237 lines
11 KiB
YAML
237 lines
11 KiB
YAML
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groups:
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- name: Prometheus
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rules:
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- alert: PrometheusJobMissing
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expr: absent(up{job="prometheus"})
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for: 0m
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labels:
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severity: warning
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annotations:
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summary: Prometheus job missing (instance {{ $labels.instance }})
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description: "A Prometheus job has disappeared\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusTargetMissing
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expr: up == 0
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: Prometheus target missing (instance {{ $labels.instance }})
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description: "A Prometheus target has disappeared. An exporter might be crashed.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusAllTargetsMissing
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expr: count by (job) (up) == 0
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: Prometheus all targets missing (instance {{ $labels.instance }})
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description: "A Prometheus job does not have living target anymore.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusConfigurationReloadFailure
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expr: prometheus_config_last_reload_successful != 1
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for: 0m
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labels:
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severity: warning
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annotations:
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summary: Prometheus configuration reload failure (instance {{ $labels.instance }})
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description: "Prometheus configuration reload error\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusTooManyRestarts
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expr: changes(process_start_time_seconds{job=~"prometheus|pushgateway|alertmanager"}[15m]) > 2
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for: 0m
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labels:
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severity: warning
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annotations:
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summary: Prometheus too many restarts (instance {{ $labels.instance }})
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description: "Prometheus has restarted more than twice in the last 15 minutes. It might be crashlooping.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusAlertmanagerJobMissing
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expr: absent(up{job="alertmanager"})
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for: 0m
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labels:
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severity: warning
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annotations:
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summary: Prometheus AlertManager job missing (instance {{ $labels.instance }})
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description: "A Prometheus AlertManager job has disappeared\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusAlertmanagerConfigurationReloadFailure
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expr: alertmanager_config_last_reload_successful != 1
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for: 0m
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labels:
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severity: warning
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annotations:
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summary: Prometheus AlertManager configuration reload failure (instance {{ $labels.instance }})
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description: "AlertManager configuration reload error\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusAlertmanagerConfigNotSynced
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expr: count(count_values("config_hash", alertmanager_config_hash)) > 1
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for: 0m
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labels:
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severity: warning
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annotations:
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summary: Prometheus AlertManager config not synced (instance {{ $labels.instance }})
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description: "Configurations of AlertManager cluster instances are out of sync\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusAlertmanagerE2eDeadManSwitch
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expr: vector(1)
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: Prometheus AlertManager E2E dead man switch (instance {{ $labels.instance }})
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description: "Prometheus DeadManSwitch is an always-firing alert. It's used as an end-to-end test of Prometheus through the Alertmanager.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusNotConnectedToAlertmanager
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expr: prometheus_notifications_alertmanagers_discovered < 1
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: Prometheus not connected to alertmanager (instance {{ $labels.instance }})
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description: "Prometheus cannot connect the alertmanager\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusRuleEvaluationFailures
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expr: increase(prometheus_rule_evaluation_failures_total[3m]) > 0
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: Prometheus rule evaluation failures (instance {{ $labels.instance }})
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description: "Prometheus encountered {{ $value }} rule evaluation failures, leading to potentially ignored alerts.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusTemplateTextExpansionFailures
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expr: increase(prometheus_template_text_expansion_failures_total[3m]) > 0
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: Prometheus template text expansion failures (instance {{ $labels.instance }})
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description: "Prometheus encountered {{ $value }} template text expansion failures\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusRuleEvaluationSlow
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expr: prometheus_rule_group_last_duration_seconds > prometheus_rule_group_interval_seconds
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for: 5m
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labels:
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severity: warning
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annotations:
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summary: Prometheus rule evaluation slow (instance {{ $labels.instance }})
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description: "Prometheus rule evaluation took more time than the scheduled interval. It indicates a slower storage backend access or too complex query.\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusNotificationsBacklog
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expr: min_over_time(prometheus_notifications_queue_length[10m]) > 0
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for: 0m
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labels:
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severity: warning
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annotations:
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summary: Prometheus notifications backlog (instance {{ $labels.instance }})
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description: "The Prometheus notification queue has not been empty for 10 minutes\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusAlertmanagerNotificationFailing
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expr: rate(alertmanager_notifications_failed_total[1m]) > 0
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: Prometheus AlertManager notification failing (instance {{ $labels.instance }})
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description: "Alertmanager is failing sending notifications\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusTargetEmpty
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expr: prometheus_sd_discovered_targets == 0
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: Prometheus target empty (instance {{ $labels.instance }})
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description: "Prometheus has no target in service discovery\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusTargetScrapingSlow
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expr: prometheus_target_interval_length_seconds{quantile="0.9"} > 60
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for: 5m
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labels:
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severity: warning
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annotations:
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summary: Prometheus target scraping slow (instance {{ $labels.instance }})
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description: "Prometheus is scraping exporters slowly\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusLargeScrape
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expr: increase(prometheus_target_scrapes_exceeded_sample_limit_total[10m]) > 10
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for: 5m
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labels:
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severity: warning
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annotations:
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summary: Prometheus large scrape (instance {{ $labels.instance }})
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description: "Prometheus has many scrapes that exceed the sample limit\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusTargetScrapeDuplicate
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expr: increase(prometheus_target_scrapes_sample_duplicate_timestamp_total[5m]) > 0
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for: 0m
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labels:
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severity: warning
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annotations:
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summary: Prometheus target scrape duplicate (instance {{ $labels.instance }})
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description: "Prometheus has many samples rejected due to duplicate timestamps but different values\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusTsdbCheckpointCreationFailures
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expr: increase(prometheus_tsdb_checkpoint_creations_failed_total[1m]) > 0
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: Prometheus TSDB checkpoint creation failures (instance {{ $labels.instance }})
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description: "Prometheus encountered {{ $value }} checkpoint creation failures\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusTsdbCheckpointDeletionFailures
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expr: increase(prometheus_tsdb_checkpoint_deletions_failed_total[1m]) > 0
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: Prometheus TSDB checkpoint deletion failures (instance {{ $labels.instance }})
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description: "Prometheus encountered {{ $value }} checkpoint deletion failures\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusTsdbCompactionsFailed
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expr: increase(prometheus_tsdb_compactions_failed_total[1m]) > 0
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: Prometheus TSDB compactions failed (instance {{ $labels.instance }})
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description: "Prometheus encountered {{ $value }} TSDB compactions failures\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusTsdbHeadTruncationsFailed
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expr: increase(prometheus_tsdb_head_truncations_failed_total[1m]) > 0
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: Prometheus TSDB head truncations failed (instance {{ $labels.instance }})
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description: "Prometheus encountered {{ $value }} TSDB head truncation failures\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusTsdbReloadFailures
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expr: increase(prometheus_tsdb_reloads_failures_total[1m]) > 0
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: Prometheus TSDB reload failures (instance {{ $labels.instance }})
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description: "Prometheus encountered {{ $value }} TSDB reload failures\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusTsdbWalCorruptions
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expr: increase(prometheus_tsdb_wal_corruptions_total[1m]) > 0
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: Prometheus TSDB WAL corruptions (instance {{ $labels.instance }})
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description: "Prometheus encountered {{ $value }} TSDB WAL corruptions\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: PrometheusTsdbWalTruncationsFailed
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expr: increase(prometheus_tsdb_wal_truncations_failed_total[1m]) > 0
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for: 0m
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labels:
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severity: critical
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annotations:
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summary: Prometheus TSDB WAL truncations failed (instance {{ $labels.instance }})
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description: "Prometheus encountered {{ $value }} TSDB WAL truncation failures\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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