The actual prometheus.yml should be checked but I suppose you have duplicate relations which could scrape the same endpoint twice.
- ceph-mon:metrics-endpoint cos-prometheus:metrics-endpoint - ceph-mon:prometheus cos-proxy:prometheus-target
The actual prometheus.yml should be checked but I suppose you have duplicate relations which could scrape the same endpoint twice.
- ceph-mon: metrics- endpoint cos-prometheus: metrics- endpoint prometheus- target
- ceph-mon:prometheus cos-proxy: