This started recently, and it happens around 03:30, and it occurs 9 times.
- https://www.techopedia.com/definition/23919/events-per-second-eps : EPS is a computing metric and means “Events per Second“
- https://forum.synology.com/enu/viewtopic.php?t=80315 – this article helped me understanding the issue
DSM: Log Center > Notifications > Notification rules > No. of logs per second exceeds …
DSM: Control Panel > File Services > SMB/AFP/NFS > * > Enable transfer log