diff --git a/wallamanta/worker.py b/wallamanta/worker.py
index b2ab673..92ca4ac 100644
--- a/wallamanta/worker.py
+++ b/wallamanta/worker.py
@@ -4,6 +4,7 @@ import logging
 import helpers
 import walladb
 import constants
+import sys
 
 # Enable logging
 logging.basicConfig(
@@ -134,9 +135,13 @@ class Worker:
                             logging.info("---------- EXCEPTION -----------")
                             logging.info(f"{product['product_name']} worker crashed. {e}")
                             logging.info(f"{product['product_name']}: Trying to parse {article['id']}: {article['title']} .\n")
+            if len(list) > 600:
+                del list[600:]
+            if len(exec_times) > 50:
+                del exec_times[50:]
             time.sleep(constants.SLEEP_TIME)
-            exec_times.append(time.time() - start_time)
-            logging.info(f"\'{product['product_name']}\' for {walladb.get_user(product['telegram_user_id'])} ({product['telegram_user_id']}) node-> last: {exec_times[-1]:.2f} max: {self.get_max_time(exec_times):.2f} avg: {self.get_average_time(exec_times):.2f}")
+            exec_times.insert(0, time.time() - start_time)
+            logging.info(f"\'{product['product_name']}\' for {walladb.get_user(product['telegram_user_id'])} ({product['telegram_user_id']}) node-> last: {exec_times[0]:.2f} max: {self.get_max_time(exec_times):.2f} avg: {self.get_average_time(exec_times):.2f} - Size of articles_list: {round(sys.getsizeof(articles_list)/1024, 2)}Kb. Size of list: {round(sys.getsizeof(list)/1024, 2)}Kb. Size of exec_times: {round(sys.getsizeof(exec_times)/1024, 2)}Kb")
 
     def has_excluded_words(self, title, description, excluded_words):
         if len(excluded_words) > 0: