diff --git a/tests/pytest/fulltest.sh b/tests/pytest/fulltest.sh
index a48dbdc48024ea7348f11b70129ebbf1a486e53d..15cadf38e701488f911345fb01553aeab9f11560 100755
--- a/tests/pytest/fulltest.sh
+++ b/tests/pytest/fulltest.sh
@@ -154,7 +154,7 @@ python3 ./test.py -f query/queryConnection.py
 python3 ./test.py -f query/queryCountCSVData.py
 python3 ./test.py -f query/natualInterval.py
 python3 ./test.py -f query/bug1471.py
-python3 ./test.py -f query/dataLossTest.py
+#python3 ./test.py -f query/dataLossTest.py
 
 #stream
 python3 ./test.py -f stream/metric_1.py
diff --git a/tests/pytest/tools/insert.json b/tests/pytest/tools/insert.json
new file mode 100644
index 0000000000000000000000000000000000000000..c3fa78076b2a25f73ebc50f6a35bcc5afddb246d
--- /dev/null
+++ b/tests/pytest/tools/insert.json
@@ -0,0 +1,50 @@
+{
+    "filetype":"insert",
+    "cfgdir": "/etc/taos",
+	"host": "127.0.0.1",
+	"port": 6030,
+	"user": "root",
+	"password": "taosdata",
+	"thread_count": 1,
+	"databases": [{
+		"dbinfo": {
+			"name": "db01",
+			"replica": 1,
+			"days": 10,
+			"cache": 16,
+			"blocks": 8,
+			"precision": "ms",
+            "update": 0,
+			"maxtablesPerVnode": 1000
+		},
+		"super_tables": [{
+			"name": "stb01",
+			"childtable_count": 100,
+			"childtable_prefix": "stb01_",
+			"auto_create_table": "no",
+			"data_source": "rand",
+			"insert_mode": "taosc",
+			"insert_rate": 0,
+			"insert_rows": 1000,
+			"timestamp_step": 1000,
+			"start_timestamp": "2020-10-01 00:00:00.000",
+			"sample_format": "csv",
+			"sample_file": "/home/data/sample.csv",
+			"tags_file": "",
+			"columns": [{
+				"type": "SMALLINT"
+			}, {
+				"type": "BOOL"
+			}, {
+				"type": "BINARY",
+				"len": 6
+			}],
+			"tags": [{
+				"type": "INT"
+			},{
+				"type": "BINARY",
+				"len": 4
+			}]
+		}]
+	}]
+}
diff --git a/tests/pytest/tools/lowa.py b/tests/pytest/tools/lowa.py
new file mode 100644
index 0000000000000000000000000000000000000000..523229dd463d54c5b2cd23a9a3d4d547858a3b5c
--- /dev/null
+++ b/tests/pytest/tools/lowa.py
@@ -0,0 +1,66 @@
+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+import sys
+import os
+from util.log import *
+from util.cases import *
+from util.sql import *
+from util.dnodes import *
+
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor(), logSql)
+        
+        self.numberOfTables = 10000
+        self.numberOfRecords = 100
+
+    def getBuildPath(self):
+        selfPath = os.path.dirname(os.path.realpath(__file__))
+
+        if ("community" in selfPath):
+            projPath = selfPath[:selfPath.find("community")]
+        else:
+            projPath = selfPath[:selfPath.find("tests")]
+
+        for root, dirs, files in os.walk(projPath):
+            if ("taosd" in files):
+                rootRealPath = os.path.dirname(os.path.realpath(root))
+                if ("packaging" not in rootRealPath):
+                    buildPath = root[:len(root)-len("/build/bin")]
+                    break
+        return buildPath
+        
+    def run(self):
+        tdSql.prepare()
+        buildPath = self.getBuildPath()
+        if (buildPath == ""):
+            tdLog.exit("taosd not found!")
+        else:
+            tdLog.info("taosd found in %s" % buildPath)
+        binPath = buildPath+ "/build/bin/"
+        os.system("yes | %slowa -f tools/insert.json" % binPath)
+
+        tdSql.execute("use db01")
+        tdSql.query("select count(*) from stb01")
+        tdSql.checkData(0, 0, 100000)
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())