Job:
#OCPBUGS-30267issue6 weeks ago[IBMCloud] MonitorTests liveness/readiness probe error events repeat MODIFIED
Mar 12 18:52:24.937 - 58s E namespace/openshift-kube-apiserver alert/KubeAPIErrorBudgetBurn alertstate/firing severity/critical ALERTS
{alertname="KubeAPIErrorBudgetBurn", alertstate="firing", long="1h", namespace="openshift-kube-apiserver", prometheus="openshift-monitoring/k8s", severity="critical", short="5m"}
#OCPBUGS-15430issue4 weeks agoKubeAPIDown alert rename and/or degraded status ASSIGNED
We have many guards making sure that there are always at least two instances of the kube-apiserver. If we ever reach a single kube-apiserver and it causes disruption for the clients, other alerts such as KubeAPIErrorBudgetBurn will fire.
KubeAPIDown is here to make sure that Prometheus and really any client can reach the kube-apiserver, which they can even when there is only one instance of kube-apiserver running. If they can't or that availability is disrupted, `KubeAPIErrorBudgetBurn` will fire.
Comment 23058588 by Marcel Härri at 2023-09-19T06:57:07.949+0000
periodic-ci-openshift-multiarch-master-nightly-4.16-ocp-e2e-upgrade-gcp-ovn-arm64 (all) - 41 runs, 41% failed, 12% of failures match = 5% impact
#1789433089701711872junit3 days ago
# [bz-kube-apiserver][invariant] alert/KubeAPIErrorBudgetBurn should not be at or above pending
KubeAPIErrorBudgetBurn was at or above pending for at least 6m18s on platformidentification.JobType{Release:"4.16", FromRelease:"4.16", Platform:"gcp", Architecture:"arm64", Network:"ovn", Topology:"ha"} (maxAllowed=0s): pending for 6m18s, firing for 0s:
May 11 23:48:40.469 - 350s  I namespace/openshift-kube-apiserver alert/KubeAPIErrorBudgetBurn alertstate/pending severity/warning ALERTS{alertname="KubeAPIErrorBudgetBurn", alertstate="pending", long="3d", namespace="openshift-kube-apiserver", prometheus="openshift-monitoring/k8s", severity="warning", short="6h"}
May 11 23:56:02.469 - 28s   I namespace/openshift-kube-apiserver alert/KubeAPIErrorBudgetBurn alertstate/pending severity/warning ALERTS{alertname="KubeAPIErrorBudgetBurn", alertstate="pending", long="3d", namespace="openshift-kube-apiserver", prometheus="openshift-monitoring/k8s", severity="warning", short="6h"}
#1788250345441333248junit6 days ago
# [bz-kube-apiserver][invariant] alert/KubeAPIErrorBudgetBurn should not be at or above pending
KubeAPIErrorBudgetBurn was at or above pending for at least 2m58s on platformidentification.JobType{Release:"4.16", FromRelease:"4.16", Platform:"gcp", Architecture:"arm64", Network:"ovn", Topology:"ha"} (maxAllowed=0s): pending for 2m58s, firing for 0s:
May 08 17:34:34.573 - 178s  I namespace/openshift-kube-apiserver alert/KubeAPIErrorBudgetBurn alertstate/pending severity/warning ALERTS{alertname="KubeAPIErrorBudgetBurn", alertstate="pending", long="3d", namespace="openshift-kube-apiserver", prometheus="openshift-monitoring/k8s", severity="warning", short="6h"}

Found in 4.88% of runs (11.76% of failures) across 41 total runs and 1 jobs (41.46% failed) in 230ms - clear search | chart view - source code located on github