https://mariadb.com/kb/en/mariadb/mariadb-10120-release-notes/ The limit for the table_open_cache system variable has been increased to 1024K Currently we have 400 in my.cnf-5.6
Maybe we should introduce a new configuration for mariadb 10.1 perhaps? The table_open_cache has increased to 2000. https://mariadb.com/kb/en/mariadb/upgrading-from-mariadb-100-to-101/
10.2 introduces a higher reliance on defaults and a new config layout