The number of rows deleted from InnoDB  tables. 

• Innodb_rows_inserted 

The number of rows inserted into InnoDB  tables. 

• Innodb_rows_read 

The number of rows read from InnoDB  tables. 

• Innodb_rows_updated 

The number of rows updated in InnoDB  tables. 

• Innodb_system_rows_deleted 

The number of rows deleted from InnoDB  tables belonging to system-created schemas. 

• Innodb_system_rows_inserted 

The number of rows inserted into InnoDB  tables belonging to system-created schemas. 

• Innodb_system_rows_read 

The number of rows read from InnoDB  tables belonging to system-created schemas. 

• Innodb_truncated_status_writes 

The number of times output from the SHOW ENGINE INNODB STATUS  statement has been truncated. 

• Innodb_undo_tablespaces_active 

The number of active undo tablespaces. Includes both implicit ( InnoDB -created) and explicit (user- created) undo tablespaces. For information about undo tablespaces, see Section 15.6.3.4, “Undo Tablespaces” . 

• Innodb_undo_tablespaces_explicit 

The number of user-created undo tablespaces. For information about undo tablespaces, see Section 15.6.3.4, “Undo Tablespaces” . 

• Innodb_undo_tablespaces_implicit 

The number of undo tablespaces created by InnoDB . Two default undo tablespaces are created by InnoDB  when the MySQL instance is initialized. For information about undo tablespaces, see Section 15.6.3.4, “Undo Tablespaces” . 

• Innodb_undo_tablespaces_total 

The total number of undo tablespaces. Includes both implicit ( InnoDB -created) and explicit (user- created) undo tablespaces, active and inactive. For information about undo tablespaces, see Section 15.6.3.4, “Undo Tablespaces” . 

• Key_blocks_not_flushed 

The number of key blocks in the MyISAM  key cache that have changed but have not yet been flushed to disk. 

• Key_blocks_unused 

