diff --git a/terraform/helm/aptos-node/templates/fullnode.yaml b/terraform/helm/aptos-node/templates/fullnode.yaml
index edd966f30e0e9..75520ed06893d 100644
--- a/terraform/helm/aptos-node/templates/fullnode.yaml
+++ b/terraform/helm/aptos-node/templates/fullnode.yaml
@@ -8,7 +8,14 @@ metadata:
   name: {{ include "aptos-validator.fullname" $ }}-{{$i}}-{{ .name }}
   labels:
     {{- include "aptos-validator.labels" $ | nindent 4 }}
-    {{- include "aptos-validator.multiclusterLabels" (tuple $ $i) | nindent 4 }}  
+    {{- include "aptos-validator.multiclusterLabels" (tuple $ $i) | nindent 4 }}
+  annotations:
+    {{- with $.Values.service.fullnode.internal.annotations }}
+    {{- toYaml $.Values.service.fullnode.internal.annotations | nindent 4 }}
+    {{- end }}
+    {{- if $.Values.service.internalDomain }}
+    external-dns.alpha.kubernetes.io/hostname: vfn{{$i}}.{{ $.Values.service.internalDomain }}
+    {{- end }}
 spec:
   selector:
     {{- include "aptos-validator.selectorLabels" $ | nindent 4 }}
diff --git a/terraform/helm/aptos-node/templates/validator.yaml b/terraform/helm/aptos-node/templates/validator.yaml
index 05494f1e9820c..b6b55ec6f9544 100644
--- a/terraform/helm/aptos-node/templates/validator.yaml
+++ b/terraform/helm/aptos-node/templates/validator.yaml
@@ -7,6 +7,13 @@ metadata:
   labels:
     {{- include "aptos-validator.labels" $ | nindent 4 }}
     {{- include "aptos-validator.multiclusterLabels" (tuple $ $i) | nindent 4 }} 
+  annotations:
+    {{- with $.Values.service.validator.internal.annotations }}
+    {{- toYaml $.Values.service.validator.internal.annotations | nindent 4 }}
+    {{- end }}
+    {{- if $.Values.service.internalDomain }}
+    external-dns.alpha.kubernetes.io/hostname: val{{$i}}.{{ $.Values.service.internalDomain }}
+    {{- end }}
 spec:
   selector:
     {{- include "aptos-validator.selectorLabels" $ | nindent 4 }}
@@ -184,7 +191,7 @@ spec:
             - ALL
           {{- end }}
       {{- with $.Values.validator }}
-      {{- with $.nodeSelector }}
+      {{- with .nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}
       {{- end }}
diff --git a/terraform/helm/aptos-node/values.yaml b/terraform/helm/aptos-node/values.yaml
index 30b5b7cf7c698..566491acccf06 100644
--- a/terraform/helm/aptos-node/values.yaml
+++ b/terraform/helm/aptos-node/values.yaml
@@ -135,6 +135,8 @@ fullnode:
 service:
   # -- If set, the base domain name to use for External DNS
   domain:
+  # -- If set, the base domain name to use for internal LBs
+  internalDomain:
   validator:
     external:
       # -- The Kubernetes ServiceType to use for validator's HAProxy
@@ -143,6 +145,7 @@ service:
       # -- The Kubernetes ServiceType to use for validator
       type: ClusterIP
       headless: false
+      annotations: {}
     # -- The externalTrafficPolicy for the validator service
     externalTrafficPolicy: Local
     # -- If set and if the ServiceType is LoadBalancer, allow traffic to validators from these CIDRs
@@ -161,6 +164,7 @@ service:
       # -- The Kubernetes ServiceType to use for fullnodes
       type: ClusterIP
       headless: false
+      annotations: {}
     # -- The externalTrafficPolicy for the fullnode service
     externalTrafficPolicy: Local
     # -- If set and if the ServiceType is LoadBalancer, allow traffic to fullnodes from these CIDRs
diff --git a/terraform/helm/fullnode/templates/backup.yaml b/terraform/helm/fullnode/templates/backup.yaml
index 9a80cbd4020ed..d6001a44457a3 100644
--- a/terraform/helm/fullnode/templates/backup.yaml
+++ b/terraform/helm/fullnode/templates/backup.yaml
@@ -62,6 +62,10 @@ spec:
         - "{{ int .config.state_snapshot_interval_epochs }}"
         - "--transaction-batch-size"
         - "{{ int .config.transaction_batch_size }}"
+        {{- if .config.concurrent_data_requests }}
+        - "--concurrent-data-requests"
+        - "{{ int .config.concurrent_data_requests }}"
+        {{- end }}
         - "--command-adapter-config"
         - "/opt/aptos/etc/{{ .config.location }}.yaml"
         env:
diff --git a/terraform/helm/fullnode/values.yaml b/terraform/helm/fullnode/values.yaml
index 001abbfecc79d..95a48335bee55 100644
--- a/terraform/helm/fullnode/values.yaml
+++ b/terraform/helm/fullnode/values.yaml
@@ -143,6 +143,8 @@ backup:
     state_snapshot_interval_epochs: 2
     # -- Transaction batch size
     transaction_batch_size: 1000000
+    # -- Number of concurrent requests to the PFN backup port
+    concurrent_data_requests:
 
 backup_verify:
   # -- The schedule for backup verification
@@ -150,9 +152,9 @@ backup_verify:
   resources:
     limits:
       cpu: 8
-      memory: 32Gi
+      memory: 16Gi
     requests:
-      cpu: 4
+      cpu: 8
       memory: 16Gi
   nodeSelector: {}
   tolerations: []