I talk about my experience.
User Manager on x86 machine (ROS 6.10)
4523 Users [No HotSpot, only for PPPoE authentication, currently 4128 active] on a x86 machine
ros code
/system resource> print
uptime: 7w1d4h37m29s
version: 6.10
build-time: Feb/12/2014 13:46:18
free-memory: 1727.0MiB
total-memory: 1894.1MiB
cpu: Intel(R)
cpu-count: 2
cpu-frequency: 1866MHz
cpu-load: 3%
free-hdd-space: 73.2GiB
total-hdd-space: 73.3GiB
write-sect-since-reboot: 104671894
write-sect-total: 104671894
architecture-name: x86
board-name: x86
platform: MikroTik
ros code
/tool user-manager database> pri
size: 21755 kB
in-use: 100 %
log-size: 245 kB
log-in-use: 100 %
last-rebuild: mar/12/2014 09:57:42
last-clear: oct/29/2013 11:34:45
last-save: mar/12/2014 09:59:32
last-load: oct/29/2013 18:55:16
Periodically I delete old logs from radius and old sessions
[old = 1 month ago]
Impressive Figures for USERMAN.
What kind of network is this? a cable.network ? school or what?