Comments - XtraDB + query_cache_size MariaDB 10
Content reproduced on this site is the property of its respective owners,
and this content is not reviewed in advance by MariaDB. The views, information and opinions
expressed by this content do not necessarily represent those of MariaDB or any other party.
Where are u read that?
I think query_cache option should be unusable old Galera Cluster ver.
If your application with repeated binding select query , Query Cache Feature good for performance In MariaDB.
I has experienced almost Twice the performance better than not config query_cache feature.