Tune the mqtt.client|session.enable_stats off

etc/emq.conf

@@ -114,7 +114,7 @@ mqtt.max_packet_size = 64KB
 mqtt.client.idle_timeout = 30s
 
 ## Enable client Stats: on | off
-mqtt.client.enable_stats = on
+mqtt.client.enable_stats = off
 
 ##--------------------------------------------------------------------
 ## MQTT Session
@@ -137,7 +137,7 @@ mqtt.session.max_awaiting_rel = 100
 mqtt.session.await_rel_timeout = 20s
 
 ## Enable Statistics: on | off
-mqtt.session.enable_stats = on
+mqtt.session.enable_stats = off
 
 ## Expired after 1 day:
 ## w - week