diff --git a/send_data.py b/send_data.py
index 2c6d61f..106e89d 100644
--- a/send_data.py
+++ b/send_data.py
@@ -65,6 +65,8 @@ def put_mapping(index_name, mapping_file, quiet=False):
         if not quiet:
             print("File '{} sended to Elasticsearch!".format(mapping_file.name))
 
+    put_setting(index_name, quiet)
+
 def check_all_data_is_saved(file):
     time.sleep(2)
     with open(file.name, 'r') as file:
@@ -73,17 +75,34 @@ def check_all_data_is_saved(file):
         extract = json.loads(lines[1])
         type = extract['type']
 
-    payload = "{\"track_total_hits\": true,\"query\": {\"constant_score\": {\"filter\": {\"term\": {\"type\": \""+ type + "\"}}}}}"
+    payload = {"track_total_hits": "true", "query": {"constant_score": {"filter": {"term": {"type": type}}}}}
 
     res = requests.get(url=ELASTICSEARCH_URL + INDEX_NAME + '/_search?size=0',
-                        data=payload,
-                        headers={'Content-Type': 'application/x-ndjson'})
+                       data=json.dumps(payload),
+                       headers={'Content-Type': 'application/x-ndjson'})
 
     element_in_els = res.json()['hits']['total']['value']
 
     print(element_in_els)
     print(str(int(file_nb_line)))
 
+def put_setting(index_name, quiet=False):
+    """
+        Update setting of index to set number of replica to 0
+    """
+    if not quiet:
+        print("Update setting of index '{}' - set replica to 0...".format(index_name))
+
+    query = {"index" : {"number_of_replicas" : 0}}
+    res = requests.put(url=ELASTICSEARCH_URL + index_name + "/_settings",
+                       data=json.dumps(query),
+                       headers={'Content-Type': 'application/json'})
+    if res.status_code != 200:
+        print("An error occured")
+        print(res.text)
+    else:
+        if not quiet:
+            print('Setting of index updated')
 
 #### main block ####