update hadoop stack example

Author: shanshanying

examples/hadoop/cluster.yaml examples/hadoop-stack/cluster.yaml

@@ -250,8 +250,8 @@ spec:
           value: "hadoopcluster"
       resources:
         requests:
-          cpu: "0.1"
-          memory: 0.5Gi
+          cpu: "100m"
+          memory: 1Gi
         limits:
           cpu: "1"
           memory: 2Gi
@@ -288,8 +288,8 @@ spec:
           value: "hadoopcluster"
       resources:
         requests:
-          cpu: "0.1"
-          memory: 0.5Gi
+          cpu: "100m"
+          memory: 1Gi
         limits:
           cpu: "1"
           memory: 2Gi