The Ultimate Guide to High Availability with MariaDB

Comments - Disabling storage engines

11 years, 1 month ago Daniël van Eeden
Re: Disabling storage engines

To make sure that no table is using the engine you want to disable: First check information_schema.tables.

mysql> SELECT engine,GROUP_CONCAT(DISTINCT TABLE_SCHEMA) Table_Schema_List,COUNT(*) FROM information_schema.tables GROUP BY engine;
+--------------------+--------------------+----------+
| engine             | Table_Schema_List  | COUNT(*) |
+--------------------+--------------------+----------+
| Aria               | information_schema |        9 |
| CSV                | mysql              |        2 |
| InnoDB             | mysql              |        2 |
| MEMORY             | information_schema |       51 |
| MyISAM             | mysql              |       28 |
| PERFORMANCE_SCHEMA | performance_schema |       49 |
+--------------------+--------------------+----------+
6 rows in set (0.03 sec)
 
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