Hello Ronald
Thanks for your answer, I have 2 worker RO and 1 worker RW, but they are IDLE most of the time, but in the server log I see the following and I don't know why:
WARNING [0,18238(18238)] 08 Aug 2020 01:10:51 GMT Connection (user 0) timed out
WARNING [0,18241(18241)] 08 Aug 2020 01:12:37 GMT Connection (user 0) timed out
WARNING [0,18269(18269)] 08 Aug 2020 01:39:17 GMT Connection (user 0) timed out
WARNING [0,18418(18418)] 08 Aug 2020 04:08:35 GMT Connection (user 0) timed out
WARNING [0,19062(19062)] 08 Aug 2020 14:42:54 GMT Connection (user 0) timed out
WARNING [0,19066(19066)] 08 Aug 2020 14:45:44 GMT Connection (user 0) timed out
WARNING [0,19289(19289)] 08 Aug 2020 18:25:51 GMT Connection (user 0) timed out
WARNING [0,19683(19683)] 09 Aug 2020 00:55:12 GMT Connection (user 0) timed out
WARNING [0,19810(19810)] 09 Aug 2020 02:59:42 GMT Connection (user 0) timed out
WARNING [0,20460(20460)] 09 Aug 2020 13:43:23 GMT Connection (user 0) timed out
WARNING [0,20497(20497)] 09 Aug 2020 14:22:47 GMT Connection (user 0) timed out
WARNING [0,20510(20510)] 09 Aug 2020 14:29:06 GMT Connection (user 0) timed out
WARNING [0,20532(20532)] 09 Aug 2020 14:51:57 GMT Connection (user 0) timed out
WARNING [0,20550(20550)] 09 Aug 2020 15:07:08 GMT Connection (user 0) timed out
WARNING [0,20553(20553)] 09 Aug 2020 15:09:03 GMT Connection (user 0) timed out
WARNING [0,20575(20575)] 09 Aug 2020 15:29:33 GMT Connection (user 0) timed out
WARNING [0,20580(20580)] 09 Aug 2020 15:33:46 GMT Connection (user 0) timed out
WARNING [0,20641(20641)] 09 Aug 2020 16:32:38 GMT Connection (user 0) timed out
WARNING [Listener] 09 Aug 2020 22:04:30 GMT Out of user connects, waiting 1 second
WARNING [Listener] 09 Aug 2020 22:04:31 GMT Out of user connects, waiting 1 second
WARNING [Listener] 09 Aug 2020 22:04:32 GMT Out of user connects, waiting 1 second
WARNING [Listener] 09 Aug 2020 22:04:33 GMT Out of user connects, waiting 1 second
WARNING [Listener] 09 Aug 2020 22:04:34 GMT Out of user connects, waiting 1 second
WARNING [Listener] 09 Aug 2020 22:04:35 GMT Out of user connects, waiting 1 second
WARNING [Listener] 09 Aug 2020 22:04:36 GMT Out of user connects, waiting 1 second
WARNING [Listener] 09 Aug 2020 22:04:37 GMT Out of user connects, waiting 1 second
WARNING [Listener] 09 Aug 2020 22:04:38 GMT Out of user connects, waiting 1 second
WARNING [Listener] 09 Aug 2020 22:04:39 GMT Out of user connects, waiting 1 second
WARNING [Listener] 09 Aug 2020 22:04:40 GMT Out of user connects, waiting 1 second
Pablo Maldonado