diff --git a/big5/operations/default.json b/big5/operations/default.json
index e791ce0e..6053acd8 100755
--- a/big5/operations/default.json
+++ b/big5/operations/default.json
@@ -847,6 +847,36 @@
         }
       }
     },
+    {
+      "name": "cardinality-agg-low",
+      "operation-type": "search",
+      "index": "{{index_name | default('big5')}}",
+      "body": {
+        "size": 0,
+        "aggs": {
+          "region": {
+            "cardinality": {
+              "field": "cloud.region"
+            }
+          }
+        }
+      }
+    },
+    {
+      "name": "cardinality-agg-high",
+      "operation-type": "search",
+      "index": "{{index_name | default('big5')}}",
+      "body": {
+        "size": 0,
+        "aggs": {
+          "agent": {
+            "cardinality": {
+              "field": "agent.name"
+            }
+          }
+        }
+      }
+    },
     {
       "name": "query-string-on-message",
       "operation-type": "search",
diff --git a/big5/test_procedures/common/big5-schedule.json b/big5/test_procedures/common/big5-schedule.json
index 7f563404..1f5bcf6a 100644
--- a/big5/test_procedures/common/big5-schedule.json
+++ b/big5/test_procedures/common/big5-schedule.json
@@ -329,4 +329,18 @@
   "iterations": {{ test_iterations | default(100) | tojson }},
   "target-throughput": {{ target_throughput | default(2) | tojson }},
   "clients": {{ search_clients | default(1) }}
+},
+{
+  "operation": "cardinality-agg-low",
+  "warmup-iterations": {{ warmup_iterations | default(200) | tojson }},
+  "iterations": {{ test_iterations | default(100) | tojson }},
+  "target-throughput": {{ target_throughput | default(2) | tojson }},
+  "clients": {{ search_clients | default(1) }}
+},
+{
+  "operation": "cardinality-agg-high",
+  "warmup-iterations": {{ warmup_iterations | default(200) | tojson }},
+  "iterations": {{ test_iterations | default(100) | tojson }},
+  "target-throughput": {{ target_throughput | default(2) | tojson }},
+  "clients": {{ search_clients | default(1) }}
 }