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PostgreSQL now has optimized autovacuum behavior

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Evi Vanoost 2024-03-13 15:53:56 -04:00
parent 7e0d0097ce
commit a68beee3c4
1 changed files with 3 additions and 2 deletions
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5
_data/rules.yml
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@ -645,13 +645,14 @@ groups:
description: Postgresql exporter is showing errors. A query may be buggy in query.yaml description: Postgresql exporter is showing errors. A query may be buggy in query.yaml
query: "pg_exporter_last_scrape_error > 0" query: "pg_exporter_last_scrape_error > 0"
severity: critical severity: critical
# With modern PostgreSQL versions, auto-vacuum doesn't run if it is not required, only after a certain number of tuples have been modified.
- name: Postgresql table not auto vacuumed - name: Postgresql table not auto vacuumed
description: Table {{ $labels.relname }} has not been auto vacuumed for 10 days description: Table {{ $labels.relname }} has not been auto vacuumed for 10 days
query: "(pg_stat_user_tables_last_autovacuum > 0) and (time() - pg_stat_user_tables_last_autovacuum) > 60 * 60 * 24 * 10" query: "((pg_stat_user_tables_n_tup_del + pg_stat_user_tables_n_tup_upd + pg_stat_user_tables_n_tup_hot_upd) > pg_settings_autovacuum_vacuum_threshold) and (time() - pg_stat_user_tables_last_autovacuum) > 864000"
severity: warning severity: warning
- name: Postgresql table not auto analyzed - name: Postgresql table not auto analyzed
description: Table {{ $labels.relname }} has not been auto analyzed for 10 days description: Table {{ $labels.relname }} has not been auto analyzed for 10 days
query: "(pg_stat_user_tables_last_autoanalyze > 0) and (time() - pg_stat_user_tables_last_autoanalyze) > 24 * 60 * 60 * 10" query: "((pg_stat_user_tables_n_tup_del + pg_stat_user_tables_n_tup_upd + pg_stat_user_tables_n_tup_hot_upd) > pg_settings_autovacuum_analyze_threshold) and (time() - pg_stat_user_tables_last_autoanalyze) > 864000"
severity: warning severity: warning
- name: Postgresql too many connections - name: Postgresql too many connections
description: PostgreSQL instance has too many connections (> 80%). description: PostgreSQL instance has too many connections (> 80%).