum value