SHOW STATUS

show status like 'handler%'

Result:
 *** some rows omitted ***
+----------------------------+-------+
| Variable_name              | Value |
+----------------------------+-------+
| Handler_commit             | 1     |
| Handler_rollback           | 0     |
| Handler_update             | 1     |
| Handler_write              | 1     |
+----------------------------+-------+