For what reason should I use a real multi-primary setup? To be clear, not a multi-writer solution where any node can become the active writer in case of needs, as for Percona XtraDB Cluster (PXC) or Percona Server for MySQL using Group_replication. No, we are talking about a multi-primary setup where I can write at [&]

https://www.percona.com/blog/2020/10/09/amazon-aurora-multi-primary-first-impression/