Go back to 12 x 16 GB k8s VMs

Change-Id: I22804fbb20ebe707773928ba08abe2e122f0d3e1
Issue-ID: INT-993
Signed-off-by: Gary Wu <gary.i.wu@huawei.com>
diff --git a/deployment/heat/onap-rke/env/windriver/onap-oom.env b/deployment/heat/onap-rke/env/windriver/onap-oom.env
index db78a8c..f6d18b2 100644
--- a/deployment/heat/onap-rke/env/windriver/onap-oom.env
+++ b/deployment/heat/onap-rke/env/windriver/onap-oom.env
@@ -6,7 +6,7 @@
   docker_proxy: 10.12.5.2:5000
 
   rancher_vm_flavor: m1.large
-  k8s_vm_flavor: m4.xlarge
+  k8s_vm_flavor: m1.xlarge
   etcd_vm_flavor: m1.medium
   orch_vm_flavor: m1.large