Re: pgsql: Consolidate docs for vacuum-related GUCs in new subsection

On 2025-Jan-13, Melanie Plageman wrote:

> I've gone with VACUUM_AUTOVACUUM, VACUUM_COST_DELAY, and
> VACUUM_FREEZING, but I am open to feedback.

Looks good to me.  I checked these two queries, whose results appear
correct:

55432 18devel 560655=# select name, category from pg_settings where category ilike '%vacuum%';
                 name                  │              category               
───────────────────────────────────────┼─────────────────────────────────────
 autovacuum                            │ Vacuuming / Automatic Vacuuming
 autovacuum_analyze_scale_factor       │ Vacuuming / Automatic Vacuuming
 autovacuum_analyze_threshold          │ Vacuuming / Automatic Vacuuming
 autovacuum_freeze_max_age             │ Vacuuming / Automatic Vacuuming
 autovacuum_max_workers                │ Vacuuming / Automatic Vacuuming
 autovacuum_multixact_freeze_max_age   │ Vacuuming / Automatic Vacuuming
 autovacuum_naptime                    │ Vacuuming / Automatic Vacuuming
 autovacuum_vacuum_cost_delay          │ Vacuuming / Automatic Vacuuming
 autovacuum_vacuum_cost_limit          │ Vacuuming / Automatic Vacuuming
 autovacuum_vacuum_insert_scale_factor │ Vacuuming / Automatic Vacuuming
 autovacuum_vacuum_insert_threshold    │ Vacuuming / Automatic Vacuuming
 autovacuum_vacuum_scale_factor        │ Vacuuming / Automatic Vacuuming
 autovacuum_vacuum_threshold           │ Vacuuming / Automatic Vacuuming
 autovacuum_worker_slots               │ Vacuuming / Automatic Vacuuming
 vacuum_cost_delay                     │ Vacuuming / Cost-Based Vacuum Delay
 vacuum_cost_limit                     │ Vacuuming / Cost-Based Vacuum Delay
 vacuum_cost_page_dirty                │ Vacuuming / Cost-Based Vacuum Delay
 vacuum_cost_page_hit                  │ Vacuuming / Cost-Based Vacuum Delay
 vacuum_cost_page_miss                 │ Vacuuming / Cost-Based Vacuum Delay
 vacuum_failsafe_age                   │ Vacuuming / Freezing
 vacuum_freeze_min_age                 │ Vacuuming / Freezing
 vacuum_freeze_table_age               │ Vacuuming / Freezing
 vacuum_multixact_failsafe_age         │ Vacuuming / Freezing
 vacuum_multixact_freeze_min_age       │ Vacuuming / Freezing
 vacuum_multixact_freeze_table_age     │ Vacuuming / Freezing


55432 18devel 560655=# select name, category from pg_settings where (short_desc ilike '%vacuum%' or extra_desc ilike '%vacuum%') and category not ilike '%vacuum%';
            name             │              category               
─────────────────────────────┼─────────────────────────────────────
 autovacuum_work_mem         │ Resource Usage / Memory
 log_autovacuum_min_duration │ Reporting and Logging / What to Log
 maintenance_work_mem        │ Resource Usage / Memory
 vacuum_buffer_usage_limit   │ Resource Usage / Memory


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