Replace A Dead Node in My High Availability Cluster

In my previous blogs [1][2], I’ve introduced my high availability cluster setup. It works really well: when 1 of the 3 nodes is down, the service either continues to be online, or can be recovered rather quickly (in the case I set service replica to 1 to avoid wasting the resource). However, in the beginning of this year, one node went down not because of regular updates or temporary shutdown for…