# 告警规则从已退役的 Compose 栈迁入，原始版本保留在 Git 历史。
apiVersion: operator.victoriametrics.com/v1beta1
kind: VMRule
metadata:
  name: vmagent
  namespace: monitoring
  labels:
    app.kubernetes.io/part-of: victoria-metrics
spec:
  groups:
    - name: vmagent
      interval: 30s
      concurrency: 2
      rules:
        - alert: PersistentQueueIsDroppingData
          expr: sum(increase(vm_persistentqueue_bytes_dropped_total[5m])) without (path) > 0
          for: 10m
          labels:
            severity: critical
          annotations:
            summary: "Instance {{ $labels.instance }} is dropping data from persistent queue"
            description: "Vmagent dropped {{ $value | humanize1024 }} from persistent queue
                on instance {{ $labels.instance }} for the last 10m."
        - alert: RejectedRemoteWriteDataBlocksAreDropped
          expr: sum(increase(vmagent_remotewrite_packets_dropped_total[5m])) without (url) > 0
          for: 15m
          labels:
            severity: warning
          annotations:
            summary: "Vmagent is dropping data blocks that are rejected by remote storage"
            description: "Job \"{{ $labels.job }}\" on instance {{ $labels.instance }} drops the rejected by
              remote-write server data blocks. Check the logs to find the reason for rejects."
        - alert: TooManyScrapeErrors
          expr: increase(vm_promscrape_scrapes_failed_total[5m]) > 0
          for: 15m
          labels:
            severity: warning
          annotations:
            summary: "Vmagent fails to scrape one or more targets"
            description: "Job \"{{ $labels.job }}\" on instance {{ $labels.instance }} fails to scrape targets for last 15m"
        - alert: ScrapePoolHasNoTargets
          expr: sum(vm_promscrape_scrape_pool_targets) without (status, instance, pod) == 0
          for: 30m
          labels:
            severity: warning
          annotations:
            summary: "Vmagent has scrape_pool with 0 configured/discovered targets"
            description: "Vmagent \"{{ $labels.job }}\" has scrape_pool \"{{ $labels.scrape_job }}\"
              with 0 discovered targets. It is likely a misconfiguration."
        - alert: TooManyWriteErrors
          expr: |
            (sum(increase(vm_ingestserver_request_errors_total[5m])) without (name,net,type)
            +
            sum(increase(vmagent_http_request_errors_total[5m])) without (path,protocol)) > 0
          for: 15m
          labels:
            severity: warning
          annotations:
            summary: "Vmagent responds with too many errors on data ingestion protocols"
            description: "Job \"{{ $labels.job }}\" on instance {{ $labels.instance }} responds with errors to write requests for last 15m."
        - alert: TooManyRemoteWriteErrors
          expr: rate(vmagent_remotewrite_retries_count_total[5m]) > 0
          for: 15m
          labels:
            severity: warning
          annotations:
            summary: "Job \"{{ $labels.job }}\" on instance {{ $labels.instance }} fails to push to remote storage"
            description: "Vmagent fails to push data via remote write protocol to destination \"{{ $labels.url }}\".
              Ensure that destination is up and reachable."
        - alert: RemoteWriteConnectionIsSaturated
          expr: |
            (
             rate(vmagent_remotewrite_send_duration_seconds_total[5m])
             /
             vmagent_remotewrite_queues
            ) > 0.9
          for: 15m
          labels:
            severity: warning
          annotations:
            summary: "Remote write connection from \"{{ $labels.job }}\" (instance {{ $labels.instance }}) to {{ $labels.url }} is saturated"
            description: "The remote write connection between vmagent and destination \"{{ $labels.url }}\"
              is saturated by more than 90%. Increase -remoteWrite.queues or check the destination's capacity."
        - alert: PersistentQueueForWritesIsSaturated
          expr: rate(vm_persistentqueue_write_duration_seconds_total[5m]) > 0.9
          for: 15m
          labels:
            severity: warning
          annotations:
            summary: "Persistent queue writes for instance {{ $labels.instance }} are saturated"
            description: "Persistent queue writes are saturated by more than 90%. Reduce load or improve disk throughput."
        - alert: PersistentQueueForReadsIsSaturated
          expr: rate(vm_persistentqueue_read_duration_seconds_total[5m]) > 0.9
          for: 15m
          labels:
            severity: warning
          annotations:
            summary: "Persistent queue reads for instance {{ $labels.instance }} are saturated"
            description: "Persistent queue reads are saturated by more than 90%. Reduce load or improve disk throughput."
        - alert: SeriesLimitHourReached
          expr: (vmagent_hourly_series_limit_current_series / vmagent_hourly_series_limit_max_series) > 0.9
          labels:
            severity: critical
          annotations:
            summary: "Instance {{ $labels.instance }} reached 90% of the hourly series limit"
            description: "Max series limit set via -remoteWrite.maxHourlySeries is close to the max value."
        - alert: SeriesLimitDayReached
          expr: (vmagent_daily_series_limit_current_series / vmagent_daily_series_limit_max_series) > 0.9
          labels:
            severity: critical
          annotations:
            summary: "Instance {{ $labels.instance }} reached 90% of the daily series limit"
            description: "Max series limit set via -remoteWrite.maxDailySeries is close to the max value."
        - alert: ConfigurationReloadFailure
          expr: |
            vm_promscrape_config_last_reload_successful != 1
            or
            vmagent_relabel_config_last_reload_successful != 1
          labels:
            severity: warning
          annotations:
            summary: "Configuration reload failed for vmagent instance {{ $labels.instance }}"
            description: "Configuration hot-reload failed for vmagent on instance {{ $labels.instance }}. Check the logs."
        - alert: StreamAggrFlushTimeout
          expr: increase(vm_streamaggr_flush_timeouts_total[5m]) > 0
          labels:
            severity: warning
          annotations:
            summary: "Streaming aggregation at \"{{ $labels.job }}\" (instance {{ $labels.instance }}) can't keep up."
            description: "Stream aggregation can't finish within the configured interval and may produce incorrect results."
        - alert: StreamAggrDedupFlushTimeout
          expr: increase(vm_streamaggr_dedup_flush_timeouts_total[5m]) > 0
          labels:
            severity: warning
          annotations:
            summary: "Deduplication \"{{ $labels.job }}\" (instance {{ $labels.instance }}) can't keep up."
            description: "Deduplication can't finish within the configured interval and may produce incorrect results."