We have started a new migration attempt on a cloned VM…
Here is a snippet from the process list, in mySQL, immediately after starting:-
| 5 | event_scheduler | localhost | NULL | Daemon | 2919 | Waiting on empty queue | NULL
| 52 | mmuser | localhost:54960 | mattermost | Query | 79 | copy to tmp table | ALTER TABLE Posts ADD RemoteId VARCHAR(26)