mirror of
https://github.com/prometheus-community/postgres_exporter
synced 2025-04-09 02:31:33 +00:00
Merge pull request #631 from paulfantom/jsonnetify
postgres_mixin: jsonnetify mixin
This commit is contained in:
Joe Adams
GitHub
commit
92bdb8755d
1
postgres_mixin/alerts/alerts.libsonnet
Normal file
1
postgres_mixin/alerts/alerts.libsonnet
Normal file
@ -0,0 +1 @@
|
||||
(import 'postgres.libsonnet')
|
||||
@ -1,57 +0,0 @@
|
||||
---
|
||||
groups:
|
||||
- name: PostgreSQL
|
||||
rules:
|
||||
- alert: PostgreSQLMaxConnectionsReached
|
||||
expr: sum(pg_stat_activity_count) by (instance) >= sum(pg_settings_max_connections) by (instance) - sum(pg_settings_superuser_reserved_connections) by (instance)
|
||||
for: 1m
|
||||
labels:
|
||||
severity: email
|
||||
annotations:
|
||||
summary: "{{ $labels.instance }} has maxed out Postgres connections."
|
||||
description: "{{ $labels.instance }} is exceeding the currently configured maximum Postgres connection limit (current value: {{ $value }}s). Services may be degraded - please take immediate action (you probably need to increase max_connections in the Docker image and re-deploy."
|
||||
|
||||
- alert: PostgreSQLHighConnections
|
||||
expr: sum(pg_stat_activity_count) by (instance) > (sum(pg_settings_max_connections) by (instance) - sum(pg_settings_superuser_reserved_connections) by (instance)) * 0.8
|
||||
for: 10m
|
||||
labels:
|
||||
severity: email
|
||||
annotations:
|
||||
summary: "{{ $labels.instance }} is over 80% of max Postgres connections."
|
||||
description: "{{ $labels.instance }} is exceeding 80% of the currently configured maximum Postgres connection limit (current value: {{ $value }}s). Please check utilization graphs and confirm if this is normal service growth, abuse or an otherwise temporary condition or if new resources need to be provisioned (or the limits increased, which is mostly likely)."
|
||||
|
||||
- alert: PostgreSQLDown
|
||||
expr: pg_up != 1
|
||||
for: 1m
|
||||
labels:
|
||||
severity: email
|
||||
annotations:
|
||||
summary: "PostgreSQL is not processing queries: {{ $labels.instance }}"
|
||||
description: "{{ $labels.instance }} is rejecting query requests from the exporter, and thus probably not allowing DNS requests to work either. User services should not be effected provided at least 1 node is still alive."
|
||||
|
||||
- alert: PostgreSQLSlowQueries
|
||||
expr: avg(rate(pg_stat_activity_max_tx_duration{datname!~"template.*"}[2m])) by (datname) > 2 * 60
|
||||
for: 2m
|
||||
labels:
|
||||
severity: email
|
||||
annotations:
|
||||
summary: "PostgreSQL high number of slow on {{ $labels.cluster }} for database {{ $labels.datname }} "
|
||||
description: "PostgreSQL high number of slow queries {{ $labels.cluster }} for database {{ $labels.datname }} with a value of {{ $value }} "
|
||||
|
||||
- alert: PostgreSQLQPS
|
||||
expr: avg(irate(pg_stat_database_xact_commit{datname!~"template.*"}[5m]) + irate(pg_stat_database_xact_rollback{datname!~"template.*"}[5m])) by (datname) > 10000
|
||||
for: 5m
|
||||
labels:
|
||||
severity: email
|
||||
annotations:
|
||||
summary: "PostgreSQL high number of queries per second {{ $labels.cluster }} for database {{ $labels.datname }}"
|
||||
description: "PostgreSQL high number of queries per second on {{ $labels.cluster }} for database {{ $labels.datname }} with a value of {{ $value }}"
