Using 8GB memory limit in ETCD cluster

Change-Id: Ic52ebad9e3b0ed49890384cb0e8d702fbd8a3194
diff --git a/jjb/pipeline/voltha-scale-test.groovy b/jjb/pipeline/voltha-scale-test.groovy
index 77e0627..9071471 100644
--- a/jjb/pipeline/voltha-scale-test.groovy
+++ b/jjb/pipeline/voltha-scale-test.groovy
@@ -125,7 +125,7 @@
         sh '''
         helm install -n kafka incubator/kafka --version 0.13.3 --set replicas=3 --set persistence.enabled=false --set zookeeper.replicaCount=3 --set zookeeper.persistence.enabled=false --version=0.15.3
 
-        helm install --set clusterName=etcd-cluster --set autoCompactionRetention=1 --set clusterSize=3 --set defaults.log_level=WARN --namespace default -n etcd-cluster onf/voltha-etcd-cluster
+        helm install --set clusterName=etcd-cluster --set autoCompactionRetention=1 --set clusterSize=3 --set defaults.log_level=WARN --namespace default -n etcd-cluster onf/voltha-etcd-cluster ${extraHelmFlags}
 
         if [ ${withMonitoring} = true ] ; then
           helm install -n nem-monitoring cord/nem-monitoring \
diff --git a/jjb/voltha-scale.yaml b/jjb/voltha-scale.yaml
index ff2299b..ed6dd76 100644
--- a/jjb/voltha-scale.yaml
+++ b/jjb/voltha-scale.yaml
@@ -125,7 +125,7 @@
           openonuAdapterReplicas: 8
           onosReplicas: 3
           atomixReplicas: 3
-          extraHelmFlags: '--set auth=false '
+          extraHelmFlags: '--set auth=false --set memoryLimit=8192Mi'
       # - 'voltha-scale-measurements':
       #     name: 'voltha-scale-measurements-1-16-32-att-subscribers'
       #     build-node: 'onf-pod1-head-node'