Right-size CPU requests and stage controlled Odroid rebalancing

apps/elastic/resources/stack.yaml

@@ -47,10 +47,9 @@ spec:
             - name: elasticsearch
               resources:
                 requests:
-                  cpu: "2"
+                  cpu: 500m
                   memory: 12Gi
                 limits:
-                  cpu: "4"
                   memory: 12Gi
       volumeClaimTemplates:
         - metadata:
@@ -119,7 +118,7 @@ spec:
         - name: kibana
           resources:
             requests:
-              cpu: 500m
+              cpu: 100m
               memory: 4Gi
             limits:
               cpu: "2"