Made the change and it instantly blew up MariaDB on boot!:
018-03-21 23:51:37 WARNING (SyncWorker_5) [homeassistant.components.emulated_hue] When targeting Google Home, listening port has to be port 80
2018-03-21 23:51:51 WARNING (MainThread) [homeassistant.setup] Setup of wemo is taking over 10 seconds.
2018-03-21 23:52:20 WARNING (MainThread) [homeassistant.components.sensor] Setup of platform snmp is taking over 10 seconds.
2018-03-21 23:57:00 ERROR (Recorder) [homeassistant.components.recorder.util] Error executing query: (_mysql_exceptions.OperationalError) (2006, 'MySQL server has gone away') [SQL: 'INSERT INTO events (event_type, event_data, origin, time_fired, created) VALUES (%s, %s, %s, %s, %s)'] [parameters: ('call_service', '{"domain": "shell_command", "service": "wu_humidity_http", "service_data": {}, "service_call_id": "1968015376-34"}', 'LOCAL', datetime.datetime(2018, 3, 22, 4, 57, 0, 61924, tzinfo=<UTC>), datetime.datetime(2018, 3, 22, 4, 57, 0, 207624))] (Background on this error at: http://sqlalche.me/e/e3q8)
2018-03-21 23:57:00 ERROR (Recorder) [homeassistant.components.recorder] Error in database connectivity: (_mysql_exceptions.OperationalError) (2006, 'MySQL server has gone away') [SQL: 'INSERT INTO events (event_type, event_data, origin, time_fired, created) VALUES (%s, %s, %s, %s, %s)'] [parameters: ('call_service', '{"domain": "shell_command", "service": "wu_humidity_http", "service_data": {}, "service_call_id": "1968015376-34"}', 'LOCAL', datetime.datetime(2018,3, 22, 4, 57, 0, 61924, tzinfo=<UTC>), datetime.datetime(2018, 3, 22, 4, 57, 0, 207624))] (Background on this error at: http://sqlalche.me/e/e3q8). (retrying in 3 seconds)