diff --git a/drivers/elastic4.py b/drivers/elastic4.py
index bb0b703..9e74c9d 100644
--- a/drivers/elastic4.py
+++ b/drivers/elastic4.py
@@ -6,7 +6,7 @@ import json
 
 INDEX = "threads" 
 
-class Elastic_4_Shards_Testing(DB_Testing):
+class Elastic_2_Shards_Testing(DB_Testing):
     driver_name = "ES (4-Shards)"
     def __init__(self) -> None:
         super().__init__()
@@ -31,7 +31,7 @@ class Elastic_4_Shards_Testing(DB_Testing):
             'settings': {
                 'index': {
                     'number_of_replicas': 0,
-                    'number_of_shards': 4
+                    'number_of_shards': 2
                 }
             }
         })
diff --git a/main.py b/main.py
index 4c4bc59..f048065 100644
--- a/main.py
+++ b/main.py
@@ -2,7 +2,7 @@ from elasticsearch import Elasticsearch
 from psycopg2 import connect
 from drivers.psql import PSQL_Testing
 from drivers.elastic import Elastic_Testing
-from drivers.elastic4 import Elastic_4_Shards_Testing
+from drivers.elastic4 import Elastic_2_Shards_Testing
 from sshtunnel import SSHTunnelForwarder
 from utils.utils import preprocess_json
 from typing_extensions import Dict
@@ -23,22 +23,22 @@ def test_psql():
 
 def test_elasticsearch():
     es = Elasticsearch(
-        'http://elastic-tma.docker.tma.coe.int:80',
-        api_key='VGxhTnhJOEJGM3NDbkpWLVBzUkg6eHE4c3FuclhTWW1sRm9YN0FkWmRMdw==',
+        'https://127.0.0.1:9200',
+        api_key='RVAzeHpvOEJXTnUzZ2RiTkdWX2Q6TksySHBfaEFSWktoQmNPOFFSbm1DUQ==',
         verify_certs=False, # just to not create certificates
         ssl_show_warn=False
     )
     return Elastic_Testing().do_tests(es)
 
 
-def test_elasticsearch_4_shards():
+def test_elasticsearch_2_shards():
     es = Elasticsearch(
-        'http://elastic-tma.docker.tma.coe.int:80',
-        api_key='VGxhTnhJOEJGM3NDbkpWLVBzUkg6eHE4c3FuclhTWW1sRm9YN0FkWmRMdw==',
+        'https://127.0.0.1:9200',
+        api_key='RVAzeHpvOEJXTnUzZ2RiTkdWX2Q6TksySHBfaEFSWktoQmNPOFFSbm1DUQ==',
         verify_certs=False, # just to not create certificates
         ssl_show_warn=False
     )
-    return Elastic_4_Shards_Testing().do_tests(es)
+    return Elastic_2_Shards_Testing().do_tests(es)
 
 
 def plot(timings: Dict[str, Dict[str, float]]):
@@ -77,7 +77,7 @@ def plot(timings: Dict[str, Dict[str, float]]):
             plt.text(j + (i * bar_width), v + 0.02, str(round(v, 2)), fontsize=8, ha='center', va='bottom')
 
     fig.tight_layout()
-    plt.savefig("plot-tma-opti.png")
+    plt.savefig("plot-orodruin-opti.png")
     plt.show()
 
 
@@ -91,7 +91,7 @@ if __name__ == "__main__":
     
     timings['PSQL'] = test_psql()
     timings['ES'] = test_elasticsearch()
-    timings['ES4shards'] = test_elasticsearch_4_shards()
+    timings['ES2shards'] = test_elasticsearch_2_shards()
     
 
     plot(timings)
diff --git a/plot-orodruin-opti.png b/plot-orodruin-opti.png
new file mode 100644
index 0000000..6742eb1
Binary files /dev/null and b/plot-orodruin-opti.png differ