PrometheusDuplicateTimestamps alerts triggered due to multiple LocalVolume CRs with same tolerations

Issue

• PrometheusDuplicateTimestamps alerts triggered.

• Prometheus pods show below error:

  caller=scrape.go:1738 level=warn component="scrape manager" scrape_pool=serviceMonitor/openshift-monitoring/kube-state-metrics/0 target=https://<pod-IP>/metrics msg="Error on ingesting samples with different value but same timestamp" num_dropped=3
  

• Prometheus pod debug logs below error:

  2025-06-17T16:22:05.467505385+07:00 ts=2025-06-17T09:22:05.467Z caller=scrape.go:1777 level=debug component="scrape manager" scrape_pool=serviceMonitor/openshift-monitoring/kube-state-metrics/0 target=https://<pod-IP>:8443/metrics msg="Duplicate sample for timestamp" series="kube_pod_tolerations{namespace=\"openshift-local-storage\",pod=\"diskmaker-manager-gc2nm\",uid=\"541ce1ec-67b3-49dc-989b-e08d3a301087\",key=\"node-role.kubernetes.io/infra\",operator=\"Exists\",effect=\"NoSchedule\"}"