mirror of
https://github.com/samber/awesome-prometheus-alerts.git
synced 2026-06-22 17:37:19 +08:00
77 lines
3.2 KiB
YAML
77 lines
3.2 KiB
YAML
groups:
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- name: PerconaMongodbExporter
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rules:
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- alert: MongodbDown
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expr: 'mongodb_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: MongoDB Down (instance {{ $labels.instance }})
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description: "MongoDB instance is down\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: MongodbReplicaMemberUnhealthy
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expr: 'mongodb_rs_members_health == 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: Mongodb replica member unhealthy (instance {{ $labels.instance }})
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description: "MongoDB replica member is not healthy\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: MongodbReplicationLag
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expr: 'mongodb_rs_members_optimeDate{member_state="PRIMARY"} - on (set) group_right mongodb_rs_members_optimeDate{member_state="SECONDARY"} > 10'
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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: MongoDB replication lag (instance {{ $labels.instance }})
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description: "Mongodb replication lag is more than 10s\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: MongodbReplicationHeadroom
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expr: 'sum(avg(mongodb_oplog_stats_start - mongodb_oplog_stats_end)) - sum(avg(mongodb_rs_members_optimeDate{member_state="PRIMARY"} - on (set) group_right mongodb_rs_members_optimeDate{member_state="SECONDARY"})) <= 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: MongoDB replication headroom (instance {{ $labels.instance }})
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description: "MongoDB replication headroom is <= 0\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: MongodbNumberCursorsOpen
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expr: 'mongodb_ss_metrics_cursor_open{csr_type="total"} > 10 * 1000'
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: MongoDB number cursors open (instance {{ $labels.instance }})
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description: "Too many cursors opened by MongoDB for clients (> 10k)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: MongodbCursorsTimeouts
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expr: 'increase(mongodb_ss_metrics_cursor_timedOut[1m]) > 100'
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: MongoDB cursors timeouts (instance {{ $labels.instance }})
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description: "Too many cursors are timing out\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: MongodbTooManyConnections
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expr: 'avg by(instance) (rate(mongodb_ss_connections{conn_type="current"}[1m])) / avg by(instance) (sum (mongodb_ss_connections) by (instance)) * 100 > 80'
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: MongoDB too many connections (instance {{ $labels.instance }})
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description: "Too many connections (> 80%)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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- alert: MongodbVirtualMemoryUsage
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expr: '(sum(mongodb_ss_mem_virtual) BY (instance) / sum(mongodb_ss_mem_resident) BY (instance)) > 3'
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for: 2m
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labels:
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severity: warning
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annotations:
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summary: MongoDB virtual memory usage (instance {{ $labels.instance }})
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description: "High memory usage\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
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