{"id":"gke-cluster-state-etcd-or-spanner","text":"GKE cluster state can be stored in etcd or Spanner, but the etcd API is always exposed regardless of backend.","truth_value":"IN","source":"entries/2026/03/10/gke-cluster-architecture.md","source_url":"","source_hash":"0cf6db09d85d9d28","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"gke-cluster-state-etcd-or-spanner","truth_value":"IN","reason":"premise"}]}}