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-rw-r--r--src/backend/utils/misc/postgresql.conf.sample1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample
index b550132d11a..e7c8bcde9aa 100644
--- 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 -