The Failover Brownout: Rethinking High Availability in MySQL Group Replication

It is time to talk again about Flow control and group replication. This time with a special eye on the use of Group Replication in the Kubernetes context. In this article we will dig a bit on how it works and what are the various side effects. The problem Recently I was refining the calculation I use in the MySQL calculator for Operator given I was constantly encountering a very serious problem…