Optimization across a set of Google Kubernetes Engine OR GKE clusters can include a handful of areas to think about - and isn't a one time task! Instead, it's a continuous journey that cluster administrators, workload owners, and even billing managers all take part in.  GKE has numerous features built-in that you as a cluster admin can use to navigate this continuous journey of optimizing your use of resources in GKE.  Let's review 3 of them.