diff --git a/docker-compose.yml b/docker-compose.yml
index 5268287..aa7c85c 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -62,19 +62,12 @@ services:
       - ./monitoring/grafana-provisioning/dashboards:/etc/grafana/provisioning/dashboards
       - ./monitoring/grafana-provisioning/datasources:/etc/grafana/provisioning/datasources
 
-  node_exporter_1:
+  node_exporter:
     image: prom/node-exporter:latest
     ports:
       - "9100:9100"
     networks:
       - broker
 
-  node_exporter_2:
-    image: prom/node-exporter:latest
-    ports:
-      - "9101:9100"
-    networks:
-      - broker
-
 networks:
   broker:
diff --git a/kafka_server/broker/file/segment.py b/kafka_server/broker/file/segment.py
index 5d798e7..bceff90 100644
--- a/kafka_server/broker/file/segment.py
+++ b/kafka_server/broker/file/segment.py
@@ -41,7 +41,6 @@ def append(self, key: str, value: str):
             return False
         return True
 
-
     def approve_appending(self):
         try:
             with self._append_lock:
diff --git a/monitoring/prometheus.yml b/monitoring/prometheus.yml
index 51f77eb..1c6b475 100644
--- a/monitoring/prometheus.yml
+++ b/monitoring/prometheus.yml
@@ -2,7 +2,7 @@ scrape_configs:
   - job_name: 'node'
     scrape_interval: 5s
     static_configs:
-      - targets: ['node_exporter_1:9100', 'node_exporter_2:9100']
+      - targets: ['node_exporter:9100']
   - job_name: 'broker'
     scrape_interval: 5s
     static_configs: