1. 亚特兰蒂斯/武汉电信均发现php-fpm日志报错：
[25-Apr-2017 11:52:24] WARNING: [pool www] server reached pm.max_children setting (5), consider raising it
[02-Aug-2017 15:10:27] WARNING: [pool www] server reached pm.max_children setting (5), consider raising it
[12-Dec-2017 14:36:20] WARNING: [pool www] server reached pm.max_children setting (5), consider raising it
[15-Dec-2017 15:53:33] WARNING: [pool www] server reached pm.max_children setting (5), consider raising it
[28-Dec-2017 16:44:27] WARNING: [pool www] server reached pm.max_children setting (5), consider raising it
2. mariadb-master节点，出现event_schedule执行冲突：
2017-12-26 0:00:00 139739043523328 [ERROR] Event Scheduler: [root@%][sdb30.process_room_cleanstatus_at0] Result consisted of more than one row
2017-12-26 0:00:00 139739043523328 [Note] Event Scheduler: [root@%].[sdb30.process_room_cleanstatus_at0] event execution failed.
2017-12-26 0:00:00 139739043523328 [Note] Event Scheduler: [root@%].[sdb30.process_room_cleanstatus_at0] event execution failed.