replication slot

Signed-off-by: notTabassum <oyshee@appscode.com>

Author: NotTabassum

charts/ace/templates/db/db-config.yaml

@@ -18,4 +18,10 @@ stringData:
     max_wal_senders=50
     max_replication_slots=50
     # shared_buffers=258MB
+    # Required for PostgreSQL 17's failover logical replication slot sync
+    hot_standby_feedback=on
+    sync_replication_slots=on
+    {{- with .Values.pgoutbox.synchronizedStandbySlots }}
+    synchronized_standby_slots='{{ . }}'
+    {{- end }}
   {{- end }}

charts/ace/templates/db/db.yaml

@@ -10,6 +10,12 @@ spec:
   version: "{{ .Values.settings.db.version }}"
   replicas: 3
   storageType: Durable
+  {{- if .Values.pgoutbox.enabled }}
+  # Required for PostgreSQL 17's failover logical replication slot sync
+  replication:
+    walLimitPolicy: ReplicationSlot
+    maxSlotWALKeepSize: -1
+  {{- end }}
   storage:
     storageClassName: {{ .Values.global.infra.storageClass.name }}
     accessModes: