It seems that TokuDB is not available in Fedora 24 + MariaDB 10.1.17.
2016-09-23 18:17:56 140514451392704 [ERROR] TokuDB is not initialized because jemalloc is not loaded
I have jemalloc and jemalloc-devel installed
My /etc/my.cnf/tokudb.cnf
plugin-load=ha_tokudb
Moreover, SELinux is disabled in /etc/selinux/config
[root@localhost giuseppe]# sestatus
SELinux status: disabled