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doc: adding a comment to PostgresqlReplicationLag alert

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Samuel Berthe 2020-03-07 19:30:58 +01:00
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commit 6ba051d747
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7
_data/rules.yml
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@ -207,10 +207,15 @@ services:
description: PostgreSQL instance is down
query: "pg_up == 0"
severity: error
- name: Replication lag
- name: Postgresql replication lag
description: PostgreSQL replication lag is going up (> 10s)
query: "pg_replication_lag > 10"
severity: warning
comments: |
A label excluding master nodes should be added to this query,
in order to monitor lag on standby servers only.
Exporter does not guarantee a NaN value for pg_replication_log on promoted master nodes.
See https://github.com/samber/awesome-prometheus-alerts/issues/74
- name: Table not vaccumed
description: Table has not been vaccum for 24 hours
query: "time() - pg_stat_user_tables_last_autovacuum > 60 * 60 * 24"