diff --git a/tests/performance/compact_part_subcolumns.xml b/tests/performance/compact_part_subcolumns.xml
new file mode 100644
index 00000000000..234b33ab8a7
--- /dev/null
+++ b/tests/performance/compact_part_subcolumns.xml
@@ -0,0 +1,13 @@
+<test>
+    <settings>
+        <allow_experimental_json_type>1</allow_experimental_json_type>
+    </settings>
+
+    <!-- Looks like the only way to use json in test's queries is to put them to substitution.
+         Otherwise jsons are interpreted as substitutions themselves -->
+
+    <create_query>CREATE TABLE t_json (data JSON) ENGINE = MergeTree ORDER BY tuple() SETTINGS min_rows_for_wide_part=1000000000, min_bytes_for_wide_part=100000000000</create_query>
+    <fill_query>INSERT INTO t_json SELECT toJSONString(map(number % 10, repeat('a', number % 100))) FROM numbers(10000000)</fill_query>
+    <query>SELECT data.k0, data.k1, data.k2, data.k3, data.k4, data.k5, data.k6, data.k7, data.k8, data.k9 FROM t_json FORMAT Null</query>
+    <drop_query>DROP TABLE IF EXISTS t_json</drop_query>
+</test>