[en] Reduce GracePeriod to 300 sec for deploying Cassandra with a StatefulSet

Author: abhilasha2418

content/en/examples/application/cassandra/cassandra-statefulset.yaml

@@ -15,7 +15,7 @@ spec:
       labels:
         app: cassandra
     spec:
-      terminationGracePeriodSeconds: 1800
+      terminationGracePeriodSeconds: 500
       containers:
       - name: cassandra
         image: gcr.io/google-samples/cassandra:v13