perf: debug pub sub

apps/common/utils/connection.py

@@ -47,6 +47,7 @@ class Subscription:
         self.ch = pb.ch
         self.sub = sub
         self.unsubscribed = False
+        logger.info("Subscribed to channel: ", sub)
 
     def _handle_msg(self, _next, error, complete):
         """
@@ -105,10 +106,11 @@ class Subscription:
 
     def unsubscribe(self):
         self.unsubscribed = True
+        logger.info("Unsubscribed from channel: ", self.sub)
         try:
             self.sub.close()
         except Exception as e:
-            logger.debug('Unsubscribe msg error: {}'.format(e))
+            logger.warning('Unsubscribe msg error: {}'.format(e))
 
     def retry(self, _next, error, complete):
         logger.info('Retry subscribe channel: {}'.format(self.ch))