Hi
Before i use mikrotik 2.9 and dude 3.0 for HotSpot and monitorgn.
Now export Database on Usermaneger and Dude on Mikrotik 4.16 and Dude 4.0 an have same problem, some use all memory.

config.rsc (16.9 KB)
What architecture do you use?
[admin@WiFi] > system resource print
uptime: 1d16h58m53s
version: “4.16”
free-memory: 654392kB
total-memory: 1025596kB
cpu: “Intel(R)”
cpu-count: 2
cpu-frequency: 2610MHz
cpu-load: 8
free-hdd-space: 882856kB
total-hdd-space: 952944kB
write-sect-since-reboot: 464018
write-sect-total: 464018
architecture-name: “x86”
board-name: “x86”
platform: “MikroTik”
Have you tried The Dude 4.2?
Most likely you will need to contact support with backup from The Dude, so we can try to reproduce the problem.
OK
Now send Dude Backup on support[at]mikrotik.com