2024-10-16 23:48:40 +00:00
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---
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# yaml-language-server: $schema=https://kubernetes-schemas.pages.dev/monitoring.coreos.com/prometheusrule_v1.json
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apiVersion: monitoring.coreos.com/v1
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kind: PrometheusRule
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metadata:
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name: cloudnative-pg-rules
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2024-10-16 23:52:14 +00:00
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namespace: database
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2024-10-16 23:48:40 +00:00
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spec:
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groups:
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- name: cloudnative-pg.rules
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rules:
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- alert: LongRunningTransaction
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annotations:
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description: Pod {{ $labels.pod }} is taking more than 5 minutes (300 seconds) for a query.
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summary: A query is taking longer than 5 minutes.
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expr: |-
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cnpg_backends_max_tx_duration_seconds > 300
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for: 1m
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labels:
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severity: warning
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- alert: BackendsWaiting
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annotations:
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description: Pod {{ $labels.pod }} has been waiting for longer than 5 minutes
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summary: If a backend is waiting for longer than 5 minutes
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expr: |-
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cnpg_backends_waiting_total > 300
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for: 1m
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labels:
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severity: warning
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- alert: PGDatabase
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annotations:
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description: Over 300,000,000 transactions from frozen xid on pod {{ $labels.pod }}
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summary: Number of transactions from the frozen XID to the current one
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expr: |-
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cnpg_pg_database_xid_age > 300000000
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for: 1m
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labels:
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severity: warning
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- alert: PGReplication
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annotations:
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description: Standby is lagging behind by over 300 seconds (5 minutes)
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summary: The standby is lagging behind the primary
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expr: |-
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cnpg_pg_replication_lag > 300
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for: 1m
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labels:
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severity: warning
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- alert: LastFailedArchiveTime
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annotations:
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description: Archiving failed for {{ $labels.pod }}
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summary: Checks the last time archiving failed. Will be < 0 when it has not failed.
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expr: |-
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(cnpg_pg_stat_archiver_last_failed_time - cnpg_pg_stat_archiver_last_archived_time) > 1
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for: 1m
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labels:
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severity: warning
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- alert: DatabaseDeadlockConflicts
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annotations:
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description: There are over 10 deadlock conflicts in {{ $labels.pod }}
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summary: Checks the number of database conflicts
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expr: |-
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cnpg_pg_stat_database_deadlocks > 10
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for: 1m
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labels:
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severity: warning
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- alert: ReplicaFailingReplication
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annotations:
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description: Replica {{ $labels.pod }} is failing to replicate
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summary: Checks if the replica is failing to replicate
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expr: |-
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cnpg_pg_replication_in_recovery > cnpg_pg_replication_is_wal_receiver_up
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for: 1m
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labels:
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severity: warning
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