Update poms for 2.2 release 0.4.0 (apache-spark-on-k8s#508)

* Update POMs

* Update extensions/v1beta1.Deployment to apps

* Modified defaults on rss and ss

(cherry picked from commit 562f301)

Author: foxish

conf/kubernetes-resource-staging-server.yaml

@@ -15,7 +15,7 @@
 # limitations under the License.
 #
 ---
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1beta1
 kind: Deployment
 metadata:
   name: spark-resource-staging-server
@@ -32,14 +32,14 @@ spec:
             name: spark-resource-staging-server-config
       containers:
         - name: spark-resource-staging-server
-          image: kubespark/spark-resource-staging-server:v2.2.0-kubernetes-0.3.0
+          image: kubespark/spark-resource-staging-server:v2.2.0-kubernetes-0.4.0
           resources:
             requests:
               cpu: 100m
               memory: 256Mi
             limits:
               cpu: 100m
-              memory: 256Mi
+              memory: 1Gi
           volumeMounts:
             - name: resource-staging-server-properties
               mountPath: '/etc/spark-resource-staging-server'

conf/kubernetes-shuffle-service.yaml

@@ -32,13 +32,13 @@ spec:
       volumes:
         - name: temp-volume
           hostPath:
-            path: '/var/tmp' # change this path according to your cluster configuration.
+            path: '/tmp' # change this path according to your cluster configuration.
       containers:
         - name: shuffle
           # This is an official image that is built
           # from the dockerfiles/shuffle directory
           # in the spark distribution.
-          image: kubespark/spark-shuffle:v2.2.0-kubernetes-0.3.0
+          image: kubespark/spark-shuffle:v2.2.0-kubernetes-0.4.0
           imagePullPolicy: IfNotPresent
           volumeMounts:
             - mountPath: '/tmp'