TokuDB is a drop-in replacement for any other storage engine (including InnoDB) so you can switch engines without changing your application. TokuDB is open source, and is available in both a Community Edition and an Enterprise Edition.
It is one of the best engine available for high performance database I/O
Edit /etc/mysql/my.cnf and add the following line in the [mysqld] section
plugin-load = ha_tokudb
Restart the server.
It is necessary to have transparent_hugepages disabled in order to run tokudb engine inside MariaDB
You can check if the plugin is loaded or not by running mysql terminal and executing the following SQL command
This must contain the TokuDB engine line