message: Lower the cpu / parallelism for cpu clusters
diff: @@ -11,7 +11,7 @@ echo "Using Cluster Name: ${CLUSTER_NAME}"
  echo "Using K8S Version: ${K8S_VERSION}"
  echo "Number of Nodes: ${NUM_K8S_NODES}"
  -export PARALLELISM="$((8 * ${NUM_K8S_NODES}))"
  +export PARALLELISM="$((4 * ${NUM_K8S_NODES}))"
  check_gcloud_exists
  @@ -20,7 +20,7 @@ check_gcloud_exists
  # up to a 30% speedup, since we're so CPU bound.
  gcloud beta container clusters create \
  --num-nodes $NUM_K8S_NODES \
  - --machine-type n1-standard-8 \
  + --machine-type n1-standard-4 \
  --min-cpu-platform "Intel Broadwell" \
  --disk-size 30 \
  --zone $ZONE \
  