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75 lines
3.8 KiB
YAML
75 lines
3.8 KiB
YAML
# File contains default list of alerts for VM components.
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# The alerts below are just recommendations and may require some updates
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# and threshold calibration according to every specific setup.
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groups:
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- name: vm-health
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# note the `job` filter and update accordingly to your setup
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rules:
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- alert: TooManyRestarts
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expr: changes(process_start_time_seconds{job=~"victoriametrics.*|vmselect.*|vminsert.*|vmstorage.*|vmagent.*|vmalert.*|vmsingle.*|vmalertmanager.*"}[15m]) > 2
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labels:
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severity: critical
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annotations:
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summary: "{{ $labels.job }} too many restarts (instance {{ $labels.instance }})"
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description: "Job {{ $labels.job }} (instance {{ $labels.instance }}) has restarted more than twice in the last 15 minutes.
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It might be crashlooping."
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- alert: ServiceDown
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expr: up{job=~"victoriametrics.*|vmselect.*|vminsert.*|vmstorage.*|vmagent.*|vmalert.*|vmsingle.*|vmalertmanager.*"} == 0
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for: 2m
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labels:
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severity: critical
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annotations:
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summary: "Service {{ $labels.job }} is down on {{ $labels.instance }}"
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description: "{{ $labels.instance }} of job {{ $labels.job }} has been down for more than 2 minutes."
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- alert: ProcessNearFDLimits
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expr: (process_max_fds - process_open_fds) < 100
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for: 5m
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labels:
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severity: critical
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annotations:
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summary: "Number of free file descriptors is less than 100 for \"{{ $labels.job }}\"(\"{{ $labels.instance }}\") for the last 5m"
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description: "Exhausting OS file descriptors limit can cause severe degradation of the process.
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Consider to increase the limit as fast as possible."
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- alert: TooHighMemoryUsage
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expr: (process_resident_memory_anon_bytes / vm_available_memory_bytes) > 0.8
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for: 5m
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labels:
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severity: critical
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annotations:
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summary: "It is more than 80% of memory used by \"{{ $labels.job }}\"(\"{{ $labels.instance }}\") during the last 5m"
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description: "Too high memory usage may result into multiple issues such as OOMs or degraded performance.
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Consider to either increase available memory or decrease the load on the process."
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- alert: TooHighCPUUsage
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expr: rate(process_cpu_seconds_total[5m]) / process_cpu_cores_available > 0.9
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for: 5m
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labels:
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severity: critical
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annotations:
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summary: "More than 90% of CPU is used by \"{{ $labels.job }}\"(\"{{ $labels.instance }}\") during the last 5m"
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description: "Too high CPU usage may be a sign of insufficient resources and make process unstable.
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Consider to either increase available CPU resources or decrease the load on the process."
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- alert: TooManyLogs
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expr: sum(increase(vm_log_messages_total{level="error"}[5m])) by (job, instance) > 0
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for: 15m
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labels:
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severity: warning
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annotations:
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summary: "Too many logs printed for job \"{{ $labels.job }}\" ({{ $labels.instance }})"
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description: "Logging rate for job \"{{ $labels.job }}\" ({{ $labels.instance }}) is {{ $value }} for last 15m.\n
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Worth to check logs for specific error messages."
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- alert: TooManyTSIDMisses
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expr: sum(rate(vm_missing_tsids_for_metric_id_total[5m])) by (job, instance) > 0
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for: 10m
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labels:
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severity: critical
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annotations:
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summary: "Too many TSID misses for job \"{{ $labels.job }}\" ({{ $labels.instance }})"
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description: "The rate of TSID misses during query lookups is too high for \"{{ $labels.job }}\" ({{ $labels.instance }}).\n
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Make sure you're running VictoriaMetrics of v1.85.3 or higher.\n
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Related issue https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3502"
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