|
||||
|
||||
- alert: PostgreSQLCacheHitRatio
|
||||
expr: avg(rate(pg_stat_database_blks_hit{datname!~"template.*"}[5m]) / (rate(pg_stat_database_blks_hit{datname!~"template.*"}[5m]) + rate(pg_stat_database_blks_read{datname!~"template.*"}[5m]))) by (datname) < 0.98
|
||||
for: 5m
|
||||
labels:
|
||||
severity: email
|
||||
annotations:
|
||||
summary: "PostgreSQL low cache hit rate on {{ $labels.cluster }} for database {{ $labels.datname }}"
|
||||
description: "PostgreSQL low on cache hit rate on {{ $labels.cluster }} for database {{ $labels.datname }} with a value of {{ $value }}"
|
||||
127
postgres_mixin/alerts/postgres.libsonnet
Normal file
127
postgres_mixin/alerts/postgres.libsonnet
Normal file
@ -0,0 +1,127 @@
|
||||
{
|
||||
prometheusAlerts+:: {
|
||||
groups+: [
|
||||
{
|
||||
name: 'PostgreSQL',
|
||||
rules: [
|
||||
{
|
||||
alert: 'PostgreSQLMaxConnectionsReached',
|
||||
annotations: {
|
||||
description: '{{ $labels.instance }} is exceeding the currently configured maximum Postgres connection limit (current value: {{ $value }}s). Services may be degraded - please take immediate action (you probably need to increase max_connections in the Docker image and re-deploy.',
|
||||
summary: '{{ $labels.instance }} has maxed out Postgres connections.',
|
||||
},
|
||||
expr: |||
|
||||
sum by (instance) (pg_stat_activity_count{%(postgresExporterSelector)s})
|
||||
>=
|
||||
sum by (instance) (pg_settings_max_connections{%(postgresExporterSelector)s})
|
||||
-
|
||||
sum by (instance) (pg_settings_superuser_reserved_connections{%(postgresExporterSelector)s})
|
||||
||| % $._config,
|
||||
'for': '1m',
|
||||
labels: {
|
||||
severity: 'warning',
|
||||
},
|
||||
},
|
||||
{
|
||||
alert: 'PostgreSQLHighConnections',
|
||||
annotations: {
|
||||
description: '{{ $labels.instance }} is exceeding 80% of the currently configured maximum Postgres connection limit (current value: {{ $value }}s). Please check utilization graphs and confirm if this is normal service growth, abuse or an otherwise temporary condition or if new resources need to be provisioned (or the limits increased, which is mostly likely).',
|
||||
summary: '{{ $labels.instance }} is over 80% of max Postgres connections.',
|
||||
},
|
||||
expr: |||
|
||||
sum by (instance) (pg_stat_activity_count{%(postgresExporterSelector)s})
|
||||
>
|
||||
(
|
||||
sum by (instance) (pg_settings_max_connections{%(postgresExporterSelector)s})
|
||||
-
|
||||
sum by (instance) (pg_settings_superuser_reserved_connections{%(postgresExporterSelector)s})
|
||||
) * 0.8
|
||||
||| % $._config,
|
||||
'for': '10m',
|
||||
labels: {
|
||||
severity: 'warning',
|
||||
},
|
||||
},
|
||||
{
|
||||
alert: 'PostgreSQLDown',
|
||||
annotations: {
|
||||
description: '{{ $labels.instance }} is rejecting query requests from the exporter, and thus probably not allowing DNS requests to work either. User services should not be effected provided at least 1 node is still alive.',
|
||||
summary: 'PostgreSQL is not processing queries: {{ $labels.instance }}',
|
||||
},
|
||||
expr: 'pg_up{%(postgresExporterSelector)s} != 1' % $._config,
|
||||
'for': '1m',
|
||||
labels: {
|
||||
severity: 'warning',
|
||||
},
|
||||
},
|
||||
{
|
||||
alert: 'PostgreSQLSlowQueries',
|
||||
annotations: {
|
||||
description: 'PostgreSQL high number of slow queries {{ $labels.cluster }} for database {{ $labels.datname }} with a value of {{ $value }} ',
|
||||
summary: 'PostgreSQL high number of slow on {{ $labels.cluster }} for database {{ $labels.datname }} ',
|
||||
},
|
||||
expr: |||
|
||||
avg(
|
||||
rate by (datname) (
|
||||
pg_stat_activity_max_tx_duration{datname!~"template.*",%(postgresExporterSelector)s}[2m]
|
||||
)
|
||||
) > 2 * 60
|
||||
||| % $._config,
|
||||
'for': '2m',
|
||||
labels: {
|
||||
severity: 'warning',
|
||||
},
|
||||
},
|
||||
{
|
||||
alert: 'PostgreSQLQPS',
|
||||
annotations: {
|
||||
description: 'PostgreSQL high number of queries per second on {{ $labels.cluster }} for database {{ $labels.datname }} with a value of {{ $value }}',
|
||||
summary: 'PostgreSQL high number of queries per second {{ $labels.cluster }} for database {{ $labels.datname }}',
|
||||
},
|
||||
expr: |||
|
||||
avg by (datname) (
|
||||
irate(
|
||||
pg_stat_database_xact_commit{datname!~"template.*",%(postgresExporterSelector)s}[5m]
|
||||
)
|
||||
+
|
||||
irate(
|
||||
pg_stat_database_xact_rollback{datname!~"template.*",%(postgresExporterSelector)s}[5m]
|
||||
)
|
||||
) > 10000
|
||||
||| % $._config,
|
||||
'for': '5m',
|
||||
labels: {
|
||||
severity: 'warning',
|
||||
},
|
||||
},
|
||||
{
|
||||
alert: 'PostgreSQLCacheHitRatio',
|
||||
annotations: {
|
||||
description: 'PostgreSQL low on cache hit rate on {{ $labels.cluster }} for database {{ $labels.datname }} with a value of {{ $value }}',
|
||||
summary: 'PostgreSQL low cache hit rate on {{ $labels.cluster }} for database {{ $labels.datname }}',
|
||||
},
|
||||
expr: |||
|
||||
avg by (datname) (
|
||||
rate(pg_stat_database_blks_hit{datname!~"template.*",%(postgresExporterSelector)s}[5m])
|
||||
/
|
||||
(
|
||||
rate(
|
||||
pg_stat_database_blks_hit{datname!~"template.*",%(postgresExporterSelector)s}[5m]
|
||||
)
|
||||
+
|
||||
rate(
|
||||
pg_stat_database_blks_read{datname!~"template.*",%(postgresExporterSelector)s}[5m]
|
||||
)
|
||||
)
|
||||
) < 0.98
|
||||
||| % $._config,
|
||||
'for': '5m',
|
||||
labels: {
|
||||
severity: 'warning',
|
||||
},
|
||||
},
|
||||
],
|
||||
},
|
||||
],
|
||||
},
|
||||
}
|
||||
5
postgres_mixin/config.libsonnet
Normal file
5
postgres_mixin/config.libsonnet
Normal file
@ -0,0 +1,5 @@
|
||||
{
|
||||
_config+:: {
|
||||
postgresExporterSelector: '',
|
||||
},
|
||||
}
|
||||
5
postgres_mixin/dashboards/dashboards.libsonnet
Normal file
5
postgres_mixin/dashboards/dashboards.libsonnet
Normal file
@ -0,0 +1,5 @@
|
||||
{
|
||||
grafanaDashboards+:: {
|
||||
'postgres-overview.json': (import 'postgres-overview.json'),
|
||||
},
|
||||
}
|
||||
@ -1,13 +1,3 @@
|
||||
{
|
||||
grafanaDashboards: {
|
||||
'postgres-overview.json': (import 'dashboards/postgres-overview.json'),
|
||||
},
|
||||
|
||||
// Helper function to ensure that we don't override other rules, by forcing
|
||||
// the patching of the groups list, and not the overall rules object.
|
||||
local importRules(rules) = {
|
||||
groups+: std.native('parseYaml')(rules)[0].groups,
|
||||
},
|
||||
|
||||
prometheusAlerts+: importRules(importstr 'alerts/alerts.yaml'),
|
||||
}
|
||||
(import 'alerts/alerts.libsonnet') +
|
||||
(import 'dashboards/dashboards.libsonnet') +
|
||||
(import 'config.libsonnet')
|
||||
|
||||
Loading…
Reference in New Issue
Block a user