prometheus_remote_storage_highest_timestamp_in_seconds Gauge
Highest timestamp that has come into the remote storage via the Appender interface, in seconds since epoch. Initialized to 0 when no data has been received yet.
Source
We have looked everywhere, but couldn't find the application/exporter exposing this metric.
Alerts
We do not have any alerts associated with this metric in our collection.
Dashboards
We do not have any dashboards associated with this metric in our collection.