diff --git a/datanode/src/datanode_server.py b/datanode/src/datanode_server.py
index 70305e2..8149610 100644
--- a/datanode/src/datanode_server.py
+++ b/datanode/src/datanode_server.py
@@ -14,6 +14,7 @@
 import os
 import time
 
+
 # disk_total_size = Gauge('disk_total_size', 'Total size of disk', labelnames=["provider"], _labelvalues=[ConfigManager.get_prop('datanode_name')])
 # disk_used_size = Gauge('disk_used_size', 'Used size of disk', labelnames=["provider"], _labelvalues=[ConfigManager.get_prop('datanode_name')])
 # message_count = Gauge('message_count', 'Number of messages in datanode', labelnames=["provider"], _labelvalues=[ConfigManager.get_prop('datanode_name')])
@@ -59,25 +60,35 @@
 
 
 class DataNode(datanode_pb2_grpc.DataNodeServicer):
-    def __init__(self, partition_count=1, home_path='datanode/server/'):
+    def __init__(
+            self,
+            disk_total_size,
+            disk_used_size,
+            push_latency,
+            pull_latency,
+            ack_latency,
+            push_throughput,
+            pull_throughput,
+            ack_throughput,
+            partition_count=1,
+            home_path='datanode/server/',
+    ):
         self.home_path = home_path
         self.partition_count = partition_count
         self.shared_partition = SharedPartitions(partition_count, home_path=home_path + '/main/')
         self.replica = SharedPartitions(partition_count, home_path=home_path + '/replica/')
-        
-        # Start metrics server
-        start_http_server(9000)
-        self.disk_total_size = Gauge('disk_total_size', 'Total size of disk', labelnames=["provider"], _labelvalues=[ConfigManager.get_prop('datanode_name')])
-        self.disk_used_size = Gauge('disk_used_size', 'Used size of disk', labelnames=["provider"], _labelvalues=[ConfigManager.get_prop('datanode_name')])
-        self.push_latency = Histogram('push_latency', 'Push requests latency', labelnames=["provider"], _labelvalues=[ConfigManager.get_prop('datanode_name')])
-        self.pull_latency = Histogram('pull_latency', 'Pull requests latency', labelnames=["provider"], _labelvalues=[ConfigManager.get_prop('datanode_name')])
-        self.ack_latency = Histogram('ack_latency', 'Ack requests latency', labelnames=["provider"], _labelvalues=[ConfigManager.get_prop('datanode_name')])
-        self.push_throughput = Histogram('push_throughput', 'Push throughput', labelnames=["provider"], _labelvalues=[ConfigManager.get_prop('datanode_name')])
-        self.pull_throughput = Histogram('pull_throughput', 'Pull throughput', labelnames=["provider"], _labelvalues=[ConfigManager.get_prop('datanode_name')])
-        self.ack_throughput = Histogram('ack_throughput', 'Ack throughput', labelnames=["provider"], _labelvalues=[ConfigManager.get_prop('datanode_name')])
-
-
-    # @inc_message_count
+
+        self.disk_total_size = disk_total_size
+        self.disk_used_size = disk_used_size
+        self.push_latency = push_latency
+        self.pull_latency = pull_latency
+        self.ack_latency = ack_latency
+        self.push_throughput = push_throughput
+        self.pull_throughput = pull_throughput
+        self.ack_throughput = ack_throughput
+
+        # @inc_message_count
+
     def Push(self, request, context):
         self.push_throughput.observe(1)
         start_time = time.time()
@@ -88,6 +99,9 @@ def Push(self, request, context):
             self.shared_partition.push(request.message)
         end_time = time.time()
         self.push_latency.observe(end_time - start_time)
+        from prometheus.registry import REGISTRY
+        logger.info("TEST prom registry")
+        logger.info(list(REGISTRY.collect()))
         return empty_pb2.Empty()
 
     def Pull(self, request, context):
@@ -176,7 +190,7 @@ def GetRemainingMessagesCount(self, request, context):
             return res
         except grpc.RpcError as e:
             logger.exception(f"Error in getting remaining messages count: {e}")
-    
+
     def submit_disk_metrics(self):
         path = ConfigManager.get_prop('partition_home_path')
         st = os.statvfs(path)
@@ -194,7 +208,23 @@ def push_to_partition(partition_index: int,
 
 def serve():
     # Start metrics server
-    # start_http_server(9000)
+    start_http_server(9000)
+    disk_total_size = Gauge('disk_total_size', 'Total size of disk', labelnames=["provider"],
+                            _labelvalues=[ConfigManager.get_prop('datanode_name')])
+    disk_used_size = Gauge('disk_used_size', 'Used size of disk', labelnames=["provider"],
+                           _labelvalues=[ConfigManager.get_prop('datanode_name')])
+    push_latency = Histogram('push_latency', 'Push requests latency', labelnames=["provider"],
+                             _labelvalues=[ConfigManager.get_prop('datanode_name')])
+    pull_latency = Histogram('pull_latency', 'Pull requests latency', labelnames=["provider"],
+                             _labelvalues=[ConfigManager.get_prop('datanode_name')])
+    ack_latency = Histogram('ack_latency', 'Ack requests latency', labelnames=["provider"],
+                            _labelvalues=[ConfigManager.get_prop('datanode_name')])
+    push_throughput = Histogram('push_throughput', 'Push throughput', labelnames=["provider"],
+                                _labelvalues=[ConfigManager.get_prop('datanode_name')])
+    pull_throughput = Histogram('pull_throughput', 'Pull throughput', labelnames=["provider"],
+                                _labelvalues=[ConfigManager.get_prop('datanode_name')])
+    ack_throughput = Histogram('ack_throughput', 'Ack throughput', labelnames=["provider"],
+                               _labelvalues=[ConfigManager.get_prop('datanode_name')])
 
     port = ConfigManager.get_prop('server_port')
     partitions_count = int(ConfigManager.get_prop('partition_count'))
@@ -206,7 +236,21 @@ def serve():
     datanode_name = ConfigManager.get_prop('datanode_name')
 
     server = grpc.server(futures.ThreadPoolExecutor(max_workers=50))
-    datanode_pb2_grpc.add_DataNodeServicer_to_server(DataNode(partitions_count, home_path), server)
+
+    datanode = DataNode(
+        disk_total_size,
+        disk_used_size,
+        push_latency,
+        pull_latency,
+        ack_latency,
+        push_throughput,
+        pull_throughput,
+        ack_throughput,
+        partitions_count,
+        home_path,
+    )
+
+    datanode_pb2_grpc.add_DataNodeServicer_to_server(datanode, server)
 
     server.add_insecure_port('[::]:' + port)
     server.start()