diff --git a/src/backend/optimizer/path/costsize.c b/src/backend/optimizer/path/costsize.c
index 05686d0194..efb562c9f7 100644
--- a/src/backend/optimizer/path/costsize.c
+++ b/src/backend/optimizer/path/costsize.c
@@ -123,6 +123,7 @@ double		cpu_index_tuple_cost = DEFAULT_CPU_INDEX_TUPLE_COST;
 double		cpu_operator_cost = DEFAULT_CPU_OPERATOR_COST;
 double		parallel_tuple_cost = DEFAULT_PARALLEL_TUPLE_COST;
 double		parallel_setup_cost = DEFAULT_PARALLEL_SETUP_COST;
+double		resultcache_cost_factor = DEFAULT_RESULTCACHE_COST_FACTOR;
 
 int			effective_cache_size = DEFAULT_EFFECTIVE_CACHE_SIZE;
 
@@ -2541,6 +2542,13 @@ cost_resultcache_rescan(PlannerInfo *root, ResultCachePath *rcpath,
 	 */
 	startup_cost += cpu_tuple_cost;
 
+	/*
+	 * We multiply the costs by resultcache_cost_factor to control the
+	 * aggressiveness of result cache.
+	 */
+	startup_cost *= resultcache_cost_factor;
+	total_cost *= resultcache_cost_factor;
+
 	*rescan_startup_cost = startup_cost;
 	*rescan_total_cost = total_cost;
 }
diff --git a/src/backend/optimizer/util/pathnode.c b/src/backend/optimizer/util/pathnode.c
index b248b038e0..1dfcc820bf 100644
--- a/src/backend/optimizer/util/pathnode.c
+++ b/src/backend/optimizer/util/pathnode.c
@@ -1618,9 +1618,14 @@ create_resultcache_path(PlannerInfo *root, RelOptInfo *rel, Path *subpath,
 	 * Add a small additional charge for caching the first entry.  All the
 	 * harder calculations for rescans are performed in
 	 * cost_resultcache_rescan().
+	 *
+	 * We multiply the costs by resultcache_cost_factor to control the
+	 * aggressiveness of result cache.
 	 */
-	pathnode->path.startup_cost = subpath->startup_cost + cpu_tuple_cost;
-	pathnode->path.total_cost = subpath->total_cost + cpu_tuple_cost;
+	pathnode->path.startup_cost =
+		(subpath->startup_cost + cpu_tuple_cost) * resultcache_cost_factor;
+	pathnode->path.total_cost =
+		(subpath->total_cost + cpu_tuple_cost) * resultcache_cost_factor;
 	pathnode->path.rows = subpath->rows;
 
 	return pathnode;
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index c9c9da85f3..c319551a2d 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -3787,6 +3787,17 @@ static struct config_real ConfigureNamesReal[] =
 		NULL, NULL, NULL
 	},
 
+	{
+		{"resultcache_cost_factor", PGC_SUSET, QUERY_TUNING_COST,
+			gettext_noop("Controls the aggressiveness of result cache."),
+			gettext_noop("This factor will be multiplied by the cost of "
+						 "the Result Cache node.")
+		},
+		&resultcache_cost_factor,
+		DEFAULT_RESULTCACHE_COST_FACTOR, 0.0, DBL_MAX,
+		NULL, NULL, NULL
+	},
+
 	/* End-of-list marker */
 	{
 		{NULL, 0, 0, NULL, NULL}, NULL, 0.0, 0.0, 0.0, NULL, NULL, NULL
diff --git a/src/include/optimizer/cost.h b/src/include/optimizer/cost.h
index 0fe60d82e4..903d1fb607 100644
--- a/src/include/optimizer/cost.h
+++ b/src/include/optimizer/cost.h
@@ -28,6 +28,7 @@
 #define DEFAULT_CPU_OPERATOR_COST  0.0025
 #define DEFAULT_PARALLEL_TUPLE_COST 0.1
 #define DEFAULT_PARALLEL_SETUP_COST  1000.0
+#define DEFAULT_RESULTCACHE_COST_FACTOR 1.0
 
 #define DEFAULT_EFFECTIVE_CACHE_SIZE  524288	/* measured in pages */
 
@@ -47,6 +48,7 @@ typedef enum
 /* parameter variables and flags (see also optimizer.h) */
 extern PGDLLIMPORT Cost disable_cost;
 extern PGDLLIMPORT int max_parallel_workers_per_gather;
+extern PGDLLIMPORT double resultcache_cost_factor;
 extern PGDLLIMPORT bool enable_seqscan;
 extern PGDLLIMPORT bool enable_indexscan;
 extern PGDLLIMPORT bool enable_indexonlyscan;