awesome-prometheus-alerts/dist/rules/mongodb/dcu-mongodb-exporter.yml
Samuel Berthe ccf24bcf03 Publish
2022-06-15 00:08:51 +00:00

95 lines
4 KiB
YAML

groups:
- name: DcuMongodbExporter
rules:
- alert: MongodbReplicationLag
expr: 'avg(mongodb_replset_member_optime_date{state="PRIMARY"}) - avg(mongodb_replset_member_optime_date{state="SECONDARY"}) > 10'
for: 0m
labels:
severity: critical
annotations:
summary: MongoDB replication lag (instance {{ $labels.instance }})
description: "Mongodb replication lag is more than 10s\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: MongodbReplicationStatus3
expr: 'mongodb_replset_member_state == 3'
for: 0m
labels:
severity: critical
annotations:
summary: MongoDB replication Status 3 (instance {{ $labels.instance }})
description: "MongoDB Replication set member either perform startup self-checks, or transition from completing a rollback or resync\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: MongodbReplicationStatus6
expr: 'mongodb_replset_member_state == 6'
for: 0m
labels:
severity: critical
annotations:
summary: MongoDB replication Status 6 (instance {{ $labels.instance }})
description: "MongoDB Replication set member as seen from another member of the set, is not yet known\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: MongodbReplicationStatus8
expr: 'mongodb_replset_member_state == 8'
for: 0m
labels:
severity: critical
annotations:
summary: MongoDB replication Status 8 (instance {{ $labels.instance }})
description: "MongoDB Replication set member as seen from another member of the set, is unreachable\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: MongodbReplicationStatus9
expr: 'mongodb_replset_member_state == 9'
for: 0m
labels:
severity: critical
annotations:
summary: MongoDB replication Status 9 (instance {{ $labels.instance }})
description: "MongoDB Replication set member is actively performing a rollback. Data is not available for reads\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: MongodbReplicationStatus10
expr: 'mongodb_replset_member_state == 10'
for: 0m
labels:
severity: critical
annotations:
summary: MongoDB replication Status 10 (instance {{ $labels.instance }})
description: "MongoDB Replication set member was once in a replica set but was subsequently removed\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: MongodbNumberCursorsOpen
expr: 'mongodb_metrics_cursor_open{state="total_open"} > 10000'
for: 2m
labels:
severity: warning
annotations:
summary: MongoDB number cursors open (instance {{ $labels.instance }})
description: "Too many cursors opened by MongoDB for clients (> 10k)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: MongodbCursorsTimeouts
expr: 'increase(mongodb_metrics_cursor_timed_out_total[1m]) > 100'
for: 2m
labels:
severity: warning
annotations:
summary: MongoDB cursors timeouts (instance {{ $labels.instance }})
description: "Too many cursors are timing out\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: MongodbTooManyConnections
expr: 'avg by(instance) (rate(mongodb_connections{state="current"}[1m])) / avg by(instance) (sum (mongodb_connections) by (instance)) * 100 > 80'
for: 2m
labels:
severity: warning
annotations:
summary: MongoDB too many connections (instance {{ $labels.instance }})
description: "Too many connections (> 80%)\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"
- alert: MongodbVirtualMemoryUsage
expr: '(sum(mongodb_memory{type="virtual"}) BY (instance) / sum(mongodb_memory{type="mapped"}) BY (instance)) > 3'
for: 2m
labels:
severity: warning
annotations:
summary: MongoDB virtual memory usage (instance {{ $labels.instance }})
description: "High memory usage\n VALUE = {{ $value }}\n LABELS = {{ $labels }}"