Therefore, several versions ago, Cacti was enhanced to provide Whitelist capabilities on the these types of Data Input Methods.Though this does secure Cacti more thoroughly, it does increase the amount of work required by the Cacti administrator to import and manage Templates and Packages.
With modern SSD type storage, having multiple read io threads is advantageous for applications with high io characteristics.Depending on your MariaDB/MySQL versions, this value can go as high as 64.But try to keep the number less than your total SMT threads on the database server.