Add vacuum_defer_cleanup_age to postgresql.conf.sample.

diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample
index b550132..e7c8bcd 100644 (file)
--- a/src/backend/utils/misc/postgresql.conf.sample
+++ b/src/backend/utils/misc/postgresql.conf.sample
@@ -187,6 +187,7 @@
 #recovery_connections = on     # allows connections during recovery
 #max_standby_delay = 30                # max acceptable standby lag (s) to allow queries
                                # to complete without conflict; -1 disables
+#vacuum_defer_cleanup_age = 0 # num transactions by which cleanup is deferred
 
 # - Replication -