The aim of Percona Kubernetes Operator for Percona XtraDB Cluster is to be a special type of controller introduced to simplify complex deployments. The Operator extends the Kubernetes API with custom resources. The Operator solution is using Percona XtraDB Cluster (PXC) behind the hood to provide a highly available, resilient, and scalable MySQL service in [&]

https://www.percona.com/blog/2021/01/11/full-read-consistency-within-percona-kubernetes-operator-for-percona-xtradb-cluster/