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Add log_min_autovacuum_duration per-table option

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This is useful to control autovacuum log volume, for situations where
monitoring only a set of tables is necessary.

Author: Michael Paquier
Reviewed by: A team led by Naoya Anzai (also including Akira Kurosawa,
Taiki Kondo, Huong Dangminh), Fujii Masao.
This commit is contained in:
Alvaro Herrera
2015-04-03 11:55:50 -03:00
parent a75fb9b335
commit 4ff695b17d
9 changed files with 63 additions and 24 deletions
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7
src/backend/postmaster/autovacuum.c
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@@ -2493,6 +2493,7 @@ table_recheck_autovac(Oid relid, HTAB *table_toast_map,
int multixact_freeze_table_age;
int vac_cost_limit;
int vac_cost_delay;
int log_min_duration;
/*
* Calculate the vacuum cost parameters and the freeze ages. If there
@@ -2515,6 +2516,11 @@ table_recheck_autovac(Oid relid, HTAB *table_toast_map,
? autovacuum_vac_cost_limit
: VacuumCostLimit;
/* -1 in autovac setting means use log_autovacuum_min_duration */
log_min_duration = (avopts && avopts->log_min_duration >= 0)
? avopts->log_min_duration
: Log_autovacuum_min_duration;
/* these do not have autovacuum-specific settings */
freeze_min_age = (avopts && avopts->freeze_min_age >= 0)
? avopts->freeze_min_age
@@ -2545,6 +2551,7 @@ table_recheck_autovac(Oid relid, HTAB *table_toast_map,
tab->at_params.multixact_freeze_min_age = multixact_freeze_min_age;
tab->at_params.multixact_freeze_table_age = multixact_freeze_table_age;
tab->at_params.is_wraparound = wraparound;
tab->at_params.log_min_duration = log_min_duration;
tab->at_vacuum_cost_limit = vac_cost_limit;
tab->at_vacuum_cost_delay = vac_cost_delay;
tab->at_relname = NULL;