diff --git a/src/backend/commands/vacuumlazy.c b/src/backend/commands/vacuumlazy.c
index 45b1859..72e7e77 100644
--- a/src/backend/commands/vacuumlazy.c
+++ b/src/backend/commands/vacuumlazy.c
@@ -61,6 +61,7 @@
 #include "utils/pg_rusage.h"
 #include "utils/timestamp.h"
 #include "utils/tqual.h"
+#include "utils/guc.h"

 /*
@@ -167,7 +168,8 @@ static bool lazy_tid_reaped(ItemPointer itemptr, void *state);
 static int	vac_cmp_itemptr(const void *left, const void *right);
 static bool heap_page_is_all_visible(Relation rel, Buffer buf,
 						 TransactionId *visibility_cutoff_xid, bool *all_frozen);
-
+/* GUC variables */
+bool		autovacuum_truncate_wait_standby;

 /*
  *	lazy_vacuum_rel() -- perform LAZY VACUUM for one heap relation
@@ -280,7 +282,12 @@ lazy_vacuum_rel(Relation onerel, int options, VacuumParams *params,
 	 * Optionally truncate the relation.
 	 */
 	if (should_attempt_truncation(vacrelstats))
-		lazy_truncate_heap(onerel, vacrelstats);
+	{
+		if (!autovacuum_truncate_wait_standby)
+			lazy_truncate_heap(onerel, vacrelstats);
+		else if (TransactionIdFollowsOrEquals(OldestXmin, ShmemVariableCache->latestCompletedXid))
+			lazy_truncate_heap(onerel, vacrelstats);
+	}

 	/* Report that we are now doing final cleanup */
 	pgstat_progress_update_param(PROGRESS_VACUUM_PHASE,
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index 246fea8..52c63c8 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -1582,6 +1582,16 @@ static struct config_bool ConfigureNamesBool[] =
 	},

 	{
+		{"autovacuum_truncate_wait_standby", PGC_SIGHUP, REPLICATION_MASTER,
+			gettext_noop("Make autovacuum truncate to wait till all hot_standby finish there transactions"),
+			NULL
+		},
+		&autovacuum_truncate_wait_standby,
+		false,
+		NULL, NULL, NULL
+	},
+
+	{
 		{"allow_system_table_mods", PGC_POSTMASTER, DEVELOPER_OPTIONS,
 			gettext_noop("Allows modifications of the structure of system tables."),
 			NULL,
diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample
index df5d2f3..5bdc045 100644
--- a/src/backend/utils/misc/postgresql.conf.sample
+++ b/src/backend/utils/misc/postgresql.conf.sample
@@ -531,6 +531,8 @@
 #autovacuum_vacuum_cost_limit = -1	# default vacuum cost limit for
 					# autovacuum, -1 means use
 					# vacuum_cost_limit
+#autovacuum_truncate_wait_standby = off # Make autovacuum truncate to wait till all
+					# hot_standby finish there transactions

 #------------------------------------------------------------------------------
diff --git a/src/include/commands/vacuum.h b/src/include/commands/vacuum.h
index a903511..87d4d86 100644
--- a/src/include/commands/vacuum.h
+++ b/src/include/commands/vacuum.h
@@ -190,6 +190,8 @@ extern void vacuum_delay_point(void);
 /* in commands/vacuumlazy.c */
 extern void lazy_vacuum_rel(Relation onerel, int options,
 				VacuumParams *params, BufferAccessStrategy bstrategy);
+	/* user-settable parameters */
+extern bool autovacuum_truncate_wait_standby;

 /* in commands/analyze.c */
 extern void analyze_rel(Oid relid, RangeVar *relation, int options,