add the description text source

config/app.php.txt

@@ -389,11 +389,12 @@ define('CLEAN_PAGE_DESCRIPTION_OFFSET', 60*60*24*30*12*10);
  *
  * Reorganizes the physical storage of table data and associated index data,
  * to reduce storage space and improve I/O efficiency when accessing the tables.
+ * Read more: https://www.forknerds.com/reduce-the-size-of-mysql/#Shrink_and_Optimize_MySQL
  *
  * When enabled - requires enough of RAM
  *
  */
-define('CLEAN_DB_TABLES_OPTIMIZATION', true);
+define('CLEAN_DB_TABLES_OPTIMIZATION', false);
 
 // API settings