diff options
Diffstat (limited to 'src/backend/utils/misc/guc.c')
| -rw-r--r-- | src/backend/utils/misc/guc.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c index 2812a73d545..86afde17de5 100644 --- a/src/backend/utils/misc/guc.c +++ b/src/backend/utils/misc/guc.c @@ -1976,6 +1976,26 @@ static struct config_int ConfigureNamesInt[] = }, { + {"vacuum_multixact_freeze_min_age", PGC_USERSET, CLIENT_CONN_STATEMENT, + gettext_noop("Minimum age at which VACUUM should freeze a MultiXactId in a table row."), + NULL + }, + &vacuum_multixact_freeze_min_age, + 5000000, 0, 1000000000, + NULL, NULL, NULL + }, + + { + {"vacuum_multixact_freeze_table_age", PGC_USERSET, CLIENT_CONN_STATEMENT, + gettext_noop("Multixact age at which VACUUM should scan whole table to freeze tuples."), + NULL + }, + &vacuum_multixact_freeze_table_age, + 150000000, 0, 2000000000, + NULL, NULL, NULL + }, + + { {"vacuum_defer_cleanup_age", PGC_SIGHUP, REPLICATION_MASTER, gettext_noop("Number of transactions by which VACUUM and HOT cleanup should be deferred, if any."), NULL @@ -2399,6 +2419,16 @@ static struct config_int ConfigureNamesInt[] = NULL, NULL, NULL }, { + /* see varsup.c for why this is PGC_POSTMASTER not PGC_SIGHUP */ + {"autovacuum_multixact_freeze_max_age", PGC_POSTMASTER, AUTOVACUUM, + gettext_noop("Multixact age at which to autovacuum a table to prevent multixact wraparound."), + NULL + }, + &autovacuum_multixact_freeze_max_age, + 400000000, 10000000, 2000000000, + NULL, NULL, NULL + }, + { /* see max_connections */ {"autovacuum_max_workers", PGC_POSTMASTER, AUTOVACUUM, gettext_noop("Sets the maximum number of simultaneously running autovacuum worker processes."), |