Any specific steps to be followed to safely shut down mysqlcluster deployed by operator, before shutdown the whole k8s cluster

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Any specific steps to be followed to safely shut down mysqlcluster deployed by operator, before shutdown the whole k8s cluster

when try to shutdown whole k8s cluster, do i need to graceful shutdown mysqlcluster?

1. Do not find any config in "mysqlcluster.spec" to indicate to stop/shutdown cluster
2. Try manual scale statefulset to 0, but contorller will reconcile to 1

So any suggestion to shutdown mysql cluster? thanks alot