diff --git a/templates/k6_config.js.j2 b/templates/k6_config.js.j2
index 2142ea9..fbdd8a1 100644
--- a/templates/k6_config.js.j2
+++ b/templates/k6_config.js.j2
@@ -11,7 +11,7 @@ var graph_option = {
   address: "{{ address }}",
   space: "{{ space }}",
   csv_path: "{{ csv_path }}",
-  pool_policy: "session",
+  pool_policy: "connection",
   csv_delimiter: "|",
   csv_with_header: true,
   output: "{{ output_path }}",
diff --git a/templates/k6_config_insert.js.j2 b/templates/k6_config_insert.js.j2
index 3a59165..193b54b 100644
--- a/templates/k6_config_insert.js.j2
+++ b/templates/k6_config_insert.js.j2
@@ -10,7 +10,7 @@ var rowSizeTrend = new Trend('rowSize');
 var graph_option = {
   address: "{{ address }}",
   space: "{{ space }}",
-  pool_policy: "session",
+  pool_policy: "connection",
   csv_path: "{{ csv_path }}",
   csv_delimiter: "|",
   csv_with_header: true,