Restoring subscriptions from db can be disable via submgr-config.yaml file by setting "readSubsFromDb": "false".
+ * E2 connection break
+
+ Subscription Manager subscribes E2 connection status notifications from RNIB. Whenever E2 interface goes up or down Subscription Manager gets notifies. When interface is down
+ subscription is not possible. Subscription Manager rejects new request for the E2 node. Http Reject cause is 503 Subscribe Service Unavailable. When interface goes down
+ Subscription Manager deletes all subscriptions related to the RanName from its memory and database. E2 node and XApp are expected to do the same.
+
Metrics
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Subscription Manager adds following statistic counters